Memory failure: 0x2112a3: already hardware poisoned
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 7818 Comm: syz.5.638 Not tainted 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]
 inode_sb_list_add fs/inode.c:528 [inline]
 new_inode+0x6c/0x174 fs/inode.c:1093
 udf_new_inode+0xdc/0xbd0 fs/udf/ialloc.c:60
 udf_tmpfile+0x34/0x170 fs/udf/namei.c:387
 vfs_tmpfile+0x274/0x3a4 fs/namei.c:3677
 vfs_tmpfile_open+0x64/0xac fs/namei.c:3716
 ovl_do_tmpfile fs/overlayfs/overlayfs.h:317 [inline]
 ovl_copy_up_tmpfile fs/overlayfs/copy_up.c:748 [inline]
 ovl_do_copy_up fs/overlayfs/copy_up.c:840 [inline]
 ovl_copy_up_one fs/overlayfs/copy_up.c:1013 [inline]
 ovl_copy_up_flags+0x14e0/0x1e84 fs/overlayfs/copy_up.c:1059
 ovl_maybe_copy_up+0x150/0x180 fs/overlayfs/copy_up.c:1091
 ovl_open+0xe4/0x270 fs/overlayfs/file.c:152
 do_dentry_open+0x730/0xfa8 fs/open.c:882
 vfs_open+0x7c/0x90 fs/open.c:1013
 do_open fs/namei.c:3626 [inline]
 path_openat+0x1f48/0x2680 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