[v5.15] KASAN: out-of-bounds Read in leaf_paste_entries
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syzbot
Mar 13, 2023, 5:08:47 AM3/13/23
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: bbf9f29bac04 Linux 5.15.101
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1698f12ac80000
kernel config: https://syzkaller.appspot.com/x/.config?x=353a11a1dbfe7820
dashboard link: https://syzkaller.appspot.com/bug?extid=137c25e094e0ed6a2ce6
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/741458b6f24d/disk-bbf9f29b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/46cdc0f15ae5/vmlinux-bbf9f29b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/15bf795c52fa/Image-bbf9f29b.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+137c25...@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551584 at addr ffff0001021effa4 by task syz-executor.2/2220
CPU: 0 PID: 2220 Comm: syz-executor.2 Not tainted 5.15.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
memmove+0x90/0xe8 mm/kasan/shadow.c:54
leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x790 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8c0/0xc8c fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:889 [inline]
reiserfs_xattr_init+0x2b0/0x6dc fs/reiserfs/xattr.c:1012
reiserfs_fill_super+0x1b28/0x1e8c fs/reiserfs/super.c:2179
mount_bdev+0x26c/0x368 fs/super.c:1369
get_super_block+0x44/0x58 fs/reiserfs/super.c:2608
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
vfs_get_tree+0x90/0x274 fs/super.c:1499
do_new_mount+0x25c/0x8c8 fs/namespace.c:2994
path_mount+0x590/0x104c fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount fs/namespace.c:3522 [inline]
__arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 <unknown>:584
The buggy address belongs to the page:
page:00000000dbab7870 refcount:2 mapcount:0 mapping:00000000173f1cd1 index:0x213 pfn:0x1421ef
memcg:ffff0000db1e8000
aops:def_blk_aops ino:700002
flags: 0x5ffc00000002032(referenced|lru|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002032 fffffc0004087b88 ffff0000d835e030 ffff0000c50766c8
raw: 0000000000000213 ffff0000d441e488 00000002ffffffff ffff0000db1e8000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0001021efe80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0001021eff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0001021eff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0001021f0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0001021f0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376
REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop2): Remounting filesystem read-only
REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop2): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376
REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop2): zam-7001 reiserfs_find_entry: io error
---
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.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: bbf9f29bac04 Linux 5.15.101
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1698f12ac80000
kernel config: https://syzkaller.appspot.com/x/.config?x=353a11a1dbfe7820
dashboard link: https://syzkaller.appspot.com/bug?extid=137c25e094e0ed6a2ce6
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/741458b6f24d/disk-bbf9f29b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/46cdc0f15ae5/vmlinux-bbf9f29b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/15bf795c52fa/Image-bbf9f29b.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+137c25...@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551584 at addr ffff0001021effa4 by task syz-executor.2/2220
CPU: 0 PID: 2220 Comm: syz-executor.2 Not tainted 5.15.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
memmove+0x90/0xe8 mm/kasan/shadow.c:54
leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x790 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8c0/0xc8c fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:889 [inline]
reiserfs_xattr_init+0x2b0/0x6dc fs/reiserfs/xattr.c:1012
reiserfs_fill_super+0x1b28/0x1e8c fs/reiserfs/super.c:2179
mount_bdev+0x26c/0x368 fs/super.c:1369
get_super_block+0x44/0x58 fs/reiserfs/super.c:2608
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
vfs_get_tree+0x90/0x274 fs/super.c:1499
do_new_mount+0x25c/0x8c8 fs/namespace.c:2994
path_mount+0x590/0x104c fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount fs/namespace.c:3522 [inline]
__arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 <unknown>:584
The buggy address belongs to the page:
page:00000000dbab7870 refcount:2 mapcount:0 mapping:00000000173f1cd1 index:0x213 pfn:0x1421ef
memcg:ffff0000db1e8000
aops:def_blk_aops ino:700002
flags: 0x5ffc00000002032(referenced|lru|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002032 fffffc0004087b88 ffff0000d835e030 ffff0000c50766c8
raw: 0000000000000213 ffff0000d441e488 00000002ffffffff ffff0000db1e8000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0001021efe80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0001021eff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0001021eff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0001021f0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0001021f0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376
REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop2): Remounting filesystem read-only
REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop2): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376
REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop2): zam-7001 reiserfs_find_entry: io error
---
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.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Mar 18, 2023, 1:48:40 AM3/18/23
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 7eaef76fbc46 Linux 6.1.20
syzbot found the following issue on:
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17b44816c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=29ad3fe3c7b61175
dashboard link: https://syzkaller.appspot.com/bug?extid=c3004af592ed21fe7f7d
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/34f95428f5fb/disk-7eaef76f.raw.xz
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
vmlinux: https://storage.googleapis.com/syzbot-assets/1bdd9b2c390d/vmlinux-7eaef76f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/419140981cfa/Image-7eaef76f.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
REISERFS warning: green-16003 errcatch_is_left_mergeable: Invalid item type observed, run fsck ASAP
REISERFS warning: green-16003 errcatch_is_left_mergeable: Invalid item type observed, run fsck ASAP
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551590 at addr ffff0000ec865fa4 by task syz-executor.3/31879
CPU: 1 PID: 31879 Comm: syz-executor.3 Not tainted 6.1.20-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
Call trace:
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_report+0x174/0x4c0 mm/kasan/report.c:395
kasan_report+0xd4/0x130 mm/kasan/report.c:495
kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
memmove+0x48/0x90 mm/kasan/shadow.c:54
leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x788 fs/reiserfs/do_balan.c:1888
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8ec/0xcc4 fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:882 [inline]
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
reiserfs_xattr_init+0x2b0/0x6bc fs/reiserfs/xattr.c:1005
reiserfs_fill_super+0x1bfc/0x2028 fs/reiserfs/super.c:2175
mount_bdev+0x26c/0x368 fs/super.c:1414
get_super_block+0x44/0x58 fs/reiserfs/super.c:2601
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
vfs_get_tree+0x90/0x274 fs/super.c:1544
do_new_mount+0x25c/0x8c8 fs/namespace.c:3040
path_mount+0x590/0xe58 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
The buggy address belongs to the physical page:
page:0000000049919154 refcount:3 mapcount:0 mapping:00000000daad2b4b index:0x213 pfn:0x12c865
memcg:ffff0001184c4000
aops:def_blk_aops ino:700003
flags: 0x5ffc60000002042(referenced|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc60000002042 0000000000000000 dead000000000122 ffff0000c049eb10
raw: 0000000000000213 ffff000103d2b000 00000003ffffffff ffff0001184c4000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000ec865e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Memory state around the buggy address:
ffff0000ec865f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000ec865f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0000ec866000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0000ec866080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[2 1915617280 0x65736965 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop3): Remounting filesystem read-only
REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop3): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[2 1915617280 0x65736965 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop3): zam-7001 reiserfs_find_entry: io error
syzbot
May 7, 2023, 3:01:03 AM5/7/23
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: ca48fc16c493 Linux 6.1.27
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=103e1ef2280000
kernel config: https://syzkaller.appspot.com/x/.config?x=aea4bb7802570997
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10eb5d18280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ec11c1903c52/disk-ca48fc16.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8ce41c1ad391/vmlinux-ca48fc16.xz
kernel image: https://storage.googleapis.com/syzbot-assets/affba5631cad/Image-ca48fc16.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/cdd31e47cee9/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c3004a...@syzkaller.appspotmail.com
REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
CPU: 1 PID: 4217 Comm: syz-executor270 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
memcg:ffff0000c0930000
aops:def_blk_aops ino:700000
raw: 0000000000000213 ffff0000e20d9bc8 00000003ffffffff ffff0000c0930000
ffff0000e2908f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000e2908f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0000e2909000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000e2909080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop0): Remounting filesystem read-only
REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop0): zam-7001 reiserfs_find_entry: io error
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: ca48fc16c493 Linux 6.1.27
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=103e1ef2280000
kernel config: https://syzkaller.appspot.com/x/.config?x=aea4bb7802570997
dashboard link: https://syzkaller.appspot.com/bug?extid=c3004af592ed21fe7f7d
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1621fe4c280000
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10eb5d18280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ec11c1903c52/disk-ca48fc16.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8ce41c1ad391/vmlinux-ca48fc16.xz
kernel image: https://storage.googleapis.com/syzbot-assets/affba5631cad/Image-ca48fc16.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/cdd31e47cee9/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c3004a...@syzkaller.appspotmail.com
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551584 at addr ffff0000e2908fa4 by task syz-executor270/4217
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
CPU: 1 PID: 4217 Comm: syz-executor270 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x174/0x4c0 mm/kasan/report.c:395
kasan_report+0xd4/0x130 mm/kasan/report.c:495
kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
memmove+0x48/0x90 mm/kasan/shadow.c:54
leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x788 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8ec/0xcc4 fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:882 [inline]
reiserfs_xattr_init+0x2b0/0x6bc fs/reiserfs/xattr.c:1005
reiserfs_fill_super+0x1bfc/0x2028 fs/reiserfs/super.c:2175
mount_bdev+0x26c/0x368 fs/super.c:1423
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x174/0x4c0 mm/kasan/report.c:395
kasan_report+0xd4/0x130 mm/kasan/report.c:495
kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
memmove+0x48/0x90 mm/kasan/shadow.c:54
leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x788 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8ec/0xcc4 fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:882 [inline]
reiserfs_xattr_init+0x2b0/0x6bc fs/reiserfs/xattr.c:1005
reiserfs_fill_super+0x1bfc/0x2028 fs/reiserfs/super.c:2175
get_super_block+0x44/0x58 fs/reiserfs/super.c:2601
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
vfs_get_tree+0x90/0x274 fs/super.c:1553
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
do_new_mount+0x25c/0x8c8 fs/namespace.c:3040
path_mount+0x590/0xe58 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
The buggy address belongs to the physical page:
page:000000003979d625 refcount:3 mapcount:0 mapping:00000000ba10f4be index:0x213 pfn:0x122908
path_mount+0x590/0xe58 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
The buggy address belongs to the physical page:
memcg:ffff0000c0930000
aops:def_blk_aops ino:700000
flags: 0x5ffc60000002042(referenced|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc60000002042 0000000000000000 dead000000000122 ffff0000c050bf10
raw: 0000000000000213 ffff0000e20d9bc8 00000003ffffffff ffff0000c0930000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000e2908e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Memory state around the buggy address:
ffff0000e2908f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000e2908f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0000e2909000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000e2909080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop0): Remounting filesystem read-only
REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop0): zam-7001 reiserfs_find_entry: io error
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
syzbot
May 10, 2023, 12:16:49 AM5/10/23
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 8a7f2a5c5aa1 Linux 5.15.110
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1614e932280000
kernel config: https://syzkaller.appspot.com/x/.config?x=7e93d602da27af41
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e9900c280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/16bea75b636d/disk-8a7f2a5c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3b169e33dcf2/vmlinux-8a7f2a5c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/190d08a00950/Image-8a7f2a5c.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/1aa638f079b8/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+137c25...@syzkaller.appspotmail.com
CPU: 0 PID: 3965 Comm: syz-executor220 Not tainted 5.15.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
The buggy address belongs to the page:
page:000000001897bb7c refcount:3 mapcount:0 mapping:00000000ed5c84ce index:0x213 pfn:0x11fe60
memcg:ffff0000c0894000
aops:def_blk_aops ino:700000
flags: 0x5ffc00000002022(referenced|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002022 0000000000000000 dead000000000122 ffff0000c5074f48
raw: 0000000000000213 ffff0000df8a8488 00000003ffffffff ffff0000c0894000
ffff0000dfe60f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000dfe60f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0000dfe61000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000dfe61080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
REISERFS (device loop0): Remounting filesystem read-only
REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS error (device loop0): zam-7001 reiserfs_find_entry: io error
---
HEAD commit: 8a7f2a5c5aa1 Linux 5.15.110
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1614e932280000
kernel config: https://syzkaller.appspot.com/x/.config?x=7e93d602da27af41
dashboard link: https://syzkaller.appspot.com/bug?extid=137c25e094e0ed6a2ce6
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b6d524280000
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e9900c280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/16bea75b636d/disk-8a7f2a5c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3b169e33dcf2/vmlinux-8a7f2a5c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/190d08a00950/Image-8a7f2a5c.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/1aa638f079b8/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+137c25...@syzkaller.appspotmail.com
REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551584 at addr ffff0000dfe60fa4 by task syz-executor220/3965
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
CPU: 0 PID: 3965 Comm: syz-executor220 Not tainted 5.15.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
memmove+0x90/0xe8 mm/kasan/shadow.c:54
leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x790 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8c0/0xc8c fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:889 [inline]
reiserfs_xattr_init+0x2b0/0x6dc fs/reiserfs/xattr.c:1012
reiserfs_fill_super+0x1b28/0x1e8c fs/reiserfs/super.c:2179
mount_bdev+0x26c/0x368 fs/super.c:1378
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
memmove+0x90/0xe8 mm/kasan/shadow.c:54
leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline]
balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline]
balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline]
balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452
do_balance+0x27c/0x790 fs/reiserfs/do_balan.c:1888
reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
reiserfs_add_entry+0x8c0/0xc8c fs/reiserfs/namei.c:567
reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
create_privroot fs/reiserfs/xattr.c:889 [inline]
reiserfs_xattr_init+0x2b0/0x6dc fs/reiserfs/xattr.c:1012
reiserfs_fill_super+0x1b28/0x1e8c fs/reiserfs/super.c:2179
get_super_block+0x44/0x58 fs/reiserfs/super.c:2608
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
vfs_get_tree+0x90/0x274 fs/super.c:1508
legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
do_new_mount+0x25c/0x8c8 fs/namespace.c:2994
path_mount+0x590/0x104c fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount fs/namespace.c:3522 [inline]
__arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
path_mount+0x590/0x104c fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount fs/namespace.c:3522 [inline]
__arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
The buggy address belongs to the page:
memcg:ffff0000c0894000
aops:def_blk_aops ino:700000
flags: 0x5ffc00000002022(referenced|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002022 0000000000000000 dead000000000122 ffff0000c5074f48
raw: 0000000000000213 ffff0000df8a8488 00000003ffffffff ffff0000c0894000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000dfe60e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Memory state around the buggy address:
ffff0000dfe60f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000dfe60f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff0000dfe61000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff0000dfe61080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS (device loop0): Remounting filesystem read-only
REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data
REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 29662, item_location 2, free_space(entry_count) 37376
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck?
REISERFS error (device loop0): zam-7001 reiserfs_find_entry: io error
---
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