Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. [ 52.404259][ T4820] systemd-udevd (4820) used greatest stack depth: 22016 bytes left Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.50' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 95.627634][ T6820] ------------[ cut here ]------------ [ 95.633247][ T6820] WARNING: CPU: 1 PID: 6820 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 95.641415][ T6820] Kernel panic - not syncing: panic_on_warn set ... [ 95.648039][ T6820] CPU: 1 PID: 6820 Comm: syz-executor841 Not tainted 5.7.0-rc7-next-20200529-syzkaller #0 [ 95.657937][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.667982][ T6820] Call Trace: [ 95.671274][ T6820] dump_stack+0x18f/0x20d [ 95.675592][ T6820] ? idr_alloc+0x80/0x130 [ 95.679944][ T6820] panic+0x2e3/0x75c [ 95.683849][ T6820] ? __warn_printk+0xf3/0xf3 [ 95.688432][ T6820] ? printk+0xba/0xed [ 95.692417][ T6820] ? log_store.cold+0x16/0x16 [ 95.697080][ T6820] ? __warn.cold+0x14/0x3a [ 95.701505][ T6820] ? __warn+0xd6/0x1b2 [ 95.705562][ T6820] ? idr_alloc+0x11c/0x130 [ 95.709987][ T6820] __warn.cold+0x2f/0x3a [ 95.714231][ T6820] ? idr_alloc+0x11c/0x130 [ 95.718648][ T6820] report_bug+0x27b/0x2f0 [ 95.723030][ T6820] do_error_trap+0x153/0x2b0 [ 95.727701][ T6820] ? idr_alloc+0x11c/0x130 [ 95.732104][ T6820] exc_invalid_op+0x37/0x50 [ 95.736742][ T6820] ? idr_alloc+0x11c/0x130 [ 95.741163][ T6820] asm_exc_invalid_op+0x12/0x20 [ 95.746002][ T6820] RIP: 0010:idr_alloc+0x11c/0x130 [ 95.751012][ T6820] Code: 00 00 00 44 89 e0 48 8b 4c 24 58 65 48 33 0c 25 28 00 00 00 75 1e 48 83 c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 04 cd c2 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 15 5f 2f 04 0f 1f 44 00 00 41 57 [ 95.770612][ T6820] RSP: 0018:ffffc90001577c80 EFLAGS: 00010293 [ 95.776834][ T6820] RAX: ffff888095124300 RBX: 00000000ffff0301 RCX: ffffffff83b02dfb [ 95.784851][ T6820] RDX: 0000000000000000 RSI: ffffffff83b02e9c RDI: 0000000000000005 [ 95.792863][ T6820] RBP: 1ffff920002aef90 R08: ffff888095124300 R09: ffffed1015440d57 [ 95.800826][ T6820] R10: ffff8880aa206ab3 R11: ffffed1015440d56 R12: 00000000ffff0300 [ 95.808926][ T6820] R13: ffffffff8aa588e0 R14: ffff8880a91be040 R15: 0000000000000a20 [ 95.816905][ T6820] ? idr_alloc+0x7b/0x130 [ 95.821280][ T6820] ? idr_alloc+0x11c/0x130 [ 95.825688][ T6820] ? idr_alloc_u32+0x2d0/0x2d0 [ 95.830445][ T6820] ? security_capable+0x8e/0xc0 [ 95.835287][ T6820] __qrtr_bind.isra.0+0x12e/0x5c0 [ 95.840299][ T6820] ? qrtr_release+0x2a0/0x2a0 [ 95.844965][ T6820] ? __local_bh_enable_ip+0x159/0x270 [ 95.850326][ T6820] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 95.856292][ T6820] ? lock_sock_nested+0x94/0x110 [ 95.861229][ T6820] ? lock_sock_nested+0x94/0x110 [ 95.866182][ T6820] qrtr_bind+0x1c1/0x24a [ 95.870411][ T6820] ? security_socket_bind+0x82/0xb0 [ 95.875599][ T6820] __sys_bind+0x20e/0x250 [ 95.879917][ T6820] ? __ia32_sys_socketpair+0xf0/0xf0 [ 95.885187][ T6820] ? prepare_exit_to_usermode+0xa/0x30 [ 95.890658][ T6820] ? check_preemption_disabled+0x38/0x220 [ 95.896391][ T6820] ? do_syscall_64+0x17/0xe0 [ 95.900989][ T6820] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.906520][ T6820] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 95.912488][ T6820] ? do_syscall_64+0x1c/0xe0 [ 95.917067][ T6820] __x64_sys_bind+0x6f/0xb0 [ 95.921568][ T6820] do_syscall_64+0x60/0xe0 [ 95.925971][ T6820] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.931865][ T6820] RIP: 0033:0x4402a9 [ 95.935772][ T6820] Code: 23 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 9b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.955361][ T6820] RSP: 002b:00007ffc0349ca88 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 95.963756][ T6820] RAX: ffffffffffffffda RBX: 00007ffc0349ca90 RCX: 00000000004402a9 [ 95.971743][ T6820] RDX: 000000000000000c RSI: 0000000020000040 RDI: 0000000000000003 [ 95.979733][ T6820] RBP: 00000000006cb018 R08: 6c616b7a79732f2e R09: 6c616b7a79732f2e [ 95.987719][ T6820] R10: 0000000000004dc0 R11: 0000000000000246 R12: 0000000000401ad0 [ 95.995677][ T6820] R13: 0000000000401b60 R14: 0000000000000000 R15: 0000000000000000 [ 96.004559][ T6820] Kernel Offset: disabled [ 96.008951][ T6820] Rebooting in 86400 seconds..