mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10912 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 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 : ffff800021327100 x29: ffff800021327100 x28: ffff0000de0a5c80 x27: dfff800000000000 x26: 1fffe0001bc14d68 x25: 1fffe0001ee61000 x24: ffff0000de0a6b42 x23: 1fffe0001bc14ab5 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de0a6228 x19: ffff0000de0a55a8 x18: 0000000000000000 x17: ffff800018349000 x16: ffff8000082d7ca0 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff00004264dd0 x12: 0000000000080000 x11: 00000000000348b2 x10: ffff8000276ba000 x9 : ffff800011352afc x8 : 00000000000348b3 x7 : ffff8000113529fc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d0490 x2 : ffff0001023f3780 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:855 [inline] ieee80211_if_change_type+0x1d8/0xc68 net/mac80211/iface.c:1995 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 3622 hardirqs last enabled at (3621): [] __cancel_work_timer+0x2c4/0x458 kernel/workqueue.c:3156 hardirqs last disabled at (3622): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2236): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (2236): [] cfg80211_mgmt_registrations_update+0x444/0x840 net/wireless/mlme.c:509 softirqs last disabled at (2234): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (2234): [] cfg80211_mgmt_registrations_update+0x110/0x840 net/wireless/mlme.c:482 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 10912 at net/mac80211/driver-ops.c:315 drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 lr : drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 sp : ffff800021326fb0 x29: ffff800021326fb0 x28: 0000000000000000 x27: ffff0000de0a4c80 x26: ffff0000de0a6668 x25: dfff800000000000 x24: ffff0000de0a67b8 x23: 0000000000000000 x22: ffff0000dfb01200 x21: ffff0000de0a67b8 x20: ffff800017bda000 x19: ffff0000de0a4c80 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d91a4 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000080000 x11: 000000000005f557 x10: ffff8000276ba000 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021326a38 x4 : ffff8000152f4cc0 x3 : ffff80000853854c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_unassign_vif_chanctx+0x358/0x638 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:855 [inline] ieee80211_if_change_type+0x1d8/0xc68 net/mac80211/iface.c:1995 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 3826 hardirqs last enabled at (3825): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (3826): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3800): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3800): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3625): [] __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: 10912 at net/mac80211/driver-ops.h:156 drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] WARNING: CPU: 1 PID: 10912 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: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 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+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 : ffff800021326fb0 x29: ffff800021326fb0 x28: ffff800015210000 x27: ffff800015210384 x26: ffff0000dfb01220 x25: 0000000000000000 x24: dfff800000000000 x23: 0000000000000000 x22: ffff0000de0a6760 x21: ffff0000f7308ea0 x20: ffff800017bda000 x19: ffff0000de0a4c80 x18: ffff800011b8bf60 x17: 1fffe00033eac97e x16: ffff8000082d91a4 x15: ffff80001520d000 x14: 0000000000000001 x13: 1fffe000189543d0 x12: 0000000000000000 x11: 0000000000000000 x10: ffff6000189543d1 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : ffff80000825796c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008246798 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 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:855 [inline] ieee80211_if_change_type+0x1d8/0xc68 net/mac80211/iface.c:1995 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 3926 hardirqs last enabled at (3925): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (3925): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004 hardirqs last disabled at (3926): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3896): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3896): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3829): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10912 at net/mac80211/iface.c:113 __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] WARNING: CPU: 1 PID: 10912 at net/mac80211/iface.c:113 ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 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 : ffff800021326fa0 x29: ffff800021326fa0 x28: 0000000000000000 x27: ffff800015210000 x26: ffff0000dfb01220 x25: 0000000000000000 x24: dfff800000000000 x23: 000000000000096c x22: 1fffe0001ee611db x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000f7308ea0 x18: ffff800011b8bf60 x17: 1fffe00033eac97e x16: ffff8000082d7ca0 x15: 0000000000000002 x14: 0000000000000007 x13: 1ffff00002a42071 x12: 0000000000080000 x11: 000000000007ffff x10: ffff8000276ba000 x9 : ffff80001128b4dc x8 : 0000000000080000 x7 : ffff80001122b0f4 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+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:855 [inline] ieee80211_if_change_type+0x1d8/0xc68 net/mac80211/iface.c:1995 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4222 hardirqs last enabled at (4221): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (4221): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (4222): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4216): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4216): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3929): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 sp : ffff800021326fd0 x29: ffff800021326fd0 x28: dfff800000000000 x27: ffff0000ccc22fe0 x26: ffff0000de0a59f8 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011bab020 x22: ffff80001207c320 x21: 0000000000000000 x20: ffff800011bab020 x19: ffff0000de0a59f8 x18: ffff800011b8bf60 x17: 1fffe00033eac97e x16: ffff8000082d91a4 x15: ffff80001520d000 x14: 0000000000000001 x13: 1fffe000189543d0 x12: 0000000000000000 x11: 0000000000000000 x10: ffff6000189543d1 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : ffff80000825796c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008246798 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4408 hardirqs last enabled at (4407): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (4407): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004 hardirqs last disabled at (4408): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4348): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4348): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (4225): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Call trace: dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 assign_lock_key+0x230/0x264 kernel/locking/lockdep.c:974 register_lock_class+0x1ac/0x694 kernel/locking/lockdep.c:1287 __lock_acquire+0x164/0x6800 kernel/locking/lockdep.c:4928 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662 __timer_delete_sync+0xa0/0x21c kernel/time/timer.c:1556 timer_delete_sync kernel/time/timer.c:1629 [inline] del_timer_sync include/linux/timer.h:200 [inline] timer_fixup_init+0x40/0x70 kernel/time/timer.c:694 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 sp : ffff800021326f40 x29: ffff800021326f40 x28: dfff800000000000 x27: ffff0000ccc22fe0 x26: ffff0000de0a59f8 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011bab020 x22: ffff80001207c320 x21: 0000000000000000 x20: ffff800011bab020 x19: ffff0000de0a59f8 x18: ffff800011b8bf60 x17: 6e6968207473696c x16: ffff80000804309c x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000080000 x11: 000000000007ffff x10: ffff8000276ba000 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000213269d8 x4 : ffff8000152f4cc0 x3 : ffff80000853854c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4500 hardirqs last enabled at (4499): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (4499): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (4500): [] __timer_delete_sync+0x78/0x21c kernel/time/timer.c:1555 softirqs last enabled at (4486): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4486): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (4411): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 sp : ffff800021326eb0 x29: ffff800021326eb0 x28: dfff800000000000 x27: ffff0000ccc22fe0 x26: ffff0000de0a59f8 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011bab020 x22: ffff80001207c320 x21: 0000000000000000 x20: ffff800011bab020 x19: ffff0000de0a59f8 x18: ffff800011b8bf60 x17: 6e6968207473696c x16: ffff80000804309c x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000080000 x11: 000000000007ffff x10: ffff8000276ba000 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021326938 x4 : ffff8000152f4cc0 x3 : ffff80000853854c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4500 hardirqs last enabled at (4499): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (4499): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (4500): [] __timer_delete_sync+0x78/0x21c kernel/time/timer.c:1555 softirqs last enabled at (4486): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4486): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (4411): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 sp : ffff800021326e20 x29: ffff800021326e20 x28: dfff800000000000 x27: ffff0000ccc22fe0 x26: ffff0000de0a59f8 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011bab020 x22: ffff80001207c320 x21: 0000000000000000 x20: ffff800011bab020 x19: ffff0000de0a59f8 x18: ffff800011b8bf60 x17: 1fffe00033eac97e x16: ffff80000804309c x15: 0000000040000000 x14: 0000000000000001 x13: 1fffe00033eaf030 x12: 0000000000ff0100 x11: ff00800008048348 x10: 0000000040000002 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : 0000000000000004 x6 : ffff80000825796c x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff8000213269c0 x1 : 0000000000000000 x0 : ffff800008257a00 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4500 hardirqs last enabled at (4499): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (4499): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (4500): [] __timer_delete_sync+0x78/0x21c kernel/time/timer.c:1555 softirqs last enabled at (4486): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4486): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (4411): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 10912 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 1 PID: 10912 Comm: syz.2.2089 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 sp : ffff800021326d90 x29: ffff800021326d90 x28: dfff800000000000 x27: ffff0000ccc22fe0 x26: ffff0000de0a59f8 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011bab020 x22: ffff80001207c320 x21: 0000000000000000 x20: ffff800011bab020 x19: ffff0000de0a59f8 x18: ffff800011b8bf60 x17: 1fffe00033eac97e x16: ffff80000804309c x15: 0000000040000000 x14: 0000000000000001 x13: 1fffe00033eaf030 x12: 0000000000ff0100 x11: ff00800008048348 x10: 0000000040000002 x9 : 069dd281bd38dd00 x8 : 069dd281bd38dd00 x7 : 0000000000000004 x6 : ffff80000825796c x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff800021326920 x1 : 0000000000000000 x0 : ffff800008257a00 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 timer_fixup_init+0x50/0x70 kernel/time/timer.c:695 debug_object_fixup lib/debugobjects.c:531 [inline] __debug_object_init+0x30c/0x42c lib/debugobjects.c:646 debug_object_init+0x20/0x2c lib/debugobjects.c:659 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x54/0x498 kernel/time/timer.c:869 ieee80211_sta_setup_sdata+0x2c8/0x5c4 net/mac80211/mlme.c:6522 ieee80211_setup_sdata+0x7dc/0xa54 net/mac80211/iface.c:1844 ieee80211_if_change_type+0x1e4/0xc68 net/mac80211/iface.c:1996 ieee80211_change_iface+0x68/0x400 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x718/0xf24 net/wireless/util.c:1209 nl80211_set_interface+0x428/0x6fc net/wireless/nl80211.c:4240 genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5c8/0x938 net/socket.c:2518 ___sys_sendmsg net/socket.c:2572 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2601 __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg net/socket.c:2608 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 4500 hardirqs last enabled at (4499): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (4499): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (4500): [] __timer_delete_sync+0x78/0x21c kernel/time/timer.c:1555 softirqs last enabled at (4486): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4486): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (4411): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---