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kernel BUG at net/rxrpc/conn_client.c:LINE!

Status: upstream: reported C repro on 2019/07/31 18:51
Reported-by: syzbot+c7a4713d654aa4fc2ec8@syzkaller.appspotmail.com
First crash: 1975d, last: 784d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in rxrpc_disconnect_client_call afs net 1 1188d 1188d 0/28 auto-closed as invalid on 2021/12/24 05:37
▶ ▼ Fix bisection attempts (11)
Created Duration User Patch Repo Result
2022/10/13 02:07 0m bisect fix linux-4.14.y error job log
2022/08/05 22:08 44m bisect fix linux-4.14.y OK (0) job log log
2022/06/07 13:16 38m bisect fix linux-4.14.y OK (0) job log log
2022/02/20 00:36 31m bisect fix linux-4.14.y OK (0) job log log
2022/01/21 00:01 35m bisect fix linux-4.14.y OK (0) job log log
2021/11/12 11:40 33m bisect fix linux-4.14.y OK (0) job log log
2021/10/13 11:07 32m bisect fix linux-4.14.y OK (0) job log log
2021/09/13 10:29 38m bisect fix linux-4.14.y OK (0) job log log
2021/08/14 09:42 33m bisect fix linux-4.14.y OK (0) job log log
2021/07/15 09:14 27m bisect fix linux-4.14.y OK (0) job log log
2021/06/15 08:46 27m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
rxrpc: Assertion failed - 0(0x0) == 18446612684577522688(0xffff888095754400) is false
------------[ cut here ]------------
kernel BUG at net/rxrpc/conn_client.c:792!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7515 Comm: syz-executor957 Not tainted 4.14.142 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809df0a2c0 task.stack: ffff8880a6978000
RIP: 0010:rxrpc_disconnect_client_call.cold+0x29/0x7a net/rxrpc/conn_client.c:792
RSP: 0018:ffff8880a697f6e0 EFLAGS: 00010286
RAX: 0000000000000055 RBX: ffff8880852a7be0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff866d10e0 RDI: ffffed1014d2fed2
RBP: ffff8880a697f728 R08: 0000000000000055 R09: ffff88809df0ab88
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888095754400
R13: ffff8880852a7b40 R14: 0000000000000000 R15: ffff8880852a7b90
FS:  00007f0d4f0ad700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0d4f0acdb8 CR3: 000000008ffac000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rxrpc_connect_call+0x2108/0x41a0 net/rxrpc/conn_client.c:701
 rxrpc_new_client_call+0x8f7/0x1420 net/rxrpc/call_object.c:276
 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline]
 rxrpc_do_sendmsg+0x91a/0x1103 net/rxrpc/sendmsg.c:577
 rxrpc_sendmsg+0x4d1/0x610 net/rxrpc/af_rxrpc.c:543
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x349/0x840 net/socket.c:2062
 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x35/0x60 net/socket.c:2178
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x449ad9
RSP: 002b:00007f0d4f0acce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00000000006e6a18 RCX: 0000000000449ad9
RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003
RBP: 00000000006e6a10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e6a1c
R13: 00007ffddcf6281f R14: 00007f0d4f0ad9c0 R15: 20c49ba5e353f7cf
Code: 0f 0b 48 89 75 d0 e8 b8 1d c8 fb 48 8b 75 d0 4d 89 e1 4d 89 e0 48 c7 c1 60 37 fd 86 48 c7 c7 00 37 fd 86 48 89 f2 e8 9b 59 b6 fb <0f> 0b e8 91 1d c8 fb 48 c7 c7 e0 38 fd 86 e8 88 59 b6 fb 0f 0b 
RIP: rxrpc_disconnect_client_call.cold+0x29/0x7a net/rxrpc/conn_client.c:792 RSP: ffff8880a697f6e0
---[ end trace ca1a957f072d927f ]---

Crashes (325):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/08 01:02 linux-4.14.y 414510bc00a5 a60cb4cd .config console log report syz C ci2-linux-4-14
2020/07/07 18:37 linux-4.14.y b850307b279c 42723355 .config console log report syz ci2-linux-4-14
2019/09/22 05:01 linux-4.14.y f6e27dbb1afa d96e88f3 .config console log report syz ci2-linux-4-14
2022/11/03 04:55 linux-4.14.y a85772d7ba90 7a2ebf95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/10/25 04:10 linux-4.14.y 9d5c0b3a8e1a 45645420 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/08/24 11:39 linux-4.14.y b641242202ed 514514f6 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/07/06 20:39 linux-4.14.y ed2e96e11936 bff65f44 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/05/08 13:08 linux-4.14.y e3a56aaade89 e60b1103 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/04/28 19:46 linux-4.14.y e3a56aaade89 e9076525 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/04/07 11:37 linux-4.14.y 74766a973637 53c67432 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2022/03/17 06:36 linux-4.14.y eb045674aab3 dfa9a8ed .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/21 09:46 linux-4.14.y 9dfbac0e6b86 a938f0b8 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/07 11:38 linux-4.14.y 66722c42ec91 0230ba3e .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/05 22:02 linux-4.14.y 66722c42ec91 a617004c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/05 10:46 linux-4.14.y 66722c42ec91 a617004c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/05 07:42 linux-4.14.y 66722c42ec91 a617004c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/05 03:50 linux-4.14.y 66722c42ec91 a617004c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/12/03 21:23 linux-4.14.y 66722c42ec91 c7c20675 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/16 08:46 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/14 03:16 linux-4.14.y 7d7d1c0ab3eb 8bdd5343 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/12 08:40 linux-4.14.y 7d7d1c0ab3eb 86294427 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/10 13:45 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/09 08:02 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/04 15:38 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/05/04 02:21 linux-4.14.y 7d7d1c0ab3eb 09efdd63 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/30 16:45 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/30 12:04 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/29 21:12 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/24 07:22 linux-4.14.y cf256fbcbe34 17f0b706 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/23 06:47 linux-4.14.y cf256fbcbe34 590921a5 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/19 19:52 linux-4.14.y cf256fbcbe34 4285c989 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/14 12:15 linux-4.14.y 958e517f4e16 3134b37f .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/13 20:03 linux-4.14.y 958e517f4e16 a184b83e .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/04/12 15:19 linux-4.14.y 958e517f4e16 6a81331a .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/28 13:38 linux-4.14.y 670d6552eda8 a8529b82 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/26 11:19 linux-4.14.y 670d6552eda8 a8529b82 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/21 13:00 linux-4.14.y cb83ddcd5332 17810eae .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/18 10:35 linux-4.14.y cb83ddcd5332 7216542e .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/16 17:12 linux-4.14.y c7150cd2fa8c fdb2bb2c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/15 16:58 linux-4.14.y c7150cd2fa8c fdb2bb2c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/15 15:38 linux-4.14.y c7150cd2fa8c fdb2bb2c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/12 18:37 linux-4.14.y c7150cd2fa8c 429d8a6b .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/04 17:28 linux-4.14.y 397a88b2cc86 f89ed068 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/03 18:07 linux-4.14.y 397a88b2cc86 06ed56cd .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/02 10:00 linux-4.14.y 3242aa3a635c 92ead296 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/03/01 21:21 linux-4.14.y 3242aa3a635c 183afb6c .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/02/23 01:46 linux-4.14.y 29c52025152b fcc6d71b .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/02/21 04:30 linux-4.14.y 29c52025152b 3e5ed8b4 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/02/20 17:50 linux-4.14.y 29c52025152b 3e5ed8b4 .config console log report info ci2-linux-4-14 kernel BUG in rxrpc_disconnect_client_call
2021/01/15 06:26 linux-4.14.y f79dc86058bc 65a7a854 .config console log report info ci2-linux-4-14
2019/07/31 17:50 linux-4.14.y 10d6aa565d05 995b2a26 .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.