[....] Starting enhanced syslogd: rsyslogd[ 17.545475] audit: type=1400 audit(1520363047.490:5): avc: denied { syslog } for pid=4104 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: [ 23.342889] audit: type=1400 audit(1520363053.287:6): avc: denied { map } for pid=4244 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 '10.128.0.49' (ECDSA) to the list of known hosts. [ 29.631742] audit: type=1400 audit(1520363059.576:7): avc: denied { map } for pid=4258 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 2018/03/06 19:04:19 parsed 1 programs 2018/03/06 19:04:19 executed programs: 0 [ 29.863755] audit: type=1400 audit(1520363059.808:8): avc: denied { map } for pid=4258 comm="syz-execprog" path="/root/syzkaller-shm443664342" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 29.873443] IPVS: ftp: loaded support on port[0] = 21 [ 29.918754] WARNING: CPU: 1 PID: 4267 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 29.928945] Kernel panic - not syncing: panic_on_warn set ... [ 29.928945] [ 29.936287] CPU: 1 PID: 4267 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 29.943535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.952866] Call Trace: [ 29.955425] dump_stack+0x194/0x24d [ 29.959027] ? arch_local_irq_restore+0x53/0x53 [ 29.963686] ? vsnprintf+0x1ed/0x1900 [ 29.967467] panic+0x1e4/0x41c [ 29.970630] ? refcount_error_report+0x214/0x214 [ 29.975352] ? show_regs_print_info+0x18/0x18 [ 29.979823] ? __warn+0x1c1/0x200 [ 29.983252] ? compat_copy_entries+0xd92/0x1150 [ 29.987890] __warn+0x1dc/0x200 [ 29.991143] ? compat_copy_entries+0xd92/0x1150 [ 29.995783] report_bug+0x211/0x2d0 [ 29.999384] fixup_bug.part.11+0x37/0x80 [ 30.003415] do_error_trap+0x2d7/0x3e0 [ 30.007277] ? wait_for_completion+0x770/0x770 [ 30.011837] ? math_error+0x400/0x400 [ 30.015612] ? module_unload_free+0x5b0/0x5b0 [ 30.020080] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.025066] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 30.029885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.034703] do_invalid_op+0x1b/0x20 [ 30.038385] invalid_op+0x1b/0x40 [ 30.041808] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 30.047055] RSP: 0018:ffff8801aa9777e8 EFLAGS: 00010293 [ 30.052388] RAX: ffff8801af35c4c0 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 30.059630] RDX: 0000000000000000 RSI: ffffc900018630c0 RDI: 0000000000000000 [ 30.066871] RBP: ffff8801aa977968 R08: 0000000000000004 R09: 0000000000000000 [ 30.074113] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000004 [ 30.081351] R13: dffffc0000000000 R14: ffff8801aa9779c8 R15: 000000000000000c [ 30.088600] ? compat_copy_entries+0xd92/0x1150 [ 30.093245] ? compat_copy_entries+0xd92/0x1150 [ 30.097896] ? __might_fault+0x110/0x1d0 [ 30.101947] ? compat_table_info+0x590/0x590 [ 30.106331] ? __might_sleep+0x95/0x190 [ 30.110289] compat_do_replace+0x398/0x7d0 [ 30.114501] ? do_ebt_set_ctl+0x110/0x110 [ 30.118639] ? ns_capable_common+0xcf/0x160 [ 30.122938] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 30.127494] ? compat_do_replace+0x7d0/0x7d0 [ 30.131885] ? mutex_unlock+0xd/0x10 [ 30.135573] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 30.140822] compat_nf_setsockopt+0x88/0x130 [ 30.145200] ? compat_do_replace+0x7d0/0x7d0 [ 30.149586] compat_ip_setsockopt+0x8b/0xd0 [ 30.153882] inet_csk_compat_setsockopt+0x95/0x120 [ 30.158782] ? ip_setsockopt+0xa0/0xa0 [ 30.162646] compat_dccp_setsockopt+0x40/0x70 [ 30.167115] compat_sock_common_setsockopt+0xb2/0x140 [ 30.172272] ? dccp_setsockopt+0xd0/0xd0 [ 30.176307] compat_SyS_setsockopt+0x17c/0x410 [ 30.180856] ? sock_common_setsockopt+0xd0/0xd0 [ 30.185500] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 30.190234] ? do_fast_syscall_32+0x156/0xf9f [ 30.194703] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 30.199429] do_fast_syscall_32+0x3ec/0xf9f [ 30.203726] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.208276] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.213008] ? syscall_return_slowpath+0x2ac/0x550 [ 30.217916] ? prepare_exit_to_usermode+0x350/0x350 [ 30.222905] ? sysret32_from_system_call+0x5/0x3c [ 30.227732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.232570] entry_SYSENTER_compat+0x70/0x7f [ 30.236949] RIP: 0023:0xf7f29c99 [ 30.240281] RSP: 002b:00000000ffa8f33c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 30.247956] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 30.255199] RDX: 0000000000000080 RSI: 00000000200007c0 RDI: 0000000000000224 [ 30.262436] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.269675] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.276913] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.284845] Dumping ftrace buffer: [ 30.288505] (ftrace buffer empty) [ 30.292195] Kernel Offset: disabled [ 30.295796] Rebooting in 86400 seconds..