gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:6161 [syz.3.200] gfs2_lookup_simple+0xb0/0x100 fs/gfs2/inode.c:264 gfs2: fsid=syz:syz.s: I: n:2/2073 t:4 f:0x00 d:0x00000201 s:72057594021154584 p:0 gfs2: fsid=syz:syz.s: 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: 6161 Comm: syz.3.200 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (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 : ffff8000223e7020 x29: ffff8000223e7130 x28: ffff70000447ce10 x27: dfff800000000000 x26: ffff800011eebf60 x25: ffff8000223e7080 x24: 1fffe0001cc65057 x23: 000000000001a687 x22: ffff0000e6328340 x21: ffff0000e63280a8 x20: ffff0000e63282bc x19: ffff0000e6328000 x18: ffff800011abbcc0 x17: 0000000000000000 x16: ffff8000082d25ac x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 0000000000025508 x10: ffff800023adc000 x9 : ffff80000a20775c x8 : 0000000000025509 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000223e6af8 x4 : ffff8000151a4920 x3 : ffff80000852e538 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: gfs2_withdraw+0x1254/0x13a8 fs/gfs2/util.c:352 gfs2_consist_inode_i+0xf0/0x10c fs/gfs2/util.c:468 gfs2_dinode_in fs/gfs2/glops.c:464 [inline] gfs2_inode_refresh+0x920/0xd54 fs/gfs2/glops.c:484 inode_go_instantiate+0x4c/0x68 fs/gfs2/glops.c:503 gfs2_instantiate+0x17c/0x2c4 fs/gfs2/glock.c:520 gfs2_glock_holder_ready fs/gfs2/glock.c:1333 [inline] gfs2_glock_wait+0x1b4/0x298 fs/gfs2/glock.c:1353 gfs2_glock_nq+0x8bc/0x11d4 fs/gfs2/glock.c:1596 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline] gfs2_lookupi+0x36c/0x58c fs/gfs2/inode.c:312 gfs2_lookup_simple+0xb0/0x100 fs/gfs2/inode.c:264 init_journal+0x17c/0x1e14 fs/gfs2/ops_fstype.c:745 init_inodes+0xe0/0x2d4 fs/gfs2/ops_fstype.c:889 gfs2_fill_super+0x122c/0x19ec fs/gfs2/ops_fstype.c:1246 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 ]---