------------[ cut here ]------------ WARNING: CPU: 1 PID: 6342 at net/mac80211/ibss.c:500 ieee80211_ibss_csa_beacon+0x5b4/0x680 net/mac80211/ibss.c:500 Modules linked in: CPU: 1 PID: 6342 Comm: kworker/u4:19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: phy7 ieee80211_csa_finalize_work RIP: 0010:ieee80211_ibss_csa_beacon+0x5b4/0x680 net/mac80211/ibss.c:500 Code: f7 c6 05 8b 63 63 04 01 48 c7 c7 50 ae a6 8b be fd 01 00 00 48 c7 c2 e0 ae a6 8b e8 c6 71 bb f7 e9 69 fe ff ff e8 1c f6 d8 f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 0b f6 d8 f7 0f 0b e9 b4 fa RSP: 0018:ffffc90004e1fb70 EFLAGS: 00010293 RAX: ffffffff89a93804 RBX: ffff888053c60740 RCX: ffff888073235a00 RDX: 0000000000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0 RBP: 1ffff1100f92bab5 R08: ffffffff90b10307 R09: 1ffffffff2162060 R10: dffffc0000000000 R11: fffffbfff2162061 R12: dffffc0000000000 R13: ffff88807c95dac8 R14: ffff88807c95cc80 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f931d3eb700 CR3: 0000000064cb0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3546 [inline] __ieee80211_csa_finalize net/mac80211/cfg.c:3602 [inline] ieee80211_csa_finalize+0x4ef/0xc60 net/mac80211/cfg.c:3625 ieee80211_csa_finalize_work+0xf2/0x130 net/mac80211/cfg.c:3650 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295