====================================================== WARNING: possible circular locking dependency detected 6.3.0-syzkaller-07919-g6e98b09da931 #0 Not tainted ------------------------------------------------------ syz-executor.2/18174 is trying to acquire lock: ffff88807e5e7698 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0x93/0x120 mm/memory.c:5638 but task is already holding lock: ffff88802c018090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&sbi->lock){+.+.}-{3:3}: lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691 __mutex_lock_common+0x1d8/0x2530 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_get_block+0x280/0x5130 fs/reiserfs/inode.c:680 do_mpage_readpage+0x911/0x1fa0 fs/mpage.c:208 mpage_readahead+0x454/0x930 fs/mpage.c:356 read_pages+0x183/0x830 mm/readahead.c:161 page_cache_ra_unbounded+0x697/0x7c0 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1210 [inline] filemap_get_pages+0x49c/0x20c0 mm/filemap.c:2598 filemap_read+0x45a/0x1170 mm/filemap.c:2693 call_read_iter include/linux/fs.h:1848 [inline] generic_file_splice_read+0x240/0x640 fs/splice.c:403 do_splice_to fs/splice.c:886 [inline] splice_direct_to_actor+0x40c/0xbd0 fs/splice.c:957 do_splice_direct+0x283/0x3d0 fs/splice.c:1066 do_sendfile+0x620/0xff0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #1 (mapping.invalidate_lock#13){.+.+}-{3:3}: lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691 down_read+0x3d/0x50 kernel/locking/rwsem.c:1520 filemap_invalidate_lock_shared include/linux/fs.h:816 [inline] filemap_fault+0x644/0x1800 mm/filemap.c:3274 __do_fault+0x136/0x500 mm/memory.c:4155 do_shared_fault mm/memory.c:4561 [inline] do_fault mm/memory.c:4639 [inline] handle_pte_fault mm/memory.c:4923 [inline] __handle_mm_fault mm/memory.c:5065 [inline] handle_mm_fault+0x20c5/0x51c0 mm/memory.c:5211 do_user_addr_fault arch/x86/mm/fault.c:1407 [inline] handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x5b1/0x7c0 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 -> #0 (&mm->mmap_lock){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3108 [inline] check_prevs_add kernel/locking/lockdep.c:3227 [inline] validate_chain+0x166b/0x58e0 kernel/locking/lockdep.c:3842 __lock_acquire+0x1295/0x2000 kernel/locking/lockdep.c:5074 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691 __might_fault+0xba/0x120 mm/memory.c:5639 reiserfs_ioctl+0x121/0x340 fs/reiserfs/ioctl.c:96 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Chain exists of: &mm->mmap_lock --> mapping.invalidate_lock#13 --> &sbi->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sbi->lock); lock(mapping.invalidate_lock#13); lock(&sbi->lock); rlock(&mm->mmap_lock); *** DEADLOCK *** 1 lock held by syz-executor.2/18174: #0: ffff88802c018090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 stack backtrace: CPU: 1 PID: 18174 Comm: syz-executor.2 Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2fe/0x3b0 kernel/locking/lockdep.c:2188 check_prev_add kernel/locking/lockdep.c:3108 [inline] check_prevs_add kernel/locking/lockdep.c:3227 [inline] validate_chain+0x166b/0x58e0 kernel/locking/lockdep.c:3842 __lock_acquire+0x1295/0x2000 kernel/locking/lockdep.c:5074 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691 __might_fault+0xba/0x120 mm/memory.c:5639 reiserfs_ioctl+0x121/0x340 fs/reiserfs/ioctl.c:96 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7ebce8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7ebdb59168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7ebcfabf80 RCX: 00007f7ebce8c169 RDX: 0000000020000140 RSI: 0000000080087601 RDI: 0000000000000004 RBP: 00007f7ebcee7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff62d6428f R14: 00007f7ebdb59300 R15: 0000000000022000 REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS (device loop2): Remounting filesystem read-only REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3741, free_space(entry_count) 2 REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 545. Fsck?