bh = 2051 (type: exp=14, found=8) function = gfs2_quota_init, file = fs/gfs2/quota.c, line = 1406 gfs2: fsid=syz:syz.0: about to withdraw this file system ------------[ cut here ]------------ kernel BUG at fs/gfs2/util.c:352! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5305 Comm: syz.1.168 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 : gfs2_withdraw+0x1254/0x13a8 fs/gfs2/util.c:352 lr : gfs2_withdraw+0x1254/0x13a8 fs/gfs2/util.c:352 sp : ffff8000216f7480 x29: ffff8000216f7590 x28: ffff7000042dee9c x27: dfff800000000000 x26: ffff800011eebf60 x25: ffff8000216f74e0 x24: 1fffe0001a09b857 x23: 0000000000010506 x22: ffff0000d04dc340 x21: ffff0000d04dc0a8 x20: ffff0000d04dc2bc x19: ffff0000d04dc000 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d25ac x15: 0000000040000000 x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800027349000 x9 : ffff80000a20775c x8 : 0000000000080000 x7 : ffff800008251e80 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000852e538 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: gfs2_withdraw+0x1254/0x13a8 fs/gfs2/util.c:352 gfs2_metatype_check_ii+0x8c/0xac fs/gfs2/util.c:533 gfs2_metatype_check_i fs/gfs2/util.h:129 [inline] gfs2_quota_init+0xb84/0xd54 fs/gfs2/quota.c:1406 gfs2_make_fs_rw+0x328/0x44c fs/gfs2/super.c:155 gfs2_fill_super+0x1380/0x19ec fs/gfs2/ops_fstype.c:1271 get_tree_bdev+0x358/0x544 fs/super.c:1366 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5b4/0xe78 fs/namespace.c:3408 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/0x584 fs/namespace.c:3606 __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: f9402be0 979b3f8d 17fffe95 978a694a (d4210000) ---[ end trace 0000000000000000 ]---