Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 48.178507][ T3596] loop0: detected capacity change from 0 to 264192 [ 48.205528][ T3603] loop3: detected capacity change from 0 to 264192 executing program [ 48.209057][ T3604] loop1: detected capacity change from 0 to 264192 [ 48.215744][ T3596] BTRFS: device fsid 9ef2b0c0-0642-4475-a2ba-d53d18884f0b devid 1 transid 7 /dev/loop0 scanned by syz-executor105 (3596) [ 48.220842][ T3603] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor105 (3603) executing program executing program [ 48.221648][ T3604] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor105 (3604) [ 48.221648][ T3604] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor105 (3604) [ 48.240269][ T3596] BTRFS info (device loop0): disk space caching is enabled [ 48.240282][ T3596] BTRFS info (device loop0): has skinny extents [ 48.250946][ T3608] loop4: detected capacity change from 0 to 264192 [ 48.252759][ T3608] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 7 scanned by syz-executor105 (3608) [ 48.288098][ T3609] loop2: detected capacity change from 0 to 264192 [ 48.349541][ T3609] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor105 (3609) [ 48.380605][ T3621] loop3: detected capacity change from 0 to 264192 [ 48.384046][ T3610] loop5: detected capacity change from 0 to 264192 [ 48.388354][ T3621] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor105 (3621) [ 48.393264][ T3610] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor105 (3610) [ 48.410448][ T3596] general protection fault, probably for non-canonical address 0xdffffc0000000023: 0000 [#1] PREEMPT SMP KASAN [ 48.410465][ T3596] KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] [ 48.410475][ T3596] CPU: 0 PID: 3596 Comm: syz-executor105 Not tainted 5.18.0-rc4-next-20220426-syzkaller #0 [ 48.410490][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.410497][ T3596] RIP: 0010:destroy_workqueue+0x2e/0x800 [ 48.410530][ T3596] Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 2a fe 2b 00 49 8d be 18 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 37 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19 [ 48.410543][ T3596] RSP: 0018:ffffc90002f6f818 EFLAGS: 00010202 [ 48.410555][ T3596] RAX: dffffc0000000000 RBX: ffff8880248b4000 RCX: 0000000000000000 [ 48.410564][ T3596] RDX: 0000000000000023 RSI: ffffffff814e4606 RDI: 0000000000000118 [ 48.410572][ T3596] RBP: ffff8880248b4000 R08: 0000000000000000 R09: ffffffff9007194f [ 48.410581][ T3596] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000fffffff4 [ 48.410589][ T3596] R13: 0000000000001000 R14: 0000000000000000 R15: ffff88801e866000 [ 48.410598][ T3596] FS: 00007f4c1f989700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 48.410611][ T3596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.410621][ T3596] CR2: 00007f4c1fa2ff78 CR3: 000000002490a000 CR4: 00000000003506f0 [ 48.410629][ T3596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.410637][ T3596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.410645][ T3596] Call Trace: [ 48.410649][ T3596] [ 48.410655][ T3596] btrfs_stop_all_workers+0x14c/0x2fe [ 48.410683][ T3596] open_ctree+0x481f/0x493b [ 48.410701][ T3596] ? btrfs_get_root_ref.part.0.cold+0x36/0x36 [ 48.410718][ T3596] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 48.410739][ T3596] btrfs_mount_root.cold+0x15/0x162 [ 48.410762][ T3596] ? parse_rescue_options+0x350/0x350 [ 48.410776][ T3596] ? legacy_parse_param+0x3e7/0x8b0 [ 48.410791][ T3596] ? security_fs_context_parse_param+0x99/0xd0 [ 48.410815][ T3596] ? vfs_parse_fs_param_source+0x1e0/0x1e0 [ 48.410831][ T3596] ? vfs_parse_fs_string+0xf8/0x150 [ 48.410844][ T3596] ? vfs_parse_fs_param+0x3c0/0x3c0 [ 48.410857][ T3596] ? __kasan_kmalloc+0xa9/0xd0 [ 48.410879][ T3596] ? parse_rescue_options+0x350/0x350 [ 48.410891][ T3596] legacy_get_tree+0x105/0x220 [ 48.410905][ T3596] vfs_get_tree+0x89/0x2f0 [ 48.410917][ T3596] vfs_kern_mount.part.0+0xd3/0x170 [ 48.410938][ T3596] vfs_kern_mount+0x3c/0x60 [ 48.410957][ T3596] btrfs_mount+0x234/0xa60 [ 48.410970][ T3596] ? btrfs_show_options+0x1290/0x1290 [ 48.410988][ T3596] ? rcu_read_lock_sched_held+0x3a/0x70 [ 48.411009][ T3596] ? kfree+0x1ed/0x4d0 [ 48.411025][ T3596] ? legacy_parse_param+0x3e7/0x8b0 [ 48.411038][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 48.411055][ T3596] ? security_fs_context_parse_param+0x99/0xd0 [ 48.411077][ T3596] ? vfs_parse_fs_param_source+0x1e0/0x1e0 [ 48.411092][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 48.411109][ T3596] ? apparmor_capable+0x1d8/0x460 [ 48.411126][ T3596] ? btrfs_show_options+0x1290/0x1290 [ 48.411139][ T3596] legacy_get_tree+0x105/0x220 [ 48.411151][ T3596] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 48.411169][ T3596] vfs_get_tree+0x89/0x2f0 [ 48.411180][ T3596] path_mount+0x1320/0x1fa0 [ 48.411193][ T3596] ? kmem_cache_free+0xdd/0x5a0 [ 48.411226][ T3596] ? finish_automount+0xaf0/0xaf0 [ 48.411249][ T3596] ? putname+0xfe/0x140 [ 48.411273][ T3596] __x64_sys_mount+0x27f/0x300 [ 48.411291][ T3596] ? copy_mnt_ns+0xae0/0xae0 [ 48.411303][ T3596] ? syscall_enter_from_user_mode+0x21/0x70 [ 48.411329][ T3596] do_syscall_64+0x35/0xb0 [ 48.411363][ T3596] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 48.411395][ T3596] RIP: 0033:0x7f4c1f9e079a [ 48.411413][ T3596] Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.411434][ T3596] RSP: 002b:00007f4c1f989168 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 48.411457][ T3596] RAX: ffffffffffffffda RBX: 00007f4c1f9891c0 RCX: 00007f4c1f9e079a [ 48.411473][ T3596] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4c1f989180 [ 48.411488][ T3596] RBP: 000000000000008e R08: 00007f4c1f9891c0 R09: 00007f4c1f9896b8 [ 48.411499][ T3596] R10: 0000000000000000 R11: 0000000000000286 R12: 00007f4c1f989180 [ 48.411508][ T3596] R13: 0000000020000f50 R14: 0000000000000003 R15: 0000000000000004 [ 48.411520][ T3596] [ 48.411524][ T3596] Modules linked in: [ 48.411564][ T3596] ---[ end trace 0000000000000000 ]--- [ 48.411570][ T3596] RIP: 0010:destroy_workqueue+0x2e/0x800 [ 48.411589][ T3596] Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 2a fe 2b 00 49 8d be 18 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 37 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19 [ 48.411601][ T3596] RSP: 0018:ffffc90002f6f818 EFLAGS: 00010202 [ 48.411610][ T3596] RAX: dffffc0000000000 RBX: ffff8880248b4000 RCX: 0000000000000000 [ 48.411618][ T3596] RDX: 0000000000000023 RSI: ffffffff814e4606 RDI: 0000000000000118 [ 48.411626][ T3596] RBP: ffff8880248b4000 R08: 0000000000000000 R09: ffffffff9007194f [ 48.411634][ T3596] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000fffffff4 [ 48.411642][ T3596] R13: 0000000000001000 R14: 0000000000000000 R15: ffff88801e866000 [ 48.411649][ T3596] FS: 00007f4c1f989700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 48.411670][ T3596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.411679][ T3596] CR2: 00007f4c1fa2ff78 CR3: 000000002490a000 CR4: 00000000003506f0 [ 48.411687][ T3596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.411694][ T3596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.411703][ T3596] Kernel panic - not syncing: Fatal exception [ 48.411871][ T3596] Kernel Offset: disabled