(syz.5.4586,15611,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,5) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.1.121-syzkaller #0 Tainted: G W
------------------------------------------------------
syz.5.4586/15611 is trying to acquire lock:
ffff888075a34650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_info+0x124/0x3a0 fs/ocfs2/quota_global.c:977
but task is already holding lock:
ffff88805bc65be0 (&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:
-> #6 (&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:811
dqget+0x762/0xe90 fs/quota/dquot.c:988
dquot_get_next_dqblk+0xb6/0x3a0 fs/quota/dquot.c:2720
quota_getnextquota+0x2bc/0x6b0 fs/quota/quota.c:250
__do_sys_quotactl fs/quota/quota.c:960 [inline]
__se_sys_quotactl+0x2b1/0x770 fs/quota/quota.c:916
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 (&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:811
dqget+0x762/0xe90 fs/quota/dquot.c:988
dquot_get_next_dqblk+0xb6/0x3a0 fs/quota/dquot.c:2720
quota_getnextquota+0x2bc/0x6b0 fs/quota/quota.c:250
__do_sys_quotactl fs/quota/quota.c:960 [inline]
__se_sys_quotactl+0x2b1/0x770 fs/quota/quota.c:916
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 (&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:6770
mark_dquot_dirty fs/quota/dquot.c:372 [inline]
mark_all_dquot_dirty+0xf7/0x400 fs/quota/dquot.c:412
__dquot_free_space+0x956/0xe70 fs/quota/dquot.c:1942
dquot_free_space_nodirty include/linux/quotaops.h:379 [inline]
dquot_free_space include/linux/quotaops.h:384 [inline]
dquot_free_block include/linux/quotaops.h:395 [inline]
ext4_mb_clear_bb fs/ext4/mballoc.c:6143 [inline]
ext4_free_blocks+0x1fb4/0x3020 fs/ext4/mballoc.c:6273
ext4_remove_blocks fs/ext4/extents.c:2525 [inline]
ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
ext4_ext_remove_space+0x22bb/0x4f30 fs/ext4/extents.c:2939
ext4_ext_truncate+0x201/0x360 fs/ext4/extents.c:4469
ext4_truncate+0xa1d/0x1290 fs/ext4/inode.c:4288
ext4_process_orphan+0x1aa/0x2d0 fs/ext4/orphan.c:339
ext4_orphan_cleanup+0xb70/0x1400 fs/ext4/orphan.c:474
__ext4_fill_super fs/ext4/super.c:5522 [inline]
ext4_fill_super+0x83f6/0x8b50 fs/ext4/super.c:5653
get_tree_bdev+0x3fe/0x620 fs/super.c:1366
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
-> #3 (&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_map_blocks+0x955/0x1cb0 fs/ext4/inode.c:671
mpage_map_one_extent fs/ext4/inode.c:2433 [inline]
mpage_map_and_submit_extent fs/ext4/inode.c:2486 [inline]
ext4_writepages+0x1643/0x3de0 fs/ext4/inode.c:2854
do_writepages+0x3a2/0x670 mm/page-writeback.c:2491
__writeback_single_inode+0x15d/0x11e0 fs/fs-writeback.c:1612
writeback_sb_inodes+0xc2b/0x1b20 fs/fs-writeback.c:1903
__writeback_inodes_wb+0x114/0x400 fs/fs-writeback.c:1974
wb_writeback+0x4b1/0xe10 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+0xc9e/0x1020 fs/fs-writeback.c:2260
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
-> #2 (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_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
-> #1 (&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_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 (sb_internal#2){.+.+}-{0:0}:
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
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_write_info+0x124/0x3a0 fs/ocfs2/quota_global.c:977
dquot_set_dqinfo+0x488/0x6f0 fs/quota/dquot.c:2911
quota_setinfo+0x3d6/0x4f0 fs/quota/quota.c:174
__do_sys_quotactl fs/quota/quota.c:960 [inline]
__se_sys_quotactl+0x2b1/0x770 fs/quota/quota.c:916
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:
sb_internal#2 --> &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(sb_internal#2);
*** DEADLOCK ***
3 locks held by syz.5.4586/15611:
#0: ffff888075a340e0 (&type->s_umount_key#55){++++}-{3:3}, at: user_get_super+0x11a/0x250 fs/super.c:889
#1: ffff88805bc65f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff88805bc65f48 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x202/0x2a0 fs/ocfs2/quota_global.c:313
#2: ffff88805bc65be0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314
stack backtrace:
CPU: 1 PID: 15611 Comm: syz.5.4586 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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
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_write_info+0x124/0x3a0 fs/ocfs2/quota_global.c:977
dquot_set_dqinfo+0x488/0x6f0 fs/quota/dquot.c:2911
quota_setinfo+0x3d6/0x4f0 fs/quota/quota.c:174
__do_sys_quotactl fs/quota/quota.c:960 [inline]
__se_sys_quotactl+0x2b1/0x770 fs/quota/quota.c:916
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: 0033:0x7f7e00585d29
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:00007f7e0141a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f7e00775fa0 RCX: 00007f7e00585d29
RDX: 0000000000000000 RSI: 0000000020000540 RDI: ffffffff80000600
RBP: 00007f7e00601aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000580 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7e00775fa0 R15: 00007ffd67a38138
</TASK>