gfs2: fsid=syz:syz.0: first mount done, others may mount
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7015 Comm: syz.2.438 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
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_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 debug_object_activate+0x7c/0x468 lib/debugobjects.c:698
 debug_work_activate kernel/workqueue.c:510 [inline]
 __queue_work+0xca8/0x123c kernel/workqueue.c:1519
 __queue_delayed_work kernel/workqueue.c:1668 [inline]
 queue_delayed_work_on+0x204/0x314 kernel/workqueue.c:1704
 queue_delayed_work include/linux/workqueue.h:527 [inline]
 __gfs2_glock_queue_work fs/gfs2/glock.c:258 [inline]
 gfs2_glock_queue_work fs/gfs2/glock.c:272 [inline]
 do_xmote+0x688/0x1198 fs/gfs2/glock.c:871
 run_queue+0x458/0x690 fs/gfs2/glock.c:918
 gfs2_glock_nq+0x88c/0x11d4 fs/gfs2/glock.c:1592
 gfs2_glock_nq_init+0x70/0xb4 fs/gfs2/glock.h:255
 gfs2_create_inode+0xc20/0x10d4 fs/gfs2/inode.c:735
 gfs2_mkdir+0xb0/0xd4 fs/gfs2/inode.c:1235
 vfs_mkdir+0x314/0x4d4 fs/namei.c:4114
 do_mkdirat+0x1b4/0x3e0 fs/namei.c:4139
 __do_sys_mkdirat fs/namei.c:4154 [inline]
 __se_sys_mkdirat fs/namei.c:4152 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4152
 __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