JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,4) on (node local, slot 0) with ordered data mode.
======================================================
WARNING: possible circular locking dependency detected
6.1.140-syzkaller #0 Not tainted
------------------------------------------------------
syz.4.275/5614 is trying to acquire lock:
ffff0000f4a542c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
ffff0000f4a542c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0xf8/0x278c fs/ocfs2/localalloc.c:635

but task is already holding lock:
ffff0000f4bf0660 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #7 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314
       ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
       dqget+0x654/0xccc fs/quota/dquot.c:988
       dquot_set_dqblk+0x40/0xe50 fs/quota/dquot.c:2833
       quota_setquota+0x400/0x490 fs/quota/quota.c:310
       do_quotactl+0x65c/0x738 fs/quota/quota.c:802
       __do_sys_quotactl fs/quota/quota.c:960 [inline]
       __se_sys_quotactl fs/quota/quota.c:916 [inline]
       __arm64_sys_quotactl+0x2ac/0x730 fs/quota/quota.c:916
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #6 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       inode_lock include/linux/fs.h:758 [inline]
       ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
       ocfs2_acquire_dquot+0x268/0xac4 fs/ocfs2/quota_global.c:816
       dqget+0x654/0xccc fs/quota/dquot.c:988
       dquot_set_dqblk+0x40/0xe50 fs/quota/dquot.c:2833
       quota_setquota+0x400/0x490 fs/quota/quota.c:310
       do_quotactl+0x65c/0x738 fs/quota/quota.c:802
       __do_sys_quotactl fs/quota/quota.c:960 [inline]
       __se_sys_quotactl fs/quota/quota.c:916 [inline]
       __arm64_sys_quotactl+0x2ac/0x730 fs/quota/quota.c:916
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #5 (&dquot->dq_lock){+.+.}-{3:3}:
       __mutex_lock_common+0x190/0x1f38 kernel/locking/mutex.c:603
       __mutex_lock kernel/locking/mutex.c:747 [inline]
       mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
       dquot_commit+0x50/0x1c4 fs/quota/dquot.c:507
       ext4_write_dquot+0x1b4/0x31c fs/ext4/super.c:6778
       ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6855
       mark_dquot_dirty fs/quota/dquot.c:372 [inline]
       mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412
       __dquot_free_space+0x744/0xa80 fs/quota/dquot.c:1942
       dquot_free_space_nodirty include/linux/quotaops.h:379 [inline]
       dquot_free_space include/linux/quotaops.h:384 [inline]
       dquot_free_block include/linux/quotaops.h:395 [inline]
       ext4_mb_clear_bb fs/ext4/mballoc.c:6143 [inline]
       ext4_free_blocks+0x18c8/0x23cc fs/ext4/mballoc.c:6273
       ext4_remove_blocks fs/ext4/extents.c:2507 [inline]
       ext4_ext_rm_leaf fs/ext4/extents.c:2691 [inline]
       ext4_ext_remove_space+0x15ac/0x39c4 fs/ext4/extents.c:2939
       ext4_ext_truncate+0x164/0x20c fs/ext4/extents.c:4469
       ext4_truncate+0x9dc/0x1078 fs/ext4/inode.c:4289
       ext4_setattr+0xda8/0x150c fs/ext4/inode.c:5630
       notify_change+0xb0c/0xdcc fs/attr.c:499
       do_truncate+0x178/0x1f0 fs/open.c:65
       handle_truncate fs/namei.c:3285 [inline]
       do_open fs/namei.c:3630 [inline]
       path_openat+0x20d0/0x2680 fs/namei.c:3783
       do_filp_open+0x174/0x344 fs/namei.c:3810
       do_sys_openat2+0x128/0x3d8 fs/open.c:1318
       do_sys_open fs/open.c:1334 [inline]
       __do_sys_openat fs/open.c:1350 [inline]
       __se_sys_openat fs/open.c:1345 [inline]
       __arm64_sys_openat+0x120/0x154 fs/open.c:1345
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #4 (&ei->i_data_sem){++++}-{3:3}:
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       ext4_map_blocks+0x7c4/0x1770 fs/ext4/inode.c:672
       mpage_map_one_extent fs/ext4/inode.c:2434 [inline]
       mpage_map_and_submit_extent fs/ext4/inode.c:2487 [inline]
       ext4_writepages+0xd8c/0x284c fs/ext4/inode.c:2855
       do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491
       __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612
       writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903
       __writeback_inodes_wb+0x110/0x394 fs/fs-writeback.c:1974
       wb_writeback+0x414/0xfb0 fs/fs-writeback.c:2079
       wb_check_background_flush fs/fs-writeback.c:2145 [inline]
       wb_do_writeback fs/fs-writeback.c:2233 [inline]
       wb_workfn+0xac0/0xd98 fs/fs-writeback.c:2260
       process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
       worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
       kthread+0x250/0x2d8 kernel/kthread.c:376
       ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864

-> #3 (jbd2_handle){++++}-{0:0}:
       start_this_handle+0xfe0/0x122c fs/jbd2/transaction.c:463
       jbd2__journal_start+0x288/0x51c fs/jbd2/transaction.c:520
       jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:559
       ocfs2_start_trans+0x380/0x6c4 fs/ocfs2/journal.c:376
       ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1258 [inline]
       ocfs2_reserve_local_alloc_bits+0xb8c/0x278c fs/ocfs2/localalloc.c:668
       ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1162
       ocfs2_reserve_clusters+0x3c/0x50 fs/ocfs2/suballoc.c:1223
       ocfs2_mknod+0xc2c/0x1f18 fs/ocfs2/namei.c:354
       ocfs2_mkdir+0x19c/0x4f0 fs/ocfs2/namei.c:657
       vfs_mkdir+0x314/0x4d4 fs/namei.c:4106
       do_mkdirat+0x1b4/0x3e0 fs/namei.c:4131
       __do_sys_mkdirat fs/namei.c:4146 [inline]
       __se_sys_mkdirat fs/namei.c:4144 [inline]
       __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #2 (&journal->j_trans_barrier){.+.+}-{3:3}:
       down_read+0x64/0x304 kernel/locking/rwsem.c:1520
       ocfs2_start_trans+0x374/0x6c4 fs/ocfs2/journal.c:374
       ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1258 [inline]
       ocfs2_reserve_local_alloc_bits+0xb8c/0x278c fs/ocfs2/localalloc.c:668
       ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1162
       ocfs2_reserve_clusters+0x3c/0x50 fs/ocfs2/suballoc.c:1223
       ocfs2_mknod+0xc2c/0x1f18 fs/ocfs2/namei.c:354
       ocfs2_mkdir+0x19c/0x4f0 fs/ocfs2/namei.c:657
       vfs_mkdir+0x314/0x4d4 fs/namei.c:4106
       do_mkdirat+0x1b4/0x3e0 fs/namei.c:4131
       __do_sys_mkdirat fs/namei.c:4146 [inline]
       __se_sys_mkdirat fs/namei.c:4144 [inline]
       __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #1 (sb_internal#2){.+.+}-{0:0}:
       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
       __sb_start_write include/linux/fs.h:1891 [inline]
       sb_start_intwrite include/linux/fs.h:2013 [inline]
       ocfs2_start_trans+0x20c/0x6c4 fs/ocfs2/journal.c:372
       ocfs2_symlink+0xacc/0x20f0 fs/ocfs2/namei.c:1915
       vfs_symlink+0x238/0x3b0 fs/namei.c:4471
       do_symlinkat+0x174/0x350 fs/namei.c:4500
       __do_sys_symlinkat fs/namei.c:4517 [inline]
       __se_sys_symlinkat fs/namei.c:4514 [inline]
       __arm64_sys_symlinkat+0xa4/0xbc fs/namei.c:4514
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

-> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3090 [inline]
       check_prevs_add kernel/locking/lockdep.c:3209 [inline]
       validate_chain kernel/locking/lockdep.c:3825 [inline]
       __lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
       lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
       down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
       inode_lock include/linux/fs.h:758 [inline]
       ocfs2_reserve_local_alloc_bits+0xf8/0x278c fs/ocfs2/localalloc.c:635
       ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1162
       ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
       ocfs2_lock_allocators+0x27c/0x518 fs/ocfs2/suballoc.c:2669
       ocfs2_extend_allocation+0x328/0x15ec fs/ocfs2/file.c:585
       ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
       ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
       dqget+0x654/0xccc fs/quota/dquot.c:988
       dquot_set_dqblk+0x40/0xe50 fs/quota/dquot.c:2833
       quota_setquota+0x400/0x490 fs/quota/quota.c:310
       do_quotactl+0x65c/0x738 fs/quota/quota.c:802
       __do_sys_quotactl fs/quota/quota.c:960 [inline]
       __se_sys_quotactl fs/quota/quota.c:916 [inline]
       __arm64_sys_quotactl+0x2ac/0x730 fs/quota/quota.c:916
       __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
       invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
       el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
       do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
       el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
       el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
       el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

other info that might help us debug this:

Chain exists of:
  &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 --> &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);
  lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4);

 *** DEADLOCK ***

4 locks held by syz.4.275/5614:
 #0: ffff0000d3b100e0 (&type->s_umount_key#47){++++}-{3:3}, at: user_get_super+0x118/0x234 fs/super.c:889
 #1: ffff0000fa8420a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x25c/0xac4 fs/ocfs2/quota_global.c:811
 #2: ffff0000f4bf09c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #2: ffff0000f4bf09c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#7){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x18c/0x22c fs/ocfs2/quota_global.c:313
 #3: ffff0000f4bf0660 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x1a8/0x22c fs/ocfs2/quota_global.c:314

stack backtrace:
CPU: 0 PID: 5614 Comm: syz.4.275 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 print_circular_bug+0x148/0x1b0 kernel/locking/lockdep.c:2048
 check_noncircular+0x240/0x2d4 kernel/locking/lockdep.c:2170
 check_prev_add kernel/locking/lockdep.c:3090 [inline]
 check_prevs_add kernel/locking/lockdep.c:3209 [inline]
 validate_chain kernel/locking/lockdep.c:3825 [inline]
 __lock_acquire+0x293c/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 down_write+0x5c/0x88 kernel/locking/rwsem.c:1573
 inode_lock include/linux/fs.h:758 [inline]
 ocfs2_reserve_local_alloc_bits+0xf8/0x278c fs/ocfs2/localalloc.c:635
 ocfs2_reserve_clusters_with_limit+0x198/0x9e0 fs/ocfs2/suballoc.c:1162
 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
 ocfs2_lock_allocators+0x27c/0x518 fs/ocfs2/suballoc.c:2669
 ocfs2_extend_allocation+0x328/0x15ec fs/ocfs2/file.c:585
 ocfs2_extend_no_holes+0x1a8/0x424 fs/ocfs2/file.c:1027
 ocfs2_acquire_dquot+0x550/0xac4 fs/ocfs2/quota_global.c:841
 dqget+0x654/0xccc fs/quota/dquot.c:988
 dquot_set_dqblk+0x40/0xe50 fs/quota/dquot.c:2833
 quota_setquota+0x400/0x490 fs/quota/quota.c:310
 do_quotactl+0x65c/0x738 fs/quota/quota.c:802
 __do_sys_quotactl fs/quota/quota.c:960 [inline]
 __se_sys_quotactl fs/quota/quota.c:916 [inline]
 __arm64_sys_quotactl+0x2ac/0x730 fs/quota/quota.c:916
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585