syzbot


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

Status: fixed on 2019/09/06 20:45
Subsystems: afs net
[Documentation on labels]
Reported-by: syzbot+1e0edc4b8b7494c28450@syzkaller.appspotmail.com
Fix commit: 730c5fd42c1e rxrpc: Fix local endpoint refcounting
First crash: 1820d, last: 1752d
Cause bisection: introduced by (bisect log) :
commit 46894a13599a977ac35411b536fb3e0b2feefa95
Author: David Howells <dhowells@redhat.com>
Date: Thu Oct 4 08:32:28 2018 +0000

  rxrpc: Use IPv4 addresses throught the IPv6

Crash: kernel BUG at net/rxrpc/local_object.c:LINE! (log)
Repro: syz .config
  
Discussions (9)
Title Replies (including bot) Last reply
[PATCH AUTOSEL 5.2 01/76] batman-adv: Fix netlink dumping of all mcast_flags buckets 82 (82) 2019/08/30 13:25
[PATCH AUTOSEL 4.19 01/45] net: tundra: tsi108: use spin_lock_irqsave instead of spin_lock_irq in IRQ context 45 (45) 2019/08/29 18:15
[PATCH 4.19 00/98] 4.19.69-stable review 118 (118) 2019/08/28 22:05
[PATCH 5.2 000/162] 5.2.11-stable review 173 (173) 2019/08/28 16:28
Re: kernel BUG at net/rxrpc/local_object.c:LINE! 1 (1) 2019/08/19 08:23
kernel BUG at net/rxrpc/local_object.c:LINE! 12 (15) 2019/08/18 18:47
[PATCH net 0/2] rxrpc: Fixes 4 (4) 2019/08/09 18:27
Reminder: 2 open syzbot bugs in "net/rxrpc" subsystem 1 (1) 2019/07/24 02:44
Reminder: 3 open syzbot bugs in "net/rxrpc" subsystem 1 (1) 2019/07/02 06:21
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG at net/rxrpc/local_object.c:LINE! C done 13912 1576d 1786d 1/1 fixed on 2020/03/28 11:16
linux-4.14 kernel BUG at net/rxrpc/local_object.c:LINE! C 30950 479d 1786d 0/1 upstream: reported C repro on 2019/07/31 12:50
Last patch testing requests (1)
Created Duration User Patch Repo Result
2019/07/05 12:13 10m dvyukov@google.com upstream report log

Sample crash report:
rxrpc: Assertion failed
------------[ cut here ]------------
kernel BUG at net/rxrpc/local_object.c:433!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3021 Comm: kworker/0:2 Not tainted 5.3.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: krxrpcd rxrpc_local_processor
RIP: 0010:rxrpc_local_destroyer net/rxrpc/local_object.c:433 [inline]
RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 net/rxrpc/local_object.c:466
Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48
RSP: 0018:ffff88809fb2fce8 EFLAGS: 00010282
RAX: 0000000000000017 RBX: ffff8880a78556b8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1013f65f8f
RBP: ffff88809fb2fd30 R08: 0000000000000017 R09: ffffed1015d060d1
R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff8880a7bccb08
R13: ffff88808e8e0648 R14: ffff8880a7855680 R15: ffff88809a634000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000000a389c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 400d8a51848cb9d0 ]---
RIP: 0010:rxrpc_local_destroyer net/rxrpc/local_object.c:433 [inline]
RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 net/rxrpc/local_object.c:466
Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48
RSP: 0018:ffff88809fb2fce8 EFLAGS: 00010282
RAX: 0000000000000017 RBX: ffff

Crashes (11167):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/03 01:46 upstream 9f159ae07f07 14544a56 .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/09/02 12:03 upstream 9f159ae07f07 db7c31ca .config console log report syz C ci-upstream-kasan-gce-root
2019/09/02 11:25 upstream 9f159ae07f07 db7c31ca .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/09/02 11:10 upstream eea173097dfb db7c31ca .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/09/01 18:34 upstream eea173097dfb bad3cce2 .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/09/01 18:33 upstream eea173097dfb bad3cce2 .config console log report syz C ci-upstream-kasan-gce-root
2019/09/01 18:30 upstream eea173097dfb bad3cce2 .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/29 16:22 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce
2019/08/29 16:21 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/08/29 16:21 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-root
2019/08/29 15:55 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/29 12:41 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/29 12:36 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/08/29 12:35 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-root
2019/08/29 12:34 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce
2019/08/29 11:26 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/29 10:39 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/08/29 10:38 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-root
2019/08/29 09:50 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce
2019/08/28 23:11 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/28 22:30 upstream 6525771f58cb fd37b39e .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/08/29 16:21 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 09:25 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 05:13 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 04:34 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 04:10 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 03:31 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 03:06 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/28 22:41 net-old 9e8312f5e160 fd37b39e .config console log report syz C ci-upstream-net-this-kasan-gce
2019/08/29 16:21 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 08:39 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 02:18 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 01:40 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 01:15 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 00:50 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/29 00:23 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/28 23:58 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/28 23:20 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/28 22:54 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/28 22:21 net-next-old d00ee466a07e fd37b39e .config console log report syz C ci-upstream-net-kasan-gce
2019/08/22 11:14 linux-next a34a6117538e 984250d5 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/08/18 18:46 linux-next 0c3d3d648b3e 55bf8926 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/06/27 20:41 upstream 249155c20f9b 7509bf36 .config console log report syz ci-upstream-kasan-gce
2019/06/27 18:34 net-old 89ed5b519004 7509bf36 .config console log report syz ci-upstream-net-this-kasan-gce
2019/09/03 05:31 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/03 04:07 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/03 02:17 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/03 00:50 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 23:28 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 20:15 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 19:18 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 16:54 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 16:31 upstream 9f159ae07f07 14544a56 .config console log report ci-upstream-kasan-gce-root
2019/09/02 15:31 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce-root
2019/09/02 15:18 upstream eea173097dfb db7c31ca .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 14:04 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce
2019/09/02 13:34 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce
2019/09/02 11:50 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce-smack-root
2019/09/02 08:01 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce
2019/09/02 05:19 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce-smack-root
2019/09/02 04:45 upstream eea173097dfb db7c31ca .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 04:28 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce-root
2019/09/02 04:18 upstream 9f159ae07f07 db7c31ca .config console log report ci-upstream-kasan-gce-root
2019/09/02 03:00 upstream 9f159ae07f07 bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/02 02:32 upstream 9f159ae07f07 bad3cce2 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/02 01:38 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 01:12 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/02 00:12 upstream 9f159ae07f07 bad3cce2 .config console log report ci-upstream-kasan-gce-root
2019/09/01 23:42 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 23:08 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 22:11 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 21:42 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 21:00 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 20:57 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 20:15 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 19:40 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 17:43 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 16:44 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 14:30 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 14:19 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 13:18 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/09/01 11:41 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/01 11:24 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-root
2019/09/01 11:22 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/01 09:58 upstream eea173097dfb bad3cce2 .config console log report ci-upstream-kasan-gce
2019/08/31 10:05 net-old 9e8312f5e160 fd37b39e .config console log report ci-upstream-net-this-kasan-gce
2019/09/02 10:32 net-next-old 4bc61b0b1695 db7c31ca .config console log report ci-upstream-net-kasan-gce
2019/09/02 09:23 net-next-old 4bc61b0b1695 db7c31ca .config console log report ci-upstream-net-kasan-gce
2019/09/02 06:49 net-next-old 4bc61b0b1695 db7c31ca .config console log report ci-upstream-net-kasan-gce
2019/09/01 15:37 net-next-old 38320f69403d bad3cce2 .config console log report ci-upstream-net-kasan-gce
2019/09/01 08:40 net-next-old ed6e8103ba72 bad3cce2 .config console log report ci-upstream-net-kasan-gce
2019/09/01 07:27 net-next-old ed6e8103ba72 bad3cce2 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.