------------[ cut here ]------------ WARNING: CPU: 1 PID: 21750 at net/mac80211/rx.c:4592 ieee80211_rx_napi.cold+0x11/0x80 net/mac80211/rx.c:4592 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21750 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:ieee80211_rx_napi.cold+0x11/0x80 net/mac80211/rx.c:4592 Code: ff e8 c4 15 4e f9 48 c7 c7 c0 c0 67 89 e8 23 47 df ff 0f 0b e9 02 0c 8c ff e8 ac 15 4e f9 48 c7 c7 c0 c0 67 89 e8 0b 47 df ff <0f> 0b e9 64 82 8c ff e8 94 15 4e f9 48 c7 c7 c0 c0 67 89 e8 f3 46 RSP: 0018:ffff8880ba107d00 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff88805fabb448 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff814dff01 RDI: ffffed1017420f92 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a9d17780 R13: ffff88805fab9b00 R14: ffff88805fab9b00 R15: ffff8880a9d17780 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline] RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196 Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09 RSP: 0018:ffff88805c567268 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: 0000000000000200 RCX: 1ffff110142ad9ca RDX: dffffc0000000000 RSI: ffff8880a156ce30 RDI: ffff8880a156ce04 RBP: ffffffff86a92b5a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a156c580 R13: 1ffffffff164ef65 R14: ffff88809de38e10 R15: 0000000000000000 local_bh_enable include/linux/bottom_half.h:32 [inline] ctnetlink_dump_table+0x780/0x1130 net/netfilter/nf_conntrack_netlink.c:969 netlink_dump+0x3cf/0xc10 net/netlink/af_netlink.c:2242 __netlink_dump_start+0x4e9/0x6f0 net/netlink/af_netlink.c:2338 netlink_dump_start include/linux/netlink.h:213 [inline] ctnetlink_get_conntrack+0x5f0/0x7a0 net/netfilter/nf_conntrack_netlink.c:1326 nfnetlink_rcv_msg+0xc4f/0xf60 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 nfnetlink_rcv+0x1b2/0x420 net/netfilter/nfnetlink.c:565 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3774d970a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007f3773309168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3774eb6f80 RCX: 00007f3774d970a9 RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000004 RBP: 00007f3774df2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc260b3dbf R14: 00007f3773309300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess), 6 bytes skipped: 0: df 48 c1 fisttps -0x3f(%rax) 3: e8 03 80 3c 10 callq 0x103c800b 8: 00 0f add %cl,(%rdi) a: 85 dd test %ebx,%ebp c: 00 00 add %al,(%rax) e: 00 48 83 add %cl,-0x7d(%rax) 11: 3d c8 5f b8 08 cmp $0x8b85fc8,%eax 16: 00 0f add %cl,(%rdi) 18: 84 8d 00 00 00 fb test %cl,-0x5000000(%rbp) 1e: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 24: 65 8b 05 6c bc c8 7e mov %gs:0x7ec8bc6c(%rip),%eax # 0x7ec8bc97 <-- trapping instruction 2b: 85 c0 test %eax,%eax 2d: 74 7d je 0xac 2f: 5b pop %rbx 30: 5d pop %rbp 31: 41 5c pop %r12 33: c3 retq 34: 80 .byte 0x80 35: 3d f3 87 d5 09 cmp $0x9d587f3,%eax