(syz.0.33,5904,0):ocfs2_check_set_options:1243 ERROR: Invalid heartbeat mount options ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.33/5904 is trying to acquire lock: ffff888027baa800 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x9eb/0x1d10 fs/ocfs2/file.c:1275 but task is already holding lock: ffff88803ff63a10 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x9dc/0x1d10 fs/ocfs2/file.c:1274 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&oi->ip_alloc_sem){+.+.}-{4:4}: down_write+0x3a/0x50 kernel/locking/rwsem.c:1631 ocfs2_try_remove_refcount_tree+0xb6/0x360 fs/ocfs2/refcounttree.c:932 ocfs2_xattr_set+0x639/0x13a0 fs/ocfs2/xattr.c:3713 ocfs2_set_acl+0x6fd/0x7b0 fs/ocfs2/acl.c:255 ocfs2_iop_set_acl+0x1b1/0x2b0 fs/ocfs2/acl.c:287 set_posix_acl fs/posix_acl.c:953 [inline] vfs_remove_acl+0x56e/0x870 fs/posix_acl.c:1240 ovl_do_remove_acl fs/overlayfs/overlayfs.h:362 [inline] ovl_workdir_create+0x53a/0x8b0 fs/overlayfs/super.c:369 ovl_make_workdir fs/overlayfs/super.c:678 [inline] ovl_get_workdir fs/overlayfs/super.c:836 [inline] ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline] ovl_fill_super+0x19ad/0x5d40 fs/overlayfs/super.c:1560 vfs_get_super fs/super.c:1399 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1418 vfs_get_tree+0x92/0x2a0 fs/super.c:1941 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3777 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3853 do_mount fs/namespace.c:4186 [inline] __do_sys_mount fs/namespace.c:4402 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4379 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&oi->ip_xattr_sem){++++}-{4:4}: down_read+0x97/0x200 kernel/locking/rwsem.c:1574 ocfs2_init_acl+0x1c3/0x800 fs/ocfs2/acl.c:367 ocfs2_mknod+0x166a/0x2240 fs/ocfs2/namei.c:414 ocfs2_create+0x195/0x460 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:4503 [inline] open_last_lookups fs/namei.c:4602 [inline] path_openat+0x1347/0x3850 fs/namei.c:4854 do_file_open+0x23e/0x4a0 fs/namei.c:4886 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_openat fs/open.c:1390 [inline] __se_sys_openat fs/open.c:1385 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1385 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: down_read+0x97/0x200 kernel/locking/rwsem.c:1574 ocfs2_start_trans+0x3ac/0x700 fs/ocfs2/journal.c:369 ocfs2_modify_bh+0xe3/0x4d0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x146b/0x1830 fs/ocfs2/quota_local.c:767 dquot_load_quota_sb+0x76f/0xb70 fs/quota/dquot.c:2484 dquot_load_quota_inode+0x2dc/0x5d0 fs/quota/dquot.c:2521 ocfs2_enable_quotas+0x1c3/0x4a0 fs/ocfs2/super.c:930 ocfs2_fill_super+0x5451/0x6950 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1881 vfs_get_tree+0x92/0x2a0 fs/super.c:1941 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3777 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3853 do_mount fs/namespace.c:4186 [inline] __do_sys_mount fs/namespace.c:4402 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4379 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 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:3167 [inline] check_prevs_add kernel/locking/lockdep.c:3286 [inline] validate_chain kernel/locking/lockdep.c:3910 [inline] __lock_acquire+0x15ff/0x2e40 kernel/locking/lockdep.c:5240 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5892 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+0x2ac/0x700 fs/ocfs2/journal.c:367 ocfs2_setattr+0x9eb/0x1d10 fs/ocfs2/file.c:1275 notify_change+0xbb8/0xec0 fs/attr.c:556 ovl_do_notify_change fs/overlayfs/overlayfs.h:209 [inline] ovl_workdir_create+0x69c/0x8b0 fs/overlayfs/super.c:379 ovl_make_workdir fs/overlayfs/super.c:678 [inline] ovl_get_workdir fs/overlayfs/super.c:836 [inline] ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline] ovl_fill_super+0x19ad/0x5d40 fs/overlayfs/super.c:1560 vfs_get_super fs/super.c:1399 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1418 vfs_get_tree+0x92/0x2a0 fs/super.c:1941 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3777 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3853 do_mount fs/namespace.c:4186 [inline] __do_sys_mount fs/namespace.c:4402 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4379 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 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 --> &oi->ip_alloc_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_alloc_sem); lock(&oi->ip_xattr_sem); lock(&oi->ip_alloc_sem); rlock(sb_internal#2); *** DEADLOCK *** 4 locks held by syz.0.33/5904: #0: ffff88802c9ca0e0 (&type->s_umount_key#51/1){+.+.}-{4:4}, at: alloc_super fs/super.c:365 [inline] #0: ffff88802c9ca0e0 (&type->s_umount_key#51/1){+.+.}-{4:4}, at: sget_fc+0x97c/0x1a60 fs/super.c:889 #1: ffff888027baa510 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:494 #2: ffff88803ff63dc0 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] #2: ffff88803ff63dc0 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: ovl_workdir_create+0x63d/0x8b0 fs/overlayfs/super.c:378 #3: ffff88803ff63a10 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_setattr+0x9dc/0x1d10 fs/ocfs2/file.c:1274 stack backtrace: CPU: 1 UID: 0 PID: 5904 Comm: syz.0.33 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2045 check_noncircular+0x12f/0x150 kernel/locking/lockdep.c:2177 check_prev_add kernel/locking/lockdep.c:3167 [inline] check_prevs_add kernel/locking/lockdep.c:3286 [inline] validate_chain kernel/locking/lockdep.c:3910 [inline] __lock_acquire+0x15ff/0x2e40 kernel/locking/lockdep.c:5240 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5892 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+0x2ac/0x700 fs/ocfs2/journal.c:367 ocfs2_setattr+0x9eb/0x1d10 fs/ocfs2/file.c:1275 notify_change+0xbb8/0xec0 fs/attr.c:556 ovl_do_notify_change fs/overlayfs/overlayfs.h:209 [inline] ovl_workdir_create+0x69c/0x8b0 fs/overlayfs/super.c:379 ovl_make_workdir fs/overlayfs/super.c:678 [inline] ovl_get_workdir fs/overlayfs/super.c:836 [inline] ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline] ovl_fill_super+0x19ad/0x5d40 fs/overlayfs/super.c:1560 vfs_get_super fs/super.c:1399 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1418 vfs_get_tree+0x92/0x2a0 fs/super.c:1941 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3777 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3853 do_mount fs/namespace.c:4186 [inline] __do_sys_mount fs/namespace.c:4402 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4379 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f984b62de59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9849886028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f984b8b5fa0 RCX: 00007f984b62de59 RDX: 0000200000000000 RSI: 0000200000000100 RDI: 0000000000000000 RBP: 00007f984b6c3e6f R08: 00002000000000c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f984b8b6038 R14: 00007f984b8b5fa0 R15: 00007fffbb917018 overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. overlayfs: upper fs missing required features.