(syz.0.16,6556,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Not tainted ------------------------------------------------------ syz.0.16/6556 is trying to acquire lock: ffff88807afc06f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_init_acl+0x393/0x930 fs/ocfs2/acl.c:366 but task is already holding lock: ffff888071a70950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1e93/0x2110 fs/jbd2/transaction.c:448 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (jbd2_handle){++++}-{0:0}: start_this_handle+0x1eb3/0x2110 fs/jbd2/transaction.c:448 jbd2__journal_start+0x302/0x620 fs/jbd2/transaction.c:505 jbd2_journal_start+0x25/0x30 fs/jbd2/transaction.c:544 ocfs2_start_trans+0x3c5/0x6f0 fs/ocfs2/journal.c:352 ocfs2_modify_bh+0xe9/0x4d0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x158b/0x19e0 fs/ocfs2/quota_local.c:771 dquot_load_quota_sb+0x75e/0xba0 fs/quota/dquot.c:2459 dquot_load_quota_inode+0x31c/0x600 fs/quota/dquot.c:2496 ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:930 ocfs2_fill_super+0x5cde/0x74c0 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x488/0x5c0 fs/super.c:1636 vfs_get_tree+0x8c/0x280 fs/super.c:1814 do_new_mount+0x2ba/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:4088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e -> #3 (&journal->j_trans_barrier){.+.+}-{4:4}: down_read+0xad/0xa40 kernel/locking/rwsem.c:1524 ocfs2_start_trans+0x3ba/0x6f0 fs/ocfs2/journal.c:350 ocfs2_modify_bh+0xe9/0x4d0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x158b/0x19e0 fs/ocfs2/quota_local.c:771 dquot_load_quota_sb+0x75e/0xba0 fs/quota/dquot.c:2459 dquot_load_quota_inode+0x31c/0x600 fs/quota/dquot.c:2496 ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:930 ocfs2_fill_super+0x5cde/0x74c0 fs/ocfs2/super.c:1140 get_tree_bdev_flags+0x488/0x5c0 fs/super.c:1636 vfs_get_tree+0x8c/0x280 fs/super.c:1814 do_new_mount+0x2ba/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:4088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e -> #2 (sb_internal#2){.+.+}-{0:0}: percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1785 [inline] sb_start_intwrite include/linux/fs.h:1968 [inline] ocfs2_start_trans+0x2b5/0x6f0 fs/ocfs2/journal.c:348 ocfs2_xattr_set+0x118e/0x1930 fs/ocfs2/xattr.c:3643 ocfs2_set_acl+0x4cb/0x580 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x246/0x3b0 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:954 [inline] vfs_set_acl+0x7f9/0xa60 fs/posix_acl.c:1133 do_set_acl+0xf0/0x180 fs/posix_acl.c:1278 do_setxattr fs/xattr.c:633 [inline] file_setxattr+0x236/0x2b0 fs/xattr.c:646 path_setxattrat+0x47f/0x510 fs/xattr.c:711 __do_sys_fsetxattr fs/xattr.c:761 [inline] __se_sys_fsetxattr fs/xattr.c:758 [inline] __x64_sys_fsetxattr+0xb8/0xd0 fs/xattr.c:758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e -> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}: down_write+0x95/0x210 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:877 [inline] ocfs2_reserve_suballoc_bits+0x18e/0x4e30 fs/ocfs2/suballoc.c:786 ocfs2_reserve_new_metadata_blocks+0x418/0x9c0 fs/ocfs2/suballoc.c:982 ocfs2_init_xattr_set_ctxt+0x3b5/0x8e0 fs/ocfs2/xattr.c:3277 ocfs2_xattr_set+0xf4a/0x1930 fs/ocfs2/xattr.c:3634 ocfs2_set_acl+0x4cb/0x580 fs/ocfs2/acl.c:254 ocfs2_iop_set_acl+0x246/0x3b0 fs/ocfs2/acl.c:286 set_posix_acl fs/posix_acl.c:954 [inline] vfs_set_acl+0x7f9/0xa60 fs/posix_acl.c:1133 do_set_acl+0xf0/0x180 fs/posix_acl.c:1278 do_setxattr fs/xattr.c:633 [inline] file_setxattr+0x236/0x2b0 fs/xattr.c:646 path_setxattrat+0x47f/0x510 fs/xattr.c:711 __do_sys_fsetxattr fs/xattr.c:761 [inline] __se_sys_fsetxattr fs/xattr.c:758 [inline] __x64_sys_fsetxattr+0xb8/0xd0 fs/xattr.c:758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e -> #0 (&oi->ip_xattr_sem){++++}-{4:4}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain kernel/locking/lockdep.c:3906 [inline] __lock_acquire+0x3012/0x81c0 kernel/locking/lockdep.c:5228 lock_acquire+0x1e9/0x540 kernel/locking/lockdep.c:5851 down_read+0xad/0xa40 kernel/locking/rwsem.c:1524 ocfs2_init_acl+0x393/0x930 fs/ocfs2/acl.c:366 ocfs2_mknod+0x1c9f/0x2bf0 fs/ocfs2/namei.c:410 ocfs2_create+0x1a7/0x460 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3651 [inline] open_last_lookups fs/namei.c:3750 [inline] path_openat+0x1938/0x3580 fs/namei.c:3986 do_filp_open+0x27b/0x4d0 fs/namei.c:4016 do_sys_openat2+0x13a/0x1d0 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1454 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e other info that might help us debug this: Chain exists of: &oi->ip_xattr_sem --> &journal->j_trans_barrier --> jbd2_handle Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(jbd2_handle); lock(&journal->j_trans_barrier); lock(jbd2_handle); rlock(&oi->ip_xattr_sem); *** DEADLOCK *** 8 locks held by syz.0.16/6556: #0: ffff888072786420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x90 fs/namespace.c:547 #1: ffff88807afc09c0 (&type->i_mutex_dir_key#8){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #1: ffff88807afc09c0 (&type->i_mutex_dir_key#8){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3747 [inline] #1: ffff88807afc09c0 (&type->i_mutex_dir_key#8){+.+.}-{4:4}, at: path_openat+0x896/0x3580 fs/namei.c:3986 #2: ffff8880624e2640 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #2: ffff8880624e2640 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4e30 fs/ocfs2/suballoc.c:786 #3: ffff8880624e1800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #3: ffff8880624e1800 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4e30 fs/ocfs2/suballoc.c:786 #4: ffff8880624e42c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#8){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:877 [inline] #4: ffff8880624e42c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#8){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x131/0x28a0 fs/ocfs2/localalloc.c:636 #5: ffff888072786610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mknod+0x154e/0x2bf0 fs/ocfs2/namei.c:361 #6: ffff8880708768e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3ba/0x6f0 fs/ocfs2/journal.c:350 #7: ffff888071a70950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1e93/0x2110 fs/jbd2/transaction.c:448 stack backtrace: CPU: 1 UID: 0 PID: 6556 Comm: syz.0.16 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x23d/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x375/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain kernel/locking/lockdep.c:3906 [inline] __lock_acquire+0x3012/0x81c0 kernel/locking/lockdep.c:5228 lock_acquire+0x1e9/0x540 kernel/locking/lockdep.c:5851 down_read+0xad/0xa40 kernel/locking/rwsem.c:1524 ocfs2_init_acl+0x393/0x930 fs/ocfs2/acl.c:366 ocfs2_mknod+0x1c9f/0x2bf0 fs/ocfs2/namei.c:410 ocfs2_create+0x1a7/0x460 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3651 [inline] open_last_lookups fs/namei.c:3750 [inline] path_openat+0x1938/0x3580 fs/namei.c:3986 do_filp_open+0x27b/0x4d0 fs/namei.c:4016 do_sys_openat2+0x13a/0x1d0 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1454 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fb24918d169 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:00007fb249f6c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb2493a5fa0 RCX: 00007fb24918d169 RDX: 000000000000275a RSI: 00002000000001c0 RDI: ffffffffffffff9c RBP: 00007fb24920e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb2493a5fa0 R15: 00007ffdc3b24328