[....] Starting enhanced syslogd: rsyslogd[ 16.017703] audit: type=1400 audit(1521980809.822:5): avc: denied { syslog } for pid=4051 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.173789] audit: type=1400 audit(1521980812.978:6): avc: denied { map } for pid=4190 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 '10.128.10.5' (ECDSA) to the list of known hosts. [ 28.256853] audit: type=1400 audit(1521980822.061:7): avc: denied { map } for pid=4204 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 2018/03/25 12:27:02 parsed 1 programs 2018/03/25 12:27:02 executed programs: 0 [ 28.527668] audit: type=1400 audit(1521980822.332:8): avc: denied { map } for pid=4204 comm="syz-execprog" path="/root/syzkaller-shm998345114" 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 [ 28.560226] IPVS: ftp: loaded support on port[0] = 21 [ 28.597607] WARNING: CPU: 0 PID: 4214 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 28.606186] Kernel panic - not syncing: panic_on_warn set ... [ 28.606186] [ 28.613527] CPU: 0 PID: 4214 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #275 [ 28.620771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.630113] Call Trace: [ 28.632691] dump_stack+0x194/0x24d [ 28.636311] ? arch_local_irq_restore+0x53/0x53 [ 28.641114] ? vsnprintf+0x1ed/0x1900 [ 28.644898] panic+0x1e4/0x41c [ 28.648070] ? refcount_error_report+0x214/0x214 [ 28.652801] ? show_regs_print_info+0x18/0x18 [ 28.657275] ? __destroy_inode+0x660/0x660 [ 28.661489] ? __warn+0x1c1/0x200 [ 28.664923] ? smc_unhash_sk+0x335/0x450 [ 28.668956] __warn+0x1dc/0x200 [ 28.672211] ? smc_unhash_sk+0x335/0x450 [ 28.676250] report_bug+0x1f4/0x2b0 [ 28.679857] fixup_bug.part.11+0x37/0x80 [ 28.683925] do_error_trap+0x2d7/0x3e0 [ 28.687796] ? math_error+0x400/0x400 [ 28.691585] ? reacquire_held_locks+0x1f9/0x3e0 [ 28.696258] ? lock_acquire+0x1d5/0x580 [ 28.700221] ? lock_acquire+0x1d5/0x580 [ 28.704178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.709006] do_invalid_op+0x1b/0x20 [ 28.712704] invalid_op+0x1b/0x40 [ 28.716132] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 28.720770] RSP: 0018:ffff8801b6427148 EFLAGS: 00010293 [ 28.726111] RAX: ffff8801cc316580 RBX: 1ffff10036c84e2d RCX: ffffffff85a44515 [ 28.733358] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10036c84e31 [ 28.740614] RBP: ffff8801b6427230 R08: dffffc0000000000 R09: 0000000000000004 [ 28.747866] R10: ffff8801b6427000 R11: 0000000000000004 R12: ffff8801b6427208 [ 28.755108] R13: ffffffff87672540 R14: ffff8801b6fc67c0 R15: 1ffff10036c84e31 [ 28.762422] ? smc_unhash_sk+0x335/0x450 [ 28.766476] ? smc_unhash_sk+0x335/0x450 [ 28.770515] ? smc_hash_sk+0x2f0/0x2f0 [ 28.774377] ? release_sock+0x1d4/0x2a0 [ 28.778339] ? __local_bh_enable_ip+0x121/0x230 [ 28.782989] ? __release_sock+0x360/0x360 [ 28.787121] ? smc_release+0x23d/0x580 [ 28.790992] ? trace_hardirqs_on+0xd/0x10 [ 28.795128] ? __local_bh_enable_ip+0x121/0x230 [ 28.799775] smc_release+0x322/0x580 [ 28.803469] sock_release+0x8d/0x1e0 [ 28.807157] ? sock_alloc_file+0x560/0x560 [ 28.811365] sock_close+0x16/0x20 [ 28.814794] __fput+0x327/0x7e0 [ 28.818051] ? fput+0x140/0x140 [ 28.821315] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.825789] ____fput+0x15/0x20 [ 28.829051] task_work_run+0x199/0x270 [ 28.832916] ? task_work_cancel+0x210/0x210 [ 28.837215] ? _raw_spin_unlock+0x22/0x30 [ 28.841335] ? switch_task_namespaces+0x87/0xc0 [ 28.845984] do_exit+0x9bb/0x1ad0 [ 28.849416] ? mm_update_next_owner+0x930/0x930 [ 28.854064] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.859236] ? save_stack+0x43/0xd0 [ 28.862855] ? __kasan_slab_free+0x11a/0x170 [ 28.867239] ? kasan_slab_free+0xe/0x10 [ 28.871189] ? kfree+0xd9/0x260 [ 28.874444] ? do_sys_poll+0xc4e/0x1050 [ 28.878402] ? SyS_poll+0x10d/0x450 [ 28.882018] ? do_fast_syscall_32+0x3ec/0xf9f [ 28.886496] ? entry_SYSENTER_compat+0x70/0x7f [ 28.891058] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 28.896138] ? debug_check_no_obj_freed+0x3da/0xf1f [ 28.901139] ? smc_tcp_listen_work+0xe60/0xe60 [ 28.905707] ? free_obj_work+0x690/0x690 [ 28.909752] ? __fget_light+0x2b2/0x3c0 [ 28.913704] ? fget_raw+0x20/0x20 [ 28.917135] ? __check_object_size+0x8b/0x530 [ 28.921615] ? trace_hardirqs_off+0xd/0x10 [ 28.925826] ? trace_hardirqs_off+0x10/0x10 [ 28.930129] ? kfree+0xf3/0x260 [ 28.933385] ? do_sys_poll+0xc4e/0x1050 [ 28.937337] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.942329] ? memset+0x31/0x40 [ 28.945587] ? find_held_lock+0x35/0x1d0 [ 28.949633] ? get_signal+0x7a9/0x16d0 [ 28.953501] ? lock_downgrade+0x980/0x980 [ 28.957634] do_group_exit+0x149/0x400 [ 28.961499] ? do_raw_spin_trylock+0x190/0x190 [ 28.966060] ? SyS_exit+0x30/0x30 [ 28.969494] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.973973] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.978972] get_signal+0x73a/0x16d0 [ 28.982670] ? ptrace_notify+0x130/0x130 [ 28.986713] ? lock_release+0xa40/0xa40 [ 28.990666] ? __local_bh_enable_ip+0x121/0x230 [ 28.995318] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.000316] ? release_sock+0x1d4/0x2a0 [ 29.004266] ? trace_hardirqs_on+0xd/0x10 [ 29.008397] do_signal+0x90/0x1e90 [ 29.011910] ? release_sock+0x1d4/0x2a0 [ 29.015857] ? __release_sock+0x360/0x360 [ 29.019985] ? setup_sigcontext+0x7d0/0x7d0 [ 29.024289] ? kernel_connect+0x6a/0x90 [ 29.028242] ? smc_connect+0x1c2/0x240 [ 29.032103] ? SYSC_connect+0x2e0/0x4a0 [ 29.036054] ? SYSC_bind+0x410/0x410 [ 29.039758] ? exit_to_usermode_loop+0x8c/0x2f0 [ 29.044409] exit_to_usermode_loop+0x258/0x2f0 [ 29.048970] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.054492] ? do_fast_syscall_32+0x156/0xf9f [ 29.058965] do_fast_syscall_32+0xbe6/0xf9f [ 29.063275] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.067831] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.072570] ? syscall_return_slowpath+0x2ac/0x550 [ 29.077472] ? prepare_exit_to_usermode+0x350/0x350 [ 29.082465] ? sysret32_from_system_call+0x5/0x3c [ 29.087286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.092112] entry_SYSENTER_compat+0x70/0x7f [ 29.096501] RIP: 0023:0xf7f41c99 [ 29.099924] RSP: 002b:00000000ffad633c EFLAGS: 00000282 ORIG_RAX: 00000000000000a8 [ 29.107605] RAX: 0000000000000001 RBX: 00000000200000c0 RCX: 0000000000000269 [ 29.114864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.122126] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.129389] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.136648] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.144534] Dumping ftrace buffer: [ 29.148181] (ftrace buffer empty) [ 29.151865] Kernel Offset: disabled [ 29.155469] Rebooting in 86400 seconds..