------------[ cut here ]------------ WARNING: CPU: 0 PID: 10819 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 Modules linked in: CPU: 0 PID: 10819 Comm: syz.1.1254 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 lr : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 sp : ffff800021167780 x29: ffff800021167780 x28: ffff0000f5b69c80 x27: dfff800000000000 x26: 1fffe0001eb6d56e x25: 1fffe00018958000 x24: ffff0000f5b6ab72 x23: 1fffe0001eb6d2b5 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000f5b6a258 x19: ffff0000f5b695a8 x18: 0000000000000000 x17: ffff8000181f9000 x16: ffff8000082d1108 x15: ffff800017cd9fc0 x14: ffff0000dae92658 x13: ffff0000dae926a8 x12: 0000000000080000 x11: 0000000000042ad1 x10: ffff800021f2c000 x9 : ffff800011297000 x8 : 0000000000042ad2 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082c98ac x2 : ffff0000dae91bc0 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_if_change_type+0x1d8/0xc6c net/mac80211/iface.c:1987 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf2c net/wireless/util.c:1207 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline] __cfg80211_wext_siwmode+0x180/0x23c net/wireless/wext-compat.c:1599 ioctl_standard_call+0xe0/0x278 net/wireless/wext-core.c:1026 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0x16c/0x3ec net/wireless/wext-core.c:997 wext_handle_ioctl+0x1a8/0x360 net/wireless/wext-core.c:1058 sock_ioctl+0x13c/0x840 net/socket.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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:585 irq event stamp: 2214 hardirqs last enabled at (2213): [] __cancel_work_timer+0x2b0/0x448 kernel/workqueue.c:3156 hardirqs last disabled at (2214): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (514): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (514): [] cfg80211_mgmt_registrations_update+0x440/0x838 net/wireless/mlme.c:509 softirqs last disabled at (512): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (512): [] cfg80211_mgmt_registrations_update+0x10c/0x838 net/wireless/mlme.c:482 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 10819 at net/mac80211/driver-ops.c:315 drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 Modules linked in: CPU: 1 PID: 10819 Comm: syz.1.1254 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 lr : drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 sp : ffff800021167630 x29: ffff800021167630 x28: 0000000000000000 x27: ffff0000f5b68c80 x26: ffff0000f5b6a698 x25: dfff800000000000 x24: ffff0000f5b6a7e8 x23: 0000000000000000 x22: ffff0000cbba9600 x21: ffff0000f5b6a7e8 x20: ffff800017a8b000 x19: ffff0000f5b68c80 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d25b8 x15: ffff8000150bd000 x14: 0000000000000100 x13: 1ffff00002a180b1 x12: 0000000000000001 x11: 1fffe0001ad56e50 x10: 0000000000000000 x9 : 0bf059b70261e600 x8 : 0bf059b70261e600 x7 : ffff800008251e80 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008240ddc x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 ieee80211_assign_link_chanctx+0x140/0x82c net/mac80211/chan.c:868 __ieee80211_link_release_channel+0x29c/0x55c net/mac80211/chan.c:1799 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_if_change_type+0x1d8/0xc6c net/mac80211/iface.c:1987 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf2c net/wireless/util.c:1207 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline] __cfg80211_wext_siwmode+0x180/0x23c net/wireless/wext-compat.c:1599 ioctl_standard_call+0xe0/0x278 net/wireless/wext-core.c:1026 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0x16c/0x3ec net/wireless/wext-core.c:997 wext_handle_ioctl+0x1a8/0x360 net/wireless/wext-core.c:1058 sock_ioctl+0x13c/0x840 net/socket.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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:585 irq event stamp: 2430 hardirqs last enabled at (2429): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (2429): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003 hardirqs last disabled at (2430): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2412): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2412): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (2339): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 10819 at net/mac80211/driver-ops.h:156 drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] WARNING: CPU: 1 PID: 10819 at net/mac80211/driver-ops.h:156 ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 Modules linked in: CPU: 1 PID: 10819 Comm: syz.1.1254 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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+0x21c/0x25c net/mac80211/main.c:275 lr : drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] lr : ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 sp : ffff800021167630 x29: ffff800021167630 x28: ffff8000150c0000 x27: ffff8000150c0584 x26: ffff0000cbba9620 x25: 0000000000000000 x24: dfff800000000000 x23: 0000000000000000 x22: ffff0000f5b6a790 x21: ffff0000c4ac0ea0 x20: ffff800017a8b000 x19: ffff0000f5b68c80 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d25b8 x15: 0000000040000000 x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 x11: ff0080000a893e94 x10: 0000000000000003 x9 : 0bf059b70261e600 x8 : 0bf059b70261e600 x7 : ffff800008251e80 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : ffff80018a6c8000 Call trace: drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 ieee80211_assign_link_chanctx+0x6e8/0x82c net/mac80211/chan.c:905 __ieee80211_link_release_channel+0x29c/0x55c net/mac80211/chan.c:1799 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_if_change_type+0x1d8/0xc6c net/mac80211/iface.c:1987 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf2c net/wireless/util.c:1207 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline] __cfg80211_wext_siwmode+0x180/0x23c net/wireless/wext-compat.c:1599 ioctl_standard_call+0xe0/0x278 net/wireless/wext-core.c:1026 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0x16c/0x3ec net/wireless/wext-core.c:997 wext_handle_ioctl+0x1a8/0x360 net/wireless/wext-core.c:1058 sock_ioctl+0x13c/0x840 net/socket.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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:585 irq event stamp: 2542 hardirqs last enabled at (2541): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (2541): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003 hardirqs last disabled at (2542): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2534): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2534): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (2521): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10819 at net/mac80211/iface.c:113 __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] WARNING: CPU: 1 PID: 10819 at net/mac80211/iface.c:113 ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 Modules linked in: CPU: 1 PID: 10819 Comm: syz.1.1254 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (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 : ffff800021167620 x29: ffff800021167620 x28: 0000000000000000 x27: ffff8000150c0000 x26: ffff0000cbba9620 x25: 0000000000000000 x24: dfff800000000000 x23: 000000000000096c x22: 1fffe000189581db x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000c4ac0ea0 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d1108 x15: 0000000000000002 x14: 0000000000000007 x13: 1ffff00002a180b1 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021f2c000 x9 : ffff8000111d1128 x8 : 0000000000080000 x7 : ffff800011171388 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/0x710 net/mac80211/chan.c:750 ieee80211_free_chanctx+0x250/0x334 net/mac80211/chan.c:761 __ieee80211_link_release_channel+0x3d4/0x55c net/mac80211/chan.c:1801 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_if_change_type+0x1d8/0xc6c net/mac80211/iface.c:1987 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf2c net/wireless/util.c:1207 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline] __cfg80211_wext_siwmode+0x180/0x23c net/wireless/wext-compat.c:1599 ioctl_standard_call+0xe0/0x278 net/wireless/wext-core.c:1026 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0x16c/0x3ec net/wireless/wext-core.c:997 wext_handle_ioctl+0x1a8/0x360 net/wireless/wext-core.c:1058 sock_ioctl+0x13c/0x840 net/socket.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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:585 irq event stamp: 2648 hardirqs last enabled at (2647): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (2647): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (2648): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2642): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2642): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (2545): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- netlink: 'syz.1.1254': attribute type 10 has an invalid length.