gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline] gfs2: fsid=syz:syz.0: new: do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921 gfs2: fsid=syz:syz.0: pid: 5694 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:5694 [syz-executor.0] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline] gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:5694 [syz-executor.0] do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1503! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5694 Comm: syz-executor.0 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline] RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1527 Code: ef e8 ed 9c 3f fe 0f b7 4d 00 48 c7 c7 a0 9b cc 8a 4c 89 e6 89 da e8 98 86 92 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 29 87 ff ff <0f> 0b e8 82 ce f5 fd e8 4d 00 76 fd e9 0f f9 ff ff 48 8d 5a 08 48 RSP: 0018:ffffc90003307a58 EFLAGS: 00010246 RAX: fe7859d12cf0cf00 RBX: 0000000000000008 RCX: ffff88807e1f8000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88807ef2005a R08: ffffffff838a2899 R09: fffffbfff1bc8d86 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801fddd2c0 R13: dffffc0000000000 R14: ffff88806d9f3200 R15: ffff88807ef20022 FS: 0000555557315480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555731e938 CR3: 0000000079b13000 CR4: 00000000003506f0 DR0: 000000000000000f DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline] do_sync+0x3b3/0xc60 fs/gfs2/quota.c:921