------------[ cut here ]------------
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline]
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638
Modules linked in:
CPU: 0 PID: 13163 Comm: kworker/u4:21 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: phy37 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:92 [inline]
RIP: 0010:ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
RIP: 0010:ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638
Code: 48 89 df e8 7a ea e9 f7 e9 dc fc ff ff e8 70 9f 92 f7 eb 24 e8 69 9f 92 f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 58 9f 92 f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 4a 9f 92 f7 48 8b 7c 24 08 4c 8b 7c
RSP: 0018:ffffc9000bb0f9c0 EFLAGS: 00010293
RAX: ffffffff89f2ecee RBX: 0000000000000001 RCX: ffff888066c48000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff8880691cd5af R09: 1ffff1100d239ab5
R10: dffffc0000000000 R11: ffffed100d239ab6 R12: 0000000000000001
R13: ffff8880691ce5d9 R14: ffff88804beb2c70 R15: ffff88804beb2ce8
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f07282c87d0 CR3: 0000000074c9c000 CR4: 00000000003506f0
Call Trace:
ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927
__ieee80211_csa_finalize net/mac80211/cfg.c:3679 [inline]
ieee80211_csa_finalize+0x59a/0xf00 net/mac80211/cfg.c:3718
ieee80211_csa_finalize_work+0xf6/0x140 net/mac80211/cfg.c:3743
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
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
irq event stamp: 479359
hardirqs last enabled at (479361): [] vprintk_store+0x9f0/0xc70 kernel/printk/printk.c:2297
hardirqs last disabled at (479362): [] vprintk_store+0x151/0xc70 kernel/printk/printk.c:2206
softirqs last enabled at (479304): [] __do_softirq kernel/softirq.c:612 [inline]
softirqs last enabled at (479304): [] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last enabled at (479304): [] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
softirqs last disabled at (478661): [] __do_softirq kernel/softirq.c:612 [inline]
softirqs last disabled at (478661): [] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last disabled at (478661): [] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:1423 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:92 [inline]
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:1423 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
WARNING: CPU: 0 PID: 13163 at net/mac80211/chan.c:1423 ieee80211_vif_use_reserved_switch+0x10ea/0x28f0 net/mac80211/chan.c:1638
Modules linked in:
CPU: 0 PID: 13163 Comm: kworker/u4:21 Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: phy37 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1423 [inline]
RIP: 0010:ieee80211_vif_use_reserved_switch+0x10ea/0x28f0 net/mac80211/chan.c:1638
Code: df e8 7a ea e9 f7 e9 dc fc ff ff e8 70 9f 92 f7 eb 24 e8 69 9f 92 f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 58 9f 92 f7 0f 0b <0f> 0b e9 cf f5 ff ff e8 4a 9f 92 f7 48 8b 7c 24 08 4c 8b 7c 24 30
RSP: 0018:ffffc9000bb0f9c0 EFLAGS: 00010293
RAX: ffffffff89f2ecee RBX: 0000000000000001 RCX: ffff888066c48000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff8880691cd5af R09: 1ffff1100d239ab5
R10: dffffc0000000000 R11: ffffed100d239ab6 R12: 0000000000000001
R13: ffff8880691ce5d9 R14: ffff88804beb2c70 R15: ffff88804beb2ce8
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31234f3000 CR3: 0000000074c9c000 CR4: 00000000003506f0
Call Trace:
ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927
__ieee80211_csa_finalize net/mac80211/cfg.c:3679 [inline]
ieee80211_csa_finalize+0x59a/0xf00 net/mac80211/cfg.c:3718
ieee80211_csa_finalize_work+0xf6/0x140 net/mac80211/cfg.c:3743
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
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
irq event stamp: 479555
hardirqs last enabled at (479557): [] vprintk_store+0x9f0/0xc70 kernel/printk/printk.c:2297
hardirqs last disabled at (479558): [] vprintk_store+0x151/0xc70 kernel/printk/printk.c:2206
softirqs last enabled at (479474): [] __do_softirq kernel/softirq.c:612 [inline]
softirqs last enabled at (479474): [] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last enabled at (479474): [] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
softirqs last disabled at (479375): [] __do_softirq kernel/softirq.c:612 [inline]
softirqs last disabled at (479375): [] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last disabled at (479375): [] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
---[ end trace 0000000000000000 ]---
wlan1: failed to finalize CSA, disconnecting