------------[ cut here ]------------ WARNING: drivers/net/wireless/virtual/mac80211_hwsim.c:2235 at mac80211_hwsim_tx+0x13d8/0x1c14 drivers/net/wireless/virtual/mac80211_hwsim.c:2235, CPU#0: syz.4.596/6983 Modules linked in: CPU: 0 UID: 0 PID: 6983 Comm: syz.4.596 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : mac80211_hwsim_tx+0x13d8/0x1c14 drivers/net/wireless/virtual/mac80211_hwsim.c:2235 lr : mac80211_hwsim_tx+0x13d8/0x1c14 drivers/net/wireless/virtual/mac80211_hwsim.c:2235 sp : ffff800094df6db0 x29: ffff800094df6e60 x28: 0000000000000000 x27: ffff0000d44533f0 x26: ffff0000f3357a38 x25: 0000000000000014 x24: dfff800000000000 x23: 0000000000000005 x22: 0000000000000000 x21: 0000000000000000 x20: 00000000000000a0 x19: ffff0000d44533c0 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000002 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000080000 x9 : 00000000000004ef x8 : ffff80009cae2000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff800082e60b2c x2 : 0000000000000014 x1 : ffff0000f663d700 x0 : 0000000000000001 Call trace: mac80211_hwsim_tx+0x13d8/0x1c14 drivers/net/wireless/virtual/mac80211_hwsim.c:2235 (P) drv_tx net/mac80211/driver-ops.h:38 [inline] ieee80211_tx_frags+0x304/0x6e4 net/mac80211/tx.c:1746 __ieee80211_tx+0x1d8/0x458 net/mac80211/tx.c:1801 ieee80211_tx+0x2ec/0x40c net/mac80211/tx.c:1984 ieee80211_xmit+0x274/0x350 net/mac80211/tx.c:2076 ieee80211_monitor_start_xmit+0x8cc/0xf9c net/mac80211/tx.c:2467 __netdev_start_xmit include/linux/netdevice.h:5368 [inline] netdev_start_xmit include/linux/netdevice.h:5377 [inline] xmit_one net/core/dev.c:3888 [inline] dev_hard_start_xmit+0x1e8/0x9ec net/core/dev.c:3904 __dev_queue_xmit+0xfc0/0x2c18 net/core/dev.c:4870 dev_queue_xmit include/linux/netdevice.h:3418 [inline] packet_xmit+0x6c/0x310 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3082 [inline] packet_sendmsg+0x2fcc/0x3f4c net/packet/af_packet.c:3114 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg+0xc8/0x138 net/socket.c:802 __sys_sendto+0x254/0x338 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2268 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:740 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:759 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 1939 hardirqs last enabled at (1938): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline] hardirqs last enabled at (1938): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:198 hardirqs last disabled at (1939): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:429 softirqs last enabled at (1934): [] __alloc_skb+0x1c0/0x5f8 net/core/skbuff.c:696 softirqs last disabled at (1936): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (1936): [] rcu_read_lock_bh include/linux/rcupdate.h:891 [inline] softirqs last disabled at (1936): [] __dev_queue_xmit+0x210/0x2c18 net/core/dev.c:4791 ---[ end trace 0000000000000000 ]---