------------[ cut here ]------------ WARNING: net/mac80211/tx.c:6509 at ieee80211_tx_skb_tid+0x3a4/0x44c net/mac80211/tx.c:6509, CPU#0: syz.8.1373/10520 Modules linked in: CPU: 0 UID: 0 PID: 10520 Comm: syz.8.1373 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ieee80211_tx_skb_tid+0x3a4/0x44c net/mac80211/tx.c:6509 lr : ieee80211_tx_skb_tid+0x3a4/0x44c net/mac80211/tx.c:6509 sp : ffff800094226990 x29: ffff800094226990 x28: 0000000000000006 x27: ffff0000f6cfca2c x26: 0000000000000000 x25: dfff800000000000 x24: 0000000000000001 x23: 0000000000000000 x22: ffff0000f6c4cec0 x21: 0000000000000007 x20: 00000000ffffffff x19: ffff0000d7c5aa00 x18: 00000000ffffffff x17: 0000000000000003 x16: ffff800088b97000 x15: ffff800084c59180 x14: 000000000092c54a x13: 0000000000000009 x12: 0000000000000009 x11: 00000000460f5f9a x10: 0000000000080000 x9 : 000000000001665e x8 : ffff8000a1bf2000 x7 : ffff8000863021d0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800086302388 x2 : 0000000000000001 x1 : ffff0000ced09d80 x0 : 0000000000000001 Call trace: ieee80211_tx_skb_tid+0x3a4/0x44c net/mac80211/tx.c:6509 (P) ieee80211_tx_skb net/mac80211/ieee80211_i.h:2497 [inline] mesh_plink_frame_tx+0x5ec/0xa70 net/mac80211/mesh_plink.c:352 mesh_plink_deactivate+0x128/0x284 net/mac80211/mesh_plink.c:408 mesh_sta_cleanup+0x44/0x80 net/mac80211/mesh.c:173 __cleanup_single_sta net/mac80211/sta_info.c:167 [inline] cleanup_single_sta+0x354/0x4d4 net/mac80211/sta_info.c:192 __sta_info_destroy_part2+0x304/0x3d8 net/mac80211/sta_info.c:1615 __sta_info_flush+0x4c0/0x5f0 net/mac80211/sta_info.c:1744 sta_info_flush net/mac80211/sta_info.h:984 [inline] ieee80211_do_stop+0x350/0x1bf0 net/mac80211/iface.c:535 ieee80211_stop+0x1ac/0x1fc net/mac80211/iface.c:868 __dev_close_many+0x2f4/0x648 net/core/dev.c:1798 netif_close_many+0x1d8/0x51c net/core/dev.c:1824 netif_close+0x150/0x208 net/core/dev.c:1842 dev_close+0xf8/0x1dc net/core/dev_api.c:221 nl80211_del_interface+0xcc/0x130 net/wireless/nl80211.c:5268 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:815 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713 ___sys_sendmsg+0x198/0x224 net/socket.c:2767 __sys_sendmsg+0x158/0x204 net/socket.c:2799 __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590 irq event stamp: 6121 hardirqs last enabled at (6120): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (6120): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (6121): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (6110): [] spin_unlock_bh include/linux/spinlock.h:407 [inline] softirqs last enabled at (6110): [] ieee80211_txq_purge+0x264/0x340 net/mac80211/tx.c:1575 softirqs last disabled at (6112): [] spin_lock_bh include/linux/spinlock.h:353 [inline] softirqs last disabled at (6112): [] mesh_plink_deactivate+0x70/0x284 net/mac80211/mesh_plink.c:403 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: net/mac80211/iface.c:538 at ieee80211_do_stop+0x17bc/0x1bf0 net/mac80211/iface.c:536, CPU#0: syz.8.1373/10520 Modules linked in: CPU: 0 UID: 0 PID: 10520 Comm: syz.8.1373 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ieee80211_do_stop+0x17bc/0x1bf0 net/mac80211/iface.c:536 lr : ieee80211_do_stop+0x17bc/0x1bf0 net/mac80211/iface.c:536 sp : ffff800094226d40 x29: ffff800094226f30 x28: ffff800094226e00 x27: ffff0000eff80f60 x26: dfff800000000000 x25: 1fffe0001ed89d8e x24: ffff0000f6c4cec0 x23: ffff800094226e20 x22: ffff0000f6c4ec70 x21: 0000000000000001 x20: dfff800000000000 x19: ffff0000f6c4d930 x18: 1fffe00035bac428 x17: 0000000000000003 x16: ffff800088b97000 x15: ffff800084c59180 x14: 000000000092c81b x13: 0000000000000009 x12: 0000000000000009 x11: 0000000055e389e4 x10: 0000000000080000 x9 : 00000000000417f8 x8 : ffff8000a1bf2000 x7 : ffff8000862191c4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008627324c x2 : 0000000000000001 x1 : ffff0000ced09d80 x0 : 0000000000000001 Call trace: ieee80211_do_stop+0x17bc/0x1bf0 net/mac80211/iface.c:536 (P) ieee80211_stop+0x1ac/0x1fc net/mac80211/iface.c:868 __dev_close_many+0x2f4/0x648 net/core/dev.c:1798 netif_close_many+0x1d8/0x51c net/core/dev.c:1824 netif_close+0x150/0x208 net/core/dev.c:1842 dev_close+0xf8/0x1dc net/core/dev_api.c:221 nl80211_del_interface+0xcc/0x130 net/wireless/nl80211.c:5268 genl_family_rcv_msg_doit+0x1e4/0x2d4 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x43c/0x620 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:815 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713 ___sys_sendmsg+0x198/0x224 net/socket.c:2767 __sys_sendmsg+0x158/0x204 net/socket.c:2799 __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590 irq event stamp: 6460 hardirqs last enabled at (6459): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (6460): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (6418): [] spin_unlock_bh include/linux/spinlock.h:407 [inline] softirqs last enabled at (6418): [] mesh_path_flush_by_nexthop+0x108/0x124 net/mac80211/mesh_pathtbl.c:845 softirqs last disabled at (6416): [] spin_lock_bh include/linux/spinlock.h:353 [inline] softirqs last disabled at (6416): [] mesh_path_flush_by_nexthop+0x54/0x124 net/mac80211/mesh_pathtbl.c:840 ---[ end trace 0000000000000000 ]---