[....] Starting enhanced syslogd: rsyslogd[ 13.596180] audit: type=1400 audit(1516871120.969:5): avc: denied { syslog } for pid=3507 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 17.390216] audit: type=1400 audit(1516871124.764:6): avc: denied { map } for pid=3647 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 '10.128.0.11' (ECDSA) to the list of known hosts. [ 24.188697] audit: type=1400 audit(1516871131.562:7): avc: denied { map } for pid=3662 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/01/25 09:05:31 parsed 1 programs 2018/01/25 09:05:31 executed programs: 0 [ 24.412150] audit: type=1400 audit(1516871131.785:8): avc: denied { map } for pid=3662 comm="syz-execprog" path="/root/syzkaller-shm509790963" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 24.856885] ip (3740) used greatest stack depth: 16592 bytes left [ 25.001906] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 25.663294] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 25.803897] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.158487] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.251427] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.327713] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.482264] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.583362] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 27.220435] audit: type=1400 audit(1516871134.594:9): avc: denied { prog_load } for pid=4403 comm="syz-executor4" 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 [ 27.324897] audit: type=1400 audit(1516871134.698:10): avc: denied { prog_run } for pid=4403 comm="syz-executor4" 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 2018/01/25 09:05:36 executed programs: 107 [ 33.025360] WARNING: CPU: 0 PID: 6016 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 [ 33.033895] Kernel panic - not syncing: panic_on_warn set ... [ 33.033895] [ 33.041253] CPU: 0 PID: 6016 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #279 [ 33.048498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.057826] Call Trace: [ 33.060392] dump_stack+0x194/0x257 [ 33.063998] ? arch_local_irq_restore+0x53/0x53 [ 33.068658] ? vsnprintf+0x1ed/0x1900 [ 33.072440] panic+0x1e4/0x41c [ 33.075613] ? refcount_error_report+0x214/0x214 [ 33.080343] ? show_regs_print_info+0x18/0x18 [ 33.084818] ? __warn+0x1c1/0x200 [ 33.088253] ? strp_done+0xb7/0xe0 [ 33.091853] __warn+0x1dc/0x200 [ 33.095116] ? strp_done+0xb7/0xe0 [ 33.098636] report_bug+0x211/0x2d0 [ 33.102248] fixup_bug.part.11+0x37/0x80 [ 33.106285] do_error_trap+0x2d7/0x3e0 [ 33.110149] ? lockdep_init_map+0x9/0x10 [ 33.114185] ? math_error+0x400/0x400 [ 33.117961] ? find_held_lock+0x35/0x1d0 [ 33.122020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.126843] do_invalid_op+0x1b/0x20 [ 33.130530] invalid_op+0x22/0x40 [ 33.133954] RIP: 0010:strp_done+0xb7/0xe0 [ 33.138073] RSP: 0018:ffff8801be5a7ac0 EFLAGS: 00010293 [ 33.143409] RAX: ffff8801bdc88580 RBX: ffff8801be5903c8 RCX: ffffffff84fdc797 [ 33.150653] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801be5903d0 [ 33.157899] RBP: ffff8801be5a7ad8 R08: 0000000000000001 R09: 0000000000000000 [ 33.165160] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cedb8480 [ 33.172415] R13: ffffc90001258000 R14: ffff8801c851d500 R15: ffff8801be5a7cd8 [ 33.179675] ? strp_done+0xb7/0xe0 [ 33.183199] kcm_ioctl+0x139a/0x17f0 [ 33.186887] ? find_held_lock+0x35/0x1d0 [ 33.190928] ? kcm_unattach+0x1510/0x1510 [ 33.195053] ? avc_ss_reset+0x110/0x110 [ 33.198998] ? lock_downgrade+0x980/0x980 [ 33.203127] ? lock_release+0xa40/0xa40 [ 33.207088] ? __lock_is_held+0xb6/0x140 [ 33.211158] sock_do_ioctl+0x65/0xb0 [ 33.214848] sock_ioctl+0x2c2/0x440 [ 33.218450] ? dlci_ioctl_set+0x40/0x40 [ 33.222398] do_vfs_ioctl+0x1b1/0x1520 [ 33.226260] ? _cond_resched+0x14/0x30 [ 33.230128] ? ioctl_preallocate+0x2b0/0x2b0 [ 33.234514] ? selinux_capable+0x40/0x40 [ 33.238555] ? SyS_futex+0x269/0x390 [ 33.242259] ? security_file_ioctl+0x89/0xb0 [ 33.246655] SyS_ioctl+0x8f/0xc0 [ 33.250001] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 33.254735] RIP: 0033:0x452f19 [ 33.257899] RSP: 002b:00007fd0bd786c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 33.265582] RAX: ffffffffffffffda RBX: 000000000071c010 RCX: 0000000000452f19 [ 33.272825] RDX: 000000002031aff8 RSI: 00000000000089e0 RDI: 0000000000000005 [ 33.280077] RBP: 0000000000000025 R08: 0000000000000000 R09: 0000000000000000 [ 33.287327] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ef418 [ 33.294578] R13: 00000000ffffffff R14: 00007fd0bd7876d4 R15: 0000000000000002 [ 33.302407] Dumping ftrace buffer: [ 33.305979] (ftrace buffer empty) [ 33.309662] Kernel Offset: disabled [ 33.313261] Rebooting in 86400 seconds..