loop2: detected capacity change from 0 to 1024 EXT4-fs: Ignoring removed orlov option EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 5175 Comm: syz.2.15179 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3899 [inline] validate_chain kernel/locking/lockdep.c:3920 [inline] __lock_acquire+0xed4/0x2b08 kernel/locking/lockdep.c:5288 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942 bio_queue_enter block/blk.h:95 [inline] blk_mq_submit_bio+0x684/0x227c block/blk-mq.c:3149 __submit_bio+0x94/0x2dc block/blk-core.c:674 __submit_bio_noacct_mq block/blk-core.c:757 [inline] submit_bio_noacct_nocheck+0x290/0xa14 block/blk-core.c:791 submit_bio_noacct+0xd80/0x16e8 block/blk-core.c:929 submit_bio+0x2d0/0x410 block/blk-core.c:970 blk_crypto_submit_bio include/linux/blk-crypto.h:212 [inline] __bh_submit+0x6a0/0x7bc fs/buffer.c:1136 bh_submit+0x3c/0x50 fs/buffer.c:1150 __ext4_read_bh fs/ext4/super.c:192 [inline] ext4_read_bh_nowait+0x158/0x1d8 fs/ext4/super.c:204 ext4_sb_breadahead_unmovable+0xe0/0x130 fs/ext4/super.c:296 __ext4_get_inode_loc+0x96c/0xcf4 fs/ext4/inode.c:5821 __ext4_get_inode_loc_noinmem+0x88/0x104 fs/ext4/inode.c:5851 __ext4_iget+0x398/0x2f84 fs/ext4/inode.c:6273 ext4_lookup+0x224/0x5f0 fs/ext4/namei.c:1787 lookup_open+0x7e0/0x1198 fs/namei.c:4536 open_last_lookups fs/namei.c:4774 [inline] path_openat+0x4f8/0x1910 fs/namei.c:5013 do_file_open+0x1c8/0x2e8 fs/namei.c:5045 do_sys_openat2+0x114/0x1ec fs/open.c:1442 do_sys_open+0xb0/0xe0 fs/open.c:1448 __do_sys_openat fs/open.c:1464 [inline] __se_sys_openat fs/open.c:1459 [inline] __arm64_sys_openat+0xa8/0xc4 fs/open.c:1459 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606