[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.915221][ T6803] ------------[ cut here ]------------ [ 53.920798][ T6803] WARNING: CPU: 1 PID: 6803 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 53.930191][ T6803] Kernel panic - not syncing: panic_on_warn set ... [ 53.936842][ T6803] CPU: 1 PID: 6803 Comm: syz-executor606 Not tainted 5.8.0-rc4-syzkaller #0 [ 53.945489][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.955520][ T6803] Call Trace: [ 53.958840][ T6803] dump_stack+0x18f/0x20d [ 53.963150][ T6803] panic+0x2e3/0x75c [ 53.967022][ T6803] ? __warn_printk+0xf3/0xf3 [ 53.971634][ T6803] ? printk+0xba/0xed [ 53.975594][ T6803] ? log_store.cold+0x16/0x16 [ 53.980243][ T6803] ? __warn.cold+0x5/0x45 [ 53.984546][ T6803] ? __warn+0xd6/0x1f2 [ 53.988611][ T6803] ? idr_alloc+0x11c/0x130 [ 53.993041][ T6803] __warn.cold+0x20/0x45 [ 53.997260][ T6803] ? idr_alloc+0x11c/0x130 [ 54.001652][ T6803] report_bug+0x1bd/0x210 [ 54.005960][ T6803] handle_bug+0x38/0x90 [ 54.010089][ T6803] exc_invalid_op+0x13/0x40 [ 54.014567][ T6803] asm_exc_invalid_op+0x12/0x20 [ 54.019392][ T6803] RIP: 0010:idr_alloc+0x11c/0x130 [ 54.024403][ T6803] Code: 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 21 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 54 19 c6 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 45 0c 38 04 0f 1f 44 00 00 41 57 [ 54.044008][ T6803] RSP: 0018:ffffc90001577c80 EFLAGS: 00010293 [ 54.050134][ T6803] RAX: 0000000000000000 RBX: 00000000ffffe001 RCX: ffffffff83ada00b [ 54.058092][ T6803] RDX: ffff88808ba600c0 RSI: ffffffff83ada0ac RDI: 0000000000000005 [ 54.066039][ T6803] RBP: 1ffff920002aef90 R08: 0000000000000a20 R09: ffff8880aa208ab3 [ 54.073987][ T6803] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffe000 [ 54.081931][ T6803] R13: ffffffff8aa64d00 R14: ffff888096bb3640 R15: 0000000000000a20 [ 54.089891][ T6803] ? idr_alloc+0x7b/0x130 [ 54.094194][ T6803] ? idr_alloc+0x11c/0x130 [ 54.098588][ T6803] ? idr_alloc_u32+0x2d0/0x2d0 [ 54.103325][ T6803] ? security_capable+0x8f/0xc0 [ 54.108155][ T6803] __qrtr_bind.isra.0+0x12e/0x5c0 [ 54.113153][ T6803] ? qrtr_release+0x2a0/0x2a0 [ 54.117805][ T6803] ? __local_bh_enable_ip+0x159/0x250 [ 54.123149][ T6803] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.129105][ T6803] ? lock_sock_nested+0x94/0x110 [ 54.134015][ T6803] ? trace_hardirqs_on+0x5f/0x220 [ 54.139034][ T6803] qrtr_bind+0x1c1/0x250 [ 54.143253][ T6803] ? security_socket_bind+0x83/0xb0 [ 54.148437][ T6803] __sys_bind+0x1e9/0x250 [ 54.152739][ T6803] ? __ia32_sys_socketpair+0xf0/0xf0 [ 54.157996][ T6803] ? _down_write_nest_lock+0x150/0x150 [ 54.163430][ T6803] ? vmacache_update+0xce/0x140 [ 54.168258][ T6803] ? lock_is_held_type+0xb0/0xe0 [ 54.173175][ T6803] ? lock_is_held_type+0xb0/0xe0 [ 54.178095][ T6803] ? do_syscall_64+0x1c/0xe0 [ 54.182658][ T6803] __x64_sys_bind+0x6f/0xb0 [ 54.187135][ T6803] ? lockdep_hardirqs_on+0x6a/0xe0 [ 54.192262][ T6803] do_syscall_64+0x60/0xe0 [ 54.196658][ T6803] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.202522][ T6803] RIP: 0033:0x440229 [ 54.206386][ T6803] Code: Bad RIP value. [ 54.210445][ T6803] RSP: 002b:00007ffd273c75f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 54.218835][ T6803] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440229 [ 54.226783][ T6803] RDX: 000000000000000c RSI: 0000000020001380 RDI: 0000000000000003 [ 54.234729][ T6803] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 54.242674][ T6803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 54.250620][ T6803] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 54.259963][ T6803] Kernel Offset: disabled [ 54.264340][ T6803] Rebooting in 86400 seconds..