[....] Starting enhanced syslogd: rsyslogd[ 12.576636] audit: type=1400 audit(1516883173.531:5): avc: denied { syslog } for pid=3498 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: [ 17.835079] audit: type=1400 audit(1516883178.789:6): avc: denied { map } for pid=3640 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 '10.128.0.30' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 38.916041] audit: type=1400 audit(1516883199.870:7): avc: denied { map } for pid=3657 comm="syzkaller705493" path="/root/syzkaller705493006" 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 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 39.139572] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program [ 39.512377] audit: type=1400 audit(1516883200.467:8): avc: denied { prog_load } for pid=3658 comm="syzkaller705493" 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 [ 39.537147] audit: type=1400 audit(1516883200.491:9): avc: denied { prog_run } for pid=3658 comm="syzkaller705493" 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 [ 39.561035] WARNING: CPU: 0 PID: 3786 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 [ 39.569427] Kernel panic - not syncing: panic_on_warn set ... [ 39.569427] [ 39.576762] CPU: 0 PID: 3786 Comm: syzkaller705493 Not tainted 4.15.0-rc9+ #208 [ 39.584187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.592824] syzkaller705493 (3785) used greatest stack depth: 16248 bytes left [ 39.600849] Call Trace: [ 39.603425] dump_stack+0x194/0x257 [ 39.607037] ? arch_local_irq_restore+0x53/0x53 [ 39.611685] ? vsnprintf+0x1ed/0x1900 [ 39.615465] panic+0x1e4/0x41c [ 39.618644] ? refcount_error_report+0x214/0x214 [ 39.623374] ? show_regs_print_info+0x18/0x18 [ 39.627850] ? __warn+0x1c1/0x200 [ 39.631289] ? strp_done+0xb7/0xe0 [ 39.634813] __warn+0x1dc/0x200 [ 39.638067] ? strp_done+0xb7/0xe0 [ 39.641583] report_bug+0x211/0x2d0 [ 39.645189] fixup_bug.part.11+0x37/0x80 [ 39.649228] do_error_trap+0x2d7/0x3e0 [ 39.653097] ? lockdep_init_map+0x9/0x10 [ 39.657136] ? math_error+0x400/0x400 [ 39.660912] ? find_held_lock+0x35/0x1d0 [ 39.664956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.669778] do_invalid_op+0x1b/0x20 [ 39.673479] invalid_op+0x22/0x40 [ 39.676904] RIP: 0010:strp_done+0xb7/0xe0 [ 39.681021] RSP: 0018:ffff8801bc39f8c0 EFLAGS: 00010293 [ 39.686365] RAX: ffff8801d66ae240 RBX: ffff8801d6c81c08 RCX: ffffffff8501ca77 [ 39.693610] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d6c81c10 [ 39.700855] RBP: ffff8801bc39f8d8 R08: 0000000000000001 R09: 0000000000000000 [ 39.708114] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801bb4c2ac0 [ 39.715359] R13: ffffc90000002000 R14: ffff8801bee0a040 R15: ffff8801bc39fad8 [ 39.722613] ? strp_done+0xb7/0xe0 [ 39.726138] kcm_ioctl+0x139a/0x17f0 [ 39.729829] ? __handle_mm_fault+0x2747/0x3ce0 [ 39.734397] ? kcm_unattach+0x1510/0x1510 [ 39.738536] ? find_held_lock+0x35/0x1d0 [ 39.742584] ? avc_has_extended_perms+0x6e5/0x12c0 [ 39.747491] ? lock_downgrade+0x980/0x980 [ 39.751623] ? check_noncircular+0x20/0x20 [ 39.755836] ? lock_release+0xa40/0xa40 [ 39.759782] ? __handle_mm_fault+0x80e/0x3ce0 [ 39.764255] ? __pmd_alloc+0x4e0/0x4e0 [ 39.768130] sock_do_ioctl+0xef/0x390 [ 39.771928] ? compat_ifr_data_ioctl+0x170/0x170 [ 39.776659] ? avc_ss_reset+0x110/0x110 [ 39.780619] ? lock_downgrade+0x980/0x980 [ 39.784745] ? lock_release+0xa40/0xa40 [ 39.788699] ? __lock_is_held+0xb6/0x140 [ 39.792743] sock_ioctl+0x36b/0x610 [ 39.796347] ? sock_ioctl+0x36b/0x610 [ 39.800124] ? dlci_ioctl_set+0x40/0x40 [ 39.804076] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 39.809934] ? up_read+0x1a/0x40 [ 39.813281] ? rcu_note_context_switch+0x710/0x710 [ 39.818189] ? dlci_ioctl_set+0x40/0x40 [ 39.822138] do_vfs_ioctl+0x1b1/0x1520 [ 39.826014] ? do_vfs_ioctl+0x1b1/0x1520 [ 39.830060] ? _cond_resched+0x14/0x30 [ 39.833934] ? ioctl_preallocate+0x2b0/0x2b0 [ 39.838320] ? selinux_capable+0x40/0x40 [ 39.842362] ? SyS_futex+0x269/0x390 [ 39.846061] ? security_file_ioctl+0x89/0xb0 [ 39.850447] SyS_ioctl+0x8f/0xc0 [ 39.853796] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 39.858524] RIP: 0033:0x44aba9 [ 39.861686] RSP: 002b:00007ff0409f3d48 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 39.869369] RAX: ffffffffffffffda RBX: 00000000006dcc3c RCX: 000000000044aba9 [ 39.876618] RDX: 0000000020ed6ff8 RSI: 00000000000089e0 RDI: 0000000000000005 [ 39.883865] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 39.891109] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dcc38 [ 39.898354] R13: 656c6c616b7a7973 R14: 00007ff0409f49c0 R15: 0000000000002710 [ 39.906163] Dumping ftrace buffer: [ 39.909871] (ftrace buffer empty) [ 39.913558] Kernel Offset: disabled [ 39.917170] Rebooting in 86400 seconds..