[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.120842] FAULT_INJECTION: forcing a failure. [ 29.120842] name failslab, interval 1, probability 0, space 0, times 1 [ 29.132283] CPU: 1 PID: 7952 Comm: syz-executor115 Not tainted 4.14.277-syzkaller #0 [ 29.140144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.149477] Call Trace: [ 29.152050] dump_stack+0x1b2/0x281 [ 29.155662] should_fail.cold+0x10a/0x149 [ 29.159787] should_failslab+0xd6/0x130 [ 29.163737] __kmalloc+0x2c1/0x400 [ 29.167251] ? tracepoint_add_func+0x33f/0xa40 [ 29.171809] ? trace_kfree_skb_hit+0x20/0x20 [ 29.176192] tracepoint_add_func+0x33f/0xa40 [ 29.180700] ? trace_kfree_skb_hit+0x20/0x20 [ 29.185086] tracepoint_probe_register+0x8c/0xc0 [ 29.189822] ? for_each_kernel_tracepoint+0x80/0x80 [ 29.194820] ? trace_kfree_skb_hit+0x20/0x20 [ 29.199212] net_dm_cmd_trace+0x28d/0x3a0 [ 29.203335] genl_family_rcv_msg+0x572/0xb20 [ 29.207739] ? __lock_acquire+0x5fc/0x3f20 [ 29.211950] ? genl_rcv+0x40/0x40 [ 29.215379] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.220805] ? __kmalloc_node_track_caller+0x4c/0x70 [ 29.225884] ? trace_hardirqs_on+0x10/0x10 [ 29.230106] genl_rcv_msg+0xaf/0x140 [ 29.233796] netlink_rcv_skb+0x125/0x390 [ 29.237832] ? genl_family_rcv_msg+0xb20/0xb20 [ 29.242387] ? netlink_ack+0x9a0/0x9a0 [ 29.246250] ? lock_acquire+0x170/0x3f0 [ 29.250201] genl_rcv+0x24/0x40 [ 29.253454] netlink_unicast+0x437/0x610 [ 29.257493] ? netlink_sendskb+0xd0/0xd0 [ 29.261533] ? __check_object_size+0x179/0x230 [ 29.266091] netlink_sendmsg+0x648/0xbc0 [ 29.270127] ? nlmsg_notify+0x1b0/0x1b0 [ 29.274078] ? kernel_recvmsg+0x210/0x210 [ 29.278206] ? security_socket_sendmsg+0x83/0xb0 [ 29.282936] ? nlmsg_notify+0x1b0/0x1b0 [ 29.286883] sock_sendmsg+0xb5/0x100 [ 29.290572] ___sys_sendmsg+0x6c8/0x800 [ 29.294518] ? get_pid_task+0x91/0x130 [ 29.298378] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 29.303108] ? lock_downgrade+0x740/0x740 [ 29.307233] ? proc_fail_nth_write+0x7b/0x180 [ 29.311712] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.316615] ? _raw_spin_unlock+0x29/0x40 [ 29.320740] ? do_fault_around+0x35e/0x620 [ 29.324951] ? fsnotify+0x974/0x11b0 [ 29.328639] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.333547] ? __handle_mm_fault+0x80f/0x4620 [ 29.338019] ? vfs_write+0x35d/0x4d0 [ 29.341707] ? __fdget+0x167/0x1f0 [ 29.345226] ? sockfd_lookup_light+0xb2/0x160 [ 29.349696] __sys_sendmsg+0xa3/0x120 [ 29.353470] ? SyS_shutdown+0x160/0x160 [ 29.357432] ? SyS_read+0x210/0x210 [ 29.361033] ? __do_page_fault+0x159/0xad0 [ 29.365243] SyS_sendmsg+0x27/0x40 [ 29.368758] ? __sys_sendmsg+0x120/0x120 [ 29.372793] do_syscall_64+0x1d5/0x640 [ 29.376663] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.381828] RIP: 0033:0x7f6010ca0b49 [ 29.385513] RSP: 002b:00007ffe45c190b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.393197] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6010ca0b49 [ 29.400451] RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000005 [ 29.407694] RBP: 00007ffe45c190d0 R08: 0000000000000001 R09: 0000000000000001 [ 29.414941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 executing program [ 29.422187] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.435591] ------------[ cut here ]------------ [ 29.440377] WARNING: CPU: 1 PID: 7953 at kernel/tracepoint.c:256 tracepoint_add_func+0x23c/0xa40 [ 29.449288] Kernel panic - not syncing: panic_on_warn set ... [ 29.449288] [ 29.456639] CPU: 1 PID: 7953 Comm: syz-executor115 Not tainted 4.14.277-syzkaller #0 [ 29.464495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.473826] Call Trace: [ 29.476396] dump_stack+0x1b2/0x281 [ 29.480002] panic+0x1f9/0x42d [ 29.483176] ? add_taint.cold+0x16/0x16 [ 29.487130] ? tracepoint_add_func+0x23c/0xa40 [ 29.491692] ? tracepoint_add_func+0x23c/0xa40 [ 29.496342] __warn.cold+0x20/0x44 [ 29.499858] ? ist_end_non_atomic+0x10/0x10 [ 29.504166] ? tracepoint_add_func+0x23c/0xa40 [ 29.508733] report_bug+0x208/0x250 [ 29.512339] do_error_trap+0x195/0x2d0 [ 29.516216] ? math_error+0x2d0/0x2d0 [ 29.519999] ? lock_acquire+0x170/0x3f0 [ 29.523951] ? tracepoint_probe_register+0x68/0xc0 [ 29.528856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.533677] invalid_op+0x1b/0x40 [ 29.537106] RIP: 0010:tracepoint_add_func+0x23c/0xa40 [ 29.542268] RSP: 0018:ffff8880b360f650 EFLAGS: 00010297 [ 29.547609] RAX: ffff8880b3182040 RBX: 0000000000000000 RCX: 0000000000000001 [ 29.554866] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880b2d71998 [ 29.562121] RBP: ffffffff85cd6f70 R08: 0000000000000000 R09: 000000000004057e [ 29.569379] R10: ffff8880b3182940 R11: ffff8880b3182040 R12: 00000000ffffffef [ 29.576626] R13: dffffc0000000000 R14: 00000000ffffffff R15: ffff8880b2d71990 [ 29.583884] ? trace_drop_common.constprop.0+0x530/0x530 [ 29.589433] ? trace_drop_common.constprop.0+0x530/0x530 [ 29.594900] ? trace_drop_common.constprop.0+0x530/0x530 [ 29.600329] tracepoint_probe_register+0x8c/0xc0 [ 29.605068] ? for_each_kernel_tracepoint+0x80/0x80 [ 29.610062] ? trace_drop_common.constprop.0+0x530/0x530 [ 29.615507] net_dm_cmd_trace+0x275/0x3a0 [ 29.619639] genl_family_rcv_msg+0x572/0xb20 [ 29.624026] ? __lock_acquire+0x5fc/0x3f20 [ 29.628238] ? genl_rcv+0x40/0x40 [ 29.631674] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.637111] ? __kmalloc_node_track_caller+0x4c/0x70 [ 29.642192] ? trace_hardirqs_on+0x10/0x10 [ 29.646406] genl_rcv_msg+0xaf/0x140 [ 29.650096] netlink_rcv_skb+0x125/0x390 [ 29.654136] ? genl_family_rcv_msg+0xb20/0xb20 [ 29.658712] ? netlink_ack+0x9a0/0x9a0 [ 29.662579] ? lock_acquire+0x170/0x3f0 [ 29.666533] genl_rcv+0x24/0x40 [ 29.669796] netlink_unicast+0x437/0x610 [ 29.673838] ? netlink_sendskb+0xd0/0xd0 [ 29.677875] ? __check_object_size+0x179/0x230 [ 29.682434] netlink_sendmsg+0x648/0xbc0 [ 29.686476] ? nlmsg_notify+0x1b0/0x1b0 [ 29.690431] ? kernel_recvmsg+0x210/0x210 [ 29.694874] ? security_socket_sendmsg+0x83/0xb0 [ 29.699606] ? nlmsg_notify+0x1b0/0x1b0 [ 29.703558] sock_sendmsg+0xb5/0x100 [ 29.707249] ___sys_sendmsg+0x6c8/0x800 [ 29.711200] ? get_pid_task+0x91/0x130 [ 29.715072] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 29.719830] ? lock_downgrade+0x740/0x740 [ 29.723956] ? proc_fail_nth_write+0x7b/0x180 [ 29.728428] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.733422] ? _raw_spin_unlock+0x29/0x40 [ 29.737634] ? do_fault_around+0x35e/0x620 [ 29.741851] ? fsnotify+0x974/0x11b0 [ 29.745543] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.750449] ? __handle_mm_fault+0x80f/0x4620 [ 29.754936] ? vfs_write+0x35d/0x4d0 [ 29.758632] ? __fdget+0x167/0x1f0 [ 29.762158] ? sockfd_lookup_light+0xb2/0x160 [ 29.766633] __sys_sendmsg+0xa3/0x120 [ 29.770417] ? SyS_shutdown+0x160/0x160 [ 29.774374] ? SyS_read+0x210/0x210 [ 29.777980] ? __do_page_fault+0x159/0xad0 [ 29.782201] SyS_sendmsg+0x27/0x40 [ 29.785716] ? __sys_sendmsg+0x120/0x120 [ 29.789751] do_syscall_64+0x1d5/0x640 [ 29.793617] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.798790] RIP: 0033:0x7f6010ca0b49 [ 29.802476] RSP: 002b:00007ffe45c190b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 29.810159] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6010ca0b49 [ 29.817437] RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000005 [ 29.824688] RBP: 00007ffe45c190d0 R08: 0000000000000001 R09: 0000000000000001 [ 29.831936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 29.839183] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.846842] Kernel Offset: disabled [ 29.850491] Rebooting in 86400 seconds..