(syz.4.425,5948,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,4) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.1.132-syzkaller #0 Not tainted
------------------------------------------------------
syz.4.425/5948 is trying to acquire lock:
ffff88805571c2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
ffff88805571c2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0x127/0x2a10 fs/ocfs2/localalloc.c:635
but task is already holding lock:
ffff8880557c5be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #7 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314
ocfs2_acquire_dquot+0x2ad/0xb60 fs/ocfs2/quota_global.c:816
dqget+0x762/0xe90 fs/quota/dquot.c:988
ocfs2_setattr+0xeba/0x1e60 fs/ocfs2/file.c:1233
notify_change+0xce3/0xfc0 fs/attr.c:499
chown_common+0x5aa/0x900 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xde/0x150 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__x64_sys_fchown+0x76/0x80 fs/open.c:821
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #6 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_lock_global_qf+0x202/0x2a0 fs/ocfs2/quota_global.c:313
ocfs2_acquire_dquot+0x2ad/0xb60 fs/ocfs2/quota_global.c:816
dqget+0x762/0xe90 fs/quota/dquot.c:988
ocfs2_setattr+0xeba/0x1e60 fs/ocfs2/file.c:1233
notify_change+0xce3/0xfc0 fs/attr.c:499
chown_common+0x5aa/0x900 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xde/0x150 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__x64_sys_fchown+0x76/0x80 fs/open.c:821
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #5 (&dquot->dq_lock){+.+.}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747
dquot_commit+0x57/0x510 fs/quota/dquot.c:507
ext4_write_dquot+0x1fd/0x360 fs/ext4/super.c:6771
mark_dquot_dirty fs/quota/dquot.c:372 [inline]
mark_all_dquot_dirty+0x1e0/0x400 fs/quota/dquot.c:412
__dquot_alloc_space+0xb68/0x10e0 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+0x1302/0x4b80 fs/ext4/mballoc.c:5727
ext4_ext_map_blocks+0x1c1c/0x7ab0 fs/ext4/extents.c:4339
ext4_map_blocks+0xa2b/0x1cb0 fs/ext4/inode.c:678
ext4_alloc_file_blocks+0x3db/0xce0 fs/ext4/extents.c:4523
ext4_zero_range+0x4f3/0xe40 fs/ext4/extents.c:4640
ext4_fallocate+0x5e6/0x2190 fs/ext4/extents.c:4775
vfs_fallocate+0x547/0x6b0 fs/open.c:323
ksys_fallocate fs/open.c:346 [inline]
__do_sys_fallocate fs/open.c:354 [inline]
__se_sys_fallocate fs/open.c:352 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:352
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #4 (&ei->i_data_sem){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
ext4_truncate+0x999/0x1290 fs/ext4/inode.c:4283
ext4_setattr+0x10f5/0x1a00 fs/ext4/inode.c:5601
notify_change+0xce3/0xfc0 fs/attr.c:499
do_truncate+0x21c/0x300 fs/open.c:65
do_sys_ftruncate+0x2e2/0x380 fs/open.c:193
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #3 (jbd2_handle){++++}-{0:0}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
start_this_handle+0x1f71/0x21b0 fs/jbd2/transaction.c:463
jbd2__journal_start+0x2d1/0x5c0 fs/jbd2/transaction.c:520
jbd2_journal_start+0x25/0x30 fs/jbd2/transaction.c:559
ocfs2_start_trans+0x3c0/0x6f0 fs/ocfs2/journal.c:354
ocfs2_modify_bh+0xe9/0x4c0 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1587/0x19e0 fs/ocfs2/quota_local.c:768
dquot_load_quota_sb+0x754/0xb90 fs/quota/dquot.c:2470
dquot_load_quota_inode+0x318/0x600 fs/quota/dquot.c:2507
ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:926
ocfs2_fill_super+0x4edf/0x5a60 fs/ocfs2/super.c:1139
mount_bdev+0x2c9/0x3f0 fs/super.c:1443
legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #2 (&journal->j_trans_barrier){.+.+}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
ocfs2_start_trans+0x3b5/0x6f0 fs/ocfs2/journal.c:352
ocfs2_modify_bh+0xe9/0x4c0 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1587/0x19e0 fs/ocfs2/quota_local.c:768
dquot_load_quota_sb+0x754/0xb90 fs/quota/dquot.c:2470
dquot_load_quota_inode+0x318/0x600 fs/quota/dquot.c:2507
ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:926
ocfs2_fill_super+0x4edf/0x5a60 fs/ocfs2/super.c:1139
mount_bdev+0x2c9/0x3f0 fs/super.c:1443
legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (sb_internal#6){.+.+}-{0:0}:
lock_acquire+0x1f8/0x5a0 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+0x2b0/0x6f0 fs/ocfs2/journal.c:350
ocfs2_mknod+0x1638/0x2e20 fs/ocfs2/namei.c:361
ocfs2_create+0x1c0/0x4e0 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3482 [inline]
open_last_lookups fs/namei.c:3550 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3780
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 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]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_reserve_local_alloc_bits+0x127/0x2a10 fs/ocfs2/localalloc.c:635
ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669
ocfs2_extend_allocation+0x4e5/0x1d00 fs/ocfs2/file.c:585
ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x60a/0xb60 fs/ocfs2/quota_global.c:841
dqget+0x762/0xe90 fs/quota/dquot.c:988
ocfs2_setattr+0xeba/0x1e60 fs/ocfs2/file.c:1233
notify_change+0xce3/0xfc0 fs/attr.c:499
chown_common+0x5aa/0x900 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xde/0x150 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__x64_sys_fchown+0x76/0x80 fs/open.c:821
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6 --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7 --> &ocfs2_quota_ip_alloc_sem_key
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocfs2_quota_ip_alloc_sem_key);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7);
lock(&ocfs2_quota_ip_alloc_sem_key);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6);
*** DEADLOCK ***
5 locks held by syz.4.425/5948:
#0: ffff88807c740460 (sb_writers#27){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:437
#1: ffff8880557c42c8 (&type->i_mutex_dir_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff8880557c42c8 (&type->i_mutex_dir_key#20){+.+.}-{3:3}, at: chown_common+0x3e5/0x900 fs/open.c:726
#2: ffff8880557520a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x2a0/0xb60 fs/ocfs2/quota_global.c:811
#3: ffff8880557c5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#3: ffff8880557c5f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x202/0x2a0 fs/ocfs2/quota_global.c:313
#4: ffff8880557c5be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314
stack backtrace:
CPU: 0 PID: 5948 Comm: syz.4.425 Not tainted 6.1.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
check_noncircular+0x2fa/0x3b0 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+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:758 [inline]
ocfs2_reserve_local_alloc_bits+0x127/0x2a10 fs/ocfs2/localalloc.c:635
ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669
ocfs2_extend_allocation+0x4e5/0x1d00 fs/ocfs2/file.c:585
ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x60a/0xb60 fs/ocfs2/quota_global.c:841
dqget+0x762/0xe90 fs/quota/dquot.c:988
ocfs2_setattr+0xeba/0x1e60 fs/ocfs2/file.c:1233
notify_change+0xce3/0xfc0 fs/attr.c:499
chown_common+0x5aa/0x900 fs/open.c:736
vfs_fchown fs/open.c:804 [inline]
ksys_fchown+0xde/0x150 fs/open.c:815
__do_sys_fchown fs/open.c:823 [inline]
__se_sys_fchown fs/open.c:821 [inline]
__x64_sys_fchown+0x76/0x80 fs/open.c:821
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7faaa038d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faaa11c8038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007faaa05a5fa0 RCX: 00007faaa038d169
RDX: 000000000000000a RSI: 000000003a736e6f RDI: 0000000000000004
RBP: 00007faaa040e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007faaa05a5fa0 R15: 00007ffdfc0f2ee8
</TASK>