JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,8) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.1.127-syzkaller #0 Not tainted ------------------------------------------------------ syz.8.642/7569 is trying to acquire lock: ffff0000fc88b488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] ffff0000fc88b488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x164/0x4428 fs/ocfs2/suballoc.c:782 but task is already holding lock: ffff0000fc9bc2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] ffff0000fc9bc2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0xfc/0x25dc fs/ocfs2/localalloc.c:635 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}: down_write+0x5c/0x88 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:758 [inline] ocfs2_reserve_local_alloc_bits+0xfc/0x25dc fs/ocfs2/localalloc.c:635 ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x474/0x1a04 fs/ocfs2/file.c:585 ocfs2_extend_no_holes+0x1b0/0x45c fs/ocfs2/file.c:1027 ocfs2_acquire_dquot+0x620/0xb1c fs/ocfs2/quota_global.c:836 dqget+0x660/0xcec fs/quota/dquot.c:988 ocfs2_setattr+0xe58/0x1b5c fs/ocfs2/file.c:1233 notify_change+0xb58/0xe1c fs/attr.c:499 chown_common+0x4e8/0x7d8 fs/open.c:736 vfs_fchown fs/open.c:804 [inline] ksys_fchown+0xe0/0x158 fs/open.c:815 __do_sys_fchown fs/open.c:823 [inline] __se_sys_fchown fs/open.c:821 [inline] __arm64_sys_fchown+0x7c/0x94 fs/open.c:821 __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+0x58/0x168 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 -> #7 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}: down_write+0x5c/0x88 kernel/locking/rwsem.c:1573 ocfs2_lock_global_qf+0x1d4/0x260 fs/ocfs2/quota_global.c:314 ocfs2_acquire_dquot+0x27c/0xb1c fs/ocfs2/quota_global.c:811 dqget+0x660/0xcec fs/quota/dquot.c:988 ocfs2_setattr+0xe58/0x1b5c fs/ocfs2/file.c:1233 notify_change+0xb58/0xe1c fs/attr.c:499 chown_common+0x4e8/0x7d8 fs/open.c:736 vfs_fchown fs/open.c:804 [inline] ksys_fchown+0xe0/0x158 fs/open.c:815 __do_sys_fchown fs/open.c:823 [inline] __se_sys_fchown fs/open.c:821 [inline] __arm64_sys_fchown+0x7c/0x94 fs/open.c:821 __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+0x58/0x168 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]#4){+.+.}-{3:3}: down_write+0x5c/0x88 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:758 [inline] ocfs2_lock_global_qf+0x1b8/0x260 fs/ocfs2/quota_global.c:313 ocfs2_acquire_dquot+0x27c/0xb1c fs/ocfs2/quota_global.c:811 dqget+0x660/0xcec fs/quota/dquot.c:988 ocfs2_setattr+0xe58/0x1b5c fs/ocfs2/file.c:1233 notify_change+0xb58/0xe1c fs/attr.c:499 chown_common+0x4e8/0x7d8 fs/open.c:736 vfs_fchown fs/open.c:804 [inline] ksys_fchown+0xe0/0x158 fs/open.c:815 __do_sys_fchown fs/open.c:823 [inline] __se_sys_fchown fs/open.c:821 [inline] __arm64_sys_fchown+0x7c/0x94 fs/open.c:821 __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+0x58/0x168 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+0x190/0x21a0 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+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6770 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6830 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb28/0xf50 fs/quota/dquot.c:1752 dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline] dquot_alloc_space include/linux/quotaops.h:313 [inline] dquot_alloc_block include/linux/quotaops.h:337 [inline] ext4_mb_new_blocks+0xe8c/0x4680 fs/ext4/mballoc.c:5727 ext4_ext_map_blocks+0x15a8/0x6638 fs/ext4/extents.c:4339 ext4_map_blocks+0x810/0x1810 fs/ext4/inode.c:678 _ext4_get_block+0x1c0/0x5a0 fs/ext4/inode.c:821 ext4_get_block+0x4c/0x60 fs/ext4/inode.c:838 ext4_block_write_begin+0x500/0x1130 fs/ext4/inode.c:1123 ext4_write_begin+0x620/0x138c generic_perform_write+0x278/0x55c mm/filemap.c:3845 ext4_buffered_write_iter+0x2e0/0x538 fs/ext4/file.c:285 ext4_file_write_iter+0x18c/0x1654 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __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+0x58/0x168 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+0x77c/0x1810 fs/ext4/inode.c:671 mpage_map_one_extent fs/ext4/inode.c:2433 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2486 [inline] ext4_writepages+0x1050/0x32b4 fs/ext4/inode.c:2854 do_writepages+0x2e8/0x56c mm/page-writeback.c:2491 __writeback_single_inode+0x16c/0x1770 fs/fs-writeback.c:1612 writeback_sb_inodes+0x978/0x1718 fs/fs-writeback.c:1903 __writeback_inodes_wb+0x110/0x39c fs/fs-writeback.c:1974 wb_writeback+0x428/0x1130 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+0xc98/0x1034 fs/fs-writeback.c:2260 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec 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+0x1140/0x13ac fs/jbd2/transaction.c:463 jbd2__journal_start+0x298/0x544 fs/jbd2/transaction.c:520 jbd2_journal_start+0x3c/0x4c fs/jbd2/transaction.c:559 ocfs2_start_trans+0x3e8/0x73c fs/ocfs2/journal.c:354 ocfs2_fileattr_set+0x290/0x6e4 fs/ocfs2/ioctl.c:119 vfs_fileattr_set+0x70c/0xad4 fs/ioctl.c:696 do_vfs_ioctl+0x14cc/0x26f8 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __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+0x58/0x168 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+0x64/0x308 kernel/locking/rwsem.c:1520 ocfs2_start_trans+0x3dc/0x73c fs/ocfs2/journal.c:352 ocfs2_fileattr_set+0x290/0x6e4 fs/ocfs2/ioctl.c:119 vfs_fileattr_set+0x70c/0xad4 fs/ioctl.c:696 do_vfs_ioctl+0x14cc/0x26f8 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __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+0x58/0x168 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#6){.+.+}-{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+0x260/0x73c fs/ocfs2/journal.c:350 ocfs2_shutdown_local_alloc+0x1d8/0x8d8 fs/ocfs2/localalloc.c:416 ocfs2_dismount_volume+0x1fc/0x99c fs/ocfs2/super.c:1879 ocfs2_put_super+0x110/0x3e8 fs/ocfs2/super.c:1609 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 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]#3){+.+.}-{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+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 down_write+0x5c/0x88 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:758 [inline] ocfs2_reserve_suballoc_bits+0x164/0x4428 fs/ocfs2/suballoc.c:782 ocfs2_reserve_cluster_bitmap_bits+0xcc/0x1e0 fs/ocfs2/suballoc.c:1128 ocfs2_local_alloc_reserve_for_window fs/ocfs2/localalloc.c:1112 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1248 [inline] ocfs2_reserve_local_alloc_bits+0x758/0x25dc fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x474/0x1a04 fs/ocfs2/file.c:585 ocfs2_extend_no_holes+0x1b0/0x45c fs/ocfs2/file.c:1027 ocfs2_acquire_dquot+0x620/0xb1c fs/ocfs2/quota_global.c:836 dqget+0x660/0xcec fs/quota/dquot.c:988 ocfs2_setattr+0xe58/0x1b5c fs/ocfs2/file.c:1233 notify_change+0xb58/0xe1c fs/attr.c:499 chown_common+0x4e8/0x7d8 fs/open.c:736 vfs_fchown fs/open.c:804 [inline] ksys_fchown+0xe0/0x158 fs/open.c:815 __do_sys_fchown fs/open.c:823 [inline] __se_sys_fchown fs/open.c:821 [inline] __arm64_sys_fchown+0x7c/0x94 fs/open.c:821 __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+0x58/0x168 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]#3 --> &ocfs2_quota_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); lock(&ocfs2_quota_ip_alloc_sem_key); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3); *** DEADLOCK *** 6 locks held by syz.8.642/7569: #0: ffff0000dc114460 (sb_writers#30){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:437 #1: ffff0000fc88c2c8 (&type->i_mutex_dir_key#22){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #1: ffff0000fc88c2c8 (&type->i_mutex_dir_key#22){+.+.}-{3:3}, at: chown_common+0x358/0x7d8 fs/open.c:726 #2: ffff0000fc9fa0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x270/0xb1c fs/ocfs2/quota_global.c:806 #3: ffff0000fc88a648 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #3: ffff0000fc88a648 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x1b8/0x260 fs/ocfs2/quota_global.c:313 #4: ffff0000fc88a2e0 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x1d4/0x260 fs/ocfs2/quota_global.c:314 #5: ffff0000fc9bc2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #5: ffff0000fc9bc2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0xfc/0x25dc fs/ocfs2/localalloc.c:635 stack backtrace: CPU: 1 PID: 7569 Comm: syz.8.642 Not tainted 6.1.127-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 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+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 down_write+0x5c/0x88 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:758 [inline] ocfs2_reserve_suballoc_bits+0x164/0x4428 fs/ocfs2/suballoc.c:782 ocfs2_reserve_cluster_bitmap_bits+0xcc/0x1e0 fs/ocfs2/suballoc.c:1128 ocfs2_local_alloc_reserve_for_window fs/ocfs2/localalloc.c:1112 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1248 [inline] ocfs2_reserve_local_alloc_bits+0x758/0x25dc fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x474/0x1a04 fs/ocfs2/file.c:585 ocfs2_extend_no_holes+0x1b0/0x45c fs/ocfs2/file.c:1027 ocfs2_acquire_dquot+0x620/0xb1c fs/ocfs2/quota_global.c:836 dqget+0x660/0xcec fs/quota/dquot.c:988 ocfs2_setattr+0xe58/0x1b5c fs/ocfs2/file.c:1233 notify_change+0xb58/0xe1c fs/attr.c:499 chown_common+0x4e8/0x7d8 fs/open.c:736 vfs_fchown fs/open.c:804 [inline] ksys_fchown+0xe0/0x158 fs/open.c:815 __do_sys_fchown fs/open.c:823 [inline] __se_sys_fchown fs/open.c:821 [inline] __arm64_sys_fchown+0x7c/0x94 fs/open.c:821 __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+0x58/0x168 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