------------[ cut here ]------------ WARNING: CPU: 0 PID: 28146 at net/mac80211/rx.c:4902 ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Modules linked in: CPU: 0 PID: 28146 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller-11655-ge5313968c41b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Code: 00 00 31 ff 89 de e8 6d 9a d8 f8 85 db 0f 85 19 02 00 00 e8 40 98 d8 f8 4c 89 e7 e8 58 ef 88 fe e9 bc eb ff ff e8 2e 98 d8 f8 <0f> 0b e9 53 ec ff ff e8 22 98 d8 f8 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000007c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88801f2e33c8 RCX: 0000000000000100 RDX: ffff88807dff9d00 RSI: ffffffff889fbdc2 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff889fa75b R11: 0000000000000000 R12: ffff88801f399dc0 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801f2e0e60 FS: 00007efd30f65700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efd32703028 CR3: 000000004fcc2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:5000 ieee80211_rx include/net/mac80211.h:4594 [inline] ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:784 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode+0x31/0x40 kernel/kcov.c:178 Code: 89 c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 a4 15 00 00 85 d2 74 0b 8b 86 80 15 00 00 39 f8 0f 94 c0 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 31 c0 65 8b 15 37 1e RSP: 0018:ffffc90003ce7c30 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 000000000000060c RCX: 0000000000000020 RDX: 0000000000000000 RSI: ffff88807dff9d00 RDI: 0000000000000003 RBP: ffffffff8c16f560 R08: 000000000000060c R09: ffffc90003ce7b7f R10: ffffffff81804990 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000020 R14: ffff888076e0cc60 R15: ffffffff8bc55a20 write_comp_data kernel/kcov.c:221 [inline] __sanitizer_cov_trace_cmp8+0x1d/0x70 kernel/kcov.c:267 perf_trace_init+0xe0/0x2f0 kernel/trace/trace_event_perf.c:225 perf_tp_event_init+0xa2/0x120 kernel/events/core.c:9815 perf_try_init_event+0x12a/0x560 kernel/events/core.c:11273 perf_init_event kernel/events/core.c:11337 [inline] perf_event_alloc.part.0+0xf21/0x3b70 kernel/events/core.c:11628 perf_event_alloc kernel/events/core.c:12051 [inline] __do_sys_perf_event_open+0x4ae/0x3130 kernel/events/core.c:12149 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7efd325f0059 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efd30f65168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007efd32702f60 RCX: 00007efd325f0059 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002025c000 RBP: 00007efd3264a08d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc58156dcf R14: 00007efd30f65300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 89 c2 mov %eax,%edx 2: 81 e2 00 01 00 00 and $0x100,%edx 8: a9 00 01 ff 00 test $0xff0100,%eax d: 74 10 je 0x1f f: 31 c0 xor %eax,%eax 11: 85 d2 test %edx,%edx 13: 74 15 je 0x2a 15: 8b 96 a4 15 00 00 mov 0x15a4(%rsi),%edx 1b: 85 d2 test %edx,%edx 1d: 74 0b je 0x2a 1f: 8b 86 80 15 00 00 mov 0x1580(%rsi),%eax 25: 39 f8 cmp %edi,%eax 27: 0f 94 c0 sete %al * 2a: c3 retq <-- trapping instruction 2b: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 32: 00 00 00 00 36: 0f 1f 00 nopl (%rax) 39: 31 c0 xor %eax,%eax 3b: 65 gs 3c: 8b .byte 0x8b 3d: 15 .byte 0x15 3e: 37 (bad) 3f: 1e (bad)