RBP: 00007f8f4b833090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f8f4aba5fa0 R15: 00007f8f4accfa28 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 UID: 0 PID: 8581 Comm: syz.4.788 Not tainted 6.14.0-syzkaller-03576-g1e1ba8d23dae #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 assign_lock_key+0x135/0x150 kernel/locking/lockdep.c:986 register_lock_class+0xd6/0x330 kernel/locking/lockdep.c:1300 __lock_acquire+0x80/0xd80 kernel/locking/lockdep.c:5110 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd8/0x130 kernel/locking/spinlock.c:162 cfg80211_dev_free+0x33/0x2d0 net/wireless/core.c:1196 device_release+0x99/0x1c0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 wiphy_free net/wireless/core.c:1224 [inline] wiphy_new_nm+0x16ea/0x19a0 net/wireless/core.c:562 ieee80211_alloc_hw_nm+0x3d4/0x1ea0 net/mac80211/main.c:835 mac80211_hwsim_new_radio+0x20c/0x4b40 drivers/net/wireless/virtual/mac80211_hwsim.c:5185 hwsim_new_radio_nl+0xed0/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6240 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2533 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x8e8/0xce0 net/netlink/af_netlink.c:1882 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 ____sys_sendmsg+0x53c/0x870 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x271/0x360 net/socket.c:2659 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f4a98d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8f4b833038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8f4aba5fa0 RCX: 00007f8f4a98d169 RDX: 0000000020000000 RSI: 0000200000000140 RDI: 0000000000000003 RBP: 00007f8f4b833090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f8f4aba5fa0 R15: 00007f8f4accfa28 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8581 at net/wireless/core.c:1197 cfg80211_dev_free+0x2ba/0x2d0 net/wireless/core.c:1197 Modules linked in: CPU: 0 UID: 0 PID: 8581 Comm: syz.4.788 Not tainted 6.14.0-syzkaller-03576-g1e1ba8d23dae #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:cfg80211_dev_free+0x2ba/0x2d0 net/wireless/core.c:1197 Code: cc f6 49 8b be e0 08 00 00 e8 12 9d c0 f6 4c 89 f7 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc 9c c0 f6 e8 07 16 64 f6 90 <0f> 0b 90 e9 a2 fd ff ff 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc9001030ee20 EFLAGS: 00010093 RAX: ffffffff8b5f6089 RBX: ffff8880595286a8 RCX: ffff88802a300000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9001030ed00 RBP: 1ffffffff194ce98 R08: 0000000000000003 R09: fffff52002061da0 R10: dffffc0000000000 R11: fffff52002061da0 R12: ffff8880595286b8 R13: dffffc0000000000 R14: ffff888059528000 R15: 0000000000000246 FS: 00007f8f4b8336c0(0000) GS:ffff888125224000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001ac0 CR3: 0000000055912000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_release+0x99/0x1c0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 wiphy_free net/wireless/core.c:1224 [inline] wiphy_new_nm+0x16ea/0x19a0 net/wireless/core.c:562 ieee80211_alloc_hw_nm+0x3d4/0x1ea0 net/mac80211/main.c:835 mac80211_hwsim_new_radio+0x20c/0x4b40 drivers/net/wireless/virtual/mac80211_hwsim.c:5185 hwsim_new_radio_nl+0xed0/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6240 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb38/0xf00 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2533 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x8e8/0xce0 net/netlink/af_netlink.c:1882 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 ____sys_sendmsg+0x53c/0x870 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x271/0x360 net/socket.c:2659 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f4a98d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8f4b833038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8f4aba5fa0 RCX: 00007f8f4a98d169 RDX: 0000000020000000 RSI: 0000200000000140 RDI: 0000000000000003 RBP: 00007f8f4b833090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f8f4aba5fa0 R15: 00007f8f4accfa28