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memory leak in sock_hash_update_common

Status: auto-obsoleted due to no activity on 2022/09/12 14:16
Reported-by: syzbot+30c7a1fc662026545124@syzkaller.appspotmail.com
First crash: 1468d, last: 1152d
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
Reminder: 8 active syzbot reports in "net/bpf" subsystem 1 (1) 2019/08/16 04:17
Reminder: 36 open syzbot bugs in "net/bpf" subsystem 1 (1) 2019/07/03 06:01
Reminder: 30 open syzbot bugs in "net/bpf" subsystem 1 (1) 2019/06/24 05:01
memory leak in sock_hash_update_common 0 (1) 2019/05/22 15:58
▶ ▼ 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

Crashes (109):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2020/04/02 16:36 upstream 919dce24701f a34e2c33 .config console log report syz ci-upstream-gce-leak
2020/03/20 20:31 upstream 6c90b86a745a 2c31c529 .config console log report syz ci-upstream-gce-leak
2020/03/03 17:40 upstream 63623fd44972 c88c7b75 .config console log report syz ci-upstream-gce-leak
2020/02/27 21:18 upstream f8788d86ab28 59b57593 .config console log report syz ci-upstream-gce-leak
2020/02/25 18:34 upstream f8788d86ab28 59b57593 .config console log report syz ci-upstream-gce-leak
2020/02/25 17:34 upstream f8788d86ab28 59b57593 .config console log report syz ci-upstream-gce-leak
2020/02/24 16:44 upstream d2eee25858f2 d801cb02 .config console log report syz ci-upstream-gce-leak
2020/02/13 13:54 upstream f2850dd5ee01 84f4fc8a .config console log report syz ci-upstream-gce-leak
2020/02/10 02:04 upstream d1ea35f4cdd4 35f5e45e .config console log report syz ci-upstream-gce-leak
2020/02/08 04:42 upstream 41dcd67e8868 06150bf1 .config console log report syz ci-upstream-gce-leak
2020/02/08 04:28 upstream 41dcd67e8868 06150bf1 .config console log report syz ci-upstream-gce-leak
2020/02/04 01:39 upstream 754beeec1d90 93e5e335 .config console log report syz ci-upstream-gce-leak
2020/01/31 12:02 upstream 9f68e3655aae 5ed23f9a .config console log report syz ci-upstream-gce-leak
2020/01/31 10:38 upstream 9f68e3655aae 5ed23f9a .config console log report syz ci-upstream-gce-leak
2020/01/27 05:58 upstream a45ea48e2bcd dd56146d .config console log report syz ci-upstream-gce-leak
2020/01/27 03:06 upstream a45ea48e2bcd dd56146d .config console log report syz ci-upstream-gce-leak
2020/01/26 14:49 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/26 12:11 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/26 11:34 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/26 10:27 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/26 08:00 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/26 05:51 upstream 2821e26f3a0a f4e7270e .config console log report syz ci-upstream-gce-leak
2020/01/25 23:05 upstream d5d359b0ac3f 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/25 18:26 upstream d5d359b0ac3f 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/25 00:25 upstream 6381b442836e 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 17:29 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 13:55 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 10:54 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 08:49 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 03:51 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/24 03:11 upstream 4703d9119972 2e95ab33 .config console log report syz ci-upstream-gce-leak
2020/01/23 21:59 upstream 131701c697e8 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 15:04 upstream 131701c697e8 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 11:51 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 10:11 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 08:27 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 06:20 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 04:49 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 04:10 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 03:08 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 01:38 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 01:06 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/23 00:26 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/22 23:45 upstream dbab40bdb42c 3334d684 .config console log report syz ci-upstream-gce-leak
2020/01/22 21:01 upstream d96d875ef5dd 8eda0b95 .config console log report syz ci-upstream-gce-leak
2020/01/22 19:28 upstream d96d875ef5dd 8eda0b95 .config console log report syz ci-upstream-gce-leak
2020/01/18 21:22 upstream 25e73aadf297 3de7aabb .config console log report syz ci-upstream-gce-leak
2020/01/18 12:19 upstream 25e73aadf297 3de7aabb .config console log report syz ci-upstream-gce-leak
2020/01/18 10:36 upstream 25e73aadf297 3de7aabb .config console log report syz ci-upstream-gce-leak
2019/05/22 12:28 upstream 9c7db5004280 84b9d384 .config console log report syz ci-upstream-gce-leak
* Struck through repros no longer work on HEAD.