[ 12.530399] audit: type=1400 audit(1516882338.495:5): avc: denied { syslog } for pid=3491 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.670129] audit: type=1400 audit(1516882343.634:6): 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 '10.128.15.218' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 42.564578] audit: type=1400 audit(1516882368.529:7): avc: denied { map } for pid=3657 comm="syzkaller424759" path="/root/syzkaller424759004" 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 [ 42.614680] audit: type=1400 audit(1516882368.529:8): avc: denied { prog_load } for pid=3668 comm="syzkaller424759" 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 [ 42.637837] audit: type=1400 audit(1516882368.576:9): avc: denied { prog_run } for pid=3675 comm="syzkaller424759" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.230262] WARNING: CPU: 1 PID: 7260 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 [ 52.238690] Kernel panic - not syncing: panic_on_warn set ... [ 52.238690] [ 52.246031] CPU: 1 PID: 7260 Comm: syzkaller424759 Not tainted 4.15.0-rc9+ #208 [ 52.253458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.262784] Call Trace: [ 52.265353] dump_stack+0x194/0x257 [ 52.268957] ? arch_local_irq_restore+0x53/0x53 [ 52.273603] ? vsnprintf+0x1ed/0x1900 [ 52.277382] panic+0x1e4/0x41c [ 52.280551] ? refcount_error_report+0x214/0x214 [ 52.285280] ? show_regs_print_info+0x18/0x18 [ 52.289758] ? __warn+0x1c1/0x200 [ 52.293189] ? strp_done+0xb7/0xe0 [ 52.296701] __warn+0x1dc/0x200 [ 52.299954] ? strp_done+0xb7/0xe0 [ 52.303480] report_bug+0x211/0x2d0 [ 52.307093] fixup_bug.part.11+0x37/0x80 [ 52.311133] do_error_trap+0x2d7/0x3e0 [ 52.314995] ? lockdep_init_map+0x9/0x10 [ 52.319038] ? math_error+0x400/0x400 [ 52.322815] ? find_held_lock+0x35/0x1d0 [ 52.326872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.331694] do_invalid_op+0x1b/0x20 [ 52.335381] invalid_op+0x22/0x40 [ 52.338807] RIP: 0010:strp_done+0xb7/0xe0 [ 52.342928] RSP: 0018:ffff8801cec1f8c0 EFLAGS: 00010293 [ 52.348266] RAX: ffff8801cdc0c5c0 RBX: ffff8801cdd76388 RCX: ffffffff8501ca77 [ 52.355522] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801cdd76390 [ 52.362770] RBP: ffff8801cec1f8d8 R08: 0000000000000001 R09: 0000000000000000 [ 52.370014] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801ce812a40 [ 52.377694] R13: ffffc9000129f000 R14: ffff8801d9402a80 R15: ffff8801cec1fad8 [ 52.384949] ? strp_done+0xb7/0xe0 [ 52.388475] kcm_ioctl+0x139a/0x17f0 [ 52.392175] ? kcm_unattach+0x1510/0x1510 [ 52.396298] ? find_held_lock+0x35/0x1d0 [ 52.400341] ? avc_has_extended_perms+0x6e5/0x12c0 [ 52.405261] ? lock_downgrade+0x980/0x980 [ 52.409382] ? check_noncircular+0x20/0x20 [ 52.413597] ? lock_release+0xa40/0xa40 [ 52.417547] ? copy_overflow+0x20/0x20 [ 52.421431] sock_do_ioctl+0xef/0x390 [ 52.425210] ? compat_ifr_data_ioctl+0x170/0x170 [ 52.429945] ? avc_ss_reset+0x110/0x110 [ 52.433890] ? lock_downgrade+0x980/0x980 [ 52.438020] ? lock_release+0xa40/0xa40 [ 52.441975] ? __lock_is_held+0xb6/0x140 [ 52.446028] sock_ioctl+0x36b/0x610 [ 52.449631] ? sock_ioctl+0x36b/0x610 [ 52.453408] ? dlci_ioctl_set+0x40/0x40 [ 52.457363] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 52.463220] ? up_read+0x1a/0x40 [ 52.466565] ? rcu_note_context_switch+0x710/0x710 [ 52.471482] ? dlci_ioctl_set+0x40/0x40 [ 52.475435] do_vfs_ioctl+0x1b1/0x1520 [ 52.479295] ? do_vfs_ioctl+0x1b1/0x1520 [ 52.483332] ? _cond_resched+0x14/0x30 [ 52.487211] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.491601] ? selinux_capable+0x40/0x40 [ 52.495641] ? SyS_futex+0x269/0x390 [ 52.499342] ? security_file_ioctl+0x89/0xb0 [ 52.503731] SyS_ioctl+0x8f/0xc0 [ 52.507077] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 52.511805] RIP: 0033:0x447b59 [ 52.514969] RSP: 002b:00007f88114b8cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.522652] RAX: ffffffffffffffda RBX: 00000000006ddc6c RCX: 0000000000447b59 [ 52.529896] RDX: 000000002031aff8 RSI: 00000000000089e0 RDI: 0000000000000008 [ 52.537141] RBP: 00000000006ddc68 R08: 0000000000000000 R09: 0000000000000000 [ 52.544403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.551649] R13: 00007ffcd77a585f R14: 00007f88114b99c0 R15: 0000000000000009 [ 52.559483] Dumping ftrace buffer: [ 52.563097] (ftrace buffer empty) [ 52.566786] Kernel Offset: disabled [ 52.570396] Rebooting in 86400 seconds..