* Re: Bug#859120: ausearch -i segfault [not found] <CAJ2a_Dc6nVRvcwgOe8j50vC=XxWjptPyNdH8noVZkU5hY0_wvg@mail.gmail.com> @ 2017-03-30 16:27 ` Laurent Bigonville 2017-03-30 17:16 ` Steve Grubb 0 siblings, 1 reply; 2+ messages in thread From: Laurent Bigonville @ 2017-03-30 16:27 UTC (permalink / raw) To: linux-audit; +Cc: 859120-forwarded, cgzones Le 30/03/17 à 15:56, cgzones a écrit : Hi, I just received the following bug in debian: > ausearch segfaults on the following input in interpret mode: > > /sbin/ausearch -i --input file > > type=AVC msg=audit(1490829425.686:121): avc: denied { bind } for > pid=1034 comm="darkstat" scontext=system_u:system_r:darkstat_t:s0 > tcontext=system_u:system_r:darkstat_t:s0 tclass=packet_socket > permissive=0 > type=SYSCALL msg=audit(1490829425.686:121): arch=c000003e syscall=49 > success=no exit=-13 a0=3 a1=7ffce52e04b0 a2=14 a3=373 items=0 > ppid=1033 pid=1034 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 > egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="darkstat" > exe="/usr/sbin/darkstat" subj=system_u:system_r:darkstat_t:s0 > key=(null) > type=SOCKADDR msg=audit(1490829425.686:121): > saddr=1100000302000000000000000000000000000000 > type=PROCTITLE msg=audit(1490829425.686:121): > proctitle=2F7573722F7362696E2F6461726B73746174002D6900656E70307333002D2D6368726F6F74002F7661722F6C69622F6461726B73746174002D2D70696466696C65002F7661722F72756E2F6461726B737461742E706964002D2D696D706F7274006461726B737461742E6462002D2D6578706F7274006461726B737461742E64 The user is running version 2.6.7 (the version that will be shipped in the upcoming stable release). I can actually reproduce the issue with the following one line: type=SOCKADDR msg=audit(1490829425.686:121): saddr=1100000302000000000000000000000000000000 I got the following stacktrace: #0 strlen () at ../sysdeps/x86_64/strlen.S:106 #1 0x00007ffff79a04da in auparse_do_interpretation (type=type@entry=9, id=id@entry=0x7fffffffde00) at ../../../auparse/interpret.c:2917 #2 0x000055555555d3f1 in interpret (rtype=1306, comma=0, val=0x555555771a93 "1100000302", '0' <repeats 30 times>, name=<optimized out>) at ../../../src/ausearch-report.c:359 #3 output_interpreted_node (n=0x555555771bd0, e=e@entry=0x555555771ae8) at ../../../src/ausearch-report.c:296 #4 0x000055555555d9e3 in output_interpreted (l=0x555555771ad0) at ../../../src/ausearch-report.c:151 #5 output_record (l=0x555555771ad0) at ../../../src/ausearch-report.c:80 #6 0x0000555555557cac in process_log_fd () at ../../../src/ausearch.c:445 #7 0x000055555555782b in main (argc=4, argv=0x7fffffffe098) at ../../../src/ausearch.c:140 -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Bug#859120: ausearch -i segfault 2017-03-30 16:27 ` Bug#859120: ausearch -i segfault Laurent Bigonville @ 2017-03-30 17:16 ` Steve Grubb 0 siblings, 0 replies; 2+ messages in thread From: Steve Grubb @ 2017-03-30 17:16 UTC (permalink / raw) To: linux-audit; +Cc: 859120-forwarded, cgzones Hello, On Thursday, March 30, 2017 12:27:29 PM EDT Laurent Bigonville wrote: > Le 30/03/17 à 15:56, cgzones a écrit : > I just received the following bug in debian: > > ausearch segfaults on the following input in interpret mode: > > > > /sbin/ausearch -i --input file > > > > type=AVC msg=audit(1490829425.686:121): avc: denied { bind } for > > pid=1034 comm="darkstat" scontext=system_u:system_r:darkstat_t:s0 > > tcontext=system_u:system_r:darkstat_t:s0 tclass=packet_socket > > permissive=0 > > type=SYSCALL msg=audit(1490829425.686:121): arch=c000003e syscall=49 > > success=no exit=-13 a0=3 a1=7ffce52e04b0 a2=14 a3=373 items=0 > > ppid=1033 pid=1034 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 > > egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="darkstat" > > exe="/usr/sbin/darkstat" subj=system_u:system_r:darkstat_t:s0 > > key=(null) > > type=SOCKADDR msg=audit(1490829425.686:121): > > saddr=1100000302000000000000000000000000000000 > > type=PROCTITLE msg=audit(1490829425.686:121): > > proctitle=2F7573722F7362696E2F6461726B73746174002D6900656E70307333002D2D63 > > 68726F6F74002F7661722F6C69622F6461726B73746174002D2D70696466696C65002F7661 > > 722F72756E2F6461726B737461742E706964002D2D696D706F7274006461726B737461742E > > 6462002D2D6578706F7274006461726B737461742E64 > The user is running version 2.6.7 (the version that will be shipped in > the upcoming stable release). I just committed the fix for this. You can find it is here: https://github.com/linux-audit/audit-userspace/commit/f85cb62f10644e347c16541c8aa988219a3b3501 Thanks for reporting it. -Steve > I can actually reproduce the issue with the following one line: > > type=SOCKADDR msg=audit(1490829425.686:121): > saddr=1100000302000000000000000000000000000000 > > I got the following stacktrace: > > #0 strlen () at ../sysdeps/x86_64/strlen.S:106 > #1 0x00007ffff79a04da in auparse_do_interpretation (type=type@entry=9, > id=id@entry=0x7fffffffde00) at ../../../auparse/interpret.c:2917 > #2 0x000055555555d3f1 in interpret (rtype=1306, comma=0, > val=0x555555771a93 "1100000302", '0' <repeats 30 times>, name=<optimized > out>) at ../../../src/ausearch-report.c:359 > #3 output_interpreted_node (n=0x555555771bd0, e=e@entry=0x555555771ae8) > at ../../../src/ausearch-report.c:296 > #4 0x000055555555d9e3 in output_interpreted (l=0x555555771ad0) at > ../../../src/ausearch-report.c:151 > #5 output_record (l=0x555555771ad0) at ../../../src/ausearch-report.c:80 > #6 0x0000555555557cac in process_log_fd () at ../../../src/ausearch.c:445 > #7 0x000055555555782b in main (argc=4, argv=0x7fffffffe098) at > ../../../src/ausearch.c:140 > > -- > Linux-audit mailing list > Linux-audit@redhat.com > https://www.redhat.com/mailman/listinfo/linux-audit ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <CAJ2a_Dc6nVRvcwgOe8j50vC=XxWjptPyNdH8noVZkU5hY0_wvg@mail.gmail.com>
2017-03-30 16:27 ` Bug#859120: ausearch -i segfault Laurent Bigonville
2017-03-30 17:16 ` Steve Grubb
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