uvm_fault(0xffffff007f12bd68, 0xd0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ip_ctloutput+0x784: movq 0xd0(%r14),%rbx ddb> ddb> set $lines = 0 ddb> show panic kernel page fault uvm_fault(0xffffff007f12bd68, 0xd0, 0, 1) -> e ip_ctloutput(ffffff006fdefb40,ffff8000211797d8,ffffff006e700d88,ffff800021166588,ffffff0063336d00) at ip_ctloutput+0x784 end trace frame: 0xffff800021166530, count: 0 ddb> trace ip_ctloutput(ffffff006fdefb40,ffff8000211797d8,ffffff006e700d88,ffff800021166588,ffffff0063336d00) at ip_ctloutput+0x784 sys_getsockopt(ffff800021166610,ffff8000211797d8,ffff800021060620) at sys_getsockopt+0x13c syscall(0) at syscall+0x3e4 Xsyscall(6,0,ffffffffffffff66,0,5,c42e611010) at Xsyscall+0x128 end of kernel end trace frame: 0xc674d70880, count: -4 ddb> show registers rdi 0 rsi 0xffffffff81a13b44 ip_ctloutput+0x784 rbp 0xffff8000211664d0 rbx 0 rdx 0xffff800000acb000 rcx 0x5c rax 0xffff800000acb000 r8 0xffffff0063336d00 r9 0 r10 0x5fb355a9c60e2bbd r11 0xffffffff8110e110 rip_ctloutput r12 0x1 r13 0 r14 0 r15 0xffffff0063336d00 rip 0xffffffff81a13b44 ip_ctloutput+0x784 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff8000211664a0 ss 0x10 ip_ctloutput+0x784: movq 0xd0(%r14),%rbx ddb> show proc PROC (syz-executor1) pid=57893 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000211790d0,0xffffffff81e98cf0 process=0xffff800021060620 user=0xffff800021161000, vmspace=0xffffff007f12bd68 estcpu=30, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 57810 165108 5463 0 2 0 syz-executor1 *57810 57893 5463 0 7 0x4000000 syz-executor1 14406 15367 1 0 3 0x100083 ttyin getty 47493 252056 0 0 3 0x14200 bored sosplice 20786 300648 13172 0 2 0x2 syz-executor0 5463 325422 13172 0 3 0x82 nanosleep syz-executor1 13172 457260 67729 0 3 0x82 thrsleep syz-fuzzer 13172 366409 67729 0 3 0x4000082 nanosleep syz-fuzzer 13172 455749 67729 0 3 0x4000082 thrsleep syz-fuzzer 13172 257718 67729 0 3 0x4000082 kqread syz-fuzzer 13172 95403 67729 0 3 0x4000082 thrsleep syz-fuzzer 13172 81280 67729 0 3 0x4000082 thrsleep syz-fuzzer 13172 166527 67729 0 3 0x4000082 thrsleep syz-fuzzer 67729 398933 32693 0 3 0x10008a pause ksh 32693 299826 6494 0 3 0x92 select sshd 6494 379332 1 0 3 0x80 select sshd 7138 379222 13290 73 2 0x100090 syslogd 13290 402172 1 0 3 0x100082 netio syslogd 48378 111716 1 77 3 0x100090 poll dhclient 95732 145051 1 0 3 0x80 poll dhclient 17392 21114 0 0 2 0x14200 zerothread 13316 523872 0 0 3 0x14200 aiodoned aiodoned 90609 433962 0 0 3 0x14200 syncer update 56686 327493 0 0 3 0x14200 cleaner cleaner 52407 389792 0 0 3 0x14200 reaper reaper 29371 207413 0 0 3 0x14200 pgdaemon pagedaemon 46044 391168 0 0 3 0x14200 bored crynlk 97838 220472 0 0 3 0x14200 bored crypto 71337 45046 0 0 3 0x40014200 acpi0 acpi0 47258 130430 0 0 3 0x14200 bored softnet 84402 453795 0 0 3 0x14200 bored systqmp 34175 467610 0 0 3 0x14200 bored systq 76871 47299 0 0 3 0x40014200 bored softclock 61298 215701 0 0 3 0x40014200 idle0 1 91051 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper