======================================================
WARNING: possible circular locking dependency detected
6.13.0-rc2-syzkaller-g2e7aff49b5da #0 Not tainted
------------------------------------------------------
syz.3.278/8310 is trying to acquire lock:
ffff0000f7b25f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
ffff0000f7b25f40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: ocfs2_xattr_set+0xb60/0x1448 fs/ocfs2/xattr.c:3622

but task is already holding lock:
ffff0000f7b24e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x4e0/0x1448 fs/ocfs2/xattr.c:3583

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #4 (&oi->ip_xattr_sem){++++}-{4:4}:
       down_read+0x58/0x2fc kernel/locking/rwsem.c:1524
       ocfs2_init_acl+0x2c8/0x764 fs/ocfs2/acl.c:366
       ocfs2_mknod+0x1388/0x2438 fs/ocfs2/namei.c:410
       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_block_group_alloc fs/ocfs2/suballoc.c:685 [inline]
       ocfs2_reserve_suballoc_bits+0x840/0x4254 fs/ocfs2/suballoc.c:832
       ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982
       ocfs2_mknod+0xdc8/0x2438 fs/ocfs2/namei.c:347
       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

-> #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_block_group_alloc fs/ocfs2/suballoc.c:685 [inline]
       ocfs2_reserve_suballoc_bits+0x840/0x4254 fs/ocfs2/suballoc.c:832
       ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982
       ocfs2_mknod+0xdc8/0x2438 fs/ocfs2/namei.c:347
       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

-> #1 (sb_internal#2){.+.+}-{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_remove_btree_range+0x700/0x147c fs/ocfs2/alloc.c:5752
       ocfs2_commit_truncate+0xa18/0x214c fs/ocfs2/alloc.c:7353
       ocfs2_truncate_file+0xc10/0x14b4 fs/ocfs2/file.c:509
       ocfs2_setattr+0x1328/0x19e4 fs/ocfs2/file.c:1212
       notify_change+0x9f0/0xca0 fs/attr.c:552
       do_truncate+0x1c0/0x28c fs/open.c:65
       vfs_truncate+0x2b8/0x360 fs/open.c:111
       do_sys_truncate+0xe8/0x1ac fs/open.c:134
       __do_sys_truncate fs/open.c:146 [inline]
       __se_sys_truncate fs/open.c:144 [inline]
       __arm64_sys_truncate+0x5c/0x70 fs/open.c:144
       __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_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{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_write+0x50/0xc0 kernel/locking/rwsem.c:1577
       inode_lock include/linux/fs.h:818 [inline]
       ocfs2_xattr_set+0xb60/0x1448 fs/ocfs2/xattr.c:3622
       ocfs2_xattr_security_set+0x4c/0x64 fs/ocfs2/xattr.c:7241
       __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
       __vfs_setxattr_noperm+0x110/0x578 fs/xattr.c:234
       __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
       vfs_setxattr+0x1a8/0x344 fs/xattr.c:321
       do_setxattr fs/xattr.c:636 [inline]
       filename_setxattr+0x260/0x404 fs/xattr.c:665
       path_setxattrat+0x370/0x41c fs/xattr.c:713
       __do_sys_lsetxattr fs/xattr.c:754 [inline]
       __se_sys_lsetxattr fs/xattr.c:750 [inline]
       __arm64_sys_lsetxattr+0xc0/0xdc fs/xattr.c:750
       __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_sysfile_lock_key[args->fi_sysfile_type]#6 --> 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);
  lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6);

 *** DEADLOCK ***

3 locks held by syz.3.278/8310:
 #0: ffff0000c832e420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515
 #1: ffff0000f7b25100 (&sb->s_type->i_mutex_key#32){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
 #1: ffff0000f7b25100 (&sb->s_type->i_mutex_key#32){+.+.}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320
 #2: ffff0000f7b24e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x4e0/0x1448 fs/ocfs2/xattr.c:3583

stack backtrace:
CPU: 1 UID: 0 PID: 8310 Comm: syz.3.278 Not tainted 6.13.0-rc2-syzkaller-g2e7aff49b5da #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:484 (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_write+0x50/0xc0 kernel/locking/rwsem.c:1577
 inode_lock include/linux/fs.h:818 [inline]
 ocfs2_xattr_set+0xb60/0x1448 fs/ocfs2/xattr.c:3622
 ocfs2_xattr_security_set+0x4c/0x64 fs/ocfs2/xattr.c:7241
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
 __vfs_setxattr_noperm+0x110/0x578 fs/xattr.c:234
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x260/0x404 fs/xattr.c:665
 path_setxattrat+0x370/0x41c fs/xattr.c:713
 __do_sys_lsetxattr fs/xattr.c:754 [inline]
 __se_sys_lsetxattr fs/xattr.c:750 [inline]
 __arm64_sys_lsetxattr+0xc0/0xdc fs/xattr.c:750
 __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