[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 67.027614][ T6856] ------------[ cut here ]------------ [ 67.033160][ T6856] WARNING: CPU: 1 PID: 6856 at lib/idr.c:269 idr_get_next+0x11f/0x150 [ 67.041704][ T6856] Kernel panic - not syncing: panic_on_warn set ... [ 67.048349][ T6856] CPU: 1 PID: 6856 Comm: syz-executor827 Not tainted 5.9.0-rc2-syzkaller #0 [ 67.057005][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.067045][ T6856] Call Trace: [ 67.070330][ T6856] dump_stack+0x18f/0x20d [ 67.074676][ T6856] panic+0x2e3/0x75c [ 67.078558][ T6856] ? __warn_printk+0xf3/0xf3 [ 67.083136][ T6856] ? printk+0xba/0xed [ 67.087104][ T6856] ? log_store.cold+0x16/0x16 [ 67.091778][ T6856] ? __warn.cold+0x5/0x4a [ 67.096084][ T6856] ? __warn+0xd6/0x1f2 [ 67.100130][ T6856] ? idr_get_next+0x11f/0x150 [ 67.104818][ T6856] __warn.cold+0x20/0x4a [ 67.109084][ T6856] ? idr_get_next+0x11f/0x150 [ 67.113764][ T6856] report_bug+0x1bd/0x210 [ 67.118091][ T6856] handle_bug+0x38/0x90 [ 67.122250][ T6856] exc_invalid_op+0x14/0x40 [ 67.126743][ T6856] asm_exc_invalid_op+0x12/0x20 [ 67.131571][ T6856] RIP: 0010:idr_get_next+0x11f/0x150 [ 67.136853][ T6856] Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 31 48 83 c4 60 4c 89 e0 5b 5d 41 5c 41 5d c3 e8 11 0c c2 fd <0f> 0b 45 31 e4 eb be 48 89 df e8 82 24 02 fe e9 50 ff ff ff 48 89 [ 67.156547][ T6856] RSP: 0018:ffffc90005317c88 EFLAGS: 00010293 [ 67.162590][ T6856] RAX: 0000000000000000 RBX: ffffc90005317d40 RCX: ffffffff83b2328d [ 67.170542][ T6856] RDX: ffff8880946f0380 RSI: ffffffff83b232ff RDI: 0000000000000007 [ 67.178509][ T6856] RBP: 1ffff92000a62f91 R08: 0000000000000000 R09: ffffffff8aa9a687 [ 67.186467][ T6856] R10: 000000007fffffff R11: 0000000000000000 R12: ffff888094d57640 [ 67.194417][ T6856] R13: 00000000fffffffc R14: 00000000fffffffe R15: ffffc90005317d40 [ 67.202379][ T6856] ? idr_get_next+0xad/0x150 [ 67.207017][ T6856] ? idr_get_next+0x11f/0x150 [ 67.211674][ T6856] ? idr_get_next+0x11f/0x150 [ 67.216327][ T6856] ? idr_get_next_ul+0x2a0/0x2a0 [ 67.221254][ T6856] __qrtr_bind.isra.0+0x3e4/0x650 [ 67.226262][ T6856] ? qrtr_release+0x330/0x330 [ 67.230932][ T6856] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 67.236887][ T6856] ? lock_sock_nested+0x94/0x110 [ 67.241809][ T6856] ? trace_hardirqs_on+0x5f/0x220 [ 67.246812][ T6856] qrtr_bind+0x1c1/0x250 [ 67.251044][ T6856] ? security_socket_bind+0x83/0xb0 [ 67.256232][ T6856] __sys_bind+0x1e9/0x250 [ 67.260539][ T6856] ? __ia32_sys_socketpair+0xf0/0xf0 [ 67.265800][ T6856] ? _down_write_nest_lock+0x150/0x150 [ 67.271235][ T6856] ? vmacache_update+0xce/0x140 [ 67.276068][ T6856] ? lock_is_held_type+0xbb/0xf0 [ 67.280995][ T6856] ? syscall_enter_from_user_mode+0x20/0x290 [ 67.286952][ T6856] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 67.292907][ T6856] ? trace_hardirqs_on+0x5f/0x220 [ 67.297906][ T6856] __x64_sys_bind+0x6f/0xb0 [ 67.302396][ T6856] do_syscall_64+0x2d/0x70 [ 67.306806][ T6856] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.312680][ T6856] RIP: 0033:0x441239 [ 67.316553][ T6856] Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.336132][ T6856] RSP: 002b:00007ffc90f687f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 67.344532][ T6856] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441239 [ 67.352490][ T6856] RDX: 000000000000000c RSI: 0000000020000140 RDI: 0000000000000003 [ 67.360438][ T6856] RBP: 00000000000105d7 R08: 00000000004002c8 R09: 00000000004002c8 [ 67.368389][ T6856] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401fe0 [ 67.376335][ T6856] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 67.385834][ T6856] Kernel Offset: disabled [ 67.390195][ T6856] Rebooting in 86400 seconds..