gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370 gfs2: fsid=syz:syz.0: pid: 5760 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:5 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:5760 [syz-executor.2] gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1600! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5760 Comm: syz-executor.2 Not tainted 6.10.0-rc4-syzkaller-00283-g563a50672d8a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:add_to_queue fs/gfs2/glock.c:1600 [inline] RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1644 Code: fe 0f b7 0b 48 c7 c7 40 65 0e 8c 48 8b 74 24 20 44 89 f2 e8 f7 97 9f 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 66 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8 RSP: 0018:ffffc90004257b18 EFLAGS: 00010246 RAX: 91026ee85edd4500 RBX: ffff888063c50c5a RCX: 0000000000040000 RDX: ffffc9000ac25000 RSI: 0000000000023632 RDI: 0000000000023633 RBP: 0000000000000000 R08: ffffffff83d9f987 R09: 1ffffffff1f5841d R10: dffffc0000000000 R11: fffffbfff1f5841e R12: ffff888063c50c22 R13: 1ffff1100c78a183 R14: 0000000000000008 R15: ffff888063c50c18 FS: 00007f94dfda86c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb55ebec8 CR3: 0000000061ed6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline] do_sync+0x3cc/0xec0 fs/gfs2/quota.c:946 gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:670 iterate_supers+0xc6/0x190 fs/super.c:923 ksys_sync+0xcc/0x1c0 fs/sync.c:103 __do_sys_sync+0xe/0x20 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f94df07d0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f94dfda80c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94df1b3f80 RCX: 00007f94df07d0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94df0ec074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f94df1b3f80 R15: 00007fff65f9f398 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1600 [inline] RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1644 Code: fe 0f b7 0b 48 c7 c7 40 65 0e 8c 48 8b 74 24 20 44 89 f2 e8 f7 97 9f 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 66 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8 RSP: 0018:ffffc90004257b18 EFLAGS: 00010246 RAX: 91026ee85edd4500 RBX: ffff888063c50c5a RCX: 0000000000040000 RDX: ffffc9000ac25000 RSI: 0000000000023632 RDI: 0000000000023633 RBP: 0000000000000000 R08: ffffffff83d9f987 R09: 1ffffffff1f5841d R10: dffffc0000000000 R11: fffffbfff1f5841e R12: ffff888063c50c22 R13: 1ffff1100c78a183 R14: 0000000000000008 R15: ffff888063c50c18 FS: 00007f94dfda86c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb55ebec8 CR3: 0000000061ed6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400