syzbot


invalid opcode in rxrpc_destroy_all_locals (2)

Status: auto-closed as invalid on 2021/04/04 19:55
Reported-by: syzbot+899e4e1bc98afdfd7299@syzkaller.appspotmail.com
First crash: 578d, last: 578d
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 12 742d 836d 0/1 auto-closed as invalid on 2020/10/23 13:26

Sample crash report:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 21296 Comm: kworker/u4:8 Not tainted 4.14.210-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
task: ffff88809c9820c0 task.stack: ffff888076300000
RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:408
RSP: 0018:ffff888076307c28 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: ffff888072eaafc0 RCX: fffffbfff17d69a8
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000286
RBP: ffff888072eaafe0 R08: ffff88809c9820c0 R09: dffffc0000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888072eaafe0
R13: ffff888072eaaff0 R14: dffffc0000000000 R15: fffffbfff13c2733
FS:  0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005651b95a3faf CR3: 000000009af91000 CR4: 00000000001426e0
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+0xa5/0x150 net/core/net_namespace.c:142
 cleanup_net+0x3b3/0x840 net/core/net_namespace.c:484
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 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 b4 cc bc fa 4c 8d 63 20 4c 39 e5 0f 85 52 00 00 00 e8 a2 cc bc fa 4c 89 ef e8 aa 51 85 00 <0f> 0b 48 89 ef e8 f0 9c e6 fa eb c0 e8 89 cc bc fa 48 c7 c7 e0 
RIP: rxrpc_destroy_all_locals+0xe6/0xf2 net/rxrpc/local_object.c:408 RSP: ffff888076307c28
---[ end trace ff3334adc63681a7 ]---

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/12/05 19:54 linux-4.14.y c196b3a9c83a 50503117 .config log report info