syzbot


WARNING in inet_csk_get_port (2)

Status: fixed on 2023/12/21 01:43
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+71e724675ba3958edb31@syzkaller.appspotmail.com
Fix commit: 8702cf12e6ba tcp: Fix listen() warning with v4-mapped-v6 address.
First crash: 243d, last: 212d
Cause bisection: introduced by (bisect log) :
commit c48ef9c4aed3632566b57ba66cec6ec78624d4cb
Author: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Mon Sep 11 18:36:57 2023 +0000

  tcp: Fix bind() regression for v4-mapped-v6 non-wildcard address.

Crash: WARNING in inet_csk_get_port (log)
Repro: C syz .config
  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING in inet_csk_get_port (2) 3 (4) 2023/11/08 17:45
[PATCH v1 net] tcp: Fix listen() warning with v4-mapped-v6 address. 3 (3) 2023/10/13 17:10
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in inet_csk_get_port (3) net C 8 12d 13d 0/26 upstream: reported C repro on 2024/05/06 08:37
upstream WARNING in inet_csk_get_port net C done 1166 499d 727d 22/26 fixed on 2023/02/24 13:50
linux-6.1 WARNING in inet_csk_get_port origin:upstream C done 11 214d 243d 3/3 fixed on 2023/11/20 11:42

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5042 at net/ipv4/inet_connection_sock.c:587 inet_csk_get_port+0xf96/0x2350 net/ipv4/inet_connection_sock.c:587
Modules linked in:
CPU: 0 PID: 5042 Comm: syz-executor123 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:inet_csk_get_port+0xf96/0x2350 net/ipv4/inet_connection_sock.c:587
Code: 7c 24 08 e8 1c 6a 8b 01 31 d2 be 88 01 00 00 48 c7 c7 e0 4b ae 8b e8 39 a3 a3 f8 2e 2e 2e 31 c0 e9 04 fe ff ff e8 ea 01 d1 f8 <0f> 0b e9 0f f9 ff ff e8 de 01 d1 f8 49 8d 7e 48 e8 35 ce 5a 00 31
RSP: 0018:ffffc900039bfbf0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802603b080 RCX: 0000000000000000
RDX: ffff88801e400000 RSI: ffffffff88b6c856 RDI: ffff88807e8312f8
RBP: ffff88807e8312f0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff925e7900
R13: ffff88807e830c40 R14: 0000000000000000 R15: ffff88802603b080
FS:  0000555556946380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ad50 CR3: 000000007409d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inet_csk_listen_start+0x155/0x360 net/ipv4/inet_connection_sock.c:1256
 __inet_listen_sk+0x1b8/0x5c0 net/ipv4/af_inet.c:217
 inet_listen+0x93/0xd0 net/ipv4/af_inet.c:239
 __sys_listen+0x194/0x270 net/socket.c:1883
 __do_sys_listen net/socket.c:1892 [inline]
 __se_sys_listen net/socket.c:1890 [inline]
 __x64_sys_listen+0x53/0x80 net/socket.c:1890
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcf21d16af9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd79f0d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf21d16af9
RDX: 00007fcf21d16af9 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fcf21d895f0 R08: 0000000000000006 R09: 0000000000000006
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (88):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/20 00:26 upstream dd72f9c7e512 42e1d524 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in inet_csk_get_port
2023/09/20 01:20 upstream 2cf0f7156238 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in inet_csk_get_port
2023/09/20 07:23 net 492032760127 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in inet_csk_get_port
2023/10/18 04:57 net-next 7713ec844756 342b9c55 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in inet_csk_get_port
2023/09/19 23:15 net-next 0b8ef824eede 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in inet_csk_get_port
2023/10/18 09:06 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inet_csk_get_port
2023/10/18 06:51 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inet_csk_get_port
2023/10/18 04:51 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in inet_csk_get_port
2023/10/10 06:03 upstream 94f6f0550c62 c9be5398 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inet_csk_get_port
2023/10/18 05:12 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in inet_csk_get_port
2023/10/18 10:12 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in inet_csk_get_port
2023/10/18 07:53 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inet_csk_get_port
2023/09/23 23:55 net a59addacf899 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in inet_csk_get_port
2023/10/18 03:00 net-next 7713ec844756 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in inet_csk_get_port
2023/10/21 03:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/21 00:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/20 09:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 a42250d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/20 08:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 a42250d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/20 05:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 42e1d524 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/19 17:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 42e1d524 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/19 16:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 42e1d524 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/19 10:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/18 14:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/18 11:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/17 23:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c295ba49917a 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/17 05:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c295ba49917a 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/16 19:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c295ba49917a 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/16 18:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c295ba49917a 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/15 19:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 249eb8f39efb 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/14 21:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 249eb8f39efb 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/14 03:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 249eb8f39efb 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/13 21:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 249eb8f39efb 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/13 06:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/13 04:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/12 19:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 fc170927 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/12 17:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 fc170927 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/12 16:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 fc170927 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/11 02:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/10 20:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/10 18:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/10 16:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/10 09:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 c9be5398 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/10 03:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 c9be5398 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/09 15:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 3c53c7d9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/09 14:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 3c53c7d9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/09 12:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/09 00:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/08 17:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/07 11:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/07 10:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/06 18:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ed4d3054d499 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/06 15:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ed4d3054d499 db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/06 13:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ed4d3054d499 db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/05 21:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/05 19:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/05 11:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b b7d7ff54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/04 15:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b b7d7ff54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/04 13:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b b7d7ff54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/03 11:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b 65faba36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2023/10/03 09:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b 65faba36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
* Struck through repros no longer work on HEAD.