------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 0 PID: 5191 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 0 PID: 5191 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 0 PID: 5191 Comm: syz.3.132 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 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 : ffff800021e171a0 x29: ffff800021e171a0 x28: dfff800000000000 x27: ffff0000f5f06ec8 x26: ffff0000f6731a28 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011b9afe0 x22: ffff80001206bf60 x21: 0000000000000000 x20: ffff800011b9afe0 x19: ffff0000f6731a28 x18: ffff800011b7bf60 x17: 1fffe00033eaab7e x16: ffff8000082d9364 x15: ffff8000151fd000 x14: 0000000000000001 x13: 1fffe000192f96d0 x12: 0000000000000000 x11: 0000000000000000 x10: ffff6000192f96d1 x9 : 137f3ced5defec00 x8 : 137f3ced5defec00 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_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1731 ieee80211_setup_sdata+0x71c/0xaa8 net/mac80211/iface.c:1852 ieee80211_runtime_change_iftype net/mac80211/iface.c:1968 [inline] ieee80211_if_change_type+0x7a8/0xc68 net/mac80211/iface.c:1990 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_sendto+0x324/0x440 net/socket.c:2152 __do_sys_sendto net/socket.c:2164 [inline] __se_sys_sendto net/socket.c:2160 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160 __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: 1316 hardirqs last enabled at (1315): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (1315): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004 hardirqs last disabled at (1316): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (904): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (904): [] ieee80211_configure_filter+0x52c/0xe8c net/mac80211/main.c:74 softirqs last disabled at (902): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (902): [] ieee80211_configure_filter+0x32c/0xe8c net/mac80211/main.c:70 ---[ 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: 0 PID: 5191 Comm: syz.3.132 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 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_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1731 ieee80211_setup_sdata+0x71c/0xaa8 net/mac80211/iface.c:1852 ieee80211_runtime_change_iftype net/mac80211/iface.c:1968 [inline] ieee80211_if_change_type+0x7a8/0xc68 net/mac80211/iface.c:1990 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_sendto+0x324/0x440 net/socket.c:2152 __do_sys_sendto net/socket.c:2164 [inline] __se_sys_sendto net/socket.c:2160 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160 __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: 0 PID: 5191 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 0 PID: 5191 at lib/debugobjects.c:518 __debug_object_init+0x2c4/0x42c lib/debugobjects.c:643 Modules linked in: CPU: 0 PID: 5191 Comm: syz.3.132 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 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 : ffff800021e17110 x29: ffff800021e17110 x28: dfff800000000000 x27: ffff0000f5f06ec8 x26: ffff0000f6731a28 x25: 0000000000000000 x24: 0000000000000003 x23: ffff800011b9afe0 x22: ffff80001206bf60 x21: 0000000000000000 x20: ffff800011b9afe0 x19: ffff0000f6731a28 x18: 0000000000080000 x17: 6e6968207473696c x16: ffff800008042fdc x15: 6570797420746365 x14: 0000000000000001 x13: 0000000000400008 x12: 0000000000ff0100 x11: ff00800008194238 x10: 0000000000000003 x9 : 137f3ced5defec00 x8 : 137f3ced5defec00 x7 : 7463612074696e69 x6 : ffff80000830e8e8