[ 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 '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 64.622528][ C1] ------------[ cut here ]------------ [ 64.622533][ C1] WARNING: CPU: 1 PID: 6812 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 64.622536][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 64.622539][ C1] CPU: 1 PID: 6812 Comm: syz-executor953 Not tainted 5.8.0-rc1-syzkaller #0 [ 64.622543][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.622544][ C1] Call Trace: [ 64.622546][ C1] dump_stack+0x18f/0x20d [ 64.622548][ C1] panic+0x2e3/0x75c [ 64.622550][ C1] ? __warn_printk+0xf3/0xf3 [ 64.622551][ C1] ? printk+0xba/0xed [ 64.622553][ C1] ? log_store.cold+0x16/0x16 [ 64.622555][ C1] ? __warn.cold+0x5/0x45 [ 64.622557][ C1] ? __warn+0xd6/0x1f2 [ 64.622559][ C1] ? idr_alloc+0x11c/0x130 [ 64.622560][ C1] __warn.cold+0x20/0x45 [ 64.622562][ C1] ? idr_alloc+0x11c/0x130 [ 64.622564][ C1] report_bug+0x1bd/0x210 [ 64.622566][ C1] exc_invalid_op+0x24d/0x400 [ 64.622568][ C1] ? exc_overflow+0x40/0x40 [ 64.622570][ C1] asm_exc_invalid_op+0x12/0x20 [ 64.622572][ C1] RIP: 0010:idr_alloc+0x11c/0x130 [ 64.622579][ C1] 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 e4 55 c6 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 c5 6a 37 04 0f 1f 44 00 00 41 57 [ 64.622582][ C1] RSP: 0018:ffffc900015e7c80 EFLAGS: 00010293 [ 64.622586][ C1] RAX: 0000000000000000 RBX: 00000000ffff0301 RCX: ffffffff83acf9eb [ 64.622590][ C1] RDX: ffff888092364400 RSI: ffffffff83acfa8c RDI: 0000000000000005 [ 64.622593][ C1] RBP: 1ffff920002bcf90 R08: 0000000000000a20 R09: ffff8880aa208ab3 [ 64.622596][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffff0300 [ 64.622599][ C1] R13: ffffffff8aa5aa40 R14: ffff88809d637640 R15: 0000000000000a20 [ 64.622601][ C1] ? idr_alloc+0x7b/0x130 [ 64.622603][ C1] ? idr_alloc+0x11c/0x130 [ 64.622605][ C1] ? idr_alloc_u32+0x2d0/0x2d0 [ 64.622606][ C1] ? security_capable+0x8f/0xc0 [ 64.622609][ C1] __qrtr_bind.isra.0+0x12e/0x5c0 [ 64.622610][ C1] ? qrtr_release+0x2a0/0x2a0 [ 64.622613][ C1] ? __local_bh_enable_ip+0x159/0x250 [ 64.622615][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.622617][ C1] ? lock_sock_nested+0x94/0x110 [ 64.622619][ C1] ? lock_sock_nested+0x94/0x110 [ 64.622621][ C1] qrtr_bind+0x1c1/0x250 [ 64.622623][ C1] ? security_socket_bind+0x83/0xb0 [ 64.622625][ C1] __sys_bind+0x1e9/0x250 [ 64.622627][ C1] ? __ia32_sys_socketpair+0xf0/0xf0 [ 64.622629][ C1] ? check_preemption_disabled+0x38/0x220 [ 64.622631][ C1] ? prepare_exit_to_usermode+0xa/0x30 [ 64.622634][ C1] ? check_preemption_disabled+0x38/0x220 [ 64.622636][ C1] ? do_syscall_64+0x1c/0xe0 [ 64.622637][ C1] __x64_sys_bind+0x6f/0xb0 [ 64.622639][ C1] do_syscall_64+0x60/0xe0 [ 64.622642][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.622643][ C1] RIP: 0033:0x4401a9 [ 64.622645][ C1] Code: Bad RIP value. [ 64.622647][ C1] RSP: 002b:00007ffef0901888 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 64.622653][ C1] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9 [ 64.622656][ C1] RDX: 000000000000000c RSI: 0000000020000040 RDI: 0000000000000003 [ 64.622659][ C1] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 64.622662][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 64.622665][ C1] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 64.624103][ C1] Kernel Offset: disabled