syzbot


WARNING in sta_info_insert_rcu (4)

Status: upstream: reported on 2024/11/18 16:56
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+8b512026a7ec10dcbdd9@syzkaller.appspotmail.com
First crash: 6d14h, last: 6d14h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in sta_info_insert_rcu (4) 0 (1) 2024/11/18 16:56
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in sta_info_insert_rcu C 1648 625d 1518d 0/1 upstream: reported C repro on 2020/09/24 11:41
linux-5.15 WARNING in sta_info_insert_rcu missing-backport origin:lts-only C inconclusive 5 32d 478d 0/3 upstream: reported C repro on 2023/07/31 21:20
upstream WARNING in sta_info_insert_rcu (3) wireless C done 6 453d 494d 23/28 fixed on 2023/10/12 12:48
linux-4.14 WARNING in sta_info_insert_rcu C 13 640d 1515d 0/1 upstream: reported C repro on 2020/09/27 22:10
linux-6.1 WARNING in sta_info_insert_rcu origin:upstream C done 1 465d 465d 3/3 fixed on 2023/10/05 17:16
upstream WARNING in sta_info_insert_rcu (2) wireless 1 874d 870d 0/28 auto-obsoleted due to no activity on 2022/10/28 19:30
upstream WARNING in sta_info_insert_rcu C done done 2533 1082d 1518d 20/28 fixed on 2022/03/08 16:11

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1025 at net/mac80211/sta_info.c:738 sta_info_insert_check net/mac80211/sta_info.c:737 [inline]
WARNING: CPU: 0 PID: 1025 at net/mac80211/sta_info.c:738 sta_info_insert_rcu+0x322/0x1900 net/mac80211/sta_info.c:942
Modules linked in:
CPU: 0 UID: 0 PID: 1025 Comm: kworker/u4:4 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:737 [inline]
RIP: 0010:sta_info_insert_rcu+0x322/0x1900 net/mac80211/sta_info.c:942
Code: 85 db 4c 8b 6c 24 28 0f 84 90 00 00 00 e8 16 6e 4a f6 84 c0 0f 84 b4 00 00 00 e8 b9 80 64 f6 e9 0d 01 00 00 e8 af 80 64 f6 90 <0f> 0b 90 41 be ea ff ff ff 4c 8b 6c 24 28 4c 89 ee e8 98 d0 ff ff
RSP: 0018:ffffc9000227f9c0 EFLAGS: 00010293
RAX: ffffffff8b306961 RBX: 0000000000000001 RCX: ffff88803581a440
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff8b3068ee R09: 1ffff11009fc6ace
R10: dffffc0000000000 R11: ffffed1009fc6acf R12: 00000000ffeeffff
R13: 000000000000ffff R14: 000000000000feff R15: ffff88804fe34cc0
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca30a06fb8 CR3: 00000000363e4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_ocb_finish_sta net/mac80211/ocb.c:102 [inline]
 ieee80211_ocb_work+0x2fd/0x550 net/mac80211/ocb.c:136
 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/14 16:56 upstream 0a9b9d17f3a7 77f3eeb7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in sta_info_insert_rcu
* Struck through repros no longer work on HEAD.