------------[ cut here ]------------ WARNING: CPU: 0 PID: 6326 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 0 PID: 6326 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] WARNING: CPU: 0 PID: 6326 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638 Modules linked in: CPU: 0 PID: 6326 Comm: syz.0.145 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 2a 33 d6 f7 e9 dc fc ff ff e8 10 fc 7d f7 eb 24 e8 09 fc 7d f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 f8 fb 7d f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 ea fb 7d f7 48 8b 7c 24 08 4c 8b 7c RSP: 0018:ffffc9000b7e6e00 EFLAGS: 00010283 RAX: ffffffff8a09220e RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000ca69000 RSI: 0000000000006a9d RDI: 0000000000006a9e RBP: dffffc0000000000 R08: ffffffff911c65c7 R09: 1ffffffff2238cb8 R10: dffffc0000000000 R11: fffffbfff2238cb9 R12: 0000000000000001 R13: ffff88805d8025d9 R14: ffff888077f9ac70 R15: ffff888077f9ace8 FS: 00007fe11378d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000c3a000 CR3: 000000002f21a000 CR4: 00000000003506f0 Call Trace: ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927 __ieee80211_csa_finalize net/mac80211/cfg.c:3669 [inline] ieee80211_csa_finalize+0x5a6/0xf20 net/mac80211/cfg.c:3708 __ieee80211_channel_switch net/mac80211/cfg.c:3983 [inline] ieee80211_channel_switch+0xad5/0xe70 net/mac80211/cfg.c:3999 rdev_channel_switch+0xeb/0x240 net/wireless/rdev-ops.h:1111 nl80211_channel_switch+0xae8/0x1120 net/wireless/nl80211.c:10335 genl_family_rcv_msg_doit+0x211/0x310 net/netlink/genetlink.c:971