JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode.
(syz.2.45,6361,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x98842a5e, computed 0xe74db1cd. Applying ECC.
======================================================
WARNING: possible circular locking dependency detected
6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 Not tainted
------------------------------------------------------
syz.2.45/6361 is trying to acquire lock:
ffff888052a28618 (sb_internal#6){.+.+}-{0:0}, at: ocfs2_extend_allocation+0x6d4/0x17a0 fs/ocfs2/file.c:597
but task is already holding lock:
ffff888076345100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline]
ffff888076345100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640 fs/ocfs2/suballoc.c:788
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){+.+.}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
down_write+0x96/0x1f0 kernel/locking/rwsem.c:1577
inode_lock include/linux/fs.h:869 [inline]
ocfs2_reserve_suballoc_bits+0x15e/0x4640 fs/ocfs2/suballoc.c:788
ocfs2_reserve_cluster_bitmap_bits fs/ocfs2/suballoc.c:1134 [inline]
ocfs2_reserve_clusters_with_limit+0x2fb/0xba0 fs/ocfs2/suballoc.c:1179
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1229 [inline]
ocfs2_lock_allocators+0x2fa/0x5c0 fs/ocfs2/suballoc.c:2772
ocfs2_extend_allocation+0x39b/0x17a0 fs/ocfs2/file.c:589
ocfs2_extend_no_holes+0x20e/0x4a0 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x6c6/0xb30 fs/ocfs2/quota_global.c:853
dqget+0x7ae/0xf10 fs/quota/dquot.c:977
ocfs2_setattr+0xd72/0x1b40 fs/ocfs2/file.c:1233
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #6 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
down_write+0x96/0x1f0 kernel/locking/rwsem.c:1577
ocfs2_lock_global_qf+0x1e8/0x270 fs/ocfs2/quota_global.c:314
ocfs2_acquire_dquot+0x2b0/0xb30 fs/ocfs2/quota_global.c:828
dqget+0x7ae/0xf10 fs/quota/dquot.c:977
ocfs2_setattr+0xd72/0x1b40 fs/ocfs2/file.c:1233
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #5 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
down_write+0x96/0x1f0 kernel/locking/rwsem.c:1577
inode_lock include/linux/fs.h:869 [inline]
ocfs2_lock_global_qf+0x1ca/0x270 fs/ocfs2/quota_global.c:313
ocfs2_acquire_dquot+0x2b0/0xb30 fs/ocfs2/quota_global.c:828
dqget+0x7ae/0xf10 fs/quota/dquot.c:977
ocfs2_setattr+0xd72/0x1b40 fs/ocfs2/file.c:1233
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #4 (&dquot->dq_lock){+.+.}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
__mutex_lock_common kernel/locking/mutex.c:602 [inline]
__mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747
wait_on_dquot fs/quota/dquot.c:354 [inline]
dqget+0x72a/0xf10 fs/quota/dquot.c:972
dquot_transfer+0x2f8/0x6d0 fs/quota/dquot.c:2140
ext4_setattr+0x865/0x1bc0 fs/ext4/inode.c:5817
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #3 (&ei->xattr_sem){++++}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
down_write+0x96/0x1f0 kernel/locking/rwsem.c:1577
ext4_write_lock_xattr fs/ext4/xattr.h:157 [inline]
ext4_xattr_set_handle+0x165/0x1590 fs/ext4/xattr.c:2362
ext4_initxattrs+0x9f/0x110 fs/ext4/xattr_security.c:44
security_inode_init_security+0x2a0/0x3f0 security/security.c:1852
__ext4_new_inode+0x3257/0x3c50 fs/ext4/ialloc.c:1325
ext4_create+0x22d/0x460 fs/ext4/namei.c:2822
lookup_open fs/namei.c:3717 [inline]
open_last_lookups fs/namei.c:3816 [inline]
path_openat+0x14f4/0x3830 fs/namei.c:4052
do_filp_open+0x1fa/0x410 fs/namei.c:4082
do_sys_openat2+0x121/0x1c0 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1463
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #2 (jbd2_handle){++++}-{0:0}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
start_this_handle+0x1fa7/0x21c0 fs/jbd2/transaction.c:444
jbd2__journal_start+0x2c1/0x5b0 fs/jbd2/transaction.c:501
jbd2_journal_start+0x2a/0x40 fs/jbd2/transaction.c:540
ocfs2_start_trans+0x376/0x6d0 fs/ocfs2/journal.c:374
ocfs2_modify_bh+0xe8/0x470 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1465/0x17e0 fs/ocfs2/quota_local.c:767
dquot_load_quota_sb+0x78e/0xbd0 fs/quota/dquot.c:2459
dquot_load_quota_inode+0x2e1/0x5d0 fs/quota/dquot.c:2496
ocfs2_enable_quotas+0x1c6/0x450 fs/ocfs2/super.c:930
ocfs2_fill_super+0x5115/0x63d0 fs/ocfs2/super.c:1140
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1681
vfs_get_tree+0x92/0x2b0 fs/super.c:1804
do_new_mount+0x24a/0xa40 fs/namespace.c:3902
do_mount fs/namespace.c:4239 [inline]
__do_sys_mount fs/namespace.c:4450 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4427
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&journal->j_trans_barrier){.+.+}-{4:4}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
down_read+0x46/0x2e0 kernel/locking/rwsem.c:1524
ocfs2_start_trans+0x36a/0x6d0 fs/ocfs2/journal.c:372
ocfs2_modify_bh+0xe8/0x470 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1465/0x17e0 fs/ocfs2/quota_local.c:767
dquot_load_quota_sb+0x78e/0xbd0 fs/quota/dquot.c:2459
dquot_load_quota_inode+0x2e1/0x5d0 fs/quota/dquot.c:2496
ocfs2_enable_quotas+0x1c6/0x450 fs/ocfs2/super.c:930
ocfs2_fill_super+0x5115/0x63d0 fs/ocfs2/super.c:1140
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1681
vfs_get_tree+0x92/0x2b0 fs/super.c:1804
do_new_mount+0x24a/0xa40 fs/namespace.c:3902
do_mount fs/namespace.c:4239 [inline]
__do_sys_mount fs/namespace.c:4450 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4427
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (sb_internal#6){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3168 [inline]
check_prevs_add kernel/locking/lockdep.c:3287 [inline]
validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline]
percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
__sb_start_write include/linux/fs.h:1795 [inline]
sb_start_intwrite include/linux/fs.h:1978 [inline]
ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370
ocfs2_extend_allocation+0x6d4/0x17a0 fs/ocfs2/file.c:597
ocfs2_extend_no_holes+0x20e/0x4a0 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x6c6/0xb30 fs/ocfs2/quota_global.c:853
dqget+0x7ae/0xf10 fs/quota/dquot.c:977
ocfs2_setattr+0xd72/0x1b40 fs/ocfs2/file.c:1233
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
sb_internal#6 --> &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);
rlock(sb_internal#6);
*** DEADLOCK ***
6 locks held by syz.2.45/6361:
#0: ffff888052a28428 (sb_writers#23){.+.+}-{0:0}, at: mnt_want_write_file+0x60/0x200 fs/namespace.c:601
#1: ffff8880763409c0 (&type->i_mutex_dir_key#16){++++}-{4:4}, at: inode_lock_killable include/linux/fs.h:874 [inline]
#1: ffff8880763409c0 (&type->i_mutex_dir_key#16){++++}-{4:4}, at: chown_common+0x313/0x5c0 fs/open.c:778
#2: ffff88807607e0a8 (&dquot->dq_lock){+.+.}-{4:4}, at: ocfs2_acquire_dquot+0x2a3/0xb30 fs/ocfs2/quota_global.c:823
#3: ffff888076345f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline]
#3: ffff888076345f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}, at: ocfs2_lock_global_qf+0x1ca/0x270 fs/ocfs2/quota_global.c:313
#4: ffff888076345be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_lock_global_qf+0x1e8/0x270 fs/ocfs2/quota_global.c:314
#5: ffff888076345100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline]
#5: ffff888076345100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640 fs/ocfs2/suballoc.c:788
stack backtrace:
CPU: 1 UID: 0 PID: 6361 Comm: syz.2.45 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
check_prev_add kernel/locking/lockdep.c:3168 [inline]
check_prevs_add kernel/locking/lockdep.c:3287 [inline]
validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline]
percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
__sb_start_write include/linux/fs.h:1795 [inline]
sb_start_intwrite include/linux/fs.h:1978 [inline]
ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370
ocfs2_extend_allocation+0x6d4/0x17a0 fs/ocfs2/file.c:597
ocfs2_extend_no_holes+0x20e/0x4a0 fs/ocfs2/file.c:1027
ocfs2_acquire_dquot+0x6c6/0xb30 fs/ocfs2/quota_global.c:853
dqget+0x7ae/0xf10 fs/quota/dquot.c:977
ocfs2_setattr+0xd72/0x1b40 fs/ocfs2/file.c:1233
notify_change+0xb36/0xe40 fs/attr.c:552
chown_common+0x40c/0x5c0 fs/open.c:790
vfs_fchown fs/open.c:858 [inline]
ksys_fchown+0xea/0x160 fs/open.c:870
__do_sys_fchown fs/open.c:875 [inline]
__se_sys_fchown fs/open.c:873 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:873
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feefbb8e929
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:00007feefc940038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007feefbdb5fa0 RCX: 00007feefbb8e929
RDX: 000000002108420a RSI: 000000003a736e6f RDI: 0000000000000004
RBP: 00007feefbc10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007feefbdb5fa0 R15: 00007ffcf2ccc4d8
</TASK>
(syz.2.45,6361,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xdf8356d3, computed 0xb8c23ae4. Applying ECC.
(syz.2.45,6361,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0xdf8356d3, computed 0x2acb7e3c
(syz.2.45,6361,0):ocfs2_read_quota_phys_block:160 ERROR: status = -5
(syz.2.45,6361,1):ocfs2_quota_read:201 ERROR: status = -5
Quota error (device loop2): qtree_write_dquot: Error -5 occurred while creating quota
(syz.2.45,6361,0):ocfs2_acquire_dquot:890 ERROR: status = -5