[?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. [ 17.840273] audit: type=1400 audit(1521392164.224:6): avc: denied { map } for pid=4223 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. syzkaller login: [ 30.183406] audit: type=1400 audit(1521392176.567:7): avc: denied { map } for pid=4239 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 2018/03/18 16:56:16 parsed 1 programs 2018/03/18 16:56:16 executed programs: 0 [ 30.441164] audit: type=1400 audit(1521392176.824:8): avc: denied { map } for pid=4239 comm="syz-execprog" path="/root/syzkaller-shm535686532" 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 [ 30.451034] IPVS: ftp: loaded support on port[0] = 21 [ 30.497799] WARNING: CPU: 0 PID: 4248 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 30.506322] Kernel panic - not syncing: panic_on_warn set ... [ 30.506322] [ 30.513656] CPU: 0 PID: 4248 Comm: syz-executor0 Not tainted 4.16.0-rc5+ #267 [ 30.520894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.530216] Call Trace: [ 30.532779] dump_stack+0x194/0x24d [ 30.536379] ? arch_local_irq_restore+0x53/0x53 [ 30.541022] ? vsnprintf+0x1ed/0x1900 [ 30.544796] panic+0x1e4/0x41c [ 30.547961] ? refcount_error_report+0x214/0x214 [ 30.552688] ? show_regs_print_info+0x18/0x18 [ 30.557179] ? __destroy_inode+0x660/0x660 [ 30.561389] ? __warn+0x1c1/0x200 [ 30.564817] ? smc_unhash_sk+0x335/0x450 [ 30.568848] __warn+0x1dc/0x200 [ 30.572096] ? smc_unhash_sk+0x335/0x450 [ 30.576131] report_bug+0x1f4/0x2b0 [ 30.579731] fixup_bug.part.11+0x37/0x80 [ 30.583761] do_error_trap+0x2d7/0x3e0 [ 30.587622] ? math_error+0x400/0x400 [ 30.591397] ? reacquire_held_locks+0x1f9/0x3e0 [ 30.596040] ? lock_acquire+0x1d5/0x580 [ 30.599980] ? lock_acquire+0x1d5/0x580 [ 30.603929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.608744] do_invalid_op+0x1b/0x20 [ 30.612428] invalid_op+0x1b/0x40 [ 30.615848] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 30.620483] RSP: 0018:ffff8801b0817148 EFLAGS: 00010293 [ 30.625814] RAX: ffff8801ae1106c0 RBX: 1ffff10036102e2d RCX: ffffffff85a40075 [ 30.633053] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10036102e31 [ 30.640296] RBP: ffff8801b0817230 R08: dffffc0000000000 R09: 0000000000000004 [ 30.647539] R10: ffff8801b0817000 R11: 0000000000000004 R12: ffff8801b0817208 [ 30.654779] R13: ffffffff87672280 R14: ffff8801b09b87c0 R15: 1ffff10036102e31 [ 30.662031] ? smc_unhash_sk+0x335/0x450 [ 30.666067] ? smc_unhash_sk+0x335/0x450 [ 30.670103] ? smc_hash_sk+0x2f0/0x2f0 [ 30.673960] ? release_sock+0x1d4/0x2a0 [ 30.677903] ? __local_bh_enable_ip+0x121/0x230 [ 30.682538] ? __release_sock+0x360/0x360 [ 30.686654] ? smc_release+0x23d/0x580 [ 30.690510] ? trace_hardirqs_on+0xd/0x10 [ 30.694628] ? __local_bh_enable_ip+0x121/0x230 [ 30.699268] smc_release+0x322/0x580 [ 30.702958] sock_release+0x8d/0x1e0 [ 30.706639] ? sock_alloc_file+0x560/0x560 [ 30.710841] sock_close+0x16/0x20 [ 30.714264] __fput+0x327/0x7e0 [ 30.717521] ? fput+0x140/0x140 [ 30.720772] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.725242] ____fput+0x15/0x20 [ 30.728494] task_work_run+0x199/0x270 [ 30.732355] ? task_work_cancel+0x210/0x210 [ 30.736648] ? _raw_spin_unlock+0x22/0x30 [ 30.740767] ? switch_task_namespaces+0x87/0xc0 [ 30.745411] do_exit+0x9bb/0x1ad0 [ 30.748838] ? mm_update_next_owner+0x930/0x930 [ 30.753479] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.758638] ? save_stack+0x43/0xd0 [ 30.762234] ? __kasan_slab_free+0x11a/0x170 [ 30.766614] ? kasan_slab_free+0xe/0x10 [ 30.770559] ? kfree+0xd9/0x260 [ 30.773807] ? do_sys_poll+0xc4e/0x1050 [ 30.777749] ? SyS_poll+0x10d/0x450 [ 30.781348] ? do_fast_syscall_32+0x3ec/0xf9f [ 30.785815] ? entry_SYSENTER_compat+0x70/0x7f [ 30.790369] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 30.795443] ? debug_check_no_obj_freed+0x3da/0xf1f [ 30.800451] ? smc_tcp_listen_work+0xea0/0xea0 [ 30.805010] ? free_obj_work+0x690/0x690 [ 30.809043] ? __fget_light+0x2b2/0x3c0 [ 30.812991] ? fget_raw+0x20/0x20 [ 30.816414] ? __check_object_size+0x8b/0x530 [ 30.820886] ? trace_hardirqs_off+0xd/0x10 [ 30.825091] ? trace_hardirqs_off+0x10/0x10 [ 30.829384] ? kfree+0xf3/0x260 [ 30.832635] ? do_sys_poll+0xc4e/0x1050 [ 30.836588] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.841578] ? memset+0x31/0x40 [ 30.844833] ? find_held_lock+0x35/0x1d0 [ 30.848872] ? get_signal+0x7a9/0x16d0 [ 30.852730] ? lock_downgrade+0x980/0x980 [ 30.856855] do_group_exit+0x149/0x400 [ 30.860713] ? do_raw_spin_trylock+0x190/0x190 [ 30.865264] ? SyS_exit+0x30/0x30 [ 30.868691] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.873158] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.878155] get_signal+0x73a/0x16d0 [ 30.881848] ? ptrace_notify+0x130/0x130 [ 30.885889] ? lock_release+0xa40/0xa40 [ 30.889837] ? __local_bh_enable_ip+0x121/0x230 [ 30.894480] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.899467] ? release_sock+0x1d4/0x2a0 [ 30.903412] ? trace_hardirqs_on+0xd/0x10 [ 30.907535] do_signal+0x90/0x1e90 [ 30.911051] ? release_sock+0x1d4/0x2a0 [ 30.914996] ? __release_sock+0x360/0x360 [ 30.919117] ? setup_sigcontext+0x7d0/0x7d0 [ 30.923408] ? kernel_connect+0x6a/0x90 [ 30.927354] ? smc_connect+0x1c2/0x240 [ 30.931213] ? SYSC_connect+0x2e0/0x4a0 [ 30.935158] ? SYSC_bind+0x410/0x410 [ 30.938854] ? exit_to_usermode_loop+0x8c/0x2f0 [ 30.943501] exit_to_usermode_loop+0x258/0x2f0 [ 30.948055] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.953565] ? do_fast_syscall_32+0x156/0xf9f [ 30.958036] do_fast_syscall_32+0xbe6/0xf9f [ 30.962334] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.966884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.971612] ? syscall_return_slowpath+0x2ac/0x550 [ 30.976511] ? prepare_exit_to_usermode+0x350/0x350 [ 30.981499] ? sysret32_from_system_call+0x5/0x3c [ 30.986318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.991144] entry_SYSENTER_compat+0x70/0x7f [ 30.995522] RIP: 0023:0xf7fdfc99 [ 30.998852] RSP: 002b:00000000ffc7d85c EFLAGS: 00000286 ORIG_RAX: 00000000000000a8 [ 31.006527] RAX: 0000000000000001 RBX: 00000000200000c0 RCX: 0000000000000269 [ 31.013764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.021002] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.028243] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 31.035484] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.043180] Dumping ftrace buffer: [ 31.046761] (ftrace buffer empty) [ 31.050443] Kernel Offset: disabled [ 31.054040] Rebooting in 86400 seconds..