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:5290 [syz.4.220] gfs2_fill_super+0x1310/0x19ec 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: 1 PID: 5290 Comm: syz.4.220 Not tainted 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : add_to_queue fs/gfs2/glock.c:1559 [inline] pc : gfs2_glock_nq+0xec8/0x11d4 fs/gfs2/glock.c:1585 lr : add_to_queue fs/gfs2/glock.c:1559 [inline] lr : gfs2_glock_nq+0xec8/0x11d4 fs/gfs2/glock.c:1585 sp : ffff800023ad7910 x29: ffff800023ad7980 x28: ffff0000f5f009e0 x27: ffff800023ad7ac8 x26: ffff0000c9867780 x25: 0000000000000000 x24: 0000000000000084 x23: ffff0000dfb8d1d0 x22: ffff0000f5f00960 x21: ffff800023ad7ac2 x20: ffff0000f5f00978 x19: 0000000000000001 x18: 0000000000000000 x17: 32736667205d3032 x16: ffff8000082d2374 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 0000000000008cac x10: ffff80002ae34000 x9 : 4637fb62155c3d00 x8 : 4637fb62155c3d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800023ad6f38 x4 : ffff800015194800 x3 : ffff800008311d68 x2 : 0000000000000001 x1 : 0000000000000003 x0 : 0000000000000000 Call trace: add_to_queue fs/gfs2/glock.c:1559 [inline] gfs2_glock_nq+0xec8/0x11d4 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+0x564/0xa58 fs/gfs2/ops_fstype.c:1587 reconfigure_super+0x1d4/0x79c fs/super.c:977 vfs_fsconfig_locked+0x164/0x374 fs/fsopen.c:254 __do_sys_fsconfig fs/fsopen.c:439 [inline] __se_sys_fsconfig fs/fsopen.c:314 [inline] __arm64_sys_fsconfig+0x634/0x77c fs/fsopen.c:314 __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 ]---