------------[ cut here ]------------ WARNING: CPU: 0 PID: 5379 at net/mac80211/chan.c:2038 ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2038 Modules linked in: CPU: 0 PID: 5379 Comm: syz.3.226 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2038 lr : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2038 sp : ffff8000246f7140 x29: ffff8000246f7140 x28: 1fffe00019594564 x27: 1fffe000195944e8 x26: dfff800000000000 x25: dfff800000000000 x24: ffff0000caca2b22 x23: 1fffe000195942b1 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000caca2208 x19: ffff0000caca1588 x18: 0000000000000000 x17: 00000000ffff0000 x16: ffff8000082dce18 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff000048deddc x12: 0000000000000000 x11: ff008000114b29dc x10: 0000000000000000 x9 : ffff8000114b29dc x8 : ffff0000d0a69c00 x7 : ffff8000114b28dc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d5590 x2 : ffff0000d0a69c00 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2038 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:863 [inline] ieee80211_if_change_type+0x1d0/0xc84 net/mac80211/iface.c:2027 ieee80211_change_iface+0x64/0x3ec net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x728/0xf1c net/wireless/util.c:1227 nl80211_set_interface+0x4e0/0x718 net/wireless/nl80211.c:4242 genl_family_rcv_msg_doit+0x210/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x424/0x600 net/netlink/genetlink.c:850 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589 irq event stamp: 1998 hardirqs last enabled at (1997): [] __cancel_work_timer+0x2bc/0x450 kernel/workqueue.c:3160 hardirqs last disabled at (1998): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (600): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (600): [] cfg80211_mgmt_registrations_update+0x444/0x840 net/wireless/mlme.c:552 softirqs last disabled at (598): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (598): [] cfg80211_mgmt_registrations_update+0x110/0x840 net/wireless/mlme.c:525 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 5379 at net/mac80211/driver-ops.c:315 drv_unassign_vif_chanctx+0x35c/0x63c net/mac80211/driver-ops.c:315 Modules linked in: CPU: 1 PID: 5379 Comm: syz.3.226 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drv_unassign_vif_chanctx+0x35c/0x63c net/mac80211/driver-ops.c:315 lr : drv_unassign_vif_chanctx+0x35c/0x63c net/mac80211/driver-ops.c:315 sp : ffff8000246f6fe0 x29: ffff8000246f6fe0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff0000caca2648 x25: dfff800000000000 x24: ffff0000caca2798 x23: 0000000000000000 x22: ffff0000d1843e00 x21: ffff0000caca2798 x20: ffff800018db4000 x19: ffff0000caca0cc0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082de324 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff000048ded4c x12: 0000000000000000 x11: ff0080000819676c x10: 0000000000000000 x9 : 2fa79d0af62d4e00 x8 : 2fa79d0af62d4e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000246f6a78 x4 : ffff8000164c4fa0 x3 : ffff80000831ff30 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_unassign_vif_chanctx+0x35c/0x63c net/mac80211/driver-ops.c:315 ieee80211_assign_link_chanctx+0x140/0x82c net/mac80211/chan.c:868 __ieee80211_link_release_channel+0x298/0x5c4 net/mac80211/chan.c:1818 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2039 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:863 [inline] ieee80211_if_change_type+0x1d0/0xc84 net/mac80211/iface.c:2027 ieee80211_change_iface+0x64/0x3ec net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x728/0xf1c net/wireless/util.c:1227 nl80211_set_interface+0x4e0/0x718 net/wireless/nl80211.c:4242 genl_family_rcv_msg_doit+0x210/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x424/0x600 net/netlink/genetlink.c:850 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589 irq event stamp: 2140 hardirqs last enabled at (2139): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (2140): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2110): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2110): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (2001): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 5379 at net/mac80211/driver-ops.h:156 drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] WARNING: CPU: 0 PID: 5379 at net/mac80211/driver-ops.h:156 ieee80211_vif_cfg_change_notify+0x220/0x260 net/mac80211/main.c:275 Modules linked in: CPU: 0 PID: 5379 Comm: syz.3.226 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] pc : ieee80211_vif_cfg_change_notify+0x220/0x260 net/mac80211/main.c:275 lr : drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] lr : ieee80211_vif_cfg_change_notify+0x220/0x260 net/mac80211/main.c:275 sp : ffff8000246f6fe0 x29: ffff8000246f6fe0 x28: dfff800000000000 x27: ffff8000163e0394 x26: ffff0000d1843e20 x25: 0000000000000000 x24: dfff800000000000 x23: 0000000000000000 x22: ffff0000caca2740 x21: ffff0000dc138e80 x20: ffff800018db4000 x19: ffff0000caca0cc0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011ba16d0 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe00033c217a3 x12: 0000000000000000 x11: ff0080000819676c x10: 0000000000000000 x9 : 2fa79d0af62d4e00 x8 : 2fa79d0af62d4e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000246f6a78 x4 : ffff8000164c4fa0 x3 : ffff800008545104 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] ieee80211_vif_cfg_change_notify+0x220/0x260 net/mac80211/main.c:275 ieee80211_assign_link_chanctx+0x6f0/0x82c net/mac80211/chan.c:905 __ieee80211_link_release_channel+0x298/0x5c4 net/mac80211/chan.c:1818 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2039 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:863 [inline] ieee80211_if_change_type+0x1d0/0xc84 net/mac80211/iface.c:2027 ieee80211_change_iface+0x64/0x3ec net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x728/0xf1c net/wireless/util.c:1227 nl80211_set_interface+0x4e0/0x718 net/wireless/nl80211.c:4242 genl_family_rcv_msg_doit+0x210/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x424/0x600 net/netlink/genetlink.c:850 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589 irq event stamp: 2316 hardirqs last enabled at (2315): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (2316): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2290): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2290): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (2143): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5379 at net/mac80211/iface.c:113 __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] WARNING: CPU: 1 PID: 5379 at net/mac80211/iface.c:113 ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 Modules linked in: CPU: 1 PID: 5379 Comm: syz.3.226 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] pc : ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 lr : __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] lr : ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 sp : ffff8000246f6fe0 x29: ffff8000246f6fe0 x28: 0000000000000000 x27: 0000000000000000 x26: ffff0000d1843e20 x25: 0000000000000000 x24: dfff800000000000 x23: 1fffe0001b82758c x22: 1fffe0001b8271d7 x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000dc138e80 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082dce18 x15: 0000000000000000 x14: 1ffff00002c7c073 x13: dfff800000000000 x12: 00000000dd12d28b x11: ff008000113e8ffc x10: 0000000000000000 x9 : ffff8000113e8ffc x8 : ffff0000d0a69c00 x7 : ffff800011388894 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 ieee80211_del_chanctx+0x35c/0x70c net/mac80211/chan.c:750 ieee80211_free_chanctx+0x258/0x33c net/mac80211/chan.c:761 __ieee80211_link_release_channel+0x454/0x5c4 net/mac80211/chan.c:1822 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2039 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:863 [inline] ieee80211_if_change_type+0x1d0/0xc84 net/mac80211/iface.c:2027 ieee80211_change_iface+0x64/0x3ec net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x728/0xf1c net/wireless/util.c:1227 nl80211_set_interface+0x4e0/0x718 net/wireless/nl80211.c:4242 genl_family_rcv_msg_doit+0x210/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x424/0x600 net/netlink/genetlink.c:850 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589 irq event stamp: 2656 hardirqs last enabled at (2655): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (2655): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (2656): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2650): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2650): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (2319): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---