[ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.249590] FAULT_INJECTION: forcing a failure. [ 32.249590] name failslab, interval 1, probability 0, space 0, times 1 [ 32.260927] CPU: 1 PID: 8097 Comm: syz-executor106 Not tainted 4.19.211-syzkaller #0 [ 32.268789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.278119] Call Trace: [ 32.280690] dump_stack+0x1fc/0x2ef [ 32.284304] should_fail.cold+0xa/0xf [ 32.288086] ? setup_fault_attr+0x200/0x200 [ 32.292387] ? lock_acquire+0x170/0x3c0 [ 32.296342] __should_failslab+0x115/0x180 [ 32.300556] should_failslab+0x5/0x10 [ 32.304334] __kmalloc+0x2ab/0x3c0 [ 32.307852] ? tracepoint_add_func+0x397/0xb90 [ 32.312418] tracepoint_add_func+0x397/0xb90 [ 32.316805] ? is_bpf_text_address+0xd5/0x1b0 [ 32.321279] ? trace_kfree_skb_hit+0x20/0x20 [ 32.325669] tracepoint_probe_register+0xa1/0xf0 [ 32.330419] ? tracepoint_module_notify+0x5f0/0x5f0 [ 32.335412] ? trace_kfree_skb_hit+0x20/0x20 [ 32.339800] ? lock_downgrade+0x720/0x720 [ 32.343926] ? lock_acquire+0x170/0x3c0 [ 32.347883] net_dm_cmd_trace+0x2d9/0x3f0 [ 32.352011] genl_family_rcv_msg+0x642/0xc40 [ 32.356401] ? genl_rcv+0x40/0x40 [ 32.359830] ? genl_rcv_msg+0x12f/0x160 [ 32.363782] ? mutex_trylock+0x1a0/0x1a0 [ 32.368173] ? __radix_tree_lookup+0x216/0x370 [ 32.372735] genl_rcv_msg+0xbf/0x160 [ 32.376433] netlink_rcv_skb+0x160/0x440 [ 32.380474] ? genl_family_rcv_msg+0xc40/0xc40 [ 32.385038] ? netlink_ack+0xae0/0xae0 [ 32.388903] ? genl_rcv+0x15/0x40 [ 32.392338] genl_rcv+0x24/0x40 [ 32.395594] netlink_unicast+0x4d5/0x690 [ 32.399635] ? netlink_sendskb+0x110/0x110 [ 32.403848] ? _copy_from_iter_full+0x229/0x7c0 [ 32.408495] ? __phys_addr_symbol+0x2c/0x70 [ 32.412795] ? __check_object_size+0x17b/0x3e0 [ 32.417356] netlink_sendmsg+0x6c3/0xc50 [ 32.421398] ? aa_af_perm+0x230/0x230 [ 32.425180] ? nlmsg_notify+0x1f0/0x1f0 [ 32.429132] ? kernel_recvmsg+0x220/0x220 [ 32.433264] ? nlmsg_notify+0x1f0/0x1f0 [ 32.437220] sock_sendmsg+0xc3/0x120 [ 32.440913] ___sys_sendmsg+0x7bb/0x8e0 [ 32.444870] ? check_preemption_disabled+0x41/0x280 [ 32.449867] ? copy_msghdr_from_user+0x440/0x440 [ 32.454604] ? proc_fail_nth_write+0x95/0x1d0 [ 32.459076] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 32.463985] ? mark_held_locks+0xf0/0xf0 [ 32.468028] ? __vfs_write+0xff/0x770 [ 32.471804] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 32.476712] ? common_file_perm+0x4e5/0x850 [ 32.481011] ? kernel_read+0x110/0x110 [ 32.484877] ? vm_insert_page+0x9c0/0x9c0 [ 32.489003] ? fsnotify+0x84e/0xe10 [ 32.492609] ? vfs_write+0x3d7/0x540 [ 32.496302] ? __fdget+0x1a0/0x230 [ 32.499822] __x64_sys_sendmsg+0x132/0x220 [ 32.504034] ? __sys_sendmsg+0x1b0/0x1b0 [ 32.508072] ? vfs_write+0x393/0x540 [ 32.511785] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 32.517135] ? trace_hardirqs_off_caller+0x6e/0x210 [ 32.522134] ? do_syscall_64+0x21/0x620 [ 32.526088] do_syscall_64+0xf9/0x620 [ 32.529871] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.535040] RIP: 0033:0x7f93dae94b29 [ 32.538732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 32.557619] RSP: 002b:00007ffd88ef57d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.565314] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f93dae94b29 [ 32.572559] RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000004 [ 32.579807] RBP: 00007ffd88ef57f0 R08: 0000000000000001 R09: 0000000000000001 [ 32.587053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 32.594304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 32.611173] WARNING: CPU: 0 PID: 8098 at kernel/tracepoint.c:303 tracepoint_add_func+0x9e9/0xb90 [ 32.620109] Kernel panic - not syncing: panic_on_warn set ... [ 32.620109] [ 32.627471] CPU: 0 PID: 8098 Comm: syz-executor106 Not tainted 4.19.211-syzkaller #0 [ 32.635337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.644666] Call Trace: [ 32.647234] dump_stack+0x1fc/0x2ef [ 32.650840] panic+0x26a/0x50e [ 32.654018] ? __warn_printk+0xf3/0xf3 [ 32.657890] ? tracepoint_add_func+0x9e9/0xb90 [ 32.662448] ? __probe_kernel_read+0x130/0x1b0 [ 32.667008] ? __warn.cold+0x5/0x5a [ 32.670611] ? __warn+0xe4/0x200 [ 32.673956] ? tracepoint_add_func+0x9e9/0xb90 [ 32.678514] __warn.cold+0x20/0x5a [ 32.682031] ? tracepoint_add_func+0x9e9/0xb90 [ 32.686593] report_bug+0x262/0x2b0 [ 32.690201] do_error_trap+0x1d7/0x310 [ 32.694069] ? math_error+0x310/0x310 [ 32.697848] ? is_bpf_text_address+0xfc/0x1b0 [ 32.702323] ? error_entry+0x72/0xd0 [ 32.706017] ? trace_hardirqs_off_caller+0x6e/0x210 [ 32.711011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.715832] invalid_op+0x14/0x20 [ 32.719264] RIP: 0010:tracepoint_add_func+0x9e9/0xb90 [ 32.724437] Code: 4c 89 e5 48 98 48 8d 04 40 4c 8d 24 c1 e9 82 fc ff ff e8 6a bb fe ff 48 83 fb f4 74 92 e8 5f bb fe ff 41 89 dc e8 57 bb fe ff <0f> 0b e9 98 f8 ff ff e8 4b bb fe ff 49 83 c4 28 48 8b 2c 24 e9 51 [ 32.743324] RSP: 0018:ffff888094b47598 EFLAGS: 00010293 [ 32.748668] RAX: ffff8880b2b72180 RBX: 0000000000000001 RCX: ffffffff8163c2b0 [ 32.755928] RDX: 0000000000000000 RSI: ffffffff8163ca19 RDI: 0000000000000001 [ 32.763182] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.770745] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000ffffffef [ 32.777998] R13: 00000000ffffffff R14: 0000000000000000 R15: dffffc0000000000 [ 32.785261] ? tracepoint_add_func+0x280/0xb90 [ 32.789822] ? tracepoint_add_func+0x9e9/0xb90 [ 32.794386] ? tracepoint_add_func+0x9e9/0xb90 [ 32.798946] ? trace_drop_common.constprop.0+0x570/0x570 [ 32.804379] ? trace_drop_common.constprop.0+0x570/0x570 [ 32.809806] tracepoint_probe_register+0xa1/0xf0 [ 32.814540] ? tracepoint_module_notify+0x5f0/0x5f0 [ 32.819536] ? trace_drop_common.constprop.0+0x570/0x570 [ 32.824963] ? lock_downgrade+0x720/0x720 [ 32.829100] ? lock_acquire+0x170/0x3c0 [ 32.833107] net_dm_cmd_trace+0x2c1/0x3f0 [ 32.837253] genl_family_rcv_msg+0x642/0xc40 [ 32.841655] ? genl_rcv+0x40/0x40 [ 32.845092] ? genl_rcv_msg+0x12f/0x160 [ 32.849068] ? mutex_trylock+0x1a0/0x1a0 [ 32.853127] ? __radix_tree_lookup+0x216/0x370 [ 32.857705] genl_rcv_msg+0xbf/0x160 [ 32.861406] netlink_rcv_skb+0x160/0x440 [ 32.865451] ? genl_family_rcv_msg+0xc40/0xc40 [ 32.870015] ? netlink_ack+0xae0/0xae0 [ 32.873884] ? genl_rcv+0x15/0x40 [ 32.877319] genl_rcv+0x24/0x40 [ 32.880576] netlink_unicast+0x4d5/0x690 [ 32.884619] ? netlink_sendskb+0x110/0x110 [ 32.888834] ? _copy_from_iter_full+0x229/0x7c0 [ 32.893480] ? __phys_addr_symbol+0x2c/0x70 [ 32.897785] ? __check_object_size+0x17b/0x3e0 [ 32.902350] netlink_sendmsg+0x6c3/0xc50 [ 32.906390] ? aa_af_perm+0x230/0x230 [ 32.910167] ? nlmsg_notify+0x1f0/0x1f0 [ 32.914116] ? kernel_recvmsg+0x220/0x220 [ 32.918245] ? nlmsg_notify+0x1f0/0x1f0 [ 32.922198] sock_sendmsg+0xc3/0x120 [ 32.925890] ___sys_sendmsg+0x7bb/0x8e0 [ 32.929844] ? check_preemption_disabled+0x41/0x280 [ 32.934839] ? copy_msghdr_from_user+0x440/0x440 [ 32.939576] ? proc_fail_nth_write+0x95/0x1d0 [ 32.944049] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 32.948958] ? mark_held_locks+0xf0/0xf0 [ 32.953010] ? __vfs_write+0xff/0x770 [ 32.956795] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 32.961703] ? common_file_perm+0x4e5/0x850 [ 32.966004] ? kernel_read+0x110/0x110 [ 32.969870] ? vm_insert_page+0x9c0/0x9c0 [ 32.973994] ? fsnotify+0x84e/0xe10 [ 32.977601] ? vfs_write+0x3d7/0x540 [ 32.981309] ? __fdget+0x1a0/0x230 [ 32.984840] __x64_sys_sendmsg+0x132/0x220 [ 32.989069] ? __sys_sendmsg+0x1b0/0x1b0 [ 32.993123] ? vfs_write+0x393/0x540 [ 32.996827] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.002170] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.007167] ? do_syscall_64+0x21/0x620 [ 33.011121] do_syscall_64+0xf9/0x620 [ 33.014904] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.020070] RIP: 0033:0x7f93dae94b29 [ 33.023765] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 33.042645] RSP: 002b:00007ffd88ef57d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.050331] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f93dae94b29 [ 33.057578] RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000004 [ 33.064827] RBP: 00007ffd88ef57f0 R08: 0000000000000001 R09: 0000000000000001 [ 33.072077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 33.079325] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 33.086919] Kernel Offset: disabled [ 33.090577] Rebooting in 86400 seconds..