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
6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 Not tainted
------------------------------------------------------
syz.5.8953/28998 is trying to acquire lock:
ffff88802ad04618 (sb_internal#5){.+.+}-{0:0}, at: ocfs2_acquire_dquot+0x455/0xb30

but task is already holding lock:
ffff888111a85d60 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_lock_global_qf+0x1e8/0x270

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #6 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}:
       lock_acquire+0x120/0x360
       down_write+0x96/0x1f0
       ocfs2_lock_global_qf+0x1e8/0x270
       ocfs2_acquire_dquot+0x2b0/0xb30
       dqget+0x7b1/0xf10
       __dquot_initialize+0x3b3/0xcb0
       ocfs2_get_init_inode+0x13b/0x1b0
       ocfs2_mknod+0x863/0x2050
       ocfs2_mkdir+0x191/0x440
       vfs_mkdir+0x306/0x510
       do_mkdirat+0x247/0x590
       __x64_sys_mkdirat+0x87/0xa0
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #5 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}:
       lock_acquire+0x120/0x360
       down_write+0x96/0x1f0
       ocfs2_lock_global_qf+0x1ca/0x270
       ocfs2_acquire_dquot+0x2b0/0xb30
       dqget+0x7b1/0xf10
       __dquot_initialize+0x3b3/0xcb0
       ocfs2_get_init_inode+0x13b/0x1b0
       ocfs2_mknod+0x863/0x2050
       ocfs2_mkdir+0x191/0x440
       vfs_mkdir+0x306/0x510
       do_mkdirat+0x247/0x590
       __x64_sys_mkdirat+0x87/0xa0
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #4 (&dquot->dq_lock){+.+.}-{4:4}:
       lock_acquire+0x120/0x360
       __mutex_lock+0x182/0xe80
       dqget+0x72a/0xf10
       dquot_transfer+0x4b8/0x6d0
       ext4_setattr+0x865/0x1bc0
       notify_change+0xb36/0xe40
       chown_common+0x40c/0x5c0
       do_fchownat+0x161/0x270
       __x64_sys_lchown+0x85/0xa0
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #3 (&ei->xattr_sem){++++}-{4:4}:
       lock_acquire+0x120/0x360
       down_read+0x46/0x2e0
       ext4_setattr+0x855/0x1bc0
       notify_change+0xb36/0xe40
       chown_common+0x40c/0x5c0
       do_fchownat+0x161/0x270
       __x64_sys_chown+0x82/0xa0
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (jbd2_handle){++++}-{0:0}:
       lock_acquire+0x120/0x360
       start_this_handle+0x1fa7/0x21c0
       jbd2__journal_start+0x2c1/0x5b0
       jbd2_journal_start+0x2a/0x40
       ocfs2_start_trans+0x376/0x6d0
       ocfs2_mknod+0xe93/0x2050
       ocfs2_create+0x1a5/0x440
       path_openat+0x14f4/0x3830
       do_filp_open+0x1fa/0x410
       do_sys_openat2+0x121/0x1c0
       __x64_sys_open+0x11e/0x150
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (&journal->j_trans_barrier){.+.+}-{4:4}:
       lock_acquire+0x120/0x360
       down_read+0x46/0x2e0
       ocfs2_start_trans+0x36a/0x6d0
       ocfs2_mknod+0xe93/0x2050
       ocfs2_create+0x1a5/0x440
       path_openat+0x14f4/0x3830
       do_filp_open+0x1fa/0x410
       do_sys_openat2+0x121/0x1c0
       __x64_sys_open+0x11e/0x150
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (sb_internal#5){.+.+}-{0:0}:
       validate_chain+0xb9b/0x2140
       __lock_acquire+0xab9/0xd20
       lock_acquire+0x120/0x360
       ocfs2_start_trans+0x26b/0x6d0
       ocfs2_acquire_dquot+0x455/0xb30
       dqget+0x7b1/0xf10
       __dquot_initialize+0x3b3/0xcb0
       ocfs2_get_init_inode+0x13b/0x1b0
       ocfs2_mknod+0x863/0x2050
       ocfs2_mkdir+0x191/0x440
       vfs_mkdir+0x306/0x510
       do_mkdirat+0x247/0x590
       __x64_sys_mkdirat+0x87/0xa0
       do_syscall_64+0xfa/0x3b0
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  sb_internal#5 --> &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);
  rlock(sb_internal#5);

 *** DEADLOCK ***

6 locks held by syz.5.8953/28998:
 #0: ffff88802ad04428 (sb_writers#34){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff888111a809c0 (&type->i_mutex_dir_key#26/1){+.+.}-{4:4}, at: filename_create+0x1f9/0x470
 #2: ffff88802c0026c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640
 #3: ffff8880234520a8 (&dquot->dq_lock){+.+.}-{4:4}, at: ocfs2_acquire_dquot+0x2a3/0xb30
 #4: ffff888111a860c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{4:4}, at: ocfs2_lock_global_qf+0x1ca/0x270
 #5: ffff888111a85d60 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_lock_global_qf+0x1e8/0x270

stack backtrace:
CPU: 0 UID: 0 PID: 28998 Comm: syz.5.8953 Not tainted 6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 print_circular_bug+0x2ee/0x310
 check_noncircular+0x134/0x160
 validate_chain+0xb9b/0x2140
 __lock_acquire+0xab9/0xd20
 lock_acquire+0x120/0x360
 ocfs2_start_trans+0x26b/0x6d0
 ocfs2_acquire_dquot+0x455/0xb30
 dqget+0x7b1/0xf10
 __dquot_initialize+0x3b3/0xcb0
 ocfs2_get_init_inode+0x13b/0x1b0
 ocfs2_mknod+0x863/0x2050
 ocfs2_mkdir+0x191/0x440
 vfs_mkdir+0x306/0x510
 do_mkdirat+0x247/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc2158d217
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007fbc22385e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fbc22385ef0 RCX: 00007fbc2158d217
RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c
RBP: 0000200000000140 R08: 00002000000000c0 R09: 0000000000000000
R10: 0000200000000140 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fbc22385eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
