====================================================== WARNING: possible circular locking dependency detected 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Not tainted ------------------------------------------------------ syz.1.482/10119 is trying to acquire lock: ffff0000c697a610 (sb_internal#5){.+.+}-{0:0}, at: ocfs2_orphan_for_truncate fs/ocfs2/file.c:396 [inline] ffff0000c697a610 (sb_internal#5){.+.+}-{0:0}, at: ocfs2_truncate_file+0x600/0x14b4 fs/ocfs2/file.c:500 but task is already holding lock: ffff0000dd198660 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_truncate_file+0x318/0x14b4 fs/ocfs2/file.c:471 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}: down_write+0x50/0xc0 kernel/locking/rwsem.c:1577 ocfs2_try_remove_refcount_tree+0xb4/0x2f0 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x670/0x1448 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x410/0x4b4 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x230/0x374 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:954 [inline] vfs_remove_acl+0x470/0x6f4 fs/posix_acl.c:1241 removexattr fs/xattr.c:1022 [inline] filename_removexattr fs/xattr.c:1052 [inline] path_removexattrat+0x2dc/0x598 fs/xattr.c:1088 __do_sys_lremovexattr fs/xattr.c:1106 [inline] __se_sys_lremovexattr fs/xattr.c:1103 [inline] __arm64_sys_lremovexattr+0x64/0x7c fs/xattr.c:1103 __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 (&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 -> #2 (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 -> #1 (&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 -> #0 (sb_internal#5){.+.+}-{0:0}: 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 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_orphan_for_truncate fs/ocfs2/file.c:396 [inline] ocfs2_truncate_file+0x600/0x14b4 fs/ocfs2/file.c:500 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 do_coredump+0x24c0/0x2934 fs/coredump.c:735 get_signal+0xfa0/0x1534 kernel/signal.c:3002 do_signal+0x1a4/0x39e4 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_ia+0x104/0x248 arch/arm64/kernel/entry-common.c:623 el0t_64_sync_handler+0xb4/0x108 arch/arm64/kernel/entry-common.c:768 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 other info that might help us debug this: Chain exists of: sb_internal#5 --> &oi->ip_xattr_sem --> &ocfs2_file_ip_alloc_sem_key Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_file_ip_alloc_sem_key); lock(&oi->ip_xattr_sem); lock(&ocfs2_file_ip_alloc_sem_key); rlock(sb_internal#5); *** DEADLOCK *** 2 locks held by syz.1.482/10119: #0: ffff0000dd1989c0 (&sb->s_type->i_mutex_key#36){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #0: ffff0000dd1989c0 (&sb->s_type->i_mutex_key#36){+.+.}-{4:4}, at: do_truncate+0x1ac/0x28c fs/open.c:63 #1: ffff0000dd198660 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_truncate_file+0x318/0x14b4 fs/ocfs2/file.c:471 stack backtrace: CPU: 0 UID: 0 PID: 10119 Comm: syz.1.482 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #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:466 (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 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_orphan_for_truncate fs/ocfs2/file.c:396 [inline] ocfs2_truncate_file+0x600/0x14b4 fs/ocfs2/file.c:500 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 do_coredump+0x24c0/0x2934 fs/coredump.c:735 get_signal+0xfa0/0x1534 kernel/signal.c:3002 do_signal+0x1a4/0x39e4 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_ia+0x104/0x248 arch/arm64/kernel/entry-common.c:623 el0t_64_sync_handler+0xb4/0x108 arch/arm64/kernel/entry-common.c:768 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 OCFS2: ERROR (device loop1): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 23 has 4294967295 used bits but only 16777215 total On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: Returning error to the calling process. (syz.1.482,10119,1):ocfs2_claim_suballoc_bits:2038 ERROR: status = -5 (syz.1.482,10119,1):__ocfs2_claim_clusters:2412 ERROR: status = -5 (syz.1.482,10119,1):__ocfs2_claim_clusters:2420 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_local_alloc_new_window:1199 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_local_alloc_new_window:1224 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_local_alloc_slide_window:1298 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_local_alloc_slide_window:1317 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_reserve_clusters_with_limit:1170 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_reserve_clusters_with_limit:1219 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_convert_inline_data_to_extents:7080 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_try_to_write_inline_data:1563 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_write_begin_nolock:1675 ERROR: status = -5 (syz.1.482,10119,1):ocfs2_write_begin:1905 ERROR: status = -5