netdevsim netdevsim0 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12688 at net/mac80211/iface.c:532 ieee80211_do_stop+0x1b35/0x2060 net/mac80211/iface.c:532 Modules linked in: CPU: 1 PID: 12688 Comm: syz.0.2218 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:ieee80211_do_stop+0x1b35/0x2060 net/mac80211/iface.c:532 Code: f7 49 81 c4 98 06 00 00 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 ef 04 00 00 41 ff 0c 24 e9 f9 f5 ff ff e8 0b 09 d1 f7 <0f> 0b e9 f0 e8 ff ff e8 ff 08 d1 f7 48 c7 c7 40 46 c7 8b 89 de e8 RSP: 0018:ffffc9000da9e960 EFLAGS: 00010246 RAX: ffffffff89b15f95 RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000fb7d000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000da9eb48 R08: ffffc9000da9e807 R09: 1ffff92001b53d00 R10: dffffc0000000000 R11: fffff52001b53d01 R12: ffffc9000da9eab0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88807cfe2740 FS: 00007f131dab36c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e316ff8 CR3: 000000007430c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_stop+0x41f/0x490 net/mac80211/iface.c:817 __dev_close_many+0x1d1/0x2b0 net/core/dev.c:1585 __dev_close net/core/dev.c:1597 [inline] __dev_change_flags+0x2c9/0x6a0 net/core/dev.c:8693 dev_change_flags+0x78/0x1a0 net/core/dev.c:8767 do_setlink+0xbc7/0x29c0 net/core/rtnetlink.c:2845 rtnl_group_changelink net/core/rtnetlink.c:3375 [inline] __rtnl_newlink net/core/rtnetlink.c:3632 [inline] rtnl_newlink+0x10bc/0x1f90 net/core/rtnetlink.c:3669 rtnetlink_rcv_msg+0x863/0xfb0 net/core/rtnetlink.c:6166 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5ed/0x9a0 net/socket.c:2519 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x1c3/0x2b0 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f131cb9f559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f131dab3028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f131ce26090 RCX: 00007f131cb9f559 RDX: 0000000000000000 RSI: 0000200000000380 RDI: 0000000000000003 RBP: 00007f131cc36b50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f131ce26128 R14: 00007f131ce26090 R15: 00007ffd48674da8