syzbot
memory leak in sock_hash_update_common
Status:
auto-obsoleted due to no activity on 2022/09/12 14:16
Subsystems:
bpf
net
[Documentation on labels]
Reported-by: syzbot+30c7a1fc662026545124@syzkaller.appspotmail.com
First crash: 2619d, last: 2303d
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Last patch testing requests (11)
| Created |
Duration |
User |
Patch |
Repo |
Result |
| 2022/09/12 09:27 |
14m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/12 06:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/12 03:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/12 00:27 |
14m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 20:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 17:27 |
14m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 14:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 11:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 08:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2022/09/11 05:27 |
13m
|
retest repro
|
|
upstream |
OK
log
|
| 2021/07/01 04:40 |
13m
|
phind.uet@gmail.com
|
|
upstream |
OK
|
Sample crash report:
2020/04/02 16:11:29 executed programs: 8
2020/04/02 16:11:36 executed programs: 15
BUG: memory leak
unreferenced object 0xffff888103e2a700 (size 256):
comm "syz-executor.1", pid 8565, jiffies 4294947873 (age 9.880s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
61 0b a1 38 00 00 00 00 c0 d5 a2 03 81 88 ff ff a..8............
backtrace:
[<00000000b05df744>] kmalloc_node include/linux/slab.h:578 [inline]
[<00000000b05df744>] sock_hash_alloc_elem net/core/sock_map.c:782 [inline]
[<00000000b05df744>] sock_hash_update_common+0x31d/0x5c0 net/core/sock_map.c:842
[<000000006341d2ca>] sock_hash_update_elem+0x1e5/0x210 net/core/sock_map.c:900
[<00000000811d34af>] bpf_map_update_value.isra.0+0x141/0x2f0 kernel/bpf/syscall.c:169
[<000000003f37a7c2>] map_update_elem kernel/bpf/syscall.c:1100 [inline]
[<000000003f37a7c2>] __do_sys_bpf+0x16bf/0x1f00 kernel/bpf/syscall.c:3691
[<000000004ce14e99>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
[<00000000bbbb11f3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
* Struck through repros no longer work on HEAD.