possible deadlock in reiserfs_dirty_inode
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syzbot
Nov 25, 2022, 4:22:32 AM11/25/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=158a2a75880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=6aab732247079ba33345
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6aab73...@syzkaller.appspotmail.com
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): using ordered data mode
======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.2/27635 is trying to acquire lock:
000000001241d0aa (&mm->mmap_sem){++++}, at: __might_fault+0xef/0x1d0 mm/memory.c:4771
but task is already holding lock:
000000004eb67595 (&sbi->lock){+.+.}, at: reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
reiserfs: using flush barriers
-> #2 (&sbi->lock){+.+.}:
reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
reiserfs_dirty_inode+0xce/0x250 fs/reiserfs/super.c:710
__mark_inode_dirty+0x16b/0x1140 fs/fs-writeback.c:2164
generic_update_time+0x21c/0x370 fs/inode.c:1659
update_time fs/inode.c:1675 [inline]
file_update_time+0x316/0x500 fs/inode.c:1890
filemap_page_mkwrite+0x123/0x2f0 mm/filemap.c:2726
REISERFS (device loop4): Using r5 hash to sort names
do_page_mkwrite+0xd4/0x410 mm/memory.c:2486
do_shared_fault mm/memory.c:3880 [inline]
do_fault mm/memory.c:3948 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x2644/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
-> #1 (sb_pagefaults#3){.+.+}:
sb_start_pagefault include/linux/fs.h:1608 [inline]
filemap_page_mkwrite+0xd7/0x2f0 mm/filemap.c:2725
do_page_mkwrite+0xd4/0x410 mm/memory.c:2486
do_shared_fault mm/memory.c:3880 [inline]
do_fault mm/memory.c:3948 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x2644/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
-> #0 (&mm->mmap_sem){++++}:
__might_fault mm/memory.c:4772 [inline]
__might_fault+0x152/0x1d0 mm/memory.c:4757
reiserfs_ioctl+0xbb/0x9a0 fs/reiserfs/ioctl.c:103
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Chain exists of:
&mm->mmap_sem --> sb_pagefaults#3 --> &sbi->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sbi->lock);
lock(sb_pagefaults#3);
lock(&sbi->lock);
lock(&mm->mmap_sem);
*** DEADLOCK ***
1 lock held by syz-executor.2/27635:
#0: 000000004eb67595 (&sbi->lock){+.+.}, at: reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
stack backtrace:
CPU: 1 PID: 27635 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1979 [inline]
validate_chain kernel/locking/lockdep.c:2420 [inline]
__lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
__might_fault mm/memory.c:4772 [inline]
__might_fault+0x152/0x1d0 mm/memory.c:4757
reiserfs_ioctl+0xbb/0x9a0 fs/reiserfs/ioctl.c:103
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9f6a2420d9
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:00007f9f687b4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9f6a361f80 RCX: 00007f9f6a2420d9
RDX: 0000000020000000 RSI: 0000000080087601 RDI: 0000000000000007
REISERFS (device loop3): Using r5 hash to sort names
RBP: 00007f9f6a29dae9 R08: 0000000000000000 R09: 0000000000000000
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd1aca16f R14: 00007f9f687b4300 R15: 0000000000022000
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop4)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): checking transaction log (loop2)
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop2): Using r5 hash to sort names
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): using ordered data mode
REISERFS (device loop4): using ordered data mode
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): checking transaction log (loop4)
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "00000000000000000000000"
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=158a2a75880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=6aab732247079ba33345
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6aab73...@syzkaller.appspotmail.com
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): using ordered data mode
======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.2/27635 is trying to acquire lock:
000000001241d0aa (&mm->mmap_sem){++++}, at: __might_fault+0xef/0x1d0 mm/memory.c:4771
but task is already holding lock:
000000004eb67595 (&sbi->lock){+.+.}, at: reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
reiserfs: using flush barriers
-> #2 (&sbi->lock){+.+.}:
reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
reiserfs_dirty_inode+0xce/0x250 fs/reiserfs/super.c:710
__mark_inode_dirty+0x16b/0x1140 fs/fs-writeback.c:2164
generic_update_time+0x21c/0x370 fs/inode.c:1659
update_time fs/inode.c:1675 [inline]
file_update_time+0x316/0x500 fs/inode.c:1890
filemap_page_mkwrite+0x123/0x2f0 mm/filemap.c:2726
REISERFS (device loop4): Using r5 hash to sort names
do_page_mkwrite+0xd4/0x410 mm/memory.c:2486
do_shared_fault mm/memory.c:3880 [inline]
do_fault mm/memory.c:3948 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x2644/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
-> #1 (sb_pagefaults#3){.+.+}:
sb_start_pagefault include/linux/fs.h:1608 [inline]
filemap_page_mkwrite+0xd7/0x2f0 mm/filemap.c:2725
do_page_mkwrite+0xd4/0x410 mm/memory.c:2486
do_shared_fault mm/memory.c:3880 [inline]
do_fault mm/memory.c:3948 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x2644/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
-> #0 (&mm->mmap_sem){++++}:
__might_fault mm/memory.c:4772 [inline]
__might_fault+0x152/0x1d0 mm/memory.c:4757
reiserfs_ioctl+0xbb/0x9a0 fs/reiserfs/ioctl.c:103
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Chain exists of:
&mm->mmap_sem --> sb_pagefaults#3 --> &sbi->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sbi->lock);
lock(sb_pagefaults#3);
lock(&sbi->lock);
lock(&mm->mmap_sem);
*** DEADLOCK ***
1 lock held by syz-executor.2/27635:
#0: 000000004eb67595 (&sbi->lock){+.+.}, at: reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
stack backtrace:
CPU: 1 PID: 27635 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1979 [inline]
validate_chain kernel/locking/lockdep.c:2420 [inline]
__lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
__might_fault mm/memory.c:4772 [inline]
__might_fault+0x152/0x1d0 mm/memory.c:4757
reiserfs_ioctl+0xbb/0x9a0 fs/reiserfs/ioctl.c:103
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9f6a2420d9
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:00007f9f687b4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9f6a361f80 RCX: 00007f9f6a2420d9
RDX: 0000000020000000 RSI: 0000000080087601 RDI: 0000000000000007
REISERFS (device loop3): Using r5 hash to sort names
RBP: 00007f9f6a29dae9 R08: 0000000000000000 R09: 0000000000000000
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd1aca16f R14: 00007f9f687b4300 R15: 0000000000022000
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop4)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): checking transaction log (loop2)
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop2): Using r5 hash to sort names
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
REISERFS (device loop2): using ordered data mode
REISERFS (device loop4): using ordered data mode
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): checking transaction log (loop4)
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
REISERFS (device loop3): using ordered data mode
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
REISERFS (device loop2): using ordered data mode
reiserfs: using flush barriers
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "00000000000000000000000"
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop3): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): using ordered data mode
REISERFS (device loop3): checking transaction log (loop3)
reiserfs: using flush barriers
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop4): Using r5 hash to sort names
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop5): Using r5 hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
---
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