[....] Starting enhanced syslogd: rsyslogd[ 17.667461] audit: type=1400 audit(1521157649.915:5): avc: denied { syslog } for pid=4100 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: [ 22.364267] audit: type=1400 audit(1521157654.612:6): avc: denied { map } for pid=4240 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 '10.128.10.17' (ECDSA) to the list of known hosts. [ 28.750880] audit: type=1400 audit(1521157660.998:7): avc: denied { map } for pid=4254 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 2018/03/15 23:47:41 parsed 1 programs 2018/03/15 23:47:41 executed programs: 0 [ 28.999520] audit: type=1400 audit(1521157661.247:8): avc: denied { map } for pid=4254 comm="syz-execprog" path="/root/syzkaller-shm946122169" 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 [ 29.016321] IPVS: ftp: loaded support on port[0] = 21 [ 29.025158] audit: type=1400 audit(1521157661.257:9): avc: denied { sys_admin } for pid=4259 comm="syz-executor3" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 29.071688] IPVS: ftp: loaded support on port[0] = 21 [ 29.085130] audit: type=1400 audit(1521157661.326:10): avc: denied { sys_chroot } for pid=4261 comm="syz-executor3" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 29.109627] audit: type=1400 audit(1521157661.327:11): avc: denied { net_admin } for pid=4261 comm="syz-executor3" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 29.124148] IPVS: ftp: loaded support on port[0] = 21 [ 29.192752] IPVS: ftp: loaded support on port[0] = 21 [ 29.248255] IPVS: ftp: loaded support on port[0] = 21 [ 29.317701] IPVS: ftp: loaded support on port[0] = 21 [ 29.378734] IPVS: ftp: loaded support on port[0] = 21 [ 29.416284] IPVS: ftp: loaded support on port[0] = 21 2018/03/15 23:47:46 executed programs: 782 [ 34.847361] WARNING: CPU: 1 PID: 6145 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 34.856005] Kernel panic - not syncing: panic_on_warn set ... [ 34.856005] [ 34.863354] CPU: 1 PID: 6145 Comm: syz-executor3 Not tainted 4.16.0-rc5+ #265 [ 34.870607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.879935] Call Trace: [ 34.882500] dump_stack+0x194/0x24d [ 34.886107] ? arch_local_irq_restore+0x53/0x53 [ 34.890756] ? vsnprintf+0x1ed/0x1900 [ 34.894541] panic+0x1e4/0x41c [ 34.897710] ? refcount_error_report+0x214/0x214 [ 34.902438] ? show_regs_print_info+0x18/0x18 [ 34.906910] ? __destroy_inode+0x660/0x660 [ 34.911122] ? __warn+0x1c1/0x200 [ 34.914557] ? smc_unhash_sk+0x335/0x450 [ 34.918591] __warn+0x1dc/0x200 [ 34.921848] ? smc_unhash_sk+0x335/0x450 [ 34.925887] report_bug+0x1f4/0x2b0 [ 34.929494] fixup_bug.part.11+0x37/0x80 [ 34.933531] do_error_trap+0x2d7/0x3e0 [ 34.937404] ? math_error+0x400/0x400 [ 34.941183] ? reacquire_held_locks+0x1f9/0x3e0 [ 34.945842] ? lock_acquire+0x1d5/0x580 [ 34.949791] ? lock_acquire+0x1d5/0x580 [ 34.953745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.958566] do_invalid_op+0x1b/0x20 [ 34.962254] invalid_op+0x1b/0x40 [ 34.965683] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 34.970333] RSP: 0018:ffff8801d3e3f148 EFLAGS: 00010293 [ 34.975672] RAX: ffff8801d3e56080 RBX: 1ffff1003a7c7e2d RCX: ffffffff85a40075 [ 34.982917] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff1003a7c7e31 [ 34.990158] RBP: ffff8801d3e3f230 R08: dffffc0000000000 R09: 0000000000000004 [ 34.997412] R10: ffff8801d3e3f000 R11: 0000000000000004 R12: ffff8801d3e3f208 [ 35.004655] R13: ffffffff87672280 R14: ffff8801abdab7c0 R15: 1ffff1003a7c7e31 [ 35.011910] ? smc_unhash_sk+0x335/0x450 [ 35.015949] ? smc_unhash_sk+0x335/0x450 [ 35.019989] ? smc_hash_sk+0x2f0/0x2f0 [ 35.023858] ? release_sock+0x1d4/0x2a0 [ 35.027806] ? __local_bh_enable_ip+0x121/0x230 [ 35.032450] ? __release_sock+0x360/0x360 [ 35.036575] ? smc_release+0x23d/0x580 [ 35.040439] ? trace_hardirqs_on+0xd/0x10 [ 35.044559] ? __local_bh_enable_ip+0x121/0x230 [ 35.049205] smc_release+0x322/0x580 [ 35.052899] sock_release+0x8d/0x1e0 [ 35.056591] ? sock_alloc_file+0x560/0x560 [ 35.060801] sock_close+0x16/0x20 [ 35.064229] __fput+0x327/0x7e0 [ 35.067491] ? fput+0x140/0x140 [ 35.070765] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.075330] ____fput+0x15/0x20 [ 35.078588] task_work_run+0x199/0x270 [ 35.082454] ? task_work_cancel+0x210/0x210 [ 35.086753] ? _raw_spin_unlock+0x22/0x30 [ 35.090879] ? switch_task_namespaces+0x87/0xc0 [ 35.095527] do_exit+0x9bb/0x1ad0 [ 35.098955] ? futex_wait_queue_me+0x52f/0x7f0 [ 35.103517] ? mm_update_next_owner+0x930/0x930 [ 35.108163] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.113326] ? get_futex_value_locked+0xc6/0xf0 [ 35.117973] ? futex_wait_setup+0x22e/0x3d0 [ 35.122268] ? trace_hardirqs_off+0x10/0x10 [ 35.126601] ? futex_wake+0x680/0x680 [ 35.130386] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 35.135463] ? futex_wait+0x6a9/0x9a0 [ 35.139254] ? switched_to_fair+0xa0/0xa0 [ 35.143387] ? trace_hardirqs_off+0x10/0x10 [ 35.147685] ? __enqueue_entity+0x109/0x1e0 [ 35.151988] ? memset+0x31/0x40 [ 35.155256] ? find_held_lock+0x35/0x1d0 [ 35.159299] ? get_signal+0x7a9/0x16d0 [ 35.163164] ? lock_downgrade+0x980/0x980 [ 35.167297] do_group_exit+0x149/0x400 [ 35.171161] ? do_raw_spin_trylock+0x190/0x190 [ 35.175721] ? SyS_exit+0x30/0x30 [ 35.179150] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.183626] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.188623] get_signal+0x73a/0x16d0 [ 35.192323] ? ptrace_notify+0x130/0x130 [ 35.196366] ? __schedule+0x903/0x1ec0 [ 35.200229] ? lock_downgrade+0x980/0x980 [ 35.204358] ? __sched_text_start+0x8/0x8 [ 35.208480] ? __local_bh_enable_ip+0x121/0x230 [ 35.213128] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.218118] ? release_sock+0x1d4/0x2a0 [ 35.222067] ? trace_hardirqs_on+0xd/0x10 [ 35.226195] do_signal+0x90/0x1e90 [ 35.229708] ? release_sock+0x1d4/0x2a0 [ 35.233668] ? setup_sigcontext+0x7d0/0x7d0 [ 35.237976] ? schedule+0xf5/0x430 [ 35.241491] ? SYSC_connect+0x2e0/0x4a0 [ 35.245440] ? __schedule+0x1ec0/0x1ec0 [ 35.249387] ? SYSC_bind+0x410/0x410 [ 35.253094] ? exit_to_usermode_loop+0x8c/0x2f0 [ 35.257745] exit_to_usermode_loop+0x258/0x2f0 [ 35.262304] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 35.267819] ? do_fast_syscall_32+0x156/0xf9f [ 35.272297] do_fast_syscall_32+0xbe6/0xf9f [ 35.276590] ? account_kernel_stack+0x25e/0x3c0 [ 35.281239] ? do_int80_syscall_32+0x9c0/0x9c0 [ 35.285806] ? syscall_return_slowpath+0x2ac/0x550 [ 35.290712] ? prepare_exit_to_usermode+0x350/0x350 [ 35.295705] ? sysret32_from_system_call+0x5/0x3c [ 35.300528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.305364] entry_SYSENTER_compat+0x70/0x7f [ 35.309750] RIP: 0023:0xf7f02c99 [ 35.313088] RSP: 002b:00000000f7edd10c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 [ 35.320768] RAX: 0000000000000000 RBX: 000000000813af98 RCX: 0000000000000000 [ 35.328015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.335259] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.342502] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 35.349745] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.357631] Dumping ftrace buffer: [ 35.361271] (ftrace buffer empty) [ 35.364955] Kernel Offset: disabled [ 35.368558] Rebooting in 86400 seconds..