JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 Not tainted ------------------------------------------------------ syz.2.6488/22081 is trying to acquire lock: ffff0000dde714a0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_xattr_ibody_find+0x100/0x668 fs/ocfs2/xattr.c:2689 but task is already holding lock: ffff0000dde71538 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set_handle+0x2a8/0x5e4 fs/ocfs2/xattr.c:3501 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1590 ocfs2_xattr_set_handle+0x2a8/0x5e4 fs/ocfs2/xattr.c:3501 ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307 ocfs2_symlink+0x16a0/0x1ff8 fs/ocfs2/namei.c:2013 vfs_symlink+0x138/0x288 fs/namei.c:4730 do_symlinkat+0x17c/0x360 fs/namei.c:4756 __do_sys_symlinkat fs/namei.c:4772 [inline] __se_sys_symlinkat fs/namei.c:4769 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4769 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 -> #3 (jbd2_handle){++++}-{0:0}: jbd2_journal_lock_updates+0xb0/0x2fc fs/jbd2/transaction.c:861 __ocfs2_flush_truncate_log+0x280/0xf6c fs/ocfs2/alloc.c:6037 ocfs2_flush_truncate_log fs/ocfs2/alloc.c:6084 [inline] ocfs2_truncate_log_shutdown+0x118/0x284 fs/ocfs2/alloc.c:6343 ocfs2_dismount_volume+0x1f4/0x8cc fs/ocfs2/super.c:1827 ocfs2_put_super+0xec/0x320 fs/ocfs2/super.c:1553 generic_shutdown_super+0x12c/0x2b8 fs/super.c:643 kill_block_super+0x44/0x90 fs/super.c:1766 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1378 __cleanup_mnt+0x20/0x30 fs/namespace.c:1385 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x174/0x1f4 arch/arm64/kernel/entry-common.c:155 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:173 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:182 [inline] el0_svc+0xb8/0x180 arch/arm64/kernel/entry-common.c:880 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 -> #2 (&ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE]){+.+.}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1590 inode_lock include/linux/fs.h:869 [inline] ocfs2_try_to_free_truncate_log+0xb0/0x2e0 fs/ocfs2/alloc.c:6132 ocfs2_reserve_clusters_with_limit+0x3b4/0x9e0 fs/ocfs2/suballoc.c:1186 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:674 [inline] ocfs2_reserve_suballoc_bits+0x610/0x3b9c fs/ocfs2/suballoc.c:834 ocfs2_reserve_new_metadata_blocks+0x368/0x810 fs/ocfs2/suballoc.c:984 ocfs2_calc_security_init+0x2e8/0x518 fs/ocfs2/xattr.c:590 ocfs2_symlink+0x978/0x1ff8 fs/ocfs2/namei.c:1911 vfs_symlink+0x138/0x288 fs/namei.c:4730 do_symlinkat+0x17c/0x360 fs/namei.c:4756 __do_sys_symlinkat fs/namei.c:4772 [inline] __se_sys_symlinkat fs/namei.c:4769 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4769 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 -> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1590 inode_lock include/linux/fs.h:869 [inline] ocfs2_reserve_suballoc_bits+0x12c/0x3b9c fs/ocfs2/suballoc.c:788 ocfs2_reserve_new_metadata_blocks+0x368/0x810 fs/ocfs2/suballoc.c:984 ocfs2_expand_inline_dir fs/ocfs2/dir.c:2845 [inline] ocfs2_extend_dir+0x970/0x3964 fs/ocfs2/dir.c:3207 ocfs2_prepare_dir_for_insert+0x281c/0x4664 fs/ocfs2/dir.c:4312 ocfs2_symlink+0x62c/0x1ff8 fs/ocfs2/namei.c:1875 vfs_symlink+0x138/0x288 fs/namei.c:4730 do_symlinkat+0x17c/0x360 fs/namei.c:4756 __do_sys_symlinkat fs/namei.c:4772 [inline] __se_sys_symlinkat fs/namei.c:4769 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4769 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 -> #0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x1774/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 down_read+0x58/0x2f8 kernel/locking/rwsem.c:1537 ocfs2_xattr_ibody_find+0x100/0x668 fs/ocfs2/xattr.c:2689 ocfs2_xattr_set_handle+0x2bc/0x5e4 fs/ocfs2/xattr.c:3503 ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307 ocfs2_symlink+0x16a0/0x1ff8 fs/ocfs2/namei.c:2013 vfs_symlink+0x138/0x288 fs/namei.c:4730 do_symlinkat+0x17c/0x360 fs/namei.c:4756 __do_sys_symlinkat fs/namei.c:4772 [inline] __se_sys_symlinkat fs/namei.c:4769 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4769 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 other info that might help us debug this: Chain exists of: &ocfs2_file_ip_alloc_sem_key --> 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); rlock(&ocfs2_file_ip_alloc_sem_key); *** DEADLOCK *** 8 locks held by syz.2.6488/22081: #0: ffff000112106428 (sb_writers#20){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:557 #1: ffff0000f0eaed80 (&type->i_mutex_dir_key#12/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:914 [inline] #1: ffff0000f0eaed80 (&type->i_mutex_dir_key#12/1){+.+.}-{4:4}, at: filename_create+0x1ac/0x32c fs/namei.c:4139 #2: ffff0000dde76d80 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] #2: ffff0000dde76d80 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x12c/0x3b9c fs/ocfs2/suballoc.c:788 #3: ffff0000dde73480 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] #3: ffff0000dde73480 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x104/0x26a0 fs/ocfs2/localalloc.c:636 #4: ffff000112106618 (sb_internal#4){.+.+}-{0:0}, at: ocfs2_symlink+0xa68/0x1ff8 fs/ocfs2/namei.c:1930 #5: ffff0000d35cd4e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x35c/0x6b0 fs/ocfs2/journal.c:372 #6: ffff000111a40950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xe4c/0x10dc fs/jbd2/transaction.c:442 #7: ffff0000dde71538 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set_handle+0x2a8/0x5e4 fs/ocfs2/xattr.c:3501 stack backtrace: CPU: 0 UID: 0 PID: 22081 Comm: syz.2.6488 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_circular_bug+0x324/0x32c kernel/locking/lockdep.c:2043 check_noncircular+0x154/0x174 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x1774/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 down_read+0x58/0x2f8 kernel/locking/rwsem.c:1537 ocfs2_xattr_ibody_find+0x100/0x668 fs/ocfs2/xattr.c:2689 ocfs2_xattr_set_handle+0x2bc/0x5e4 fs/ocfs2/xattr.c:3503 ocfs2_init_security_set+0xb4/0xd8 fs/ocfs2/xattr.c:7307 ocfs2_symlink+0x16a0/0x1ff8 fs/ocfs2/namei.c:2013 vfs_symlink+0x138/0x288 fs/namei.c:4730 do_symlinkat+0x17c/0x360 fs/namei.c:4756 __do_sys_symlinkat fs/namei.c:4772 [inline] __se_sys_symlinkat fs/namei.c:4769 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4769 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596