INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-7,10.128.15.221' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.786492] FAULT_INJECTION: forcing a failure. [ 58.786492] name failslab, interval 1, probability 0, space 0, times 1 [ 58.788182] CPU: 1 PID: 3084 Comm: syzkaller426369 Not tainted 4.15.0-rc1+ #203 [ 58.789158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.790378] Call Trace: [ 58.790739] dump_stack+0x194/0x257 [ 58.791231] ? arch_local_irq_restore+0x53/0x53 [ 58.791854] ? save_stack+0xa3/0xd0 [ 58.792353] should_fail+0x8c0/0xa40 [ 58.792855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 58.793536] ? check_noncircular+0x20/0x20 [ 58.794103] ? print_usage_bug+0x3f0/0x3f0 [ 58.794674] ? find_held_lock+0x39/0x1d0 [ 58.795231] ? __lock_is_held+0xbc/0x140 [ 58.795789] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 58.796608] ? __kmalloc+0x471/0x760 [ 58.797110] ? rcu_note_context_switch+0x710/0x710 [ 58.797773] should_failslab+0xec/0x120 [ 58.798358] __kmalloc+0x63/0x760 [ 58.798827] ? null_compress+0x80/0x80 [ 58.799350] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 58.800072] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 58.800762] ? sock_kmalloc+0x112/0x190 [ 58.801299] sock_kmalloc+0x112/0x190 [ 58.801812] ? copy_overflow+0x30/0x30 [ 58.802347] ? af_alg_count_tsgl+0x1a8/0x210 [ 58.802943] aead_recvmsg+0xf8c/0x1bc0 [ 58.803492] ? aead_release+0x50/0x50 [ 58.804011] ? selinux_socket_recvmsg+0x36/0x40 [ 58.804634] ? security_socket_recvmsg+0x91/0xc0 [ 58.805269] ? aead_release+0x50/0x50 [ 58.805779] sock_recvmsg+0xc9/0x110 [ 58.806299] ? __sock_recv_wifi_status+0x210/0x210 [ 58.806957] ___sys_recvmsg+0x29b/0x630 [ 58.810907] ? ___sys_sendmsg+0x8a0/0x8a0 [ 58.815025] ? get_pid_task+0xbc/0x140 [ 58.818884] ? proc_fail_nth_write+0xb5/0x260 [ 58.823347] ? map_files_get_link+0x3a0/0x3a0 [ 58.827818] ? __lock_is_held+0xbc/0x140 [ 58.831853] ? fget_raw+0x20/0x20 [ 58.835284] ? lock_downgrade+0x980/0x980 [ 58.839400] ? kernel_read+0x120/0x120 [ 58.843261] ? __fdget+0x18/0x20 [ 58.846600] __sys_recvmsg+0xe2/0x210 [ 58.850366] ? __sys_recvmsg+0xe2/0x210 [ 58.854311] ? SyS_sendmmsg+0x60/0x60 [ 58.858083] ? __sb_end_write+0x9e/0xd0 [ 58.862025] ? vfs_write+0x22a/0x510 [ 58.865715] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.870703] SyS_recvmsg+0x2d/0x50 [ 58.874218] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 58.878954] RIP: 0033:0x440f09 [ 58.882109] RSP: 002b:00007fff6ddf3098 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 58.889784] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440f09 [ 58.897019] RDX: 0000000000000000 RSI: 00000000209c6fc8 RDI: 0000000000000004 [ 58.904254] RBP: 0000000000000005 R08: 0000000000000001 R09: 00000000021a0032 [ 58.911491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402830 [ 58.918726] R13: 00000000004028c0 R14: 0000000000000000 R15: 0000000000000000 [ 58.926337] kasan: CONFIG_KASAN_INLINE enabled [ 58.930914] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 58.938262] general protection fault: 0000 [#1] SMP KASAN [ 58.943765] Dumping ftrace buffer: [ 58.947266] (ftrace buffer empty) [ 58.950943] Modules linked in: [ 58.954101] CPU: 1 PID: 3084 Comm: syzkaller426369 Not tainted 4.15.0-rc1+ #203 [ 58.961510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.970830] task: 000000009887e938 task.stack: 00000000ae5f34d5 [ 58.976859] RIP: 0010:af_alg_free_areq_sgls+0x5d1/0xab0 [ 58.982186] RSP: 0018:ffff8801cc2d7790 EFLAGS: 00010246 [ 58.987514] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff8239cc1a [ 58.994752] RDX: 0000000000000000 RSI: ffffffff85f44540 RDI: 0000000000000000 [ 59.001989] RBP: ffff8801cc2d7988 R08: 1ffff1003985ae76 R09: 0000000000000000 [ 59.009225] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 59.016463] R13: 0000000000000000 R14: 00000000fffffff4 R15: ffffed003985af24 [ 59.023705] FS: 00000000021ae940(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 59.031894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.037741] CR2: 0000000020233fd0 CR3: 00000001cb97b000 CR4: 00000000001406e0 [ 59.044978] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.052212] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.059446] Call Trace: [ 59.062012] ? af_alg_unregister_type+0x3d0/0x3d0 [ 59.066827] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.071808] ? __kmalloc+0x471/0x760 [ 59.075489] ? null_compress+0x80/0x80 [ 59.079340] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 59.084493] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 59.089650] ? sock_kmalloc+0x112/0x190 [ 59.093590] ? sock_kmalloc+0x11f/0x190 [ 59.097541] ? copy_overflow+0x30/0x30 [ 59.101392] ? af_alg_count_tsgl+0x1a8/0x210 [ 59.105767] af_alg_free_resources+0x36/0x80 [ 59.110140] aead_recvmsg+0x14e1/0x1bc0 [ 59.114086] ? aead_release+0x50/0x50 [ 59.117855] ? selinux_socket_recvmsg+0x36/0x40 [ 59.122487] ? security_socket_recvmsg+0x91/0xc0 [ 59.127207] ? aead_release+0x50/0x50 [ 59.130975] sock_recvmsg+0xc9/0x110 [ 59.134652] ? __sock_recv_wifi_status+0x210/0x210 [ 59.139549] ___sys_recvmsg+0x29b/0x630 [ 59.143492] ? ___sys_sendmsg+0x8a0/0x8a0 [ 59.147609] ? get_pid_task+0xbc/0x140 [ 59.151465] ? proc_fail_nth_write+0xb5/0x260 [ 59.155923] ? map_files_get_link+0x3a0/0x3a0 [ 59.160383] ? __lock_is_held+0xbc/0x140 [ 59.164416] ? fget_raw+0x20/0x20 [ 59.167839] ? lock_downgrade+0x980/0x980 [ 59.171954] ? kernel_read+0x120/0x120 [ 59.175807] ? __fdget+0x18/0x20 [ 59.179140] __sys_recvmsg+0xe2/0x210 [ 59.182922] ? __sys_recvmsg+0xe2/0x210 [ 59.186862] ? SyS_sendmmsg+0x60/0x60 [ 59.190630] ? __sb_end_write+0x9e/0xd0 [ 59.194568] ? vfs_write+0x22a/0x510 [ 59.198253] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 59.203235] SyS_recvmsg+0x2d/0x50 [ 59.206742] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 59.211461] RIP: 0033:0x440f09 [ 59.214614] RSP: 002b:00007fff6ddf3098 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 59.222287] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440f09 [ 59.229522] RDX: 0000000000000000 RSI: 00000000209c6fc8 RDI: 0000000000000004 [ 59.236756] RBP: 0000000000000005 R08: 0000000000000001 R09: 00000000021a0032 [ 59.243990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402830 [ 59.251225] R13: 00000000004028c0 R14: 0000000000000000 R15: 0000000000000000 [ 59.258470] Code: 00 00 48 8d 45 98 48 bb 00 00 00 00 00 fc ff df 48 89 85 48 fe ff ff 48 c1 e8 03 4c 8d 3c 18 e8 16 2c 36 ff 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 0f 85 4b 03 00 00 49 8b 04 24 48 83 e0 fc 48 89 85 [ 59.277534] RIP: af_alg_free_areq_sgls+0x5d1/0xab0 RSP: ffff8801cc2d7790 [ 59.284376] ---[ end trace de1b188df438eb0f ]--- [ 59.289129] Kernel panic - not syncing: Fatal exception [ 59.294850] Dumping ftrace buffer: [ 59.298356] (ftrace buffer empty) [ 59.302032] Kernel Offset: disabled [ 59.305624] Rebooting in 86400 seconds..