[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 61.306328][ T6920] ------------[ cut here ]------------ [ 61.311930][ T6920] WARNING: CPU: 0 PID: 6920 at lib/idr.c:84 idr_alloc+0x11c/0x130 [ 61.321471][ T6920] Kernel panic - not syncing: panic_on_warn set ... [ 61.328097][ T6920] CPU: 0 PID: 6920 Comm: syz-executor471 Not tainted 5.8.0-rc5-syzkaller #0 [ 61.336762][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.346834][ T6920] Call Trace: [ 61.350110][ T6920] dump_stack+0x18f/0x20d [ 61.354444][ T6920] panic+0x2e3/0x75c [ 61.358321][ T6920] ? __warn_printk+0xf3/0xf3 [ 61.362906][ T6920] ? printk+0xba/0xed [ 61.367146][ T6920] ? log_store.cold+0x16/0x16 [ 61.371936][ T6920] ? __warn.cold+0x5/0x45 [ 61.376249][ T6920] ? __warn+0xd6/0x1f2 [ 61.380312][ T6920] ? idr_alloc+0x11c/0x130 [ 61.384713][ T6920] __warn.cold+0x20/0x45 [ 61.388960][ T6920] ? idr_alloc+0x11c/0x130 [ 61.393374][ T6920] report_bug+0x1bd/0x210 [ 61.397706][ T6920] handle_bug+0x38/0x90 [ 61.401846][ T6920] exc_invalid_op+0x13/0x40 [ 61.406458][ T6920] asm_exc_invalid_op+0x12/0x20 [ 61.411302][ T6920] RIP: 0010:idr_alloc+0x11c/0x130 [ 61.416309][ T6920] 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 a4 18 c6 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 95 0b 38 04 0f 1f 44 00 00 41 57 [ 61.435911][ T6920] RSP: 0018:ffffc90000f87c80 EFLAGS: 00010293 [ 61.441987][ T6920] RAX: 0000000000000000 RBX: 00000000ffffe001 RCX: ffffffff83ada0bb [ 61.449964][ T6920] RDX: ffff8880a1dfc300 RSI: ffffffff83ada15c RDI: 0000000000000005 [ 61.457930][ T6920] RBP: 1ffff920001f0f90 R08: 0000000000000a20 R09: ffff8880aa208ab3 [ 61.465905][ T6920] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffe000 [ 61.473883][ T6920] R13: ffffffff8aa64f00 R14: ffff88808da7b640 R15: 0000000000000a20 [ 61.483621][ T6920] ? idr_alloc+0x7b/0x130 [ 61.487960][ T6920] ? idr_alloc+0x11c/0x130 [ 61.492428][ T6920] ? idr_alloc_u32+0x2d0/0x2d0 [ 61.497221][ T6920] ? security_capable+0x8f/0xc0 [ 61.502073][ T6920] __qrtr_bind.isra.0+0x12e/0x5c0 [ 61.507108][ T6920] ? qrtr_release+0x2a0/0x2a0 [ 61.511787][ T6920] ? __local_bh_enable_ip+0x159/0x250 [ 61.517243][ T6920] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.523223][ T6920] ? lock_sock_nested+0x94/0x110 [ 61.528193][ T6920] ? trace_hardirqs_on+0x5f/0x220 [ 61.533240][ T6920] qrtr_bind+0x1c1/0x250 [ 61.537480][ T6920] ? security_socket_bind+0x83/0xb0 [ 61.542674][ T6920] __sys_bind+0x1e9/0x250 [ 61.547020][ T6920] ? __ia32_sys_socketpair+0xf0/0xf0 [ 61.552303][ T6920] ? _down_write_nest_lock+0x150/0x150 [ 61.557760][ T6920] ? vmacache_update+0xce/0x140 [ 61.562621][ T6920] ? lock_is_held_type+0xb0/0xe0 [ 61.567561][ T6920] ? lock_is_held_type+0xb0/0xe0 [ 61.572526][ T6920] ? do_syscall_64+0x1c/0xe0 [ 61.577119][ T6920] __x64_sys_bind+0x6f/0xb0 [ 61.581636][ T6920] ? lockdep_hardirqs_on+0x6a/0xe0 [ 61.586771][ T6920] do_syscall_64+0x60/0xe0 [ 61.591186][ T6920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.597175][ T6920] RIP: 0033:0x440229 [ 61.601045][ T6920] Code: Bad RIP value. [ 61.605097][ T6920] RSP: 002b:00007ffe29bad2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 61.613510][ T6920] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440229 [ 61.621549][ T6920] RDX: 000000000000000c RSI: 0000000020001380 RDI: 0000000000000003 [ 61.629521][ T6920] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 61.637492][ T6920] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 61.645454][ T6920] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 61.654742][ T6920] Kernel Offset: disabled [ 61.663922][ T6920] Rebooting in 86400 seconds..