gfs2: fsid=syz:syz.0: G: s:SH n:1/2 f:qb t:SH d:EX/0 a:0 v:0 r:4 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:SH f:eEH e:0 p:7086 [syz.5.721] gfs2_fill_super+0x1290/0x194c fs/gfs2/ops_fstype.c:1266 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1560! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 7086 Comm: syz.5.721 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : add_to_queue fs/gfs2/glock.c:1559 [inline] pc : gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585 lr : add_to_queue fs/gfs2/glock.c:1559 [inline] lr : gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585 sp : ffff8000235778f0 x29: ffff800023577960 x28: ffff0000f5fa1980 x27: ffff800023577aa8 x26: ffff0000cdbe23c0 x25: 0000000000000000 x24: 0000000000000084 x23: ffff0000c330d1d0 x22: ffff0000f5fa1900 x21: ffff800023577aa2 x20: ffff0000f5fa1918 x19: 0000000000000001 x18: 0000000000000000 x17: 32736667205d3132 x16: ffff8000082d9364 x15: 0000000000000002 x14: 0000000000000001 x13: 1ffff000046aeddc x12: 0000000000080000 x11: 000000000000a541 x10: ffff800021df9000 x9 : 9e9515400ae96600 x8 : 9e9515400ae96600 x7 : 0000000000000000 x6 : 0000000000000001 x5 : ffff800023576ef8 x4 : 0000000000000004 x3 : 0000000000000030 x2 : 000000000000000c x1 : 0000000000000000 x0 : ffff7000046aeecc Call trace: add_to_queue fs/gfs2/glock.c:1559 [inline] gfs2_glock_nq+0xec8/0x11c4 fs/gfs2/glock.c:1585 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline] gfs2_freeze_lock_shared+0x94/0x10c fs/gfs2/util.c:108 gfs2_reconfigure+0x574/0xa98 fs/gfs2/ops_fstype.c:1587 reconfigure_super+0x1d4/0x79c fs/super.c:977 do_remount fs/namespace.c:2741 [inline] path_mount+0xbdc/0xe80 fs/namespace.c:3400 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: aa1f03e0 aa1603e1 52800022 97ffe383 (d4210000) ---[ end trace 0000000000000000 ]---