uvm_fault(0xffffffff81ed58c8, 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(0xffffffff81ed58c8, 0x6000118, 0, 1) -> e _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff006a0df200) at _bpf_mtap+0x68 end trace frame: 0xffff800021028890, count: 0 ddb> trace _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff006a0df200) at _bpf_mtap+0x68 bpf_mtap_ether(ffff800021028938,42,ffff800000074340) at bpf_mtap_ether+0xeb ifiq_input(ffff800000171050,ffff800000171290,ffffff006a0df200) at ifiq_input+0x105 vio_rxeof(ffff800000171050) at vio_rxeof+0x220 vio_rx_intr(ffffffff) at vio_rx_intr+0x23 virtio_check_vqs(ffff80000001c300) at virtio_check_vqs+0x166 intr_handler(0,ffff80000024b980) at intr_handler+0x3f Xintr_ioapic_edge19_untramp(0,0,0,0,ffff80000001c900,ffff800000022700) at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x221 sched_idle(0) at sched_idle+0x27a end trace frame: 0x0, count: -10 ddb> show registers rdi 0xffff800000074340 rsi 0xffffff006a0df200 rbp 0xffff800021028800 rbx 0x6000100 __kernel_end_phys+0x4000100 rdx 0x1 rcx 0 rax 0x42 r8 0x2 r9 0 r10 0 r11 0xffffffff81214d30 _bus_dmamap_unload r12 0xffff800000074340 r13 0x42 r14 0x1 r15 0 rip 0xffffffff81732338 _bpf_mtap+0x68 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800021028790 ss 0x10 _bpf_mtap+0x68: movl 0x18(%rbx),%r13d ddb> show proc PROC (idle0) pid=238084 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=86, nice=20 forw=0xe307e503fdfcaa5b, list=0xffff8000fffff2c0,0xffff8000ffffebc8 process=0xffff80002101a2f0 user=0xffff800021023000, vmspace=0xffffffff81ed58c8 estcpu=36, cpticks=3674, pctcpu=0.69 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 93644 56832 62846 0 3 0x80 nanosleep syz-executor0 93644 235833 62846 0 3 0x4000080 ttyin syz-executor0 39981 495066 0 0 3 0x14200 bored sosplice 62846 194057 11534 0 3 0x82 nanosleep syz-executor0 66195 91876 11534 0 3 0x2 biowait syz-executor1 11534 53582 21222 0 3 0x82 thrsleep syz-fuzzer 11534 157958 21222 0 3 0x4000082 nanosleep syz-fuzzer 11534 361572 21222 0 3 0x4000082 thrsleep syz-fuzzer 11534 316782 21222 0 3 0x4000082 thrsleep syz-fuzzer 11534 374185 21222 0 3 0x4000082 kqread syz-fuzzer 11534 317246 21222 0 3 0x4000082 thrsleep syz-fuzzer 11534 257956 21222 0 3 0x4000082 thrsleep syz-fuzzer 21222 491712 29660 0 3 0x10008a pause ksh 29660 135652 35418 0 3 0x92 select sshd 88028 213648 1 0 3 0x100083 ttyin getty 35418 80022 1 0 3 0x80 select sshd 8651 284209 34208 73 2 0x100090 syslogd 34208 141453 1 0 3 0x100082 netio syslogd 29626 75052 1 77 3 0x100090 poll dhclient 1994 501272 1 0 3 0x80 poll dhclient 27985 5068 0 0 3 0x14200 pgzero zerothread 7431 153736 0 0 3 0x14200 aiodoned aiodoned 92762 343569 0 0 3 0x14200 syncer update 75124 201125 0 0 3 0x14200 cleaner cleaner 53409 70615 0 0 3 0x14200 reaper reaper 90509 52369 0 0 3 0x14200 pgdaemon pagedaemon 34375 44100 0 0 3 0x14200 bored crynlk 48922 463751 0 0 3 0x14200 bored crypto 69962 151087 0 0 3 0x40014200 acpi0 acpi0 82177 80948 0 0 3 0x14200 bored softnet 52242 262675 0 0 3 0x14200 bored systqmp 71412 90943 0 0 3 0x14200 bored systq 19734 272216 0 0 3 0x40014200 bored softclock *76045 238084 0 0 7 0x40014200 idle0 1 22566 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper