WARNING in ath10k_pci_probe

Status: upstream: reported C repro on 2026/08/05 02:19
Reported-by: syzbot+98d954689e993be4659e@syzkaller.appspotmail.com
First crash: 9d18h, last: 1d06h
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in ath10k_pci_probe -1 syz, C 3 5d20h 9d23h 0/3 upstream: reported C repro on 2026/08/04 22:04
upstream WARNING in ath10k_pci_probe ath10k prio:low -1 syz, C error 9 10d 8d22h 0/29 upstream: reported C repro on 2026/08/05 22:47

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9 at drivers/net/wireless/ath/ath10k/pci.c:3596 ath10k_pci_probe+0x6d7/0x1910 drivers/net/wireless/ath/ath10k/pci.c:3596
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events work_for_cpu_fn
RIP: 0010:ath10k_pci_probe+0x6d7/0x1910 drivers/net/wireless/ath/ath10k/pci.c:3596
Code: e8 2e 0b 5c fb 45 85 ff 74 4c e8 74 07 5c fb 48 89 df 48 c7 c6 00 8b 62 8b 31 d2 44 89 f9 e8 20 dd 5d 04 eb 79 e8 59 07 5c fb <0f> 0b 41 bf f4 fd ff ff e9 71 01 00 00 e8 47 07 5c fb 4c 89 ef 48
RSP: 0018:ffffc900000e7a40 EFLAGS: 00010293
RAX: ffffffff862b6ac7 RBX: 00000000ffffffff RCX: ffff88801b658000
RDX: 0000000000000000 RSI: ffffffff8dc521f0 RDI: 00000000ffffffff
RBP: ffffc900000e7b50 R08: ffff88801b658000 R09: 0000000000000009
R10: 00000000000011ac R11: 0000000000000000 R12: ffffffff8b213e64
R13: ffffffff862b63f0 R14: 1ffff9200001cf58 R15: 1ffffffff16427cc
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d124008 CR3: 0000000074ba2000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 local_pci_probe+0xc9/0x150 drivers/pci/pci-driver.c:324
 work_for_cpu_fn+0x54/0x80 kernel/workqueue.c:5704
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/13 14:29 linux-6.6.y d27334b2888c 359b2492 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ath10k_pci_probe
2026/08/05 02:18 linux-6.6.y aa0e49877a2e d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ath10k_pci_probe
* Struck through repros no longer work on HEAD.