Strace log of alsactl getting killed

alsactl_strace.txt (text/plain), 6.23 KB, created by John on 2013-05-01 15:42:43 UTC

execve("/usr/sbin/alsactl", ["alsactl", "restore"], [/* 19 vars */]) = 0
brk(0)                                  = 0x27c7671040
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a8a8000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=230853, ...}) = 0
mmap(NULL, 230853, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2f04a86f000
close(3)                                = 0
open("/usr/lib64/libasound.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\10\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1050832, ...}) = 0
mmap(NULL, 3146352, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f04a388000
mprotect(0x2f04a481000, 2093056, PROT_NONE) = 0
mmap(0x2f04a680000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf8000) = 0x2f04a680000
close(3)                                = 0
open("/lib64/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220i\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1005600, ...}) = 0
mmap(NULL, 3100776, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f04a092000
mprotect(0x2f04a187000, 2093056, PROT_NONE) = 0
mmap(0x2f04a386000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf4000) = 0x2f04a386000
close(3)                                = 0
open("/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20}\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=100680, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a86e000
mmap(NULL, 2212208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f049e75000
mprotect(0x2f049e8d000, 2093056, PROT_NONE) = 0
mmap(0x2f04a08c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x2f04a08c000
mmap(0x2f04a08e000, 12656, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f04a08e000
close(3)                                = 0
open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240L\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1732760, ...}) = 0
mmap(NULL, 3845880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f049aca000
mprotect(0x2f049c6b000, 2097152, PROT_NONE) = 0
mmap(0x2f049e6b000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a1000) = 0x2f049e6b000
mmap(0x2f049e71000, 16120, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f049e71000
close(3)                                = 0
open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\20\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=14360, ...}) = 0
mmap(NULL, 2109592, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f0498c6000
mprotect(0x2f0498c9000, 2093056, PROT_NONE) = 0
mmap(0x2f049ac8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x2f049ac8000
close(3)                                = 0
open("/lib64/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260(\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=31120, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a86d000
mmap(NULL, 2128408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2f0496be000
mprotect(0x2f0496c5000, 2093056, PROT_NONE) = 0
mmap(0x2f0498c4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x2f0498c4000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a86c000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a86b000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2f04a86a000
arch_prctl(ARCH_SET_FS, 0x2f04a86b700)  = 0
mprotect(0x2f049e6b000, 16384, PROT_READ) = 0
mprotect(0x2f04a08c000, 4096, PROT_READ) = 0
mprotect(0x2f0498c4000, 4096, PROT_READ) = 0
mprotect(0x2f049ac8000, 4096, PROT_READ) = 0
mprotect(0x2f04a386000, 4096, PROT_READ) = 0
mprotect(0x2f04a680000, 32768, PROT_READ) = 0
mprotect(0x27c4454000, 4096, PROT_READ) = 0
mprotect(0x2f04a8aa000, 4096, PROT_READ) = 0
munmap(0x2f04a86f000, 230853)           = 0
set_tid_address(0x2f04a86b9d0)          = 13159
set_robust_list(0x2f04a86b9e0, 24)      = 0
futex(0x3d1707eabc8, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x3d1707eabc8, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 2f04a86b700) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x2f049e7c7a0, [], SA_RESTORER|SA_SIGINFO, 0x2f049e85b00}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x2f049e7c820, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x2f049e85b00}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(0)                                  = 0x27c7671040
brk(0x27c7692040)                       = 0x27c7692040
brk(0x27c7693000)                       = 0x27c7693000
brk(0x27c7692000)                       = 0x27c7692000
socket(PF_FILE, SOCK_DGRAM, 0)          = 3
connect(3, {sa_family=AF_FILE, sun_path="/dev/log"}, 110) = -1 EPROTOTYPE (Protocol wrong type for socket)
close(3)                                = 0
socket(PF_FILE, SOCK_STREAM, 0)         = 3
connect(3, {sa_family=AF_FILE, sun_path="/dev/log"}, 110) = 0
write(2, "*** buffer overflow detected ***"..., 55*** buffer overflow detected ***: alsactl - terminated
) = 55
write(3, "*** buffer overflow detected ***"..., 55) = 55
write(2, "alsactl: buffer overflow attack "..., 67alsactl: buffer overflow attack in function <unknown> - terminated
) = 67
write(3, "alsactl: buffer overflow attack "..., 67) = 67
write(2, "Report to http://bugs.gentoo.org"..., 35Report to http://bugs.gentoo.org/
) = 35
write(3, "Report to http://bugs.gentoo.org"..., 35) = 35
close(3)                                = 0
getpid()                                = 13159
kill(13159, SIGKILL <unfinished ...>
+++ killed by SIGKILL +++