[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.871585][ T6784] ------------[ cut here ]------------ [ 59.877359][ T6784] WARNING: CPU: 0 PID: 6784 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 59.885138][ T6784] Kernel panic - not syncing: panic_on_warn set ... [ 59.891704][ T6784] CPU: 0 PID: 6784 Comm: syz-executor778 Not tainted 5.7.0-syzkaller #0 [ 59.900002][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.910043][ T6784] Call Trace: [ 59.913342][ T6784] dump_stack+0x188/0x20d [ 59.917772][ T6784] ? idr_alloc+0x110/0x130 [ 59.922175][ T6784] panic+0x2e3/0x75c [ 59.926053][ T6784] ? add_taint.cold+0x16/0x16 [ 59.930838][ T6784] ? printk+0xba/0xed [ 59.934798][ T6784] ? log_store.cold+0x16/0x16 [ 59.939455][ T6784] ? __warn.cold+0x14/0x35 [ 59.943856][ T6784] ? __warn+0xd5/0x1c8 [ 59.947915][ T6784] ? idr_alloc+0x11c/0x130 [ 59.952312][ T6784] __warn.cold+0x2f/0x35 [ 59.956540][ T6784] ? idr_alloc+0x11c/0x130 [ 59.960937][ T6784] report_bug+0x27b/0x2f0 [ 59.965250][ T6784] do_error_trap+0x12b/0x220 [ 59.969817][ T6784] ? idr_alloc+0x11c/0x130 [ 59.974233][ T6784] do_invalid_op+0x32/0x40 [ 59.978645][ T6784] ? idr_alloc+0x11c/0x130 [ 59.983142][ T6784] invalid_op+0x23/0x30 [ 59.987282][ T6784] RIP: 0010:idr_alloc+0x11c/0x130 [ 59.992397][ T6784] 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 b4 6d c4 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 f5 6c 95 fd 0f 1f 44 00 00 41 57 [ 60.012003][ T6784] RSP: 0018:ffffc90000eb7c68 EFLAGS: 00010293 [ 60.018069][ T6784] RAX: ffff8880a8d96300 RBX: 00000000ffff0301 RCX: ffffffff83af606b [ 60.026025][ T6784] RDX: 0000000000000000 RSI: ffffffff83af610c RDI: 0000000000000005 [ 60.033978][ T6784] RBP: 1ffff920001d6f8d R08: ffff8880a8d96300 R09: ffffed1015440957 [ 60.041951][ T6784] R10: ffff8880aa204ab3 R11: ffffed1015440956 R12: 00000000ffff0300 [ 60.049923][ T6784] R13: ffffffff8a837ae0 R14: ffff8880a9182040 R15: 0000000000000a20 [ 60.057894][ T6784] ? idr_alloc+0x7b/0x130 [ 60.062207][ T6784] ? idr_alloc+0x11c/0x130 [ 60.066637][ T6784] ? idr_alloc+0x11c/0x130 [ 60.071034][ T6784] ? idr_alloc_u32+0x2d0/0x2d0 [ 60.075778][ T6784] ? security_capable+0x8e/0xc0 [ 60.080613][ T6784] __qrtr_bind.isra.0+0x12e/0x5c0 [ 60.085620][ T6784] ? qrtr_release+0x2a0/0x2a0 [ 60.090302][ T6784] ? __local_bh_enable_ip+0x159/0x270 [ 60.095656][ T6784] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.101617][ T6784] ? lock_sock_nested+0x94/0x110 [ 60.106534][ T6784] ? lock_sock_nested+0x94/0x110 [ 60.111449][ T6784] qrtr_bind+0x1c1/0x24a [ 60.115701][ T6784] ? security_socket_bind+0x82/0xb0 [ 60.120903][ T6784] __sys_bind+0x20e/0x250 [ 60.125234][ T6784] ? __ia32_sys_socketpair+0xf0/0xf0 [ 60.130530][ T6784] ? down_read_nested+0x420/0x420 [ 60.135537][ T6784] ? vmacache_update+0xce/0x140 [ 60.140371][ T6784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.148679][ T6784] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.154640][ T6784] ? do_syscall_64+0x21/0x7d0 [ 60.159322][ T6784] __x64_sys_bind+0x6f/0xb0 [ 60.163817][ T6784] do_syscall_64+0xf6/0x7d0 [ 60.168314][ T6784] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.174192][ T6784] RIP: 0033:0x4401a9 [ 60.178082][ T6784] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.197669][ T6784] RSP: 002b:00007fff104a4e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 60.206062][ T6784] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9 [ 60.214013][ T6784] RDX: 000000000000000c RSI: 0000000020000040 RDI: 0000000000000003 [ 60.221968][ T6784] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 60.229931][ T6784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 60.237916][ T6784] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 60.247363][ T6784] Kernel Offset: disabled [ 60.251752][ T6784] Rebooting in 86400 seconds..