[....] Starting enhanced syslogd: rsyslogd[ 10.095770] audit: type=1400 audit(1514038834.921:5): avc: denied { syslog } for pid=2993 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.446358] audit: type=1400 audit(1514038837.272:6): avc: denied { map } for pid=3130 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-1,10.128.15.215' (ECDSA) to the list of known hosts. executing program executing program [ 38.179702] audit: type=1400 audit(1514038863.005:7): avc: denied { map } for pid=3149 comm="syzkaller461551" path="/root/syzkaller461551391" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program [ 38.234740] audit: type=1400 audit(1514038863.060:8): avc: denied { prog_load } for pid=3165 comm="syzkaller461551" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program [ 38.294999] audit: type=1400 audit(1514038863.090:9): avc: denied { prog_run } for pid=3163 comm="syzkaller461551" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program [ 38.362375] WARNING: CPU: 1 PID: 3179 at ./include/net/sock.h:1510 strp_data_ready+0x2b7/0x390 [ 38.371137] Kernel panic - not syncing: panic_on_warn set ... [ 38.371137] [ 38.378465] CPU: 1 PID: 3179 Comm: syzkaller461551 Not tainted 4.15.0-rc4-mm1+ #49 [ 38.386136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.395455] Call Trace: [ 38.398012] dump_stack+0x194/0x257 [ 38.401607] ? arch_local_irq_restore+0x53/0x53 [ 38.406245] ? vsnprintf+0x1ed/0x1900 [ 38.410017] panic+0x1e4/0x41c [ 38.413177] ? refcount_error_report+0x214/0x214 [ 38.417899] ? show_regs_print_info+0x18/0x18 [ 38.422375] ? __warn+0x1c1/0x200 [ 38.425798] ? strp_data_ready+0x2b7/0x390 [ 38.429997] __warn+0x1dc/0x200 [ 38.433244] ? strp_data_ready+0x2b7/0x390 [ 38.437446] report_bug+0x211/0x2d0 [ 38.441045] fixup_bug.part.11+0x37/0x80 [ 38.445073] do_error_trap+0x2d7/0x3e0 [ 38.448929] ? math_error+0x400/0x400 [ 38.452696] ? check_noncircular+0x20/0x20 [ 38.456909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.461722] do_invalid_op+0x1b/0x20 [ 38.465401] invalid_op+0x22/0x40 [ 38.468819] RIP: 0010:strp_data_ready+0x2b7/0x390 [ 38.473632] RSP: 0018:ffff8801c9a37800 EFLAGS: 00010293 [ 38.478965] RAX: ffff8801c9962180 RBX: ffff8801c820f0c8 RCX: ffffffff84bbe257 [ 38.486203] RDX: 0000000000000000 RSI: ffff8801ca79e7a0 RDI: ffffffff866e5920 [ 38.493439] RBP: ffff8801c9a37820 R08: 1ffff10039346e45 R09: 1ffffffff0e2c3c6 [ 38.500677] R10: ffff8801c9a376e8 R11: ffffed0039346e30 R12: ffff8801ca79e700 [ 38.507914] R13: ffff8801c820f0d0 R14: ffff8801c9a37988 R15: ffff8801ca79e700 [ 38.515160] ? strp_data_ready+0x2b7/0x390 [ 38.519370] psock_data_ready+0x56/0x70 [ 38.523313] unix_dgram_sendmsg+0xa72/0x1600 [ 38.527701] ? unix_shutdown+0x870/0x870 [ 38.531746] ? security_socket_sendmsg+0x89/0xb0 [ 38.536466] ? unix_shutdown+0x870/0x870 [ 38.540494] sock_sendmsg+0xca/0x110 [ 38.544175] sock_write_iter+0x31a/0x5d0 [ 38.548208] ? sock_sendmsg+0x110/0x110 [ 38.552156] ? bpf_fd_pass+0x280/0x280 [ 38.556010] ? __might_sleep+0x2c/0x190 [ 38.559954] do_iter_readv_writev+0x525/0x7f0 [ 38.564422] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 38.569151] ? rw_verify_area+0xe5/0x2b0 [ 38.573181] do_iter_write+0x154/0x540 [ 38.577038] ? dup_iter+0x260/0x260 [ 38.580638] vfs_writev+0x18a/0x340 [ 38.584231] ? __fget_light+0x297/0x380 [ 38.588181] ? vfs_iter_write+0xb0/0xb0 [ 38.592125] ? up_read+0x1a/0x40 [ 38.595461] ? __do_page_fault+0x3d6/0xc90 [ 38.599669] ? mm_fault_error+0x2c0/0x2c0 [ 38.603791] ? __fdget_pos+0x130/0x190 [ 38.607642] ? __fdget_raw+0x20/0x20 [ 38.611319] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.615780] ? __do_page_fault+0xc90/0xc90 [ 38.619984] do_writev+0xfc/0x2a0 [ 38.623404] ? do_writev+0xfc/0x2a0 [ 38.626999] ? vfs_writev+0x340/0x340 [ 38.630766] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 38.635576] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.640563] SyS_writev+0x27/0x30 [ 38.643984] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 38.648705] RIP: 0033:0x445ec9 [ 38.651860] RSP: 002b:00007f95b7564db8 EFLAGS: 00000297 ORIG_RAX: 0000000000000014 [ 38.659537] RAX: ffffffffffffffda RBX: 00000000006dbc54 RCX: 0000000000445ec9 [ 38.666776] RDX: 0000000000000001 RSI: 0000000020d33000 RDI: 0000000000000014 [ 38.674013] RBP: 00000000006dbc50 R08: 0000000000000000 R09: 0000000000000000 [ 38.681249] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000 [ 38.688486] R13: 00007ffd519a4ccf R14: 00007f95b75659c0 R15: 0000000000000006 [ 38.695862] Dumping ftrace buffer: [ 38.699516] (ftrace buffer empty) [ 38.703200] Kernel Offset: disabled [ 38.706797] Rebooting in 86400 seconds..