JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,6) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.6.102-syzkaller #0 Not tainted ------------------------------------------------------ syz.6.1349/9770 is trying to acquire lock: ffff8880563a94a0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_try_remove_refcount_tree+0xb7/0x320 fs/ocfs2/refcounttree.c:932 but task is already holding lock: ffff8880563a9538 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_try_remove_refcount_tree+0xa5/0x320 fs/ocfs2/refcounttree.c:931 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&oi->ip_xattr_sem){++++}-{3:3}: down_read+0x46/0x2e0 kernel/locking/rwsem.c:1520 ocfs2_calc_xattr_init+0x208/0xd80 fs/ocfs2/xattr.c:627 ocfs2_mknod+0xc57/0x20f0 fs/ocfs2/namei.c:330 ocfs2_mkdir+0x196/0x410 fs/ocfs2/namei.c:657 vfs_mkdir+0x296/0x440 fs/namei.c:4113 do_mkdirat+0x1d4/0x440 fs/namei.c:4136 __do_sys_mkdir fs/namei.c:4156 [inline] __se_sys_mkdir fs/namei.c:4154 [inline] __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4154 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #2 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}: down_write+0x97/0x1f0 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:804 [inline] ocfs2_remove_inode fs/ocfs2/inode.c:655 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline] ocfs2_evict_inode+0x1313/0x3e60 fs/ocfs2/inode.c:1216 evict+0x486/0x870 fs/inode.c:705 ocfs2_dentry_iput+0x248/0x370 fs/ocfs2/dcache.c:418 __dentry_kill+0x431/0x650 fs/dcache.c:611 dentry_kill+0xb8/0x290 fs/dcache.c:-1 dput+0xfe/0x1e0 fs/dcache.c:918 do_renameat2+0x8b1/0xc70 fs/namei.c:5027 __do_sys_rename fs/namei.c:5071 [inline] __se_sys_rename fs/namei.c:5069 [inline] __x64_sys_rename+0x86/0x90 fs/namei.c:5069 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{3:3}: down_write+0x97/0x1f0 kernel/locking/rwsem.c:1573 inode_lock include/linux/fs.h:804 [inline] ocfs2_del_inode_from_orphan+0x135/0x740 fs/ocfs2/namei.c:2716 ocfs2_dio_end_io_write fs/ocfs2/aops.c:2333 [inline] ocfs2_dio_end_io+0x47b/0x10f0 fs/ocfs2/aops.c:2431 dio_complete+0x254/0x710 fs/direct-io.c:282 __blockdev_direct_IO+0x2dc8/0x3420 fs/direct-io.c:1308 ocfs2_direct_IO+0x240/0x2b0 fs/ocfs2/aops.c:2468 generic_file_direct_write+0x1d4/0x3e0 mm/filemap.c:3941 __generic_file_write_iter+0x11b/0x230 mm/filemap.c:4097 ocfs2_file_write_iter+0x1582/0x1d00 fs/ocfs2/file.c:2468 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x79a/0xc70 fs/read_write.c:860 iter_file_splice_write+0x66f/0xc50 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe8/0x130 fs/splice.c:1142 splice_direct_to_actor+0x2f0/0x870 fs/splice.c:1088 do_splice_direct+0x1b7/0x2c0 fs/splice.c:1194 do_sendfile+0x5dc/0xf70 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x13f/0x190 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754 down_write+0x97/0x1f0 kernel/locking/rwsem.c:1573 ocfs2_try_remove_refcount_tree+0xb7/0x320 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x596/0x11f0 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x4e1/0x590 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x1ab/0x2a0 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:956 [inline] vfs_set_acl+0x803/0xa60 fs/posix_acl.c:1135 do_setxattr fs/xattr.c:627 [inline] path_setxattr+0x39f/0x550 fs/xattr.c:659 __do_sys_setxattr fs/xattr.c:677 [inline] __se_sys_setxattr fs/xattr.c:673 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:673 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 other info that might help us debug this: Chain exists of: &ocfs2_file_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 --> &oi->ip_xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_xattr_sem); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); lock(&oi->ip_xattr_sem); lock(&ocfs2_file_ip_alloc_sem_key); *** DEADLOCK *** 3 locks held by syz.6.1349/9770: #0: ffff88805fdec418 (sb_writers#27){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:403 #1: ffff8880563a9818 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline] #1: ffff8880563a9818 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: vfs_set_acl+0x37a/0xa60 fs/posix_acl.c:1116 #2: ffff8880563a9538 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_try_remove_refcount_tree+0xa5/0x320 fs/ocfs2/refcounttree.c:931 stack backtrace: CPU: 1 PID: 9770 Comm: syz.6.1349 Not tainted 6.6.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106 check_noncircular+0x2bd/0x3c0 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754 down_write+0x97/0x1f0 kernel/locking/rwsem.c:1573 ocfs2_try_remove_refcount_tree+0xb7/0x320 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x596/0x11f0 fs/ocfs2/xattr.c:3669 ocfs2_set_acl+0x4e1/0x590 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x1ab/0x2a0 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:956 [inline] vfs_set_acl+0x803/0xa60 fs/posix_acl.c:1135 do_setxattr fs/xattr.c:627 [inline] path_setxattr+0x39f/0x550 fs/xattr.c:659 __do_sys_setxattr fs/xattr.c:677 [inline] __se_sys_setxattr fs/xattr.c:673 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:673 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f409878ebe9 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:00007f409953a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f40989b5fa0 RCX: 00007f409878ebe9 RDX: 0000000000000000 RSI: 0000200000002a40 RDI: 0000200000002a00 RBP: 00007f4098811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40989b6038 R14: 00007f40989b5fa0 R15: 00007fff97782658