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:4955 [syz.3.121] gfs2_fill_super+0x1310/0x19ec fs/gfs2/ops_fstype.c:1266 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1555! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4955 Comm: syz.3.121 Not tainted 6.1.137-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_to_queue fs/gfs2/glock.c:1554 [inline] pc : gfs2_glock_nq+0xec8/0x11d4 fs/gfs2/glock.c:1580 lr : add_to_queue fs/gfs2/glock.c:1554 [inline] lr : gfs2_glock_nq+0xec8/0x11d4 fs/gfs2/glock.c:1580 sp : ffff800020ef78f0 x29: ffff800020ef7960 x28: ffff0000f49fe2e0 x27: ffff800020ef7aa8 x26: ffff0000f0262c80 x25: 0000000000000000 x24: 0000000000000084 x23: ffff0000de6511d0 x22: ffff0000f49fe260 x21: ffff800020ef7aa2 x20: ffff0000f49fe278 x19: 0000000000000001 x18: ffff800011a7bd00 x17: 32736667205d3132 x16: ffff8000082d1c08 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000001e420 x10: ffff8000287ca000 x9 : 000b659a87f28c00 x8 : 000b659a87f28c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020ef6f18 x4 : ffff800015154740 x3 : ffff80000a83b4ac x2 : ffff0001b3e15cd0 x1 : 0000000000000003 x0 : 0000000000000000 Call trace: add_to_queue fs/gfs2/glock.c:1554 [inline] gfs2_glock_nq+0xec8/0x11d4 fs/gfs2/glock.c:1580 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline] gfs2_freeze_lock_shared+0x94/0x10c fs/gfs2/util.c:108 gfs2_reconfigure+0x564/0xa58 fs/gfs2/ops_fstype.c:1587 reconfigure_super+0x1d4/0x79c fs/super.c:977 do_remount fs/namespace.c:2713 [inline] path_mount+0xbd4/0xe78 fs/namespace.c:3379 do_mount fs/namespace.c:3400 [inline] __do_sys_mount fs/namespace.c:3608 [inline] __se_sys_mount fs/namespace.c:3585 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3585 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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 97ffe3a9 (d4210000) ---[ end trace 0000000000000000 ]---