ocfs2: Slot 0 on device (7,3) was already allocated to this node!
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode.
overlayfs: upper fs does not support tmpfile.
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.3.2996/18812 is trying to acquire lock:
ffff8880769d5f58 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
ffff8880769d5f58 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_remove_inode fs/ocfs2/inode.c:655 [inline]
ffff8880769d5f58 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
ffff8880769d5f58 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ffff8880769d5f58 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_evict_inode+0x1d84/0x41e0 fs/ocfs2/inode.c:1219
but task is already holding lock:
ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:776 [inline]
ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_evict_inode+0x2d24/0x41e0 fs/ocfs2/inode.c:1219
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}:
down_write+0x97/0x200 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:804 [inline]
ocfs2_del_inode_from_orphan+0x12f/0x7a0 fs/ocfs2/namei.c:2716
ocfs2_dio_end_io_write fs/ocfs2/aops.c:2333 [inline]
ocfs2_dio_end_io+0x546/0x1200 fs/ocfs2/aops.c:2431
dio_complete+0x254/0x710 fs/direct-io.c:282
__blockdev_direct_IO+0x2ea8/0x3500 fs/direct-io.c:1308
ocfs2_direct_IO+0x235/0x2a0 fs/ocfs2/aops.c:2468
generic_file_direct_write+0x1d4/0x3e0 mm/filemap.c:3956
__generic_file_write_iter+0x11b/0x230 mm/filemap.c:4112
ocfs2_file_write_iter+0x167a/0x1e80 fs/ocfs2/file.c:2468
do_iter_readv_writev fs/read_write.c:-1 [inline]
do_iter_write+0x738/0xc30 fs/read_write.c:860
iter_file_splice_write+0x6a3/0xcb0 fs/splice.c:736
do_splice_from fs/splice.c:933 [inline]
direct_splice_actor+0xe8/0x130 fs/splice.c:1142
splice_direct_to_actor+0x304/0x8c0 fs/splice.c:1088
do_splice_direct+0x1d5/0x2f0 fs/splice.c:1194
do_sendfile+0x5f2/0xef0 fs/read_write.c:1254
__do_sys_sendfile64 fs/read_write.c:1322 [inline]
__se_sys_sendfile64+0x145/0x1a0 fs/read_write.c:1308
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #2 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}:
down_write+0x97/0x200 kernel/locking/rwsem.c:1573
ocfs2_create_local_dquot+0x1a9/0x18f0 fs/ocfs2/quota_local.c:1224
ocfs2_acquire_dquot+0x7f1/0xb10 fs/ocfs2/quota_global.c:871
dqget+0x77c/0xeb0 fs/quota/dquot.c:990
__dquot_initialize+0x3c7/0xcd0 fs/quota/dquot.c:1518
ocfs2_get_init_inode+0x148/0x1c0 fs/ocfs2/namei.c:202
ocfs2_mknod+0x867/0x2300 fs/ocfs2/namei.c:310
ocfs2_mkdir+0x196/0x430 fs/ocfs2/namei.c:657
vfs_mkdir+0x296/0x440 fs/namei.c:4121
do_mkdirat+0x1dc/0x450 fs/namei.c:4144
__do_sys_mkdirat fs/namei.c:4159 [inline]
__se_sys_mkdirat fs/namei.c:4157 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4157
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&dquot->dq_lock){+.+.}-{3:3}:
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x136/0xcc0 kernel/locking/mutex.c:747
wait_on_dquot fs/quota/dquot.c:358 [inline]
dqget+0x6fc/0xeb0 fs/quota/dquot.c:985
__dquot_initialize+0x3c7/0xcd0 fs/quota/dquot.c:1518
ocfs2_get_init_inode+0x148/0x1c0 fs/ocfs2/namei.c:202
ocfs2_mknod+0x867/0x2300 fs/ocfs2/namei.c:310
ocfs2_mkdir+0x196/0x430 fs/ocfs2/namei.c:657
vfs_mkdir+0x296/0x440 fs/namei.c:4121
do_mkdirat+0x1dc/0x450 fs/namei.c:4144
__do_sys_mkdirat fs/namei.c:4159 [inline]
__se_sys_mkdirat fs/namei.c:4157 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4157
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2df1/0x7d40 kernel/locking/lockdep.c:5137
lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754
down_write+0x97/0x200 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:804 [inline]
ocfs2_remove_inode fs/ocfs2/inode.c:655 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ocfs2_evict_inode+0x1d84/0x41e0 fs/ocfs2/inode.c:1219
evict+0x4ca/0x8d0 fs/inode.c:705
ocfs2_dentry_iput+0x24e/0x390 fs/ocfs2/dcache.c:418
__dentry_kill+0x431/0x650 fs/dcache.c:611
dentry_kill+0xb8/0x290 fs/dcache.c:-1
dput+0xfe/0x1e0 fs/dcache.c:918
ovl_check_rename_whiteout fs/overlayfs/super.c:652 [inline]
ovl_make_workdir fs/overlayfs/super.c:751 [inline]
ovl_get_workdir+0xb02/0x17c0 fs/overlayfs/super.c:874
ovl_fill_super+0x13ff/0x3620 fs/overlayfs/super.c:1427
vfs_get_super fs/super.c:1346 [inline]
get_tree_nodev+0xb5/0x140 fs/super.c:1365
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
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]#2 --> &ocfs2_quota_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]);
lock(&ocfs2_quota_ip_alloc_sem_key);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2);
*** DEADLOCK ***
5 locks held by syz.3.2996/18812:
#0: ffff8880548220e0 (&type->s_umount_key#77/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x920 fs/super.c:352
#1: ffff88802ecf8418 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:412
#2: ffff8880769d5118 (&sb->s_type->i_mutex_key#40/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline]
#2: ffff8880769d5118 (&sb->s_type->i_mutex_key#40/1){+.+.}-{3:3}, at: ovl_check_rename_whiteout fs/overlayfs/super.c:614 [inline]
#2: ffff8880769d5118 (&sb->s_type->i_mutex_key#40/1){+.+.}-{3:3}, at: ovl_make_workdir fs/overlayfs/super.c:751 [inline]
#2: ffff8880769d5118 (&sb->s_type->i_mutex_key#40/1){+.+.}-{3:3}, at: ovl_get_workdir+0x6ce/0x17c0 fs/overlayfs/super.c:874
#3: ffff88805de84bd0 (&osb->nfs_sync_rwlock){++++}-{3:3}, at: ocfs2_nfs_sync_lock+0x107/0x270 fs/ocfs2/dlmglue.c:2876
#4: ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
#4: ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_wipe_inode fs/ocfs2/inode.c:776 [inline]
#4: ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
#4: ffff8880542042d8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}, at: ocfs2_evict_inode+0x2d24/0x41e0 fs/ocfs2/inode.c:1219
stack backtrace:
CPU: 0 PID: 18812 Comm: syz.3.2996 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
<TASK>
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
check_noncircular+0x2fc/0x400 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2df1/0x7d40 kernel/locking/lockdep.c:5137
lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754
down_write+0x97/0x200 kernel/locking/rwsem.c:1573
inode_lock include/linux/fs.h:804 [inline]
ocfs2_remove_inode fs/ocfs2/inode.c:655 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ocfs2_evict_inode+0x1d84/0x41e0 fs/ocfs2/inode.c:1219
evict+0x4ca/0x8d0 fs/inode.c:705
ocfs2_dentry_iput+0x24e/0x390 fs/ocfs2/dcache.c:418
__dentry_kill+0x431/0x650 fs/dcache.c:611
dentry_kill+0xb8/0x290 fs/dcache.c:-1
dput+0xfe/0x1e0 fs/dcache.c:918
ovl_check_rename_whiteout fs/overlayfs/super.c:652 [inline]
ovl_make_workdir fs/overlayfs/super.c:751 [inline]
ovl_get_workdir+0xb02/0x17c0 fs/overlayfs/super.c:874
ovl_fill_super+0x13ff/0x3620 fs/overlayfs/super.c:1427
vfs_get_super fs/super.c:1346 [inline]
get_tree_nodev+0xb5/0x140 fs/super.c:1365
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f21f7b9af79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f21f89de028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f21f7e15fa0 RCX: 00007f21f7b9af79
RDX: 0000200000000b80 RSI: 0000200000000580 RDI: 0000000000000000
RBP: 00007f21f7c316e0 R08: 00002000000001c0 R09: 0000000000000000
R10: 0000000000004008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f21f7e16038 R14: 00007f21f7e15fa0 R15: 00007ffd38343058
</TASK>
overlayfs: upper fs does not support RENAME_WHITEOUT.
overlayfs: failed to set xattr on upper
overlayfs: ...falling back to redirect_dir=nofollow.
overlayfs: ...falling back to index=off.
overlayfs: ...falling back to uuid=null.
overlayfs: upper fs missing required features.