EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.2406: bg 0: block 35: padding at end of block bitmap is not set
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EA inode 11 i_nlink=0
WARNING: CPU: 0 PID: 14062 at fs/ext4/xattr.c:1005 ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003
Modules linked in:
CPU: 0 PID: 14062 Comm: syz.1.2406 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 : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003
lr : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003
sp : ffff800021666f60
x29: ffff800021667000 x28: 0000000000000000 x27: dfff800000000000
x26: ffff800021666f80 x25: ffff7000042ccdf0 x24: 0000000000000000
x23: ffff800017bc9000 x22: ffff0000f65bf148 x21: 0000000000000000
x20: 0000000000000001 x19: ffff0000f65bf108 x18: ffff800011b7bf60
x17: 0000000000000000 x16: ffff8000082d9364 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe00033eaaba3 x12: 0000000000080000
x11: 000000000003da4c x10: ffff8000225d9000 x9 : 80ea3a82f898d700
x8 : 80ea3a82f898d700 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000216669f8 x4 : ffff8000152e4cc0 x3 : ffff800008538160
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1003
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1028 [inline]
 ext4_xattr_inode_dec_ref_all+0x8d4/0xd8c fs/ext4/xattr.c:1174
 ext4_xattr_delete_inode+0x888/0xa18 fs/ext4/xattr.c:2895
 ext4_evict_inode+0xcdc/0x1278 fs/ext4/inode.c:296
 evict+0x3e0/0x828 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x754/0x7e4 fs/inode.c:1860
 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:358
 ext4_orphan_cleanup+0x920/0x1060 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5556 [inline]
 ext4_fill_super+0x6188/0x660c fs/ext4/super.c:5687
 get_tree_bdev+0x358/0x544 fs/super.c:1366
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5bc/0xe80 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/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
irq event stamp: 3290
hardirqs last  enabled at (3289): [<ffff80000830fb6c>] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261
hardirqs last disabled at (3290): [<ffff800011a1c234>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3166): [<ffff8000081ac37c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (3166): [<ffff8000081ac37c>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (3125): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
EXT4-fs (loop1): 1 orphan inode deleted
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.