ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.13.0-rc3-syzkaller-g573067a5a685 #0 Not tainted
------------------------------------------------------
syz.0.884/9849 is trying to acquire lock:
ffff0000db656a20 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_xattr_ibody_find+0x100/0x65c fs/ocfs2/xattr.c:2689
but task is already holding lock:
ffff0000db656ab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set_handle+0x40c/0x824 fs/ocfs2/xattr.c:3501
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}:
down_write+0x50/0xc0 kernel/locking/rwsem.c:1577
ocfs2_xattr_set_handle+0x40c/0x824 fs/ocfs2/xattr.c:3501
ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307
ocfs2_mknod+0x1408/0x2438 fs/ocfs2/namei.c:419
ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3984
do_filp_open+0x1e8/0x404 fs/namei.c:4014
do_sys_openat2+0x124/0x1b8 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #3 (jbd2_handle){++++}-{0:0}:
start_this_handle+0xf34/0x11c4 fs/jbd2/transaction.c:448
jbd2__journal_start+0x298/0x544 fs/jbd2/transaction.c:505
jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:544
ocfs2_start_trans+0x3d0/0x71c fs/ocfs2/journal.c:352
ocfs2_modify_bh+0xe4/0x484 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1220/0x15bc fs/ocfs2/quota_local.c:771
dquot_load_quota_sb+0x6e4/0xb24 fs/quota/dquot.c:2459
dquot_load_quota_inode+0x280/0x4f4 fs/quota/dquot.c:2496
ocfs2_enable_quotas+0x17c/0x3cc fs/ocfs2/super.c:926
ocfs2_fill_super+0x3e30/0x48d0 fs/ocfs2/super.c:1141
mount_bdev+0x1d4/0x2a0 fs/super.c:1693
ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188
legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
vfs_get_tree+0x90/0x28c fs/super.c:1814
do_new_mount+0x278/0x900 fs/namespace.c:3507
path_mount+0x590/0xe04 fs/namespace.c:3834
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4057 [inline]
__se_sys_mount fs/namespace.c:4034 [inline]
__arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
ocfs2_start_trans+0x3c4/0x71c fs/ocfs2/journal.c:350
ocfs2_modify_bh+0xe4/0x484 fs/ocfs2/quota_local.c:101
ocfs2_local_read_info+0x1220/0x15bc fs/ocfs2/quota_local.c:771
dquot_load_quota_sb+0x6e4/0xb24 fs/quota/dquot.c:2459
dquot_load_quota_inode+0x280/0x4f4 fs/quota/dquot.c:2496
ocfs2_enable_quotas+0x17c/0x3cc fs/ocfs2/super.c:926
ocfs2_fill_super+0x3e30/0x48d0 fs/ocfs2/super.c:1141
mount_bdev+0x1d4/0x2a0 fs/super.c:1693
ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188
legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
vfs_get_tree+0x90/0x28c fs/super.c:1814
do_new_mount+0x278/0x900 fs/namespace.c:3507
path_mount+0x590/0xe04 fs/namespace.c:3834
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4057 [inline]
__se_sys_mount fs/namespace.c:4034 [inline]
__arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #1 (sb_internal#4){.+.+}-{0:0}:
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1725 [inline]
sb_start_intwrite include/linux/fs.h:1908 [inline]
ocfs2_start_trans+0x244/0x71c fs/ocfs2/journal.c:348
ocfs2_acquire_dquot+0x5c0/0xa90 fs/ocfs2/quota_global.c:855
dqget+0x660/0xcec fs/quota/dquot.c:977
__dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1505
dquot_initialize+0x24/0x34 fs/quota/dquot.c:1567
ocfs2_get_init_inode+0x14c/0x1c0 fs/ocfs2/namei.c:202
ocfs2_mknod+0x878/0x2438 fs/ocfs2/namei.c:310
ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3984
do_filp_open+0x1e8/0x404 fs/namei.c:4014
do_sys_openat2+0x124/0x1b8 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5226
lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849
down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
ocfs2_xattr_ibody_find+0x100/0x65c fs/ocfs2/xattr.c:2689
ocfs2_xattr_set_handle+0x420/0x824 fs/ocfs2/xattr.c:3503
ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307
ocfs2_mknod+0x1408/0x2438 fs/ocfs2/namei.c:419
ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3984
do_filp_open+0x1e8/0x404 fs/namei.c:4014
do_sys_openat2+0x124/0x1b8 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
other info that might help us debug this:
Chain exists of:
&ocfs2_quota_ip_alloc_sem_key --> jbd2_handle --> &oi->ip_xattr_sem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&oi->ip_xattr_sem);
lock(jbd2_handle);
lock(&oi->ip_xattr_sem);
rlock(&ocfs2_quota_ip_alloc_sem_key);
*** DEADLOCK ***
9 locks held by syz.0.884/9849:
#0: ffff0000d0202420 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515
#1: ffff0000dda5ed80 (&type->i_mutex_dir_key#13){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff0000dda5ed80 (&type->i_mutex_dir_key#13){++++}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#1: ffff0000dda5ed80 (&type->i_mutex_dir_key#13){++++}-{4:4}, at: path_openat+0x684/0x2b14 fs/namei.c:3984
#2: ffff0000f1aad100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#2: ffff0000f1aad100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x164/0x4254 fs/ocfs2/suballoc.c:786
#3: ffff0000f1aadf40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#3: ffff0000f1aadf40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x164/0x4254 fs/ocfs2/suballoc.c:786
#4: ffff0000f1aa9800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#4: ffff0000f1aa9800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x108/0x24cc fs/ocfs2/localalloc.c:636
#5: ffff0000d0202610 (sb_internal#4){.+.+}-{0:0}, at: ocfs2_mknod+0xe58/0x2438 fs/ocfs2/namei.c:361
#6: ffff0000c9f838e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3c4/0x71c fs/ocfs2/journal.c:350
#7: ffff0000d0206958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf0c/0x11c4 fs/jbd2/transaction.c:446
#8: ffff0000db656ab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set_handle+0x40c/0x824 fs/ocfs2/xattr.c:3501
stack backtrace:
CPU: 1 UID: 0 PID: 9849 Comm: syz.0.884 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
dump_stack+0x1c/0x28 lib/dump_stack.c:129
print_circular_bug+0x154/0x1c0 kernel/locking/lockdep.c:2074
check_noncircular+0x310/0x404 kernel/locking/lockdep.c:2206
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5226
lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849
down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
ocfs2_xattr_ibody_find+0x100/0x65c fs/ocfs2/xattr.c:2689
ocfs2_xattr_set_handle+0x420/0x824 fs/ocfs2/xattr.c:3503
ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307
ocfs2_mknod+0x1408/0x2438 fs/ocfs2/namei.c:419
ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x13e4/0x2b14 fs/namei.c:3984
do_filp_open+0x1e8/0x404 fs/namei.c:4014
do_sys_openat2+0x124/0x1b8 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600