EXT4-fs (loop0): ext4_check_descriptors: Inode bitmap for group 1 overlaps superblock
EXT4-fs (loop0): ext4_check_descriptors: Inode table for group 1 overlaps superblock
==================================================================
BUG: KASAN: use-after-free in check_igot_inode fs/ext4/inode.c:-1 [inline]
BUG: KASAN: use-after-free in __ext4_iget+0x254/0x319c fs/ext4/inode.c:4835
Read of size 8 at addr ffff0000f44b7f30 by task syz.0.1769/8134

CPU: 1 PID: 8134 Comm: syz.0.1769 Not tainted 6.1.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x174/0x4c0 mm/kasan/report.c:427
 kasan_report+0xd4/0x130 mm/kasan/report.c:531
 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351
 check_igot_inode fs/ext4/inode.c:-1 [inline]
 __ext4_iget+0x254/0x319c fs/ext4/inode.c:4835
 __ext4_fill_super fs/ext4/super.c:5390 [inline]
 ext4_fill_super+0x5a60/0x73a4 fs/ext4/super.c:5654
 get_tree_bdev+0x360/0x54c fs/super.c:1366
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5684
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584
 __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+0x58/0x168 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

The buggy address belongs to the physical page:
page:00000000013efc6a refcount:0 mapcount:0 mapping:0000000000000000 index:0x2 pfn:0x1344b7
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f44b7e00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f44b7e80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000f44b7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                     ^
 ffff0000f44b7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f44b8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs (loop0): corrupt root inode, run e2fsck
EXT4-fs (loop0): mount failed