syzbot


WARNING in drv_link_info_changed

Status: auto-obsoleted due to no activity on 2023/08/08 05:52
Reported-by: syzbot+eb1582764c752a7bf324@syzkaller.appspotmail.com
First crash: 404d, last: 404d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in drv_link_info_changed wireless 2 520d 517d 0/26 auto-obsoleted due to no activity on 2023/04/13 14:18

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5842 at net/mac80211/driver-ops.c:423 drv_link_info_changed+0x230/0x70c
Modules linked in:
CPU: 1 PID: 5842 Comm: kworker/u4:18 Not tainted 6.1.23-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: phy6 ieee80211_roc_work
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drv_link_info_changed+0x230/0x70c
lr : drv_link_info_changed+0x230/0x70c
sp : ffff800023787980
x29: ffff800023787980 x28: 1fffe00025251cff x27: dfff800000000000
x26: 0000000000001b00 x25: ffff00012928e7f8 x24: 0000000000000000
x23: ffff00012928cc80 x22: 0000000080000000 x21: ffff00012928e7d8
x20: 0000000000000200 x19: ffff0000c1ef8e00 x18: 1fffe000368bab76
x17: ffff80001557d000 x16: ffff8000084f40fc x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000005 x12: ffff000125651b40
x11: ff8080001195919c x10: 0000000000000000 x9 : ffff80001195919c
x8 : ffff000125651b40 x7 : ffff800011988d08 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000200 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff800017d905c0 x0 : 0000000080000000
Call trace:
 drv_link_info_changed+0x230/0x70c
 ieee80211_link_info_change_notify+0x138/0x1f8 net/mac80211/main.c:290
 ieee80211_offchannel_stop_vifs+0x200/0x484 net/mac80211/offchannel.c:121
 _ieee80211_start_next_roc+0x524/0x97c net/mac80211/offchannel.c:365
 __ieee80211_roc_work+0x1bc/0x2bc net/mac80211/offchannel.c:432
 ieee80211_roc_work+0x38/0x50 net/mac80211/offchannel.c:460
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x24c/0x2d4 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 4490322
hardirqs last  enabled at (4490321): [<ffff8000121b9b0c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (4490321): [<ffff8000121b9b0c>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (4490322): [<ffff8000120d75ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (4490294): [<ffff8000119a8a04>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
softirqs last  enabled at (4490294): [<ffff8000119a8a04>] ieee80211_ibss_work+0x2d8/0x1230 net/mac80211/ibss.c:1701
softirqs last disabled at (4490292): [<ffff8000119a8804>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (4490292): [<ffff8000119a8804>] ieee80211_ibss_work+0xd8/0x1230 net/mac80211/ibss.c:1690
---[ end trace 0000000000000000 ]---
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/10 05:52 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in drv_link_info_changed
* Struck through repros no longer work on HEAD.