syzbot


invalid opcode in rxrpc_destroy_all_locals

Status: auto-closed as invalid on 2020/10/23 13:26
Reported-by: syzbot+b32447d91eecbb03dbd6@syzkaller.appspotmail.com
First crash: 823d, last: 729d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 invalid opcode in rxrpc_destroy_all_locals (2) 1 566d 566d 0/1 auto-closed as invalid on 2021/04/04 19:55

Sample crash report:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 348 Comm: kworker/u4:3 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
task: ffff8880a97d2380 task.stack: ffff8880a97e0000
RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:408
RSP: 0018:ffff8880a97e7bf8 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: ffff88806e8c8b80 RCX: fffffbfff1470380
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000282
RBP: ffff88806e8c8ba0 R08: ffff8880a97d2380 R09: dffffc0000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806e8c8ba0
R13: ffff88806e8c8bb0 R14: dffffc0000000000 R15: fffffbfff10bcc4f
FS:  0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000740694 CR3: 000000008bf47000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rxrpc_exit_net+0x158/0x260 net/rxrpc/net_ns.c:78
 ops_exit_list.isra.0+0x9d/0x140 net/core/net_namespace.c:142
 cleanup_net+0x3bb/0x820 net/core/net_namespace.c:484
 process_one_work+0x7c0/0x14c0 kernel/workqueue.c:2116
 worker_thread+0x5d7/0x1080 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 00 00 00 00 00 fc ff df 48 83 eb 20 e8 24 f3 a0 fb 4c 8d 63 20 4c 39 e5 0f 85 52 00 00 00 e8 12 f3 a0 fb 4c 89 ef e8 3a d7 83 00 <0f> 0b 48 89 ef e8 a0 2c ca fb eb c0 e8 f9 f2 a0 fb 48 c7 c7 a0 
RIP: rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:408 RSP: ffff8880a97e7bf8
---[ end trace d2f94134415e3143 ]---

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/06/25 13:25 linux-4.14.y b850307b279c c7b4497a .config log report
ci2-linux-4-14 2020/04/24 03:45 linux-4.14.y c10b57a567e4 03d97a1b .config log report
ci2-linux-4-14 2020/03/30 10:53 linux-4.14.y 01364dad1d45 c8d1cc20 .config log report
ci2-linux-4-14 2020/03/30 10:07 linux-4.14.y 01364dad1d45 c8d1cc20 .config log report
ci2-linux-4-14 2020/03/28 11:48 linux-4.14.y 01364dad1d45 f1ebdfba .config log report
ci2-linux-4-14 2020/03/25 13:41 linux-4.14.y 01364dad1d45 41f049cc .config log report
ci2-linux-4-14 2020/03/25 13:05 linux-4.14.y 01364dad1d45 41f049cc .config log report
ci2-linux-4-14 2020/03/23 16:48 linux-4.14.y 01364dad1d45 84f999d6 .config log report
ci2-linux-4-14 2020/03/23 16:32 linux-4.14.y 01364dad1d45 84f999d6 .config log report
ci2-linux-4-14 2020/03/23 16:19 linux-4.14.y 01364dad1d45 84f999d6 .config log report
ci2-linux-4-14 2020/03/23 15:24 linux-4.14.y 01364dad1d45 78267cec .config log report
ci2-linux-4-14 2020/03/23 10:23 linux-4.14.y 01364dad1d45 78267cec .config log report