(syz.3.3364,15261,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 5.15.188-syzkaller #0 Not tainted ------------------------------------------------------ syz.3.3364/15261 is trying to acquire lock: ffff88806036c2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] ffff88806036c2c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_xattr_set+0xad6/0x11e0 fs/ocfs2/xattr.c:3626 but task is already holding lock: ffff888063a64e38 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_xattr_set+0x40c/0x11e0 fs/ocfs2/xattr.c:3587 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&oi->ip_xattr_sem){++++}-{3:3}: down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_init_acl+0x2fb/0x720 fs/ocfs2/acl.c:365 ocfs2_mknod+0x142f/0x22b0 fs/ocfs2/namei.c:410 vfs_mknod+0x424/0x4c0 fs/namei.c:3944 do_mknodat+0x352/0x620 fs/namei.c:-1 __do_sys_mknodat fs/namei.c:4022 [inline] __se_sys_mknodat fs/namei.c:4019 [inline] __x64_sys_mknodat+0xa5/0xc0 fs/namei.c:4019 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #3 (jbd2_handle){++++}-{0:0}: start_this_handle+0x1338/0x15a0 fs/jbd2/transaction.c:464 jbd2__journal_start+0x2b7/0x5a0 fs/jbd2/transaction.c:521 jbd2_journal_start+0x26/0x30 fs/jbd2/transaction.c:560 ocfs2_start_trans+0x374/0x6c0 fs/ocfs2/journal.c:376 ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1258 [inline] ocfs2_reserve_local_alloc_bits+0xaeb/0x24c0 fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x1bb/0xba0 fs/ocfs2/suballoc.c:1162 ocfs2_symlink+0x10ba/0x25d0 fs/ocfs2/namei.c:1908 vfs_symlink+0x247/0x3d0 fs/namei.c:4429 do_symlinkat+0x1be/0x6c0 fs/namei.c:4458 __do_sys_symlinkat fs/namei.c:4475 [inline] __se_sys_symlinkat fs/namei.c:4472 [inline] __x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4472 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #2 (&journal->j_trans_barrier){.+.+}-{3:3}: down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_start_trans+0x368/0x6c0 fs/ocfs2/journal.c:374 ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1258 [inline] ocfs2_reserve_local_alloc_bits+0xaeb/0x24c0 fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x1bb/0xba0 fs/ocfs2/suballoc.c:1162 ocfs2_symlink+0x10ba/0x25d0 fs/ocfs2/namei.c:1908 vfs_symlink+0x247/0x3d0 fs/namei.c:4429 do_symlinkat+0x1be/0x6c0 fs/namei.c:4458 __do_sys_symlinkat fs/namei.c:4475 [inline] __se_sys_symlinkat fs/namei.c:4472 [inline] __x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4472 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (sb_internal#3){.+.+}-{0:0}: percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1811 [inline] sb_start_intwrite include/linux/fs.h:1928 [inline] ocfs2_start_trans+0x269/0x6c0 fs/ocfs2/journal.c:372 ocfs2_remove_btree_range+0x7db/0x1480 fs/ocfs2/alloc.c:5753 ocfs2_commit_truncate+0xab3/0x1b30 fs/ocfs2/alloc.c:7347 ocfs2_truncate_for_delete fs/ocfs2/inode.c:623 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:790 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline] ocfs2_evict_inode+0xef2/0x3e40 fs/ocfs2/inode.c:1216 evict+0x485/0x870 fs/inode.c:647 do_unlinkat+0x3d8/0x6f0 fs/namei.c:4355 __do_sys_unlink fs/namei.c:4396 [inline] __se_sys_unlink fs/namei.c:4394 [inline] __x64_sys_unlink+0x45/0x50 fs/namei.c:4394 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:787 [inline] ocfs2_xattr_set+0xad6/0x11e0 fs/ocfs2/xattr.c:3626 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x2da/0x300 fs/xattr.c:611 path_setxattr+0x142/0x280 fs/xattr.c:630 __do_sys_setxattr fs/xattr.c:646 [inline] __se_sys_setxattr fs/xattr.c:642 [inline] __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle --> &oi->ip_xattr_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->ip_xattr_sem); lock(jbd2_handle); lock(&oi->ip_xattr_sem); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); *** DEADLOCK *** 3 locks held by syz.3.3364/15261: #0: ffff888074436460 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:377 #1: ffff888063a65108 (&type->i_mutex_dir_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #1: ffff888063a65108 (&type->i_mutex_dir_key#14){+.+.}-{3:3}, at: vfs_setxattr+0x141/0x2f0 fs/xattr.c:302 #2: ffff888063a64e38 (&oi->ip_xattr_sem){++++}-{3:3}, at: ocfs2_xattr_set+0x40c/0x11e0 fs/ocfs2/xattr.c:3587 stack backtrace: CPU: 0 PID: 15261 Comm: syz.3.3364 Not tainted 5.15.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:787 [inline] ocfs2_xattr_set+0xad6/0x11e0 fs/ocfs2/xattr.c:3626 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x2da/0x300 fs/xattr.c:611 path_setxattr+0x142/0x280 fs/xattr.c:630 __do_sys_setxattr fs/xattr.c:646 [inline] __se_sys_setxattr fs/xattr.c:642 [inline] __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd22f5e4929 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:00007fd22d44c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fd22f80bfa0 RCX: 00007fd22f5e4929 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000200000000000 RBP: 00007fd22f666b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd22f80bfa0 R15: 00007ffc850450c8