EXT4-fs (loop7): 1 truncate cleaned up
EXT4-fs (loop7): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback.
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 9594 Comm: syz.7.1433 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __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:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 down_write+0xbc/0x12c kernel/locking/rwsem.c:1551
 v2_write_dquot+0x114/0x180 fs/quota/quota_v2.c:354
 dquot_acquire+0x2b0/0x510 fs/quota/dquot.c:472
 ext4_acquire_dquot+0x270/0x428 fs/ext4/super.c:6200
 dqget+0x658/0xcf4 fs/quota/dquot.c:988
 __dquot_initialize+0x2d4/0xa80 fs/quota/dquot.c:1517
 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579
 ext4_link+0x188/0x244 fs/ext4/namei.c:3574
 vfs_link+0x5b4/0x744 fs/namei.c:4557
 do_linkat+0x3dc/0x6f8 fs/namei.c:4628
 __do_sys_linkat fs/namei.c:4656 [inline]
 __se_sys_linkat fs/namei.c:4653 [inline]
 __arm64_sys_linkat+0xe4/0x100 fs/namei.c:4653
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
EXT4-fs error (device loop7): ext4_find_dest_de:2115: inode #12: block 13: comm syz.7.1433: bad entry in directory: inode out of bounds - offset=24, inode=33554445, rec_len=16, size=4096 fake=0