------------[ cut here ]------------ WARNING: CPU: 1 PID: 18790 at net/mac80211/rx.c:4900 ieee80211_rx_list+0x18e5/0x2740 net/mac80211/rx.c:4900 Modules linked in: CPU: 1 PID: 18790 Comm: syz-executor.1 Not tainted 5.18.0-rc1-syzkaller-14388-g073859985654 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_rx_list+0x18e5/0x2740 net/mac80211/rx.c:4900 Code: 00 00 31 ff 89 de e8 da e5 c4 f8 85 db 0f 85 19 02 00 00 e8 ad e3 c4 f8 4c 89 e7 e8 35 ac 84 fe e9 b9 eb ff ff e8 9b e3 c4 f8 <0f> 0b e9 50 ec ff ff e8 8f e3 c4 f8 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc900001e0c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88801a95b3c8 RCX: 0000000000000100 RDX: ffff88801b255700 RSI: ffffffff88b43f25 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff88b428bb R11: 0000000000000000 R12: ffff88801cd5c3c0 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801a958e60 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff5d299d090 CR3: 000000000ba8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:4998 ieee80211_rx include/net/mac80211.h:4611 [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:645 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:200 Code: 4b 00 5d be 03 00 00 00 e9 06 c6 74 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 f9 4c 89 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 70 02 00 a9 RSP: 0018:ffffc90015507e08 EFLAGS: 00000246 RAX: 0000000080000000 RBX: ffffc90015506838 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88801b255700 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81477337 R11: 0000000000000001 R12: ffffc90015500000 R13: dffffc0000000000 R14: ffff88801b255700 R15: ffffc90015507e80 stack_not_used include/linux/sched/task_stack.h:105 [inline] check_stack_usage kernel/exit.c:719 [inline] do_exit+0x1844/0x2a00 kernel/exit.c:839 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:934 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: 0033:0x7ff5d2889049 Code: Unable to access opcode bytes at RIP 0x7ff5d288901f. RSP: 002b:00007ffea8200238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007ff5d2889049 RDX: 00007ff5d283bc8b RSI: ffffffffffffffb8 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00007ff5d29a02a0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffea8200320 ---------------- Code disassembly (best guess): 0: 4b 00 5d be rex.WXB add %bl,-0x42(%r13) 4: 03 00 add (%rax),%eax 6: 00 00 add %al,(%rax) 8: e9 06 c6 74 02 jmpq 0x274c613 d: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 13: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi 1a: e8 b4 ff ff ff callq 0xffffffd3 1f: 31 c0 xor %eax,%eax 21: c3 retq 22: 90 nop 23: 65 8b 05 f9 4c 89 7e mov %gs:0x7e894cf9(%rip),%eax # 0x7e894d23 * 2a: 89 c1 mov %eax,%ecx <-- trapping instruction 2c: 48 8b 34 24 mov (%rsp),%rsi 30: 81 e1 00 01 00 00 and $0x100,%ecx 36: 65 48 8b 14 25 00 70 mov %gs:0x27000,%rdx 3d: 02 00 3f: a9 .byte 0xa9