uvm_fault(0xffffffff81ea8440, 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(0xffffffff81ea8440, 0x6000118, 0, 1) -> e _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff0061303200) at _bpf_mtap+0x68 end trace frame: 0xffff800021027f00, count: 0 ddb> trace _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff0061303200) at _bpf_mtap+0x68 bpf_mtap_ether(ffff800021027fa8,42,ffff800000074340) at bpf_mtap_ether+0xeb ifiq_input(ffff800000171050,ffff800000171290,ffffff0061303200) 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 0xffffff0061303200 rbp 0xffff800021027e70 rbx 0x6000100 __kernel_end_phys+0x4000100 rdx 0x1 rcx 0 rax 0x42 r8 0x2 r9 0 r10 0 r11 0xffffffff818e6760 _bus_dmamap_unload r12 0xffff800000074340 r13 0x42 r14 0x1 r15 0 rip 0xffffffff8163c6b8 _bpf_mtap+0x68 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800021027e00 ss 0x10 _bpf_mtap+0x68: movl 0x18(%rbx),%r13d ddb> show proc PROC (idle0) pid=250834 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=86, nice=20 forw=0x6900bcb4c063f96b, list=0xffff8000fffff9c8,0xffff8000ffffe4c0 process=0xffff800021019fc8 user=0xffff800021023000, vmspace=0xffffffff81ea8440 estcpu=36, cpticks=33254, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 29865 107175 1 0 3 0x100083 ttyin getty 10794 276045 0 0 3 0x14200 bored sosplice 25071 415808 81421 0 3 0x2 biowait syz-executor1 74852 485832 81421 0 3 0x2 biowait syz-executor0 81421 470642 43443 0 3 0x82 thrsleep syz-fuzzer 81421 50885 43443 0 3 0x4000082 nanosleep syz-fuzzer 81421 351346 43443 0 3 0x4000082 thrsleep syz-fuzzer 81421 267796 43443 0 3 0x4000082 thrsleep syz-fuzzer 81421 347780 43443 0 3 0x4000082 kqread syz-fuzzer 81421 280292 43443 0 3 0x4000082 thrsleep syz-fuzzer 81421 148170 43443 0 3 0x4000082 thrsleep syz-fuzzer 43443 475534 14628 0 3 0x10008a pause ksh 14628 364553 16594 0 3 0x92 select sshd 16594 231490 1 0 3 0x80 select sshd 22246 153889 60788 73 2 0x100090 syslogd 60788 200296 1 0 3 0x100082 netio syslogd 98125 195994 1 77 3 0x100090 poll dhclient 84554 271212 1 0 3 0x80 poll dhclient 94833 461182 0 0 3 0x14200 pgzero zerothread 72079 410973 0 0 3 0x14200 aiodoned aiodoned 52778 161071 0 0 3 0x14200 syncer update 8641 45988 0 0 3 0x14200 cleaner cleaner 22595 56413 0 0 3 0x14200 reaper reaper 275 57637 0 0 3 0x14200 pgdaemon pagedaemon 61627 86082 0 0 3 0x14200 bored crynlk 49364 170583 0 0 3 0x14200 bored crypto 88848 388964 0 0 3 0x40014200 acpi0 acpi0 19951 139247 0 0 3 0x14200 bored softnet 47125 52004 0 0 3 0x14200 bored systqmp 87980 485037 0 0 3 0x14200 bored systq 12254 46005 0 0 3 0x40014200 bored softclock *30899 250834 0 0 7 0x40014200 idle0 1 376832 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper