tipc: Left network mode ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: net/mac80211/driver-ops.c:366 at 0x0, CPU#1: kworker/u8:13/3464 Modules linked in: CPU: 1 UID: 0 PID: 3464 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: netns cleanup_net RIP: 0010:drv_unassign_vif_chanctx+0x4d4/0x7b0 net/mac80211/driver-ops.c:366 Code: 00 48 8d b0 20 01 00 00 49 8d 8d c8 0a 00 00 48 85 c0 48 0f 44 f1 42 0f b6 44 3d 00 84 c0 0f 85 95 01 00 00 41 8b 16 48 89 df <67> 48 0f b9 3a e9 15 fd ff ff e8 6d e6 90 f7 90 0f 0b 90 e9 4e fe RSP: 0018:ffffc9000da9f200 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff8ee8b8a0 RCX: ffff8880272959c8 RDX: 0000000000000000 RSI: ffff888027294120 RDI: ffffffff8ee8b8a0 RBP: 1ffff11004e52b37 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1db2a2f R12: ffff888027297090 R13: ffff888027294f00 R14: ffff8880272959b8 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888126e81000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005602895df950 CR3: 000000004e77a000 CR4: 00000000003526f0 Call Trace: ieee80211_assign_link_chanctx+0x1ec/0xd70 net/mac80211/chan.c:905 __ieee80211_link_release_channel+0x33b/0x4a0 net/mac80211/chan.c:1879 unregister_netdevice_many_notify+0x1cbb/0x2300 net/core/dev.c:12305 unregister_netdevice_many net/core/dev.c:12347 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12161 unregister_netdevice include/linux/netdevice.h:3389 [inline] _cfg80211_unregister_wdev+0x155/0x570 net/wireless/core.c:1284 ieee80211_remove_interfaces+0x48a/0x6c0 net/mac80211/iface.c:2394 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681 mac80211_hwsim_del_radio+0x275/0x460 drivers/net/wireless/virtual/mac80211_hwsim.c:5915 hwsim_exit_net+0xf18/0xfd0 drivers/net/wireless/virtual/mac80211_hwsim.c:6806 ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x49a/0x990 net/core/net_namespace.c:252 cleanup_net+0x4de/0x7b0 net/core/net_namespace.c:695 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 8d b0 20 01 00 00 lea 0x120(%rax),%rsi 7: 49 8d 8d c8 0a 00 00 lea 0xac8(%r13),%rcx e: 48 85 c0 test %rax,%rax 11: 48 0f 44 f1 cmove %rcx,%rsi 15: 42 0f b6 44 3d 00 movzbl 0x0(%rbp,%r15,1),%eax 1b: 84 c0 test %al,%al 1d: 0f 85 95 01 00 00 jne 0x1b8 23: 41 8b 16 mov (%r14),%edx 26: 48 89 df mov %rbx,%rdi * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 15 fd ff ff jmp 0xfffffd48 33: e8 6d e6 90 f7 call 0xf790e6a5 38: 90 nop 39: 0f 0b ud2 3b: 90 nop 3c: e9 .byte 0xe9 3d: 4e rex.WRX 3e: fe .byte 0xfe