gfs2: fsid=syz:syz.0: original: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318 gfs2: fsid=syz:syz.0: pid: 3630 gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318 gfs2: fsid=syz:syz.0: pid: 3630 gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 gfs2: fsid=syz:syz.0: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:6 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:3630 [syz-executor192] gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1562! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3630 Comm: syz-executor192 Not tainted 6.1.22-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline] RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587 Code: 2e fe 0f b7 4d 00 48 c7 c7 a0 08 30 8b 48 8b 74 24 20 89 da e8 2b 2a ca 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 d1 74 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 88 RSP: 0018:ffffc90003c1f858 EFLAGS: 00010246 RAX: 88224514a22e1400 RBX: 0000000000000008 RCX: 1ffff92000783ebc RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88801797bc5a R08: ffffffff83b12484 R09: fffffbfff1ca4d86 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880727c2f60 R13: ffff88801797bc38 R14: ffff88801797bc30 R15: 1ffff11002f2f783 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e46f70140 CR3: 000000000cc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:264 [inline] do_sync+0x3c2/0xc70 fs/gfs2/quota.c:910 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:648 sync_filesystem+0xe8/0x220 fs/sync.c:56 generic_shutdown_super+0x6b/0x340 fs/super.c:474 kill_block_super+0x7a/0xe0 fs/super.c:1450 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x6fb/0x2300 kernel/exit.c:869 do_group_exit+0x202/0x2b0 kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1e46ee99b9 Code: Unable to access opcode bytes at 0x7f1e46ee998f. RSP: 002b:00007fffad152458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f1e46f72330 RCX: 00007f1e46ee99b9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000013420 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1e46f72330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline] RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587 Code: 2e fe 0f b7 4d 00 48 c7 c7 a0 08 30 8b 48 8b 74 24 20 89 da e8 2b 2a ca 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 d1 74 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 88 RSP: 0018:ffffc90003c1f858 EFLAGS: 00010246 RAX: 88224514a22e1400 RBX: 0000000000000008 RCX: 1ffff92000783ebc RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88801797bc5a R08: ffffffff83b12484 R09: fffffbfff1ca4d86 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880727c2f60 R13: ffff88801797bc38 R14: ffff88801797bc30 R15: 1ffff11002f2f783 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e46f70140 CR3: 000000000cc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400