------------[ cut here ]------------ WARNING: CPU: 0 PID: 10301 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871 Modules linked in: CPU: 0 UID: 0 PID: 10301 Comm: syz.4.1112 Not tainted 6.11.0-rc2-syzkaller-00027-g6a0e38264012 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871 Code: 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 a6 01 00 00 41 f7 c6 00 02 00 00 0f 84 93 fa ff ff fb e9 8d fa ff ff 90 <0f> 0b 90 e8 f6 61 22 0a 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 40 RSP: 0018:ffffc90000006bb0 EFLAGS: 00010002 RAX: 0000000080010302 RBX: ffff888029b6bc00 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffffffff8c0ae6e0 RDI: ffffffff8c605f00 RBP: 0100000000000002 R08: ffffffff9372c877 R09: 1ffffffff26e590e R10: dffffc0000000000 R11: fffffbfff26e590f R12: ffffffff8193809e R13: ffff88804d9fc700 R14: 0000000000000006 R15: ffff8880b922d4c8 FS: 00007fda2886c6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020014000 CR3: 000000004d226000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcov_remote_start_usb include/linux/kcov.h:55 [inline] kcov_remote_start_usb_softirq include/linux/kcov.h:89 [inline] __usb_hcd_giveback_urb+0x405/0x6e0 drivers/usb/core/hcd.c:1649 dummy_timer+0x830/0x45a0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:queue_work_on+0x269/0x380 kernel/workqueue.c:2397 Code: 75 19 e8 aa 92 36 00 eb 18 e8 a3 92 36 00 e8 0e e6 58 0a 48 83 7c 24 10 00 74 e7 e8 91 92 36 00 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 37 00 00 00 00 43 c7 44 37 09 00 00 00 00 66 43 c7 44 37 RSP: 0018:ffffc90000007340 EFLAGS: 00000283 RAX: ffffffff815ce45f RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90002111000 RSI: 00000000000000c6 RDI: 00000000000000c7 RBP: ffffc90000007438 R08: ffffffff815ce42f R09: 1ffffffff26e591e R10: dffffc0000000000 R11: fffffbfff26e591f R12: 0000000002000001 R13: 0000000000000046 R14: 1ffff92000000e6c R15: dffffc0000000000 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:233 [inline] ieee80211_queue_skb_to_iface net/mac80211/rx.c:244 [inline] ieee80211_rx_h_mgmt+0x50f/0x710 net/mac80211/rx.c:4050 ieee80211_rx_handlers+0x67fc/0xb830 net/mac80211/rx.c:4208 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4238 [inline] ieee80211_prepare_and_rx_handle+0x31ab/0x6360 net/mac80211/rx.c:5086 __ieee80211_rx_handle_packet net/mac80211/rx.c:5327 [inline] ieee80211_rx_list+0x2ce0/0x3780 net/mac80211/rx.c:5462 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485 ieee80211_rx include/net/mac80211.h:5124 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2297 [inline] ieee80211_send_scan_probe_req net/mac80211/scan.c:653 [inline] ieee80211_scan_state_send_probe+0x59e/0xa10 net/mac80211/scan.c:681 __ieee80211_start_scan+0x1c07/0x1e00 net/mac80211/scan.c:830 rdev_scan+0x155/0x300 net/wireless/rdev-ops.h:466 cfg80211_conn_scan+0x88f/0xb50 net/wireless/sme.c:133 cfg80211_sme_connect net/wireless/sme.c:630 [inline] cfg80211_connect+0x14a4/0x1cf0 net/wireless/sme.c:1525 nl80211_connect+0x188f/0x1fe0 net/wireless/nl80211.c:12188 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda27b779f9 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:00007fda2886c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fda27d05f80 RCX: 00007fda27b779f9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000006 RBP: 00007fda27be58ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fda27d05f80 R15: 00007fda27e2fa38 ---------------- Code disassembly (best guess): 0: 75 19 jne 0x1b 2: e8 aa 92 36 00 call 0x3692b1 7: eb 18 jmp 0x21 9: e8 a3 92 36 00 call 0x3692b1 e: e8 0e e6 58 0a call 0xa58e621 13: 48 83 7c 24 10 00 cmpq $0x0,0x10(%rsp) 19: 74 e7 je 0x2 1b: e8 91 92 36 00 call 0x3692b1 20: fb sti 21: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) 28: e0 45 * 2a: 4b c7 04 37 00 00 00 movq $0x0,(%r15,%r14,1) <-- trapping instruction 31: 00 32: 43 c7 44 37 09 00 00 movl $0x0,0x9(%r15,%r14,1) 39: 00 00 3b: 66 data16 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 37 rex.R (bad)