¼ @gC—¬U[¡ÀÅQÛÿ£'ûOm„qó^jnK§Vç#ôìpÂÜ“>»óèbš;=Æ{æN lÉ[Õý`âÐuvm_fault(0xffffff003f12b630, 0x6000118, 0, 1) -> e kernel: page fault trap, code=0 Stopped at _bpf_mtap+0x68: movl 0x18(%rbx),%r13d ddb> ddb> set $lines = 0 ddb> show panic kernel page fault uvm_fault(0xffffff003f12b630, 0x6000118, 0, 1) -> e _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff00352df400) at _bpf_mtap+0x68 sys/net/bpf.c:1261 end trace frame: 0xffff800014a9de70, count: 0 ddb> trace _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff00352df400) at _bpf_mtap+0x68 sys/net/bpf.c:1261 bpf_mtap_ether(ffff800014a9df18,42,ffff800000074340) at bpf_mtap_ether+0xeb ifiq_input(ffff800000171050,ffff800000171290,ffffff00352df400) at ifiq_input+0x105 sys/net/ifq.c:500 vio_rxeof(ffff800000171050) at vio_rxeof+0x220 sys/dev/pv/if_vio.c:1045 vio_rx_intr(ffffffff) at vio_rx_intr+0x23 sys/dev/pv/if_vio.c:1057 virtio_check_vqs(ffff80000001c300) at virtio_check_vqs+0x166 sys/dev/pv/virtio.c:228 intr_handler(0,ffff80000024b980) at intr_handler+0x3f sys/arch/amd64/amd64/intr.c:530 Xintr_ioapic_edge19_untramp(0,0,0,0,4495b6f4028,a7e6f) at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0x7f7ffffccc30, count: -8 ddb> show registers rdi 0xffff800000074340 rsi 0xffffff00352df400 rbp 0xffff800014a9dde0 rbx 0x6000100 __kernel_end_phys+0x4000100 rdx 0x1 rcx 0 rax 0x42 r8 0x2 r9 0 r10 0 r11 0xffffffff81468f90 _bus_dmamap_unload r12 0xffff800000074340 r13 0x42 r14 0x1 r15 0 rip 0xffffffff8160af78 _bpf_mtap+0x68 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800014a9dd70 ss 0 _bpf_mtap+0x68: movl 0x18(%rbx),%r13d ddb> show proc PROC (syz-executor1) pid=457997 stat=onproc flags process=0 proc=0 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800014a22e80,0xffff800014a230e8 process=0xffff800014a15cb0 user=0xffff800014a99000, vmspace=0xffffff003f12b630 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *36786 457997 31354 0 7 0 syz-executor1 36786 82672 31354 0 3 0x4000000 biowait syz-executor1 26896 359466 1 0 3 0x100083 ttyin getty 31354 508395 39092 0 3 0x82 nanosleep syz-executor1 80987 260036 0 0 3 0x14200 bored sosplice 64322 211263 39092 0 2 0x2 syz-executor0 39092 83522 41989 0 3 0x82 thrsleep syz-fuzzer 39092 178719 41989 0 3 0x4000082 nanosleep syz-fuzzer 39092 236840 41989 0 3 0x4000082 thrsleep syz-fuzzer 39092 437369 41989 0 3 0x4000082 thrsleep syz-fuzzer 39092 301304 41989 0 3 0x4000082 kqread syz-fuzzer 39092 430096 41989 0 3 0x4000082 thrsleep syz-fuzzer 39092 224674 41989 0 3 0x4000082 thrsleep syz-fuzzer 41989 318304 47818 0 3 0x10008a pause ksh 47818 372868 24955 0 3 0x92 select sshd 24955 464528 1 0 3 0x80 select sshd 82807 346348 86617 73 2 0x100090 syslogd 86617 389896 1 0 3 0x100082 netio syslogd 58435 269859 1 77 3 0x100090 poll dhclient 94944 118546 1 0 3 0x80 poll dhclient 45628 61800 0 0 2 0x14200 zerothread 13145 276593 0 0 3 0x14200 aiodoned aiodoned 75077 498674 0 0 3 0x14200 syncer update 12229 419314 0 0 3 0x14200 cleaner cleaner 15584 134366 0 0 3 0x14200 reaper reaper 62975 351920 0 0 3 0x14200 pgdaemon pagedaemon 34913 324350 0 0 3 0x14200 bored crynlk 5645 321052 0 0 3 0x14200 bored crypto 62149 46171 0 0 3 0x40014200 acpi0 acpi0 69869 486382 0 0 3 0x14200 bored softnet 52680 64618 0 0 3 0x14200 bored systqmp 60144 255133 0 0 3 0x14200 bored systq 56111 19019 0 0 3 0x40014200 bored softclock 18744 274845 0 0 3 0x40014200 idle0 1 325021 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper