------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x0 WARNING: net/mac80211/driver-ops.h:1723 at drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline], CPU#1: kworker/u8:16/6381 WARNING: net/mac80211/driver-ops.h:1723 at ieee80211_set_active_links+0x5ec/0xb88 net/mac80211/link.c:651, CPU#1: kworker/u8:16/6381 Modules linked in: CPU: 1 UID: 0 PID: 6381 Comm: kworker/u8:16 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 Workqueue: events_unbound cfg80211_wiphy_work pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline] pc : ieee80211_set_active_links+0x5ec/0xb88 net/mac80211/link.c:651 lr : drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline] lr : ieee80211_set_active_links+0x5ec/0xb88 net/mac80211/link.c:651 sp : ffff800099e97950 x29: ffff800099e97960 x28: 1fffe0001b772090 x27: ffff800088b3a000 x26: dfff800000000000 x25: ffff80008a19d000 x24: ffff0000c99a5918 x23: 0000000000000000 x22: ffff0000c9840f60 x21: 0000000000000000 x20: ffff0000c99a6c70 x19: 0000000000000003 x18: 1fffe00034bbbe28 x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000002 x9 : eb8ebc88fde23400 x8 : eb8ebc88fde23400 x7 : ffff80008048c5b8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f6830 x2 : 0000000100000000 x1 : ffff0000dbb90000 x0 : 0000000000000000 Call trace: drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline] (P) ieee80211_set_active_links+0x5ec/0xb88 net/mac80211/link.c:651 (P) ieee80211_if_parse_active_links+0xe0/0x150 net/mac80211/debugfs_netdev.c:732 ieee80211_if_write_sdata_handler+0x6c/0x84 net/mac80211/debugfs_netdev.c:75 wiphy_locked_debugfs_write_work+0xe8/0x12c net/wireless/debugfs.c:248 cfg80211_wiphy_work+0x278/0x588 net/wireless/core.c:538 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 irq event stamp: 740652 hardirqs last enabled at (740651): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (740651): [] __arm64_exit_to_kernel_mode+0x64/0x78 arch/arm64/kernel/entry-common.c:60 hardirqs last disabled at (740652): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (740436): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (740436): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:891 [inline] softirqs last enabled at (740436): [] nsim_dev_trap_report_work+0x670/0x9cc drivers/net/netdevsim/dev.c:922 softirqs last disabled at (740434): [] spin_lock_bh include/linux/spinlock.h:348 [inline] softirqs last disabled at (740434): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:887 [inline] softirqs last disabled at (740434): [] nsim_dev_trap_report_work+0x5ec/0x9cc drivers/net/netdevsim/dev.c:922 ---[ end trace 0000000000000000 ]---