ip6gre1: left promiscuous mode ip6gre1: left allmulticast mode gretap1: left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 19801 at net/mac80211/chan.c:833 ieee80211_recalc_chanctx_chantype+0x89d/0x10f0 net/mac80211/chan.c:833 Modules linked in: CPU: 0 UID: 0 PID: 19801 Comm: syz.3.2202 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ieee80211_recalc_chanctx_chantype+0x89d/0x10f0 net/mac80211/chan.c:833 Code: c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 5b 9d 5a f7 4d 8b 36 4d 39 fe 74 22 e8 8e db f4 f6 e9 ef f8 ff ff e8 84 db f4 f6 90 <0f> 0b 90 e9 47 07 00 00 e8 76 db f4 f6 e9 39 07 00 00 48 83 7c 24 RSP: 0018:ffffc90004aa6220 EFLAGS: 00010246 RAX: ffffffff8acb3082 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000d8b0000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc90004aa6400 R08: ffff888032b657c7 R09: 1ffff1100656caf8 R10: dffffc0000000000 R11: ffffed100656caf9 R12: dffffc0000000000 R13: 0000000000000070 R14: ffff888027a2a910 R15: ffff888027a2a910 FS: 00007fcf133ab6c0(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000285030 CR3: 000000003117a000 CR4: 00000000003526f0 Call Trace: ieee80211_assign_link_chanctx+0x5ca/0xd70 net/mac80211/chan.c:933 __ieee80211_link_release_channel+0x33b/0x4a0 net/mac80211/chan.c:1879 ieee80211_leave_mesh+0xc5/0x130 net/mac80211/cfg.c:2955 rdev_leave_mesh net/wireless/rdev-ops.h:372 [inline] cfg80211_leave_mesh+0x293/0x800 net/wireless/mesh.c:277 cfg80211_netdev_notifier_call+0x1aa/0x1440 net/wireless/core.c:1576 notifier_call_chain+0x1b6/0x3e0 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 __dev_close net/core/dev.c:1767 [inline] __dev_change_flags+0x2c7/0x6d0 net/core/dev.c:9635 netif_change_flags+0x88/0x1a0 net/core/dev.c:9700 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3151 rtnl_group_changelink net/core/rtnetlink.c:3783 [inline] __rtnl_newlink net/core/rtnetlink.c:3937 [inline] rtnl_newlink+0x14ad/0x1c80 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x830 net/socket.c:2630 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcf1258f749 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:00007fcf133ab038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcf127e6090 RCX: 00007fcf1258f749 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007fcf12613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcf127e6128 R14: 00007fcf127e6090 R15: 00007fcf1290fa28