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WARNING in inet_sock_destruct

Status: upstream: reported C repro on 2023/05/08 19:19
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+f1ce40f7fa5e1ed90a63@syzkaller.appspotmail.com
First crash: 846d, last: 3h13m
Fix bisection: the issue occurs on the latest tested release (bisect log)
Crash: WARNING in inet_sock_destruct (log)
Repro: C syz .config
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/08/17 upstream (ToT) 99bade344cfa C [report] WARNING in inet_sock_destruct
▶ ▼ Similar bugs (10)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 WARNING in inet_sock_destruct -1 C 728 2559d 2334d 0/3 public: reported C repro on 2019/04/12 00:00
linux-6.1 WARNING in inet_sock_destruct (2) origin:lts-only -1 C inconclusive 13 14d 216d 0/3 upstream: reported C repro on 2025/01/28 09:26
android-44 WARNING in inet_sock_destruct -1 12 2568d 2780d 0/2 auto-closed as invalid on 2019/02/22 12:37
upstream WARNING in inet_sock_destruct (4) net -1 C done 6681 2d20h 801d 28/29 upstream: reported C repro on 2023/06/23 14:36
upstream WARNING in inet_sock_destruct (3) net -1 C 87 819d 922d 22/29 fixed on 2023/06/08 14:41
linux-6.1 WARNING in inet_sock_destruct origin:upstream missing-backport -1 C done 631 260d 873d 3/3 fixed on 2025/01/27 09:36
android-6-12 WARNING in inet_sock_destruct origin:upstream -1 C 58 3d15h 65d 0/1 premoderation: reported C repro on 2025/06/27 18:32
upstream WARNING in inet_sock_destruct (2) net -1 C unreliable unreliable 1259 1118d 1749d 0/29 closed as invalid on 2022/10/12 18:26
upstream WARNING in inet_sock_destruct net -1 5893 2862d 2857d 0/29 closed as invalid on 2018/01/30 22:53
linux-4.14 WARNING in inet_sock_destruct -1 C inconclusive 1 1918d 1978d 0/1 upstream: reported C repro on 2020/04/02 03:04
▶ ▼ Last patch testing requests (7)
Created Duration User Patch Repo Result
2025/09/01 12:52 16m retest repro linux-5.15.y report log
2025/08/03 20:10 16m retest repro linux-5.15.y report log
2025/07/13 07:32 12m retest repro linux-5.15.y report log
2025/07/13 07:32 11m retest repro linux-5.15.y report log
2025/05/25 08:23 11m retest repro linux-5.15.y report log
2025/04/21 11:01 21m retest repro linux-5.15.y report log
2025/04/20 15:22 17m retest repro linux-5.15.y OK log
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2025/06/30 20:15 1m fix candidate upstream error job log
2025/01/21 20:33 1h14m fix candidate upstream OK (0) job log
2024/01/26 03:17 49m bisect fix linux-5.15.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4415 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Modules linked in:
CPU: 0 PID: 4415 Comm: kworker/0:18 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events nsim_fib_event_work
RIP: 0010:inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Code: 01 e8 e9 e7 11 f9 0f 0b e9 64 fe ff ff e8 dd e7 11 f9 0f 0b e9 99 fe ff ff e8 d1 e7 11 f9 0f 0b e9 c1 fe ff ff e8 c5 e7 11 f9 <0f> 0b e9 e9 fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff
RSP: 0018:ffffc90000007c08 EFLAGS: 00010246
RAX: ffffffff8865dc5b RBX: dffffc0000000000 RCX: ffff88807d299dc0
RDX: 0000000000000100 RSI: 0000000000000fff RDI: 0000000000000000
RBP: 0000000000000fff R08: dffffc0000000000 R09: ffffed100f9e71e8
R10: ffffed100f9e71e8 R11: 1ffff1100f9e71e7 R12: ffff88807cf38cc0
R13: ffff88807cf38cc0 R14: ffff88807cf38ee0 R15: 1ffff1100f9e719a
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000023c0 CR3: 0000000024a69000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x50/0x820 net/core/sock.c:1956
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 do_softirq+0x13b/0x200 kernel/softirq.c:477
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x174/0x1b0 kernel/softirq.c:401
 __rhashtable_insert_fast include/linux/rhashtable.h:788 [inline]
 rhashtable_insert_fast+0x6fd/0xe00 include/linux/rhashtable.h:825
 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:684 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:757 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:854 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:887 [inline]
 nsim_fib_event_work+0x21e7/0x3240 drivers/net/netdevsim/fib.c:1483
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 process_scheduled_works kernel/workqueue.c:2373 [inline]
 worker_thread+0xdca/0x12a0 kernel/workqueue.c:2459
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Crashes (2061):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/17 10:47 linux-5.15.y c79648372d02 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/05/08 06:09 linux-5.15.y 16fdf2c7111b dbf35fa1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/01/26 06:28 linux-5.15.y 003148680b79 9fbd772e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/03/03 13:36 linux-5.15.y 80efc6265290 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/08/17 09:15 linux-5.15.y c79648372d02 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/08/03 20:16 linux-5.15.y c79648372d02 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/06/29 00:41 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/05/31 12:00 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/03/31 20:29 linux-5.15.y 0c935c049b5c d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/03/26 22:40 linux-5.15.y 0c935c049b5c 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/03/05 16:18 linux-5.15.y c16c81c81336 60f5d8d9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/02/09 16:41 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/02/01 11:21 linux-5.15.y 003148680b79 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/12/28 18:39 linux-5.15.y 91786f140358 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/12/02 04:06 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/19 03:01 linux-5.15.y 0a51d2d4527b 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/18 15:10 linux-5.15.y 0a51d2d4527b e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/17 20:21 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/17 20:19 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/15 23:08 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/15 09:53 linux-5.15.y d98fd109f827 f6ede3a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/14 19:11 linux-5.15.y d98fd109f827 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/14 11:53 linux-5.15.y 3c17fc483905 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/13 17:03 linux-5.15.y 3c17fc483905 bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/13 16:55 linux-5.15.y 3c17fc483905 bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/11 14:36 linux-5.15.y 3c17fc483905 0c4b1325 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/10 18:03 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/11/09 01:27 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2024/10/17 13:08 linux-5.15.y 3a5928702e71 666f77ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2023/11/21 00:33 linux-5.15.y 2a910f4af54d cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2023/08/05 06:16 linux-5.15.y 38d4ca22a528 cdae481e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2023/06/17 08:14 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in inet_sock_destruct
2025/06/06 08:01 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/05/11 02:48 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/05/08 05:18 linux-5.15.y 16fdf2c7111b dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/04/06 13:39 linux-5.15.y 0c935c049b5c 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/03/02 17:47 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/02/26 02:10 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/02/20 15:16 linux-5.15.y c16c81c81336 50668798 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2025/01/26 05:09 linux-5.15.y 003148680b79 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/12/02 22:32 linux-5.15.y 0a51d2d4527b b499ea68 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/21 00:20 linux-5.15.y 0a51d2d4527b 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/13 00:34 linux-5.15.y 3c17fc483905 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/12 04:26 linux-5.15.y 3c17fc483905 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/12 04:24 linux-5.15.y 3c17fc483905 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/10 19:12 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/10 16:08 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/10 08:01 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/09 12:13 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/11/09 09:38 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/07/08 06:25 linux-5.15.y f45bea23c39c 2a40360c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/05/29 09:19 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/05/19 06:13 linux-5.15.y 83655231580b c0f1611a .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/04/28 20:15 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2024/04/15 06:36 linux-5.15.y fa3df276cd36 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2023/06/19 12:04 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2023/05/19 11:34 linux-5.15.y 9d6bde853685 3bb7af1d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
2023/05/08 19:18 linux-5.15.y 8a7f2a5c5aa1 c7a5e2a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in inet_sock_destruct
* Struck through repros no longer work on HEAD.