(syz.9.3990,15954,0):ocfs2_block_check_validate:400 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,9) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 Not tainted ------------------------------------------------------ syz.9.3990/15954 is trying to acquire lock: ffff8880551dd100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] ffff8880551dd100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_remove_inode+0x15b/0x8a0 fs/ocfs2/inode.c:669 but task is already holding lock: ffff8880551d89c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] ffff8880551d89c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}, at: ocfs2_wipe_inode+0x2d5/0x1210 fs/ocfs2/inode.c:790 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}: down_write+0x92/0x200 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:869 [inline] ocfs2_del_inode_from_orphan+0x112/0x700 fs/ocfs2/namei.c:2727 ocfs2_dio_end_io_write+0x2cb/0xf30 fs/ocfs2/aops.c:2303 ocfs2_dio_end_io+0x136/0x2c0 fs/ocfs2/aops.c:2401 dio_complete+0x224/0x970 fs/direct-io.c:281 __blockdev_direct_IO+0x348f/0x4180 fs/direct-io.c:1303 ocfs2_direct_IO+0x263/0x360 fs/ocfs2/aops.c:2438 generic_file_direct_write+0x19a/0x410 mm/filemap.c:4046 __generic_file_write_iter+0x11b/0x240 mm/filemap.c:4215 ocfs2_file_write_iter+0xbc4/0x21b0 fs/ocfs2/file.c:2469 do_iter_readv_writev+0x657/0x950 fs/read_write.c:827 vfs_writev+0x35f/0xde0 fs/read_write.c:1057 do_writev+0x132/0x340 fs/read_write.c:1103 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&ocfs2_quota_ip_alloc_sem_key){++++}-{4:4}: down_write+0x92/0x200 kernel/locking/rwsem.c:1577 ocfs2_create_local_dquot+0x157/0xb30 fs/ocfs2/quota_local.c:1227 ocfs2_acquire_dquot+0x626/0xb00 fs/ocfs2/quota_global.c:883 dqget+0x693/0x1180 fs/quota/dquot.c:977 __dquot_initialize+0x586/0xd50 fs/quota/dquot.c:1505 ocfs2_get_init_inode+0xe7/0x1b0 fs/ocfs2/namei.c:202 ocfs2_mknod+0x974/0x2540 fs/ocfs2/namei.c:310 ocfs2_mkdir+0x17c/0x490 fs/ocfs2/namei.c:656 vfs_mkdir+0x593/0x8c0 fs/namei.c:4375 do_mkdirat+0x304/0x3e0 fs/namei.c:4408 __do_sys_mkdirat fs/namei.c:4425 [inline] __se_sys_mkdirat fs/namei.c:4423 [inline] __x64_sys_mkdirat+0x83/0xb0 fs/namei.c:4423 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&dquot->dq_lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:602 [inline] __mutex_lock+0x199/0xb90 kernel/locking/mutex.c:747 wait_on_dquot fs/quota/dquot.c:354 [inline] dqget+0x5f1/0x1180 fs/quota/dquot.c:972 __dquot_initialize+0x586/0xd50 fs/quota/dquot.c:1505 ocfs2_get_init_inode+0xe7/0x1b0 fs/ocfs2/namei.c:202 ocfs2_mknod+0x974/0x2540 fs/ocfs2/namei.c:310 ocfs2_mkdir+0x17c/0x490 fs/ocfs2/namei.c:656 vfs_mkdir+0x593/0x8c0 fs/namei.c:4375 do_mkdirat+0x304/0x3e0 fs/namei.c:4408 __do_sys_mkdirat fs/namei.c:4425 [inline] __se_sys_mkdirat fs/namei.c:4423 [inline] __x64_sys_mkdirat+0x83/0xb0 fs/namei.c:4423 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3168 [inline] check_prevs_add kernel/locking/lockdep.c:3287 [inline] validate_chain kernel/locking/lockdep.c:3911 [inline] __lock_acquire+0x126f/0x1c90 kernel/locking/lockdep.c:5240 lock_acquire kernel/locking/lockdep.c:5871 [inline] lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5828 down_write+0x92/0x200 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:869 [inline] ocfs2_remove_inode+0x15b/0x8a0 fs/ocfs2/inode.c:669 ocfs2_wipe_inode+0x446/0x1210 fs/ocfs2/inode.c:832 ocfs2_delete_inode fs/ocfs2/inode.c:1093 [inline] ocfs2_evict_inode+0x6e0/0x1680 fs/ocfs2/inode.c:1230 evict+0x3e6/0x920 fs/inode.c:810 iput_final fs/inode.c:1898 [inline] iput fs/inode.c:1924 [inline] iput+0x521/0x880 fs/inode.c:1910 d_delete_notify include/linux/fsnotify.h:402 [inline] vfs_rmdir fs/namei.c:4483 [inline] vfs_rmdir+0x487/0x690 fs/namei.c:4447 do_rmdir+0x2e8/0x3c0 fs/namei.c:4525 __do_sys_rmdir fs/namei.c:4544 [inline] __se_sys_rmdir fs/namei.c:4542 [inline] __x64_sys_rmdir+0xc5/0x110 fs/namei.c:4542 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 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: &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 --> &ocfs2_quota_ip_alloc_sem_key --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type] Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]); lock(&ocfs2_quota_ip_alloc_sem_key); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); *** DEADLOCK *** 4 locks held by syz.9.3990/15954: #0: ffff888077e52428 (sb_writers#27){.+.+}-{0:0}, at: do_rmdir+0x1e2/0x3c0 fs/namei.c:4513 #1: ffff888046c8b480 (&type->i_mutex_dir_key#21/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:914 [inline] #1: ffff888046c8b480 (&type->i_mutex_dir_key#21/1){+.+.}-{4:4}, at: do_rmdir+0x233/0x3c0 fs/namei.c:4517 #2: ffff888057298bd0 (&osb->nfs_sync_rwlock){.+.+}-{4:4}, at: ocfs2_nfs_sync_lock+0xe4/0x2e0 fs/ocfs2/dlmglue.c:2875 #3: ffff8880551d89c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:869 [inline] #3: ffff8880551d89c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]){+.+.}-{4:4}, at: ocfs2_wipe_inode+0x2d5/0x1210 fs/ocfs2/inode.c:790 stack backtrace: CPU: 0 UID: 0 PID: 15954 Comm: syz.9.3990 Not tainted 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_circular_bug+0x275/0x350 kernel/locking/lockdep.c:2046 check_noncircular+0x14c/0x170 kernel/locking/lockdep.c:2178 check_prev_add kernel/locking/lockdep.c:3168 [inline] check_prevs_add kernel/locking/lockdep.c:3287 [inline] validate_chain kernel/locking/lockdep.c:3911 [inline] __lock_acquire+0x126f/0x1c90 kernel/locking/lockdep.c:5240 lock_acquire kernel/locking/lockdep.c:5871 [inline] lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5828 down_write+0x92/0x200 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:869 [inline] ocfs2_remove_inode+0x15b/0x8a0 fs/ocfs2/inode.c:669 ocfs2_wipe_inode+0x446/0x1210 fs/ocfs2/inode.c:832 ocfs2_delete_inode fs/ocfs2/inode.c:1093 [inline] ocfs2_evict_inode+0x6e0/0x1680 fs/ocfs2/inode.c:1230 evict+0x3e6/0x920 fs/inode.c:810 iput_final fs/inode.c:1898 [inline] iput fs/inode.c:1924 [inline] iput+0x521/0x880 fs/inode.c:1910 d_delete_notify include/linux/fsnotify.h:402 [inline] vfs_rmdir fs/namei.c:4483 [inline] vfs_rmdir+0x487/0x690 fs/namei.c:4447 do_rmdir+0x2e8/0x3c0 fs/namei.c:4525 __do_sys_rmdir fs/namei.c:4544 [inline] __se_sys_rmdir fs/namei.c:4542 [inline] __x64_sys_rmdir+0xc5/0x110 fs/namei.c:4542 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe3bed8e929 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:00007fe3bfbb5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 00007fe3befb5fa0 RCX: 00007fe3bed8e929 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000400 RBP: 00007fe3bee10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe3befb5fa0 R15: 00007ffdfbdbdb38