[v6.1] KASAN: slab-out-of-bounds Read in reiserfs_xattr_get
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syzbot
Dec 20, 2024, 1:16:30 AM12/20/24
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1233ff44580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f738f3c37768d3ef
dashboard link: https://syzkaller.appspot.com/bug?extid=3efd51211299ab916cbe
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f0e977ac21f4/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2114c6ce7c93/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3ec83a920b74/Image-29f02ec5.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3efd51...@syzkaller.appspotmail.com
loop2: detected capacity change from 0 to 32768
==================================================================
BUG: KASAN: slab-out-of-bounds in reiserfs_xattr_get+0xd0/0x96c fs/reiserfs/xattr.c:674
Read of size 8 at addr ffff0000f8794d98 by task syz.2.8648/23577
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:316 [inline]
print_report+0x174/0x4c0 mm/kasan/report.c:427
kasan_report+0xd4/0x130 mm/kasan/report.c:531
__asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351
reiserfs_xattr_get+0xd0/0x96c fs/reiserfs/xattr.c:674
reiserfs_get_acl+0x94/0x624 fs/reiserfs/xattr_acl.c:214
get_acl+0x15c/0x338 fs/posix_acl.c:153
check_acl+0x40/0x184 fs/namei.c:309
acl_permission_check fs/namei.c:354 [inline]
generic_permission+0x340/0x478 fs/namei.c:407
reiserfs_permission+0x74/0xa8 fs/reiserfs/xattr.c:954
do_inode_permission fs/namei.c:461 [inline]
inode_permission+0x1d0/0x3b4 fs/namei.c:528
may_open+0x290/0x3bc fs/namei.c:3254
do_open fs/namei.c:3624 [inline]
path_openat+0x1cec/0x2548 fs/namei.c:3783
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
Allocated by task 4808:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:936 [inline]
__kmalloc+0xd8/0x1c4 mm/slab_common.c:949
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
fib_create_info+0x920/0x1e60 net/ipv4/fib_semantics.c:1459
fib_table_insert+0x1a4/0x1574 net/ipv4/fib_trie.c:1236
fib_magic net/ipv4/fib_frontend.c:1104 [inline]
fib_add_ifaddr+0xba0/0x122c net/ipv4/fib_frontend.c:1148
fib_netdev_event+0x56c/0x6b0 net/ipv4/fib_frontend.c:1486
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
__dev_notify_flags+0x2ac/0x534
dev_change_flags+0xc8/0x154 net/core/dev.c:8669
do_setlink+0xacc/0x3318 net/core/rtnetlink.c:2830
__rtnl_newlink net/core/rtnetlink.c:3605 [inline]
rtnl_newlink+0x1424/0x1b74 net/core/rtnetlink.c:3652
rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6150
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
The buggy address belongs to the object at ffff0000f8794c00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 152 bytes to the right of
256-byte region [ffff0000f8794c00, ffff0000f8794d00)
The buggy address belongs to the physical page:
page:0000000059d419ec refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x138794
head:0000000059d419ec order:1 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000001 ffff0000c0002480
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000f8794c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
ffff0000f8794d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000f8794d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff0000f8794e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0000f8794e80: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
JFS: metapage_get_blocks failed
ERROR: (device loop2): release_metapage: write_one_page() failed
ERROR: (device loop2): remounting filesystem as read-only
JFS: metapage_get_blocks failed
ERROR: (device loop2): release_metapage: write_one_page() failed
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(sem->magic != sem): count = 0x1, magic = 0x0, owner = 0xffff0000fbca9bc0, curr 0xffff0000fbca9bc0, list not empty
WARNING: CPU: 1 PID: 23577 at kernel/locking/rwsem.c:1366 __up_write kernel/locking/rwsem.c:1366 [inline]
WARNING: CPU: 1 PID: 23577 at kernel/locking/rwsem.c:1366 up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G B W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1366 [inline]
pc : up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1366 [inline]
lr : up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
sp : ffff800022377440
x29: ffff8000223774c0 x28: ffff800022377600 x27: 1fffe0002013b347
x26: dfff800000000000 x25: 0000000000000001 x24: ffff0000fbca9bc0
x23: ffff0000fbca9bc0 x22: 0000000000000000 x21: ffff0001009d9a28
x20: ffff0001009d9a38 x19: ffff0001009d99d0 x18: 1fffe000367a0176
x17: ffff800015a8d000 x16: ffff80001232ae34 x15: ffff0001b3d00bbc
x14: ffff0001b3d00bb8 x13: 1fffe000367a0176 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000040000002 x9 : 06e8afa9cc02a100
x8 : 06e8afa9cc02a100 x7 : 1fffe000367a0177 x6 : ffff800008278b0c
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff800022376fa0 x1 : 0000000000000000 x0 : ffff800008278bac
Call trace:
__up_write kernel/locking/rwsem.c:1366 [inline]
up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
__jfs_setxattr+0xd34/0x1338 fs/jfs/xattr.c:793
__jfs_xattr_set+0xf8/0x190 fs/jfs/xattr.c:936
jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:960
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x1a8/0x344 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x230/0x294 fs/xattr.c:617
path_setxattr+0x17c/0x258 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
irq event stamp: 73979
hardirqs last enabled at (73979): [<ffff800008278bac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last enabled at (73979): [<ffff800008278bac>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (73978): [<ffff8000123f8f60>] __schedule+0x2a4/0x1d44 kernel/sched/core.c:6456
softirqs last enabled at (73906): [<ffff800008030408>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (73904): [<ffff8000080303d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
list_del corruption, ffff0001009d9898->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:50!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G B W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
lr : __list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
sp : ffff800022377430
x29: ffff800022377430 x28: dfff800000000000 x27: 1ffff00004120427
x26: ffff0001009d9850 x25: ffff0001009d9c10 x24: 0000000000000001
x23: 0000000000000001 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0001009d9898 x18: 1fffe000367a0176
x17: 0000000000000000 x16: ffff80001232c2f4 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000065180 x12: 0000000000080000
x11: 000000000001fde9 x10: ffff800027749000 x9 : 06e8afa9cc02a100
x8 : 06e8afa9cc02a100 x7 : 0000000000065180 x6 : 0000000000065140
x5 : ffff800022376d38 x4 : ffff800015b48880 x3 : ffff80000ab388ec
x2 : ffff0001b3d00cd0 x1 : 0000000100000001 x0 : 0000000000000033
Call trace:
__list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
__list_del_entry include/linux/list.h:134 [inline]
list_del_init include/linux/list.h:206 [inline]
txCommit+0x688/0x5574 fs/jfs/jfs_txnmgr.c:1247
__jfs_xattr_set+0x12c/0x190 fs/jfs/xattr.c:938
jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:960
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x1a8/0x344 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x230/0x294 fs/xattr.c:617
path_setxattr+0x17c/0x258 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
Code: b003ef60 91088000 aa1303e1 95de09a5 (d4210000)
---[ end trace 0000000000000000 ]---
---
This report is generated by a bot. It may contain errors.
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If you want to overwrite report's subsystems, reply with:
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(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1233ff44580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f738f3c37768d3ef
dashboard link: https://syzkaller.appspot.com/bug?extid=3efd51211299ab916cbe
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f0e977ac21f4/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2114c6ce7c93/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3ec83a920b74/Image-29f02ec5.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3efd51...@syzkaller.appspotmail.com
loop2: detected capacity change from 0 to 32768
==================================================================
BUG: KASAN: slab-out-of-bounds in reiserfs_xattr_get+0xd0/0x96c fs/reiserfs/xattr.c:674
Read of size 8 at addr ffff0000f8794d98 by task syz.2.8648/23577
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:316 [inline]
print_report+0x174/0x4c0 mm/kasan/report.c:427
kasan_report+0xd4/0x130 mm/kasan/report.c:531
__asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351
reiserfs_xattr_get+0xd0/0x96c fs/reiserfs/xattr.c:674
reiserfs_get_acl+0x94/0x624 fs/reiserfs/xattr_acl.c:214
get_acl+0x15c/0x338 fs/posix_acl.c:153
check_acl+0x40/0x184 fs/namei.c:309
acl_permission_check fs/namei.c:354 [inline]
generic_permission+0x340/0x478 fs/namei.c:407
reiserfs_permission+0x74/0xa8 fs/reiserfs/xattr.c:954
do_inode_permission fs/namei.c:461 [inline]
inode_permission+0x1d0/0x3b4 fs/namei.c:528
may_open+0x290/0x3bc fs/namei.c:3254
do_open fs/namei.c:3624 [inline]
path_openat+0x1cec/0x2548 fs/namei.c:3783
do_filp_open+0x1bc/0x3cc fs/namei.c:3810
do_sys_openat2+0x128/0x3e0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
Allocated by task 4808:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:936 [inline]
__kmalloc+0xd8/0x1c4 mm/slab_common.c:949
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
fib_create_info+0x920/0x1e60 net/ipv4/fib_semantics.c:1459
fib_table_insert+0x1a4/0x1574 net/ipv4/fib_trie.c:1236
fib_magic net/ipv4/fib_frontend.c:1104 [inline]
fib_add_ifaddr+0xba0/0x122c net/ipv4/fib_frontend.c:1148
fib_netdev_event+0x56c/0x6b0 net/ipv4/fib_frontend.c:1486
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
__dev_notify_flags+0x2ac/0x534
dev_change_flags+0xc8/0x154 net/core/dev.c:8669
do_setlink+0xacc/0x3318 net/core/rtnetlink.c:2830
__rtnl_newlink net/core/rtnetlink.c:3605 [inline]
rtnl_newlink+0x1424/0x1b74 net/core/rtnetlink.c:3652
rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6150
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
The buggy address belongs to the object at ffff0000f8794c00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 152 bytes to the right of
256-byte region [ffff0000f8794c00, ffff0000f8794d00)
The buggy address belongs to the physical page:
page:0000000059d419ec refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x138794
head:0000000059d419ec order:1 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000001 ffff0000c0002480
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000f8794c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
ffff0000f8794d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000f8794d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff0000f8794e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff0000f8794e80: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
JFS: metapage_get_blocks failed
ERROR: (device loop2): release_metapage: write_one_page() failed
ERROR: (device loop2): remounting filesystem as read-only
JFS: metapage_get_blocks failed
ERROR: (device loop2): release_metapage: write_one_page() failed
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(sem->magic != sem): count = 0x1, magic = 0x0, owner = 0xffff0000fbca9bc0, curr 0xffff0000fbca9bc0, list not empty
WARNING: CPU: 1 PID: 23577 at kernel/locking/rwsem.c:1366 __up_write kernel/locking/rwsem.c:1366 [inline]
WARNING: CPU: 1 PID: 23577 at kernel/locking/rwsem.c:1366 up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G B W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1366 [inline]
pc : up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1366 [inline]
lr : up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
sp : ffff800022377440
x29: ffff8000223774c0 x28: ffff800022377600 x27: 1fffe0002013b347
x26: dfff800000000000 x25: 0000000000000001 x24: ffff0000fbca9bc0
x23: ffff0000fbca9bc0 x22: 0000000000000000 x21: ffff0001009d9a28
x20: ffff0001009d9a38 x19: ffff0001009d99d0 x18: 1fffe000367a0176
x17: ffff800015a8d000 x16: ffff80001232ae34 x15: ffff0001b3d00bbc
x14: ffff0001b3d00bb8 x13: 1fffe000367a0176 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000040000002 x9 : 06e8afa9cc02a100
x8 : 06e8afa9cc02a100 x7 : 1fffe000367a0177 x6 : ffff800008278b0c
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff800022376fa0 x1 : 0000000000000000 x0 : ffff800008278bac
Call trace:
__up_write kernel/locking/rwsem.c:1366 [inline]
up_write+0x4e4/0x76c kernel/locking/rwsem.c:1626
__jfs_setxattr+0xd34/0x1338 fs/jfs/xattr.c:793
__jfs_xattr_set+0xf8/0x190 fs/jfs/xattr.c:936
jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:960
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x1a8/0x344 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x230/0x294 fs/xattr.c:617
path_setxattr+0x17c/0x258 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
irq event stamp: 73979
hardirqs last enabled at (73979): [<ffff800008278bac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last enabled at (73979): [<ffff800008278bac>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (73978): [<ffff8000123f8f60>] __schedule+0x2a4/0x1d44 kernel/sched/core.c:6456
softirqs last enabled at (73906): [<ffff800008030408>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (73904): [<ffff8000080303d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
list_del corruption, ffff0001009d9898->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:50!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 23577 Comm: syz.2.8648 Tainted: G B W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
lr : __list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
sp : ffff800022377430
x29: ffff800022377430 x28: dfff800000000000 x27: 1ffff00004120427
x26: ffff0001009d9850 x25: ffff0001009d9c10 x24: 0000000000000001
x23: 0000000000000001 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0001009d9898 x18: 1fffe000367a0176
x17: 0000000000000000 x16: ffff80001232c2f4 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000065180 x12: 0000000000080000
x11: 000000000001fde9 x10: ffff800027749000 x9 : 06e8afa9cc02a100
x8 : 06e8afa9cc02a100 x7 : 0000000000065180 x6 : 0000000000065140
x5 : ffff800022376d38 x4 : ffff800015b48880 x3 : ffff80000ab388ec
x2 : ffff0001b3d00cd0 x1 : 0000000100000001 x0 : 0000000000000033
Call trace:
__list_del_entry_valid+0xe0/0x158 lib/list_debug.c:49
__list_del_entry include/linux/list.h:134 [inline]
list_del_init include/linux/list.h:206 [inline]
txCommit+0x688/0x5574 fs/jfs/jfs_txnmgr.c:1247
__jfs_xattr_set+0x12c/0x190 fs/jfs/xattr.c:938
jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:960
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x1a8/0x344 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x230/0x294 fs/xattr.c:617
path_setxattr+0x17c/0x258 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
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:585
Code: b003ef60 91088000 aa1303e1 95de09a5 (d4210000)
---[ end trace 0000000000000000 ]---
---
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syzbot
Mar 30, 2025, 2:16:16 AM3/30/25
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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