[ 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 '10.128.0.7' (ECDSA) to the list of known hosts. syzkaller login: [ 60.056869][ T8397] IPVS: ftp: loaded support on port[0] = 21 [ 60.139881][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.148015][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 60.193399][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.204305][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.213322][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.222773][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.234708][ T8397] FAULT_INJECTION: forcing a failure. [ 60.234708][ T8397] name failslab, interval 1, probability 0, space 0, times 1 [ 60.248544][ T8397] CPU: 0 PID: 8397 Comm: syz-executor469 Not tainted 5.12.0-syzkaller #0 [ 60.257535][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.268122][ T8397] Call Trace: [ 60.271379][ T8397] dump_stack+0x141/0x1d7 [ 60.275705][ T8397] should_fail.cold+0x5/0xa [ 60.280586][ T8397] ? io_rsrc_node_switch_start.part.0+0x43/0x250 [ 60.286895][ T8397] should_failslab+0x5/0x10 [ 60.291379][ T8397] kmem_cache_alloc_trace+0x55/0x290 [ 60.296650][ T8397] io_rsrc_node_switch_start.part.0+0x43/0x250 [ 60.302787][ T8397] io_uring_setup+0x1dd6/0x2a80 [ 60.307618][ T8397] ? __context_tracking_exit+0xb8/0xe0 [ 60.313057][ T8397] ? io_connect+0x680/0x680 [ 60.317563][ T8397] ? syscall_enter_from_user_mode+0x27/0x70 [ 60.323447][ T8397] do_syscall_64+0x3a/0xb0 [ 60.327843][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.333719][ T8397] RIP: 0033:0x440a49 [ 60.337591][ T8397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.357176][ T8397] RSP: 002b:00007fff0b88f008 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 60.365567][ T8397] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440a49 [ 60.373516][ T8397] RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000182 [ 60.381464][ T8397] RBP: 00007fff0b88f050 R08: 0000000000000001 R09: 00007fff0b88f038 [ 60.389500][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 60.397623][ T8397] R13: 00007fff0b88f03a R14: 00000000004b74b0 R15: 000000000000000c [ 60.407516][ T8397] ------------[ cut here ]------------ [ 60.413031][ T8397] WARNING: CPU: 0 PID: 8397 at fs/io_uring.c:7081 io_rsrc_node_switch+0x2a5/0x390 [ 60.422467][ T8397] Modules linked in: [ 60.426366][ T8397] CPU: 0 PID: 8397 Comm: syz-executor469 Not tainted 5.12.0-syzkaller #0 [ 60.434955][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.445067][ T8397] RIP: 0010:io_rsrc_node_switch+0x2a5/0x390 [ 60.451009][ T8397] Code: ff 4d 85 e4 74 a4 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f e9 fc 00 99 ff e8 f7 00 99 ff 0f 0b e9 ee fd ff ff e8 eb 00 99 ff <0f> 0b e9 9d fd ff ff 4c 89 f7 e8 7c e0 dc ff eb 8b 4c 89 ef e8 72 [ 60.470676][ T8397] RSP: 0018:ffffc9000164fd90 EFLAGS: 00010293 [ 60.476736][ T8397] RAX: 0000000000000000 RBX: ffff8880196fe000 RCX: 0000000000000000 [ 60.484758][ T8397] RDX: ffff88801c7a1c40 RSI: ffffffff81db5d25 RDI: ffff8880196fe000 [ 60.492784][ T8397] RBP: 0000000000000000 R08: 0000000000000dc0 R09: ffffffff8c0b37d3 [ 60.500791][ T8397] R10: fffffbfff18166fa R11: 0000000000000000 R12: 0000000000000000 [ 60.508754][ T8397] R13: 0000000000000000 R14: ffff8880196fe808 R15: 0000000000000000 [ 60.516951][ T8397] FS: 0000000001485300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 60.525966][ T8397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.533354][ T8397] CR2: 00000000200002c4 CR3: 00000000160b2000 CR4: 0000000000350ef0 [ 60.541502][ T8397] Call Trace: [ 60.544790][ T8397] ? __kasan_kmalloc+0xad/0xc0 [ 60.549608][ T8397] io_uring_setup+0xf75/0x2a80 [ 60.554370][ T8397] ? __context_tracking_exit+0xb8/0xe0 [ 60.559860][ T8397] ? io_connect+0x680/0x680 [ 60.564365][ T8397] ? syscall_enter_from_user_mode+0x27/0x70 [ 60.570306][ T8397] do_syscall_64+0x3a/0xb0 [ 60.574720][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.580873][ T8397] RIP: 0033:0x440a49 [ 60.584763][ T8397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.605130][ T8397] RSP: 002b:00007fff0b88f008 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 60.613904][ T8397] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440a49 [ 60.622121][ T8397] RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000182 [ 60.630135][ T8397] RBP: 00007fff0b88f050 R08: 0000000000000001 R09: 00007fff0b88f038 [ 60.638100][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 60.646581][ T8397] R13: 00007fff0b88f03a R14: 00000000004b74b0 R15: 000000000000000c [ 60.654628][ T8397] Kernel panic - not syncing: panic_on_warn set ... [ 60.661248][ T8397] CPU: 0 PID: 8397 Comm: syz-executor469 Not tainted 5.12.0-syzkaller #0 [ 60.669656][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.679703][ T8397] Call Trace: [ 60.682961][ T8397] dump_stack+0x141/0x1d7 [ 60.687269][ T8397] panic+0x306/0x73d [ 60.691140][ T8397] ? __warn_printk+0xf3/0xf3 [ 60.695715][ T8397] ? __warn.cold+0x1a/0x44 [ 60.700108][ T8397] ? io_rsrc_node_switch+0x2a5/0x390 [ 60.705391][ T8397] __warn.cold+0x35/0x44 [ 60.709611][ T8397] ? io_rsrc_node_switch+0x2a5/0x390 [ 60.714873][ T8397] report_bug+0x1bd/0x210 [ 60.719200][ T8397] handle_bug+0x3c/0x60 [ 60.723336][ T8397] exc_invalid_op+0x14/0x40 [ 60.727817][ T8397] asm_exc_invalid_op+0x12/0x20 [ 60.732647][ T8397] RIP: 0010:io_rsrc_node_switch+0x2a5/0x390 [ 60.738518][ T8397] Code: ff 4d 85 e4 74 a4 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f e9 fc 00 99 ff e8 f7 00 99 ff 0f 0b e9 ee fd ff ff e8 eb 00 99 ff <0f> 0b e9 9d fd ff ff 4c 89 f7 e8 7c e0 dc ff eb 8b 4c 89 ef e8 72 [ 60.758101][ T8397] RSP: 0018:ffffc9000164fd90 EFLAGS: 00010293 [ 60.764144][ T8397] RAX: 0000000000000000 RBX: ffff8880196fe000 RCX: 0000000000000000 [ 60.772092][ T8397] RDX: ffff88801c7a1c40 RSI: ffffffff81db5d25 RDI: ffff8880196fe000 [ 60.780040][ T8397] RBP: 0000000000000000 R08: 0000000000000dc0 R09: ffffffff8c0b37d3 [ 60.787989][ T8397] R10: fffffbfff18166fa R11: 0000000000000000 R12: 0000000000000000 [ 60.795938][ T8397] R13: 0000000000000000 R14: ffff8880196fe808 R15: 0000000000000000 [ 60.803889][ T8397] ? io_rsrc_node_switch+0x2a5/0x390 [ 60.809157][ T8397] ? __kasan_kmalloc+0xad/0xc0 [ 60.813903][ T8397] io_uring_setup+0xf75/0x2a80 [ 60.818642][ T8397] ? __context_tracking_exit+0xb8/0xe0 [ 60.824079][ T8397] ? io_connect+0x680/0x680 [ 60.828565][ T8397] ? syscall_enter_from_user_mode+0x27/0x70 [ 60.834442][ T8397] do_syscall_64+0x3a/0xb0 [ 60.838835][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.844707][ T8397] RIP: 0033:0x440a49 [ 60.848579][ T8397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.868160][ T8397] RSP: 002b:00007fff0b88f008 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 60.876568][ T8397] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440a49 [ 60.884520][ T8397] RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000182 [ 60.892467][ T8397] RBP: 00007fff0b88f050 R08: 0000000000000001 R09: 00007fff0b88f038 [ 60.900414][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 60.908367][ T8397] R13: 00007fff0b88f03a R14: 00000000004b74b0 R15: 000000000000000c [ 60.920652][ T8397] Kernel Offset: disabled [ 60.925096][ T8397] Rebooting in 86400 seconds..