ocfs2: Mounting device (7,4) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0 Not tainted
------------------------------------------------------
syz.4.3113/23208 is trying to acquire lock:
ffff888054e2b1b8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_calc_xattr_init+0x208/0xd70 fs/ocfs2/xattr.c:627
but task is already holding lock:
ffff8880783e5f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
ffff8880783e5f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70 fs/ocfs2/suballoc.c:786
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]#4){+.+.}-{4:4}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
down_write+0x99/0x220 kernel/locking/rwsem.c:1577
inode_lock include/linux/fs.h:818 [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+0x209f/0x4630 fs/ocfs2/inode.c:1216
evict+0x4ea/0x9a0 fs/inode.c:796
d_delete_notify include/linux/fsnotify.h:332 [inline]
vfs_rmdir+0x3d7/0x510 fs/namei.c:4407
do_rmdir+0x3b5/0x580 fs/namei.c:4453
__do_sys_unlinkat fs/namei.c:4629 [inline]
__se_sys_unlinkat fs/namei.c:4623 [inline]
__x64_sys_unlinkat+0xde/0xf0 fs/namei.c:4623
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #2 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
down_write+0x99/0x220 kernel/locking/rwsem.c:1577
inode_lock include/linux/fs.h:818 [inline]
ocfs2_del_inode_from_orphan+0x159/0x800 fs/ocfs2/namei.c:2728
ocfs2_dio_end_io_write fs/ocfs2/aops.c:2329 [inline]
ocfs2_dio_end_io+0x55b/0x1250 fs/ocfs2/aops.c:2427
dio_complete+0x253/0x6b0 fs/direct-io.c:281
__blockdev_direct_IO+0x3eb6/0x4890 fs/direct-io.c:1303
ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2464
generic_file_direct_write+0x1e8/0x400 mm/filemap.c:3978
__generic_file_write_iter+0x126/0x230 mm/filemap.c:4142
ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
down_write+0x99/0x220 kernel/locking/rwsem.c:1577
ocfs2_try_remove_refcount_tree+0xb6/0x330 fs/ocfs2/refcounttree.c:932
ocfs2_xattr_set+0xa4f/0x1930 fs/ocfs2/xattr.c:3669
ocfs2_set_acl+0x4cb/0x580 fs/ocfs2/acl.c:254
ocfs2_iop_set_acl+0x24a/0x3c0 fs/ocfs2/acl.c:286
set_posix_acl fs/posix_acl.c:954 [inline]
vfs_set_acl+0x7ff/0xa60 fs/posix_acl.c:1133
do_setxattr fs/xattr.c:633 [inline]
file_setxattr+0x23a/0x2b0 fs/xattr.c:646
path_setxattrat+0x483/0x510 fs/xattr.c:711
__do_sys_fsetxattr fs/xattr.c:761 [inline]
__se_sys_fsetxattr fs/xattr.c:758 [inline]
__x64_sys_fsetxattr+0xbc/0xe0 fs/xattr.c:758
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (&oi->ip_xattr_sem){++++}-{4:4}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904
__lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524
ocfs2_calc_xattr_init+0x208/0xd70 fs/ocfs2/xattr.c:627
ocfs2_mknod+0x1231/0x2b30 fs/ocfs2/namei.c:330
ocfs2_create+0x1ab/0x470 fs/ocfs2/namei.c:674
vfs_create+0x23e/0x3d0 fs/namei.c:3348
do_mknodat+0x447/0x5b0 fs/namei.c:4239
__do_sys_mknodat fs/namei.c:4267 [inline]
__se_sys_mknodat fs/namei.c:4264 [inline]
__x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4264
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
&oi->ip_xattr_sem --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type] --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]);
lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4);
rlock(&oi->ip_xattr_sem);
*** DEADLOCK ***
3 locks held by syz.4.3113/23208:
#0: ffff888055f18420 (sb_writers#32){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888054e2b480 (&type->i_mutex_dir_key#21/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:853 [inline]
#1: ffff888054e2b480 (&type->i_mutex_dir_key#21/1){+.+.}-{4:4}, at: filename_create+0x260/0x540 fs/namei.c:4080
#2: ffff8880783e5f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#2: ffff8880783e5f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70 fs/ocfs2/suballoc.c:786
stack backtrace:
CPU: 0 UID: 0 PID: 23208 Comm: syz.4.3113 Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074
check_noncircular+0x36a/0x4a0 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+0x18ef/0x5920 kernel/locking/lockdep.c:3904
__lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524
ocfs2_calc_xattr_init+0x208/0xd70 fs/ocfs2/xattr.c:627
ocfs2_mknod+0x1231/0x2b30 fs/ocfs2/namei.c:330
ocfs2_create+0x1ab/0x470 fs/ocfs2/namei.c:674
vfs_create+0x23e/0x3d0 fs/namei.c:3348
do_mknodat+0x447/0x5b0 fs/namei.c:4239
__do_sys_mknodat fs/namei.c:4267 [inline]
__se_sys_mknodat fs/namei.c:4264 [inline]
__x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4264
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f84d2185d29
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:00007f84d3004038 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f84d2375fa0 RCX: 00007f84d2185d29
RDX: 00000000000081c0 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f84d2201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f84d2375fa0 R15: 00007ffca5eaf158
</TASK>