syzbot


WARNING: zero-size vmalloc in corrupted

Status: closed as dup on 2021/06/24 06:17
Reported-by: syzbot+c2f6f09fe907a838effb@syzkaller.appspotmail.com
First crash: 531d, last: 531d

Cause bisection: introduced by (bisect log) :
commit f9006acc8dfe59e25aa75729728ac57a8d84fc32
Author: Florian Westphal <fw@strlen.de>
Date: Wed Apr 21 07:51:08 2021 +0000

  netfilter: arp_tables: pass table pointer via nf_hook_ops

Crash: WARNING in __nf_unregister_net_hook (log)
Repro: C syz .config
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
WARNING in __vmalloc_node_range C 7 576d 577d
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/23 16:19 17m paskripkin@gmail.com patch upstream report log

Sample crash report:
usb 1-1: media controller created
dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
cxusb: set interface failed
dvb-usb: bulk message failed: -22 (1/0)
DVB: Unable to find symbol mt352_attach()
dvb-usb: no frontend was attached by 'DViCO FusionHDTV DVB-T USB (LGZ201)'
dvbdev: DVB: registering new adapter (DViCO FusionHDTV DVB-T USB (LGZ201))
usb 1-1: media controller created
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2950 at mm/vmalloc.c:2873 __vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873
Modules linked in:
CPU: 1 PID: 2950 Comm: kworker/1:2 Not tainted 5.13.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873
Code: c7 04 24 00 00 00 00 eb 93 e8 b3 44 c5 ff 44 89 fa 44 89 f6 4c 89 ef e8 05 f7 09 00 48 89 04 24 e9 be fb ff ff e8 97 44 c5 ff <0f> 0b 48

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/06/22 04:47 upstream 13311e74253f aba2b2fb .config log report syz C WARNING: zero-size vmalloc in corrupted
* Struck through repros no longer work on HEAD.