------------[ cut here ]------------ WARNING: CPU: 0 PID: 11858 at net/mac80211/chan.c:844 ieee80211_recalc_chanctx_chantype+0x89d/0x10f0 net/mac80211/chan.c:844 Modules linked in: CPU: 0 UID: 0 PID: 11858 Comm: syz.3.1560 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:ieee80211_recalc_chanctx_chantype+0x89d/0x10f0 net/mac80211/chan.c:844 Code: c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 1b b8 24 f7 4d 8b 36 4d 39 fe 74 22 e8 2e 44 c1 f6 e9 ef f8 ff ff e8 24 44 c1 f6 90 <0f> 0b 90 e9 47 07 00 00 e8 16 44 c1 f6 e9 39 07 00 00 48 83 7c 24 RSP: 0018:ffffc900033c7220 EFLAGS: 00010287 RAX: ffffffff8afe7272 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000c434000 RSI: 00000000000033b7 RDI: 00000000000033b8 RBP: ffffc900033c73e0 R08: ffff8880285e5737 R09: 1ffff110050bcae6 R10: dffffc0000000000 R11: ffffed10050bcae7 R12: dffffc0000000000 R13: 0000000000000070 R14: ffff8880568528c0 R15: ffff8880568528c0 FS: 00007fbfc3f336c0(0000) GS:ffff888125c14000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000048b000 CR3: 00000000772a8000 CR4: 00000000003526f0 Call Trace: ieee80211_assign_link_chanctx+0x5ca/0xd70 net/mac80211/chan.c:944 __ieee80211_link_release_channel+0x33b/0x4a0 net/mac80211/chan.c:1890 ieee80211_leave_mesh+0xc5/0x130 net/mac80211/cfg.c:2842 rdev_leave_mesh net/wireless/rdev-ops.h:372 [inline] cfg80211_leave_mesh+0x293/0x800 net/wireless/mesh.c:277 cfg80211_netdev_notifier_call+0x1b3/0x1450 net/wireless/core.c:1567 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_close_many+0x106/0x6f0 net/core/dev.c:1726 netif_close_many+0x225/0x410 net/core/dev.c:1780 netif_close+0x158/0x210 net/core/dev.c:1797 dev_close+0x10a/0x220 net/core/dev_api.c:220 cfg80211_shutdown_all_interfaces+0xd4/0x220 net/wireless/core.c:277 cfg80211_rfkill_set_block+0x2d/0x50 net/wireless/core.c:307 rfkill_set_block+0x1d2/0x440 net/rfkill/core.c:346 rfkill_fop_write+0x44b/0x570 net/rfkill/core.c:1301 vfs_write+0x27b/0xb30 fs/read_write.c:684 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbfc318ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbfc3f33038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbfc33c5fa0 RCX: 00007fbfc318ebe9 RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000009 RBP: 00007fbfc3211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbfc33c6038 R14: 00007fbfc33c5fa0 R15: 00007ffc89f15fe8