Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.589503][ C0] ------------[ cut here ]------------ [ 58.589508][ C0] WARNING: CPU: 0 PID: 6839 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 58.589511][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 58.589514][ C0] CPU: 0 PID: 6839 Comm: syz-executor367 Not tainted 5.8.0-rc1-syzkaller #0 [ 58.589518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.589520][ C0] Call Trace: [ 58.589521][ C0] dump_stack+0x18f/0x20d [ 58.589523][ C0] panic+0x2e3/0x75c [ 58.589525][ C0] ? __warn_printk+0xf3/0xf3 [ 58.589527][ C0] ? printk+0xba/0xed [ 58.589529][ C0] ? log_store.cold+0x16/0x16 [ 58.589530][ C0] ? __warn.cold+0x5/0x45 [ 58.589532][ C0] ? __warn+0xd6/0x1f2 [ 58.589534][ C0] ? idr_alloc+0x11c/0x130 [ 58.589536][ C0] __warn.cold+0x20/0x45 [ 58.589538][ C0] ? idr_alloc+0x11c/0x130 [ 58.589539][ C0] report_bug+0x1bd/0x210 [ 58.589541][ C0] exc_invalid_op+0x24d/0x400 [ 58.589543][ C0] ? exc_overflow+0x40/0x40 [ 58.589545][ C0] asm_exc_invalid_op+0x12/0x20 [ 58.589547][ C0] RIP: 0010:idr_alloc+0x11c/0x130 [ 58.589555][ C0] 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 [ 58.589557][ C0] RSP: 0018:ffffc900015d7c80 EFLAGS: 00010293 [ 58.589562][ C0] RAX: 0000000000000000 RBX: 00000000ffff0301 RCX: ffffffff83acf9eb [ 58.589565][ C0] RDX: ffff88809307e000 RSI: ffffffff83acfa8c RDI: 0000000000000005 [ 58.589568][ C0] RBP: 1ffff920002baf90 R08: 0000000000000a20 R09: ffff8880aa208ab3 [ 58.589571][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffff0300 [ 58.589575][ C0] R13: ffffffff8aa5aa40 R14: ffff888096201640 R15: 0000000000000a20 [ 58.589576][ C0] ? idr_alloc+0x7b/0x130 [ 58.589578][ C0] ? idr_alloc+0x11c/0x130 [ 58.589580][ C0] ? idr_alloc_u32+0x2d0/0x2d0 [ 58.589582][ C0] ? security_capable+0x8f/0xc0 [ 58.589584][ C0] __qrtr_bind.isra.0+0x12e/0x5c0 [ 58.589586][ C0] ? qrtr_release+0x2a0/0x2a0 [ 58.589588][ C0] ? __local_bh_enable_ip+0x159/0x250 [ 58.589591][ C0] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.589593][ C0] ? lock_sock_nested+0x94/0x110 [ 58.589595][ C0] ? lock_sock_nested+0x94/0x110 [ 58.589596][ C0] qrtr_bind+0x1c1/0x250 [ 58.589599][ C0] ? security_socket_bind+0x83/0xb0 [ 58.589600][ C0] __sys_bind+0x1e9/0x250 [ 58.589603][ C0] ? __ia32_sys_socketpair+0xf0/0xf0 [ 58.589605][ C0] ? check_preemption_disabled+0x38/0x220 [ 58.589607][ C0] ? prepare_exit_to_usermode+0xa/0x30 [ 58.589609][ C0] ? check_preemption_disabled+0x38/0x220 [ 58.589611][ C0] ? do_syscall_64+0x1c/0xe0 [ 58.589613][ C0] __x64_sys_bind+0x6f/0xb0 [ 58.589615][ C0] do_syscall_64+0x60/0xe0 [ 58.589617][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.589619][ C0] RIP: 0033:0x4401a9 [ 58.589621][ C0] Code: Bad RIP value. [ 58.589623][ C0] RSP: 002b:00007ffdaf785868 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 58.589628][ C0] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9 [ 58.589632][ C0] RDX: 000000000000000c RSI: 0000000020000040 RDI: 0000000000000003 [ 58.589635][ C0] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 58.589638][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 58.589641][ C0] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 58.590942][ C0] Kernel Offset: disabled