uvm_fault(0xffffff007f12b000, 0xd0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ip_pcbopts+0x19: movq 0(%r14),%rdi ddb> ddb> set $lines = 0 ddb> show panic kernel page fault uvm_fault(0xffffff007f12b000, 0xd0, 0, 1) -> e ip_pcbopts(ffffff006f2eaa80,ffffff006efec100) at ip_pcbopts+0x19 end trace frame: 0xffff80002112c120, count: 0 ddb> trace ip_pcbopts(ffffff006f2eaa80,ffffff006efec100) at ip_pcbopts+0x19 sosetopt(ffffff0068d45c40,ffff8000ffffd070,ffffff006efec100,ffffff006f2eaa80) at sosetopt+0xbf sys_setsockopt(ffff80002112c240,ffff8000ffffd070,ffff800021060948) at sys_setsockopt+0x1aa syscall(0) at syscall+0x3e4 Xsyscall(6,0,ffffffffffffffe4,0,5,30a3b100010) at Xsyscall+0x128 end of kernel end trace frame: 0x30d28700330, count: -5 ddb> show registers rdi 0xd0 rsi 0xffffffff811b3c29 ip_pcbopts+0x19 rbp 0xffff80002112c0d0 rbx 0xffffffff8170d810 rip_ctloutput rdx 0xffff800002acf000 rcx 0x5e rax 0xffff800002acf000 r8 0xffffff006efec100 r9 0 r10 0xd38f2e39915501ac r11 0xffffffff8170d810 rip_ctloutput r12 0x1 r13 0 r14 0xd0 r15 0xffffff006efec100 rip 0xffffffff811b3c29 ip_pcbopts+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002112c0a0 ss 0x10 ip_pcbopts+0x19: movq 0(%r14),%rdi ddb> show proc PROC (syz-executor0) pid=269598 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffffc260,0xffff8000ffffce28 process=0xffff800021060948 user=0xffff800021127000, vmspace=0xffffff007f12b000 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 34940 502816 35724 0 2 0 syz-executor0 *34940 269598 35724 0 7 0x4000000 syz-executor0 49296 491531 11436 0 2 0 syz-executor1 49296 372844 11436 0 3 0x4000080 fsleep syz-executor1 49296 86319 11436 0 3 0x4000080 fsleep syz-executor1 11436 236501 71604 0 3 0x82 nanosleep syz-executor1 82760 269715 0 0 3 0x14200 bored sosplice 35724 318571 71604 0 3 0x82 nanosleep syz-executor0 71604 148830 92945 0 3 0x82 thrsleep syz-fuzzer 71604 40246 92945 0 3 0x4000082 thrsleep syz-fuzzer 71604 358306 92945 0 3 0x4000082 thrsleep syz-fuzzer 71604 107784 92945 0 3 0x4000082 thrsleep syz-fuzzer 71604 116389 92945 0 3 0x4000082 kqread syz-fuzzer 71604 493062 92945 0 3 0x4000082 thrsleep syz-fuzzer 71604 455323 92945 0 3 0x4000082 thrsleep syz-fuzzer 92945 101359 95024 0 3 0x10008a pause ksh 95024 339773 54399 0 3 0x92 select sshd 19817 408285 1 0 3 0x100083 ttyin getty 54399 356523 1 0 3 0x80 select sshd 99473 473500 21392 73 2 0x100090 syslogd 21392 206644 1 0 3 0x100082 netio syslogd 44324 119611 1 77 3 0x100090 poll dhclient 39714 71372 1 0 3 0x80 poll dhclient 87104 144439 0 0 2 0x14200 zerothread 20847 386800 0 0 3 0x14200 aiodoned aiodoned 47582 263974 0 0 3 0x14200 syncer update 91376 225750 0 0 3 0x14200 cleaner cleaner 88964 314491 0 0 3 0x14200 reaper reaper 53162 111727 0 0 3 0x14200 pgdaemon pagedaemon 75802 63711 0 0 3 0x14200 bored crynlk 35817 367903 0 0 3 0x14200 bored crypto 28906 458624 0 0 3 0x40014200 acpi0 acpi0 6874 250381 0 0 3 0x14200 bored softnet 28499 325835 0 0 3 0x14200 bored systqmp 85013 463614 0 0 3 0x14200 bored systq 96519 78229 0 0 3 0x40014200 bored softclock 62 447487 0 0 3 0x40014200 idle0 1 134044 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper