loop6: detected capacity change from 0 to 512
EXT2-fs (loop6): warning: mounting ext3 filesystem as ext2
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 7655 Comm: syz.6.484 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 do_inode_permission fs/namei.c:464 [inline]
 inode_permission+0x330/0x3c0 fs/namei.c:528
 may_open+0x274/0x3b8 fs/namei.c:3254
 do_open fs/namei.c:3624 [inline]
 path_openat+0x1e1c/0x2680 fs/namei.c:3783
 do_filp_open+0x174/0x344 fs/namei.c:3810
 do_sys_openat2+0x128/0x3d8 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1345
 __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
EXT2-fs (loop6): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 4, length 1
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 5, length 1
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 6, length 1
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 7, length 1
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 8, length 1
EXT2-fs (loop6): error: ext2_new_blocks: Allocating block in system zone - blocks from 9, length 1