675078 – kernel 4.19.8: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6803:21

Bug 675078 - kernel 4.19.8: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6803:21

Summary: kernel 4.19.8: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:68...

Status:	RESOLVED UPSTREAM

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	AMD64 Linux

Importance:	Normal normal
Assignee:	Gentoo Kernel Bug Wranglers and Kernel Maintainers

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2019-01-10 11:03 UTC by segmentation fault
Modified:	2019-06-11 11:46 UTC (History)
CC List:	0 users

See Also:
Package list:
Runtime testing required:	---

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Description segmentation fault 2019-01-10 11:03:31 UTC

kernel: Generic PHY r8169-400:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=r8169-400:00, irq=IGNORE)
 ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6803:21
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x899/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

This may be related to #675076.

System info:

Portage 2.3.51 (python 3.6.5-final-0, hardened/linux/amd64, gcc-7.3.0, glibc-2.27-r6, 4.19.8-gentoo x86_64)
=================================================================
System uname: Linux-4.19.8-gentoo-x86_64-Intel-R-_Core-TM-_i7-6700HQ_CPU_@_2.60GHz-with-gentoo-2.6
KiB Mem:    40976340 total,  16220132 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Thu, 13 Dec 2018 12:15:01 +0000
Head commit of repository gentoo: 057645ffcdb86bd24e7c965f6e1aa03db33abb4c
sh bash 4.4_p12
ld GNU ld (Gentoo 2.30 p5) 2.30.0
app-shells/bash:          4.4_p12::gentoo
dev-java/java-config:     2.2.0-r4::gentoo
dev-lang/perl:            5.26.2::gentoo
dev-lang/python:          2.7.15::gentoo, 3.4.8::gentoo, 3.5.5::gentoo, 3.6.5::gentoo
dev-util/cmake:           3.12.3::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.6-r1::gentoo
sys-apps/openrc:          0.38.3-r1::gentoo
sys-apps/sandbox:         2.13::gentoo
sys-devel/autoconf:       2.13::gentoo, 2.69-r4::gentoo
sys-devel/automake:       1.11.6-r3::gentoo, 1.12.6::gentoo, 1.13.4-r2::gentoo, 1.14.1::gentoo, 1.15.1-r2::gentoo
sys-devel/binutils:       2.30-r4::gentoo
sys-devel/gcc:            7.3.0-r3::gentoo
sys-devel/gcc-config:     1.8-r1::gentoo
sys-devel/libtool:        2.4.6-r3::gentoo
sys-devel/make:           4.2.1-r4::gentoo
sys-kernel/linux-headers: 4.13::gentoo (virtual/os-headers)
sys-libs/glibc:           2.27-r6::gentoo

Comment 1 segmentation fault 2019-01-10 11:06:32 UTC

Maybe related to https://bugs.gentoo.org/675076 as they happened immediately one-after-another.

Comment 2 segmentation fault 2019-01-10 11:21:11 UTC

kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6804:19
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x7da/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6809:21
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x798/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6810:19
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x756/0x960 [r8169]
kernel: r8169 0000:04:00.0 enp4s0: Link is Down
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

Comment 3 segmentation fault 2019-01-10 11:22:44 UTC

kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6813:20
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x714/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6814:20
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x943/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6815:26
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x54f/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6816:19
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x50d/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

Comment 4 segmentation fault 2019-01-10 11:23:29 UTC

kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6817:23
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x4cb/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6818:24
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x489/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6819:26
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x5cb/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

Comment 5 segmentation fault 2019-01-10 11:24:13 UTC

kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6820:19
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x589/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6833:19
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x6c3/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================
kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6835:20
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x679/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

Comment 6 segmentation fault 2019-01-10 11:24:43 UTC

kernel: ================================================================================
kernel: UBSAN: Undefined behaviour in drivers/net/ethernet/realtek/r8169.c:6837:27
kernel: member access within misaligned address 00000000592e1bd8 for type 'struct rtnl_link_stats64'
kernel: which requires 8 byte alignment
kernel: CPU: 6 PID: 9054 Comm: ip Tainted: P           O    T 4.19.8-gentoo #1
kernel: Hardware name: ASUSTeK COMPUTER INC. G752VY/G752VY, BIOS G752VY.304 06/29/2017
kernel: Call Trace:
kernel: dump_stack+0xa1/0x11b
kernel: ubsan_epilogue+0x9/0x40
kernel: ubsan_type_mismatch_common+0x17b/0x190
kernel: __ubsan_handle_type_mismatch+0x43/0x60
kernel: rtl8169_get_stats64+0x56c/0x960 [r8169]
kernel: dev_get_stats+0x189/0x280
kernel: rtnl_fill_stats+0x3f/0x860
kernel: rtnl_fill_ifinfo+0x8d6/0x2880
kernel: ? __kmalloc_track_caller+0x236/0x5d0
kernel: ? __alloc_skb+0x8a/0x230
kernel: ? __kmalloc_reserve.isra.16+0x24/0x70
kernel: rtmsg_ifinfo_build_skb+0xa8/0x170
kernel: rtmsg_ifinfo_event.part.14+0x16/0x90
kernel: rtmsg_ifinfo+0x34/0x60
kernel: __dev_notify_flags+0x129/0x1c0
kernel: ? dev_change_flags+0x6b/0xe0
kernel: dev_change_flags+0x6b/0xe0
kernel: do_setlink+0x41e/0x2430
kernel: ? nla_parse+0x4f/0x2b0
kernel: rtnl_newlink+0x6b8/0x10b0
kernel: ? get_page_from_freelist+0x1899/0x3690
kernel: ? get_page_from_freelist+0x1809/0x3690
kernel: ? mem_cgroup_commit_charge+0xba/0xeb0
kernel: ? mem_cgroup_try_charge+0xfb/0x500
kernel: ? page_add_new_anon_rmap+0xb6/0x190
kernel: ? _raw_spin_unlock+0x5/0x10
kernel: ? do_anonymous_page+0x3a7/0x630
kernel: ? rtnl_link_unregister+0x170/0x170
kernel: rtnetlink_rcv_msg+0x445/0x780
kernel: ? rtnl_calcit+0x230/0x230
kernel: netlink_rcv_skb+0x9b/0x2e0
kernel: netlink_unicast+0x25d/0x440
kernel: netlink_sendmsg+0x3f1/0x8a0
kernel: ? copy_msghdr_from_user+0xdb/0x140
kernel: ___sys_sendmsg+0x360/0x710
kernel: ? __dentry_kill+0x2d1/0x610
kernel: ? __sys_sendmsg+0x76/0xe0
kernel: __sys_sendmsg+0x76/0xe0
kernel: do_syscall_64+0x85/0x280
kernel: entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: RIP: 0033:0x7f0d138cfa48
kernel: Code: 40 00 48 83 ec 38 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 48 8d 05 dd 1d 2c 00 8b 00 85 c0 75 27 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 48 8b 4c 24 28 64 48 33 0c 25 28 00 00 00
kernel: RSP: 002b:00007ffc9e64dbf0 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d138cfa48
kernel: RDX: 0000000000000000 RSI: 00007ffc9e64dc90 RDI: 0000000000000003
kernel: RBP: 0000000000000001 R08: 0000000000000010 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c34cb98
kernel: R13: 00007ffc9e64e480 R14: 00005590f3377020 R15: 0000000000000000
kernel: ================================================================================

Comment 7 Mike Pagano gentoo-dev

2019-06-11 11:46:49 UTC

Detection of undefined behavior via the UndefinedBehaviorSanitizer can be reported upstream at https://bugzilla.kernel.org