------------[ cut here ]------------ WARNING: kernel/kcov.c:872 at kcov_remote_start+0x528/0x7a0 kernel/kcov.c:872, CPU#0: syz.4.3579/19743 Modules linked in: CPU: 0 UID: 0 PID: 19743 Comm: syz.4.3579 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:kcov_remote_start+0x528/0x7a0 kernel/kcov.c:872 Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1f f3 cc 02 e8 da ba 98 09 f7 c3 00 02 00 00 0f 84 0c fb ff ff e9 72 fc ff ff 90 <0f> 0b 90 e8 40 d5 98 09 89 c0 48 c7 c7 c8 9e 80 92 48 03 3c c5 d0 RSP: 0018:ffffc900042bf238 EFLAGS: 00010002 RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002 RDX: 0000000000000003 RSI: ffffffff8d97658e RDI: ffffffff8bc083e0 RBP: ffffc900042bf4d0 R08: ffffc900042bf018 R09: 0000000000000020 R10: dffffc0000000000 R11: ffffffff819e5c40 R12: ffff8880b8628ec8 R13: ffffffff81c101b9 R14: ffff888058d58000 R15: 0000000000000000 FS: 00007fe8d3cc96c0(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c437686 CR3: 0000000079a6c000 CR4: 00000000003526f0 DR0: 0000000000000003 DR1: 00000000000001f8 DR2: 000000000000008e DR3: 000000000000057a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x749/0x2f90 net/mac80211/rx.c:5526 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5567 ieee80211_rx include/net/mac80211.h:5216 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 ieee80211_stop_device+0x3e/0xf0 net/mac80211/util.c:1563 ieee80211_do_stop+0x1799/0x1f70 net/mac80211/iface.c:734 ieee80211_stop+0x1b1/0x240 net/mac80211/iface.c:828 __dev_close_many+0x344/0x6b0 net/core/dev.c:1756 netif_close_many+0x225/0x410 net/core/dev.c:1781 netif_close+0x158/0x210 net/core/dev.c:1798 dev_close+0x10a/0x220 net/core/dev_api.c:220 cfg80211_shutdown_all_interfaces+0xc4/0x200 net/wireless/core.c:280 cfg80211_rfkill_set_block+0x2d/0x50 net/wireless/core.c:310 rfkill_set_block+0x1d2/0x440 net/rfkill/core.c:346 rfkill_fop_write+0x44b/0x570 net/rfkill/core.c:1301 vfs_write+0x27e/0xb30 fs/read_write.c:684 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe8d2d8f749 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:00007fe8d3cc9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe8d2fe6180 RCX: 00007fe8d2d8f749 RDX: 0000000000000008 RSI: 0000200000000080 RDI: 000000000000000b RBP: 00007fe8d2e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe8d2fe6218 R14: 00007fe8d2fe6180 R15: 00007fe8d310fa28