ocfs2: Mounting device (7,5) on (node local, slot 0) with ordered data mode.
(syz.5.326,5629,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x98842a5e, computed 0xe74db1cd. Applying ECC.
======================================================
WARNING: possible circular locking dependency detected
6.1.145-syzkaller #0 Not tainted
------------------------------------------------------
syz.5.326/5629 is trying to acquire lock:
ffff0000f5648650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593
but task is already holding lock:
ffff0000f5aa5108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
ffff0000f5aa5108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #7 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}:
down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782
ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1128 [inline]
ocfs2_reserve_clusters_with_limit+0x290/0x9e0 fs/ocfs2/suballoc.c:1173
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
ocfs2_lock_allocators+0x27c/0x518 fs/ocfs2/suballoc.c:2669
ocfs2_extend_allocation+0x328/0x15ec fs/ocfs2/file.c:585
ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
dqget+0x654/0xccc fs/quota/dquot.c:988
ocfs2_setattr+0xc20/0x18d4 fs/ocfs2/file.c:1233
notify_change+0xb0c/0xdcc fs/attr.c:499
chown_common+0x414/0x574 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xe0/0x158 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__arm64_sys_fchown+0x7c/0x94 fs/open.c:821
__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
-> #6 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}:
down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314
ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
dqget+0x654/0xccc fs/quota/dquot.c:988
ocfs2_setattr+0xc20/0x18d4 fs/ocfs2/file.c:1233
notify_change+0xb0c/0xdcc fs/attr.c:499
chown_common+0x414/0x574 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xe0/0x158 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__arm64_sys_fchown+0x7c/0x94 fs/open.c:821
__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
-> #5 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}:
down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
dqget+0x654/0xccc fs/quota/dquot.c:988
ocfs2_setattr+0xc20/0x18d4 fs/ocfs2/file.c:1233
notify_change+0xb0c/0xdcc fs/attr.c:499
chown_common+0x414/0x574 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xe0/0x158 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__arm64_sys_fchown+0x7c/0x94 fs/open.c:821
__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
-> #4 (&dquot->dq_lock){+.+.}-{3:3}:
__mutex_lock_common+0x190/0x1f38 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
dquot_commit+0x50/0x1c4 fs/quota/dquot.c:507
ext4_write_dquot+0x1b4/0x31c fs/ext4/super.c:6790
ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6867
mark_dquot_dirty fs/quota/dquot.c:372 [inline]
mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412
__dquot_alloc_space+0x560/0xce8 fs/quota/dquot.c:1752
dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline]
dquot_alloc_space include/linux/quotaops.h:313 [inline]
dquot_alloc_block include/linux/quotaops.h:337 [inline]
ext4_mb_new_blocks+0xd30/0x435c fs/ext4/mballoc.c:5727
ext4_ext_map_blocks+0x1018/0x559c fs/ext4/extents.c:4340
ext4_map_blocks+0x860/0x1770 fs/ext4/inode.c:679
_ext4_get_block+0x194/0x4c8 fs/ext4/inode.c:822
ext4_get_block+0x4c/0x60 fs/ext4/inode.c:839
ext4_block_write_begin+0x508/0x10f8 fs/ext4/inode.c:1124
ext4_write_begin+0x5ec/0x133c fs/ext4/ext4_jbd2.h:-1
ext4_da_write_begin+0x360/0x9d8 fs/ext4/inode.c:3000
generic_perform_write+0x230/0x4b0 mm/filemap.c:3846
ext4_buffered_write_iter+0x2c4/0x530 fs/ext4/file.c:285
ext4_file_write_iter+0x188/0x152c fs/ext4/file.c:-1
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x5ac/0x7c4 fs/read_write.c:584
ksys_write+0x120/0x210 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:646
__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
-> #3 (&ei->i_data_sem){++++}-{3:3}:
down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
ext4_map_blocks+0x7c4/0x1770 fs/ext4/inode.c:672
mpage_map_one_extent fs/ext4/inode.c:2434 [inline]
mpage_map_and_submit_extent fs/ext4/inode.c:2487 [inline]
ext4_writepages+0xd8c/0x284c fs/ext4/inode.c:2855
do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491
__writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612
writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903
__writeback_inodes_wb+0x110/0x394 fs/fs-writeback.c:1974
wb_writeback+0x414/0xfb0 fs/fs-writeback.c:2079
wb_check_background_flush fs/fs-writeback.c:2145 [inline]
wb_do_writeback fs/fs-writeback.c:2233 [inline]
wb_workfn+0xac0/0xd98 fs/fs-writeback.c:2260
process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849
-> #2 (jbd2_handle){++++}-{0:0}:
start_this_handle+0xfe0/0x122c fs/jbd2/transaction.c:463
jbd2__journal_start+0x288/0x51c fs/jbd2/transaction.c:520
jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:559
ocfs2_start_trans+0x380/0x6c4 fs/ocfs2/journal.c:376
ocfs2_modify_bh+0xe4/0x43c fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x102c/0x131c fs/ocfs2/quota_local.c:764
dquot_load_quota_sb+0x6c4/0xa24 fs/quota/dquot.c:2470
dquot_load_quota_inode+0x274/0x4e4 fs/quota/dquot.c:2507
ocfs2_enable_quotas+0x17c/0x3b4 fs/ocfs2/super.c:926
ocfs2_fill_super+0x3060/0x3e98 fs/ocfs2/super.c:1139
mount_bdev+0x264/0x358 fs/super.c:1443
ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
vfs_get_tree+0x90/0x274 fs/super.c:1573
do_new_mount+0x228/0x810 fs/namespace.c:3058
path_mount+0x5b4/0xe78 fs/namespace.c:3388
do_mount fs/namespace.c:3401 [inline]
__do_sys_mount fs/namespace.c:3609 [inline]
__se_sys_mount fs/namespace.c:3586 [inline]
__arm64_sys_mount+0x49c/0x584 fs/namespace.c:3586
__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
-> #1 (&journal->j_trans_barrier){.+.+}-{3:3}:
down_read+0x64/0x304 kernel/locking/rwsem.c:1520
ocfs2_start_trans+0x374/0x6c4 fs/ocfs2/journal.c:374
ocfs2_modify_bh+0xe4/0x43c fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x102c/0x131c fs/ocfs2/quota_local.c:764
dquot_load_quota_sb+0x6c4/0xa24 fs/quota/dquot.c:2470
dquot_load_quota_inode+0x274/0x4e4 fs/quota/dquot.c:2507
ocfs2_enable_quotas+0x17c/0x3b4 fs/ocfs2/super.c:926
ocfs2_fill_super+0x3060/0x3e98 fs/ocfs2/super.c:1139
mount_bdev+0x264/0x358 fs/super.c:1443
ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
vfs_get_tree+0x90/0x274 fs/super.c:1573
do_new_mount+0x228/0x810 fs/namespace.c:3058
path_mount+0x5b4/0xe78 fs/namespace.c:3388
do_mount fs/namespace.c:3401 [inline]
__do_sys_mount fs/namespace.c:3609 [inline]
__se_sys_mount fs/namespace.c:3586 [inline]
__arm64_sys_mount+0x49c/0x584 fs/namespace.c:3586
__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
-> #0 (sb_internal#3){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1891 [inline]
sb_start_intwrite include/linux/fs.h:2013 [inline]
ocfs2_start_trans+0x20c/0x6c4 fs/ocfs2/journal.c:372
ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593
ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
dqget+0x654/0xccc fs/quota/dquot.c:988
ocfs2_setattr+0xc20/0x18d4 fs/ocfs2/file.c:1233
notify_change+0xb0c/0xdcc fs/attr.c:499
chown_common+0x414/0x574 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xe0/0x158 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__arm64_sys_fchown+0x7c/0x94 fs/open.c:821
__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
other info that might help us debug this:
Chain exists of:
sb_internal#3 --> &ocfs2_quota_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3);
lock(&ocfs2_quota_ip_alloc_sem_key);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3);
lock(sb_internal#3);
*** DEADLOCK ***
6 locks held by syz.5.326/5629:
#0: ffff0000f5648460 (sb_writers#26){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:437
#1: ffff0000f5aa09c8 (&type->i_mutex_dir_key#16){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000f5aa09c8 (&type->i_mutex_dir_key#16){+.+.}-{3:3}, at: chown_common+0x2ac/0x574 fs/open.c:726
#2: ffff0000f5ab00a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x25c/0xac4 fs/ocfs2/quota_global.c:811
#3: ffff0000f5aa5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#3: ffff0000f5aa5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
#4: ffff0000f5aa5be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314
#5: ffff0000f5aa5108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#5: ffff0000f5aa5108 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x12c/0x3cd4 fs/ocfs2/suballoc.c:782
stack backtrace:
CPU: 0 PID: 5629 Comm: syz.5.326 Not tainted 6.1.145-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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
print_circular_bug+0x148/0x1b0 kernel/locking/lockdep.c:2048
check_noncircular+0x240/0x2d4 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1891 [inline]
sb_start_intwrite include/linux/fs.h:2013 [inline]
ocfs2_start_trans+0x20c/0x6c4 fs/ocfs2/journal.c:372
ocfs2_extend_allocation+0x5d4/0x15ec fs/ocfs2/file.c:593
ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
dqget+0x654/0xccc fs/quota/dquot.c:988
ocfs2_setattr+0xc20/0x18d4 fs/ocfs2/file.c:1233
notify_change+0xb0c/0xdcc fs/attr.c:499
chown_common+0x414/0x574 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xe0/0x158 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__arm64_sys_fchown+0x7c/0x94 fs/open.c:821
__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
(syz.5.326,5629,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xdf8356d3, computed 0xb8c23ae4. Applying ECC.
(syz.5.326,5629,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0xdf8356d3, computed 0x2acb7e3c
(syz.5.326,5629,0):ocfs2_read_quota_phys_block:160 ERROR: status = -5
(syz.5.326,5629,0):ocfs2_quota_read:201 ERROR: status = -5
Quota error (device loop5): qtree_write_dquot: Error -5 occurred while creating quota
(syz.5.326,5629,0):ocfs2_acquire_dquot:878 ERROR: status = -5