Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. syzkaller login: [ 67.274412] IPVS: ftp: loaded support on port[0] = 21 executing program [ 67.467082] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.476030] gfs2: fsid=syz:syz: Now mounting FS... [ 67.486770] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents [ 67.493138] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 67.499933] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 67.509644] gfs2: fsid=syz:syz.0: jid=0: Done [ 67.514259] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 67.658409] gfs2: fsid=syz:syz.0: found 2 quota changes [ 67.669512] gfs2: original: do_sync+0x442/0xc90 [ 67.674361] gfs2: pid: 8117 [ 67.677373] gfs2: lock type: 8 req lock state : 1 [ 67.682239] gfs2: new: do_sync+0x442/0xc90 [ 67.686509] gfs2: pid: 8117 [ 67.689486] gfs2: lock type: 8 req lock state : 1 [ 67.694330] gfs2: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 [ 67.700717] gfs2: H: s:EX f:cH e:0 p:8117 [syz-executor401] do_sync+0x442/0xc90 [ 67.708633] ------------[ cut here ]------------ [ 67.713385] kernel BUG at fs/gfs2/glock.c:1082! [ 67.718143] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 67.723496] CPU: 1 PID: 8117 Comm: syz-executor401 Not tainted 4.19.211-syzkaller #0 [ 67.731351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 67.740691] RIP: 0010:gfs2_glock_nq.cold+0x276/0x2cd [ 67.745772] Code: 0f b6 04 02 84 c0 74 04 3c 03 7e 6e 8b 73 18 44 89 ea 48 c7 c7 60 4f a6 88 e8 02 57 f8 ff 48 8b 74 24 08 31 ff e8 0b cc 0a fb <0f> 0b e8 74 02 9d f9 4c 8b 04 24 e9 aa fd ff ff 31 ed e9 12 fe ff [ 67.764650] RSP: 0018:ffff8880b24278e8 EFLAGS: 00010292 [ 67.769993] RAX: 0000000000000000 RBX: ffff88809bf1dcf8 RCX: ffffffff83063ba3 [ 67.777242] RDX: 0000000000000000 RSI: ffffffff83063bf2 RDI: ffffffff88a67230 [ 67.784488] RBP: 0000000000001fb5 R08: 0000000000000000 R09: 0000000000000000 [ 67.791736] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880a8dd5f38 [ 67.798982] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880b4d3c780 [ 67.806231] FS: 000055555601c300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 67.814448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.820306] CR2: 00007f7cc9c24b90 CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 67.827569] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.834823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.842066] Call Trace: [ 67.844641] do_sync+0x44a/0xc90 [ 67.847995] ? qd_check_sync.part.0+0x206/0x2a0 [ 67.852645] ? do_qc+0x660/0x660 [ 67.855989] ? gfs2_quota_sync+0x3fa/0x780 [ 67.860202] ? lock_downgrade+0x720/0x720 [ 67.864325] ? lock_acquire+0x170/0x3c0 [ 67.868277] ? gfs2_quota_sync+0x327/0x780 [ 67.872492] ? _raw_spin_unlock+0x29/0x40 [ 67.876619] gfs2_quota_sync+0x5d1/0x780 [ 67.880664] gfs2_sync_fs+0x40/0xb0 [ 67.884268] ? gfs2_show_options+0xc80/0xc80 [ 67.888655] sync_filesystem+0x105/0x250 [ 67.892697] generic_shutdown_super+0x70/0x370 [ 67.897257] kill_block_super+0x97/0xf0 [ 67.901210] gfs2_kill_sb+0x12c/0x1a0 [ 67.904988] deactivate_locked_super+0x94/0x160 [ 67.909639] deactivate_super+0x174/0x1a0 [ 67.913768] ? deactivate_locked_super+0x160/0x160 [ 67.918680] ? dput+0x31/0x640 [ 67.921853] cleanup_mnt+0x1a8/0x290 [ 67.925552] task_work_run+0x148/0x1c0 [ 67.929423] do_exit+0xbf3/0x2be0 [ 67.932857] ? lock_downgrade+0x720/0x720 [ 67.936985] ? mm_update_next_owner+0x650/0x650 [ 67.941637] ? up_read+0x17/0x110 [ 67.945077] ? __do_page_fault+0x180/0xd60 [ 67.949290] do_group_exit+0x125/0x310 [ 67.953156] __x64_sys_exit_group+0x3a/0x50 [ 67.957455] do_syscall_64+0xf9/0x620 [ 67.961238] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.966404] RIP: 0033:0x7f8c78128999 [ 67.970096] Code: Bad RIP value. [ 67.973436] RSP: 002b:00007fff8ebd9808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 67.981226] RAX: ffffffffffffffda RBX: 00007f8c781b1330 RCX: 00007f8c78128999 [ 67.988472] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 67.995716] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000134ba [ 68.002964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c781b1330 [ 68.010210] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 68.017458] Modules linked in: [ 68.020852] ---[ end trace 0ac1b7ca49a97d28 ]--- [ 68.025636] RIP: 0010:gfs2_glock_nq.cold+0x276/0x2cd [ 68.030735] Code: 0f b6 04 02 84 c0 74 04 3c 03 7e 6e 8b 73 18 44 89 ea 48 c7 c7 60 4f a6 88 e8 02 57 f8 ff 48 8b 74 24 08 31 ff e8 0b cc 0a fb <0f> 0b e8 74 02 9d f9 4c 8b 04 24 e9 aa fd ff ff 31 ed e9 12 fe ff [ 68.049679] RSP: 0018:ffff8880b24278e8 EFLAGS: 00010292 [ 68.055061] RAX: 0000000000000000 RBX: ffff88809bf1dcf8 RCX: ffffffff83063ba3 [ 68.062319] RDX: 0000000000000000 RSI: ffffffff83063bf2 RDI: ffffffff88a67230 [ 68.069599] RBP: 0000000000001fb5 R08: 0000000000000000 R09: 0000000000000000 [ 68.076890] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880a8dd5f38 [ 68.084145] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880b4d3c780 [ 68.091429] FS: 000055555601c300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 68.099673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.105573] CR2: 00007f8c7812896f CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 68.112837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.120113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.127402] Kernel panic - not syncing: Fatal exception [ 68.132914] Kernel Offset: disabled [ 68.136529] Rebooting in 86400 seconds..