JBD2: Ignoring recovery information on journal jbd2_journal_bmap: journal block not found at offset 32 on loop1-75 JBD2: bad block at offset 32 ocfs2: Mounting device (7,1) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.3431/20461 is trying to acquire lock: ffff888050948610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_begin_inline fs/ocfs2/aops.c:1459 [inline] ffff888050948610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1563 [inline] ffff888050948610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_begin_nolock+0x1c90/0x4350 fs/ocfs2/aops.c:1649 but task is already holding lock: ffff8880581c4da0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_write_begin+0x198/0x310 fs/ocfs2/aops.c:1882 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}: lock_acquire+0x117/0x350 kernel/locking/lockdep.c:5868 down_write+0x96/0x1f0 kernel/locking/rwsem.c:1590 ocfs2_try_remove_refcount_tree+0xb6/0x320 fs/ocfs2/refcounttree.c:933 ocfs2_xattr_set+0x595/0x11f0 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x701/0x7b0 fs/ocfs2/acl.c:255 ocfs2_iop_set_acl+0x1aa/0x2a0 fs/ocfs2/acl.c:287 set_posix_acl fs/posix_acl.c:954 [inline] vfs_set_acl+0x87d/0xb00 fs/posix_acl.c:1133 do_setxattr fs/xattr.c:633 [inline] filename_setxattr+0x2e0/0x600 fs/xattr.c:665 path_setxattrat+0x364/0x3a0 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&oi->ip_xattr_sem){++++}-{4:4}: lock_acquire+0x117/0x350 kernel/locking/lockdep.c:5868 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1537 ocfs2_init_acl+0x2f7/0x7a0 fs/ocfs2/acl.c:367 ocfs2_mknod+0x1305/0x2060 fs/ocfs2/namei.c:413 ocfs2_create+0x195/0x440 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:4409 [inline] open_last_lookups fs/namei.c:4509 [inline] path_openat+0x190f/0x3d90 fs/namei.c:4753 do_filp_open+0x1fa/0x410 fs/namei.c:4783 do_sys_openat2+0x121/0x1c0 fs/open.c:1432 do_sys_open fs/open.c:1447 [inline] __do_sys_openat fs/open.c:1463 [inline] __se_sys_openat fs/open.c:1458 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1458 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: lock_acquire+0x117/0x350 kernel/locking/lockdep.c:5868 down_read+0x46/0x2e0 kernel/locking/rwsem.c:1537 ocfs2_start_trans+0x36a/0x6d0 fs/ocfs2/journal.c:372 ocfs2_modify_bh+0xe8/0x470 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x1465/0x17e0 fs/ocfs2/quota_local.c:767 dquot_load_quota_sb+0x791/0xbd0 fs/quota/dquot.c:2462 dquot_load_quota_inode+0x2e1/0x5d0 fs/quota/dquot.c:2499 ocfs2_enable_quotas+0x1c6/0x450 fs/ocfs2/super.c:930 ocfs2_fill_super+0x5101/0x63c0 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1209 [inline] do_new_mount_fc fs/namespace.c:3658 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3734 do_mount fs/namespace.c:4057 [inline] __do_sys_mount fs/namespace.c:4246 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4223 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sb_internal#2){.+.+}-{0:0}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2130 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x117/0x350 kernel/locking/lockdep.c:5868 percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] __sb_start_write include/linux/fs/super.h:19 [inline] sb_start_intwrite include/linux/fs/super.h:177 [inline] ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370 ocfs2_write_begin_inline fs/ocfs2/aops.c:1459 [inline] ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1563 [inline] ocfs2_write_begin_nolock+0x1c90/0x4350 fs/ocfs2/aops.c:1649 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884 generic_perform_write+0x2c5/0x900 mm/filemap.c:4314 ocfs2_file_write_iter+0x155a/0x1d20 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: sb_internal#2 --> &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#2); *** DEADLOCK *** 4 locks held by syz.1.3431/20461: #0: ffff888067a2a638 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x320 fs/file.c:1255 #1: ffff888050948420 (sb_writers#24){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2681 [inline] #1: ffff888050948420 (sb_writers#24){.+.+}-{0:0}, at: vfs_write+0x211/0xb30 fs/read_write.c:682 #2: ffff8880581c5100 (&sb->s_type->i_mutex_key#49){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #2: ffff8880581c5100 (&sb->s_type->i_mutex_key#49){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x419/0x1d20 fs/ocfs2/file.c:2399 #3: ffff8880581c4da0 (&ocfs2_file_ip_alloc_sem_key){++++}-{4:4}, at: ocfs2_write_begin+0x198/0x310 fs/ocfs2/aops.c:1882 stack backtrace: CPU: 0 UID: 0 PID: 20461 Comm: syz.1.3431 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2043 check_noncircular+0x134/0x160 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+0xb9b/0x2130 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x117/0x350 kernel/locking/lockdep.c:5868 percpu_down_read_internal include/linux/percpu-rwsem.h:53 [inline] percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] __sb_start_write include/linux/fs/super.h:19 [inline] sb_start_intwrite include/linux/fs/super.h:177 [inline] ocfs2_start_trans+0x26b/0x6d0 fs/ocfs2/journal.c:370 ocfs2_write_begin_inline fs/ocfs2/aops.c:1459 [inline] ocfs2_try_to_write_inline_data fs/ocfs2/aops.c:1563 [inline] ocfs2_write_begin_nolock+0x1c90/0x4350 fs/ocfs2/aops.c:1649 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884 generic_perform_write+0x2c5/0x900 mm/filemap.c:4314 ocfs2_file_write_iter+0x155a/0x1d20 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa70a58f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fa70b36a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa70a7e5fa0 RCX: 00007fa70a58f749 RDX: 0000000000000050 RSI: 0000200000000440 RDI: 0000000000000008 RBP: 00007fa70a613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa70a7e6038 R14: 00007fa70a7e5fa0 R15: 00007fffb8f9c6b8 OCFS2: ERROR (device loop1): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 71 has 16777215 used bits but only 1024 total On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: File system is now read-only. (syz.1.3431,20461,0):ocfs2_claim_suballoc_bits:2063 ERROR: status = -30 (syz.1.3431,20461,0):__ocfs2_claim_clusters:2438 ERROR: status = -30 (syz.1.3431,20461,0):__ocfs2_claim_clusters:2446 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_local_alloc_new_window:1199 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_local_alloc_new_window:1224 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_local_alloc_slide_window:1298 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_reserve_clusters_with_limit:1172 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_reserve_clusters_with_limit:1221 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_convert_inline_data_to_extents:7099 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_try_to_write_inline_data:1544 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_write_begin_nolock:1656 ERROR: status = -30 (syz.1.3431,20461,0):ocfs2_write_begin:1887 ERROR: status = -30 ocfs2: Unmounting device (7,1) on (node local)