syzbot


WARNING in inet_csk_get_port (3)

Status: auto-obsoleted due to no activity on 2024/08/30 00:27
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+2459c1b9fcd39be822b1@syzkaller.appspotmail.com
First crash: 183d, last: 140d
Cause bisection: introduced by (bisect log) :
commit 3505cb9fa26cfec9512744466e754a8cbc2365b0
Author: Jiri Olsa <jolsa@kernel.org>
Date: Wed Aug 9 08:34:14 2023 +0000

  bpf: Add attach_type checks under bpf_prog_attach_check_attach_type

Crash: WARNING in inet_csk_get_port (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit 543576ec15b17c0c93301ac8297333c7b6e84ac7
Author: Stanislav Fomichev <sdf@google.com>
Date: Fri Apr 26 23:16:18 2024 +0000

  bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE

  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING in inet_csk_get_port (3) 3 (8) 2024/07/23 16:38
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in inet_csk_get_port (2) net C done 88 353d 384d 25/28 fixed on 2023/12/21 01:43
upstream WARNING in inet_csk_get_port net C done 1166 641d 869d 22/28 fixed on 2023/02/24 13:50
linux-6.1 WARNING in inet_csk_get_port origin:upstream C done 11 356d 385d 3/3 fixed on 2023/11/20 11:42
Last patch testing requests (5)
Created Duration User Patch Repo Result
2024/07/31 04:10 26m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/06/05 03:37 24m retest repro upstream OK log
2024/05/27 10:45 3h33m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 977b1ef51866 report log
2024/05/26 23:28 50m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 977b1ef51866 report log
2024/05/22 00:07 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5149 at net/ipv4/inet_connection_sock.c:595 inet_csk_get_port+0xf82/0x2530 net/ipv4/inet_connection_sock.c:595
Modules linked in:
CPU: 0 PID: 5149 Comm: syz-executor413 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:inet_csk_get_port+0xf82/0x2530 net/ipv4/inet_connection_sock.c:595
Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 15 00 00 48 8b 83 40 06 00 00 48 89 44 24 20 e9 c1 f2 ff ff e8 bf 13 4b f8 90 <0f> 0b 90 e9 10 f9 ff ff e8 b1 13 4b f8 49 8d 7f 48 e8 98 c5 5d 00
RSP: 0018:ffffc9000320fd38 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888029c16e80 RCX: ffffffff89429509
RDX: ffff88807f641e00 RSI: ffffffff8942ae91 RDI: ffff88802a9dc720
RBP: ffff88802a9dc718 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000004e20
R13: ffff888029c16e80 R14: ffff88802a9dc080 R15: ffff88814a520168
FS:  000055555730c380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bd1307150 CR3: 00000000208f6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inet_csk_listen_start+0x15e/0x390 net/ipv4/inet_connection_sock.c:1281
 inet_dccp_listen+0x1c5/0x220 net/dccp/proto.c:951
 __sys_listen+0x19b/0x280 net/socket.c:1881
 __do_sys_listen net/socket.c:1890 [inline]
 __se_sys_listen net/socket.c:1888 [inline]
 __x64_sys_listen+0x53/0x80 net/socket.c:1888
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0bd128cd29
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:00007ffdfa5275e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0bd128cd29
RDX: ffffffffffffffb8 RSI: 0000000020000005 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/21 11:30 upstream 977b1ef51866 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inet_csk_get_port
2024/04/25 00:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2024/04/21 20:55 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inet_csk_get_port
2024/04/21 09:37 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inet_csk_get_port
2024/05/07 10:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78186bd77b47 c035c6de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2024/05/02 01:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2024/05/02 01:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inet_csk_get_port
2024/04/08 10:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 ca620dd8 .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.