BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 5027 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c 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:3777 [inline]
 validate_chain kernel/locking/lockdep.c:3798 [inline]
 __lock_acquire+0x1864/0x6634 kernel/locking/lockdep.c:5063
 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676
 __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]
 create_empty_buffers+0xe4/0x5b8 fs/buffer.c:1552
 gfs2_getbuf+0x268/0x72c fs/gfs2/meta_io.c:139
 gfs2_meta_read+0x124/0x820 fs/gfs2/meta_io.c:265
 gfs2_meta_buffer+0x108/0x2f0 fs/gfs2/meta_io.c:491
 gfs2_meta_inode_buffer fs/gfs2/meta_io.h:72 [inline]
 gfs2_inode_refresh+0xb0/0xe64 fs/gfs2/glops.c:492
 inode_go_instantiate+0x4c/0x68 fs/gfs2/glops.c:515
 gfs2_instantiate+0x178/0x2b4 fs/gfs2/glock.c:520
 gfs2_glock_holder_ready fs/gfs2/glock.c:1333 [inline]
 gfs2_glock_wait+0x1b0/0x290 fs/gfs2/glock.c:1353
 gfs2_glock_nq+0x8bc/0x11c4 fs/gfs2/glock.c:1596
 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline]
 gfs2_statfs_sync+0x154/0x6cc fs/gfs2/super.c:284
 gfs2_make_fs_ro+0x1e8/0x444 fs/gfs2/super.c:562
 gfs2_put_super+0x1dc/0x744 fs/gfs2/super.c:603
 generic_shutdown_super+0x138/0x32c fs/super.c:501
 kill_block_super+0x78/0xe0 fs/super.c:1470
 gfs2_kill_sb+0xc4/0xd8 fs/gfs2/ops_fstype.c:-1
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485
CPU: 1 PID: 5027 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 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+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 gfs2_assert_warn_i+0x16c/0x26c fs/gfs2/util.c:418
 gfs2_quota_cleanup+0x444/0x640 fs/gfs2/quota.c:1485
 gfs2_make_fs_ro+0x36c/0x444 fs/gfs2/super.c:571
 gfs2_put_super+0x1dc/0x744 fs/gfs2/super.c:603
 generic_shutdown_super+0x138/0x32c fs/super.c:501
 kill_block_super+0x78/0xe0 fs/super.c:1470
 gfs2_kill_sb+0xc4/0xd8 fs/gfs2/ops_fstype.c:-1
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585