------------[ cut here ]------------ WARNING: CPU: 1 PID: 1038 at kernel/kcov.c:871 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:871 Modules linked in: CPU: 1 PID: 1038 Comm: kworker/u8:6 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events_unbound cfg80211_wiphy_work 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 66 cd ef 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0 RSP: 0018:ffffc90000a18250 EFLAGS: 00010002 RAX: 0000000000010101 RBX: ffff888021cada00 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1fe980 RBP: 0100000000000005 R08: ffffffff92fa75ef R09: 1ffffffff25f4ebd R10: dffffc0000000000 R11: fffffbfff25f4ebe R12: ffffffff8196315e R13: ffff88802a3eec00 R14: 0000000000000006 R15: ffff8880b952d4c8 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4e037ddfa8 CR3: 000000007eb38000 CR4: 0000000000350ef0 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+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59d/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+0x112/0x3f0 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:kcov_remote_start+0x2e/0x7e0 kernel/kcov.c:925 Code: 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 65 48 8b 1c 25 c0 d4 03 00 48 b8 00 00 00 00 ff ff ff 00 48 85 c7 74 17 90 0f 0b 90 <48> 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0a 10 1a 0a 48 89 fd RSP: 0018:ffffc90000a189f0 EFLAGS: 00000206 RAX: 57e4e011d8e92800 RBX: ffff888021cada00 RCX: ffffffff8172da6a RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: ffffffff8c1fe980 RBP: ffff8880b952d4c8 R08: ffffffff92fa75ef R09: 1ffffffff25f4ebd R10: dffffc0000000000 R11: fffffbfff25f4ebe R12: 0000000000040000 R13: ffff88801e83d140 R14: 0000000000000206 R15: ffff8880796bc300 kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x797/0x3780 net/mac80211/rx.c:5441 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482 ieee80211_rx include/net/mac80211.h:5093 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:438 tasklet_action_common+0x323/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c6/0x970 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:2268 [inline] ieee80211_handle_roc_started+0x267/0x440 net/mac80211/offchannel.c:248 _ieee80211_start_next_roc+0x7a1/0xb00 net/mac80211/offchannel.c:381 cfg80211_wiphy_work+0x223/0x260 net/wireless/core.c:437 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess): 0: 55 push %rbp 1: 41 57 push %r15 3: 41 56 push %r14 5: 41 55 push %r13 7: 41 54 push %r12 9: 53 push %rbx a: 48 83 ec 18 sub $0x18,%rsp e: 65 48 8b 1c 25 c0 d4 mov %gs:0x3d4c0,%rbx 15: 03 00 17: 48 b8 00 00 00 00 ff movabs $0xffffff00000000,%rax 1e: ff ff 00 21: 48 85 c7 test %rax,%rdi 24: 74 17 je 0x3d 26: 90 nop 27: 0f 0b ud2 29: 90 nop * 2a: 48 83 c4 18 add $0x18,%rsp <-- trapping instruction 2e: 5b pop %rbx 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: 5d pop %rbp 38: e9 0a 10 1a 0a jmp 0xa1a1047 3d: 48 89 fd mov %rdi,%rbp