uvm_fault(0xffffff007f12b948, 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(0xffffff007f12b948, 0xd0, 0, 1) -> e ip_ctloutput(ffffff006fa6f168,ffff8000ffffcbc0,ffffff006e711c08,ffff80002118cb68,ffffff0006496000) at ip_ctloutput+0x784 end trace frame: 0xffff80002118cb10, count: 0 ddb> trace ip_ctloutput(ffffff006fa6f168,ffff8000ffffcbc0,ffffff006e711c08,ffff80002118cb68,ffffff0006496000) at ip_ctloutput+0x784 sys_getsockopt(ffff80002118cbf0,ffff8000ffffcbc0,ffff8000210a5988) at sys_getsockopt+0x13c syscall(0) at syscall+0x3e4 Xsyscall(6,0,ffffffffffffff66,0,5,b0380e38010) at Xsyscall+0x128 end of kernel end trace frame: 0xb0650e5a250, count: -4 ddb> show registers rdi 0 rsi 0xffffffff81a13b44 ip_ctloutput+0x784 rbp 0xffff80002118cab0 rbx 0 rdx 0xffff800000ccb000 rcx 0x5c rax 0xffff800000ccb000 r8 0xffffff0006496000 r9 0 r10 0x7bcfa6ea49b901ff r11 0xffffffff8110e110 rip_ctloutput r12 0x1 r13 0 r14 0 r15 0xffffff0006496000 rip 0xffffffff81a13b44 ip_ctloutput+0x784 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002118ca80 ss 0x10 ip_ctloutput+0x784: movq 0xd0(%r14),%rbx ddb> show proc PROC (syz-executor0) pid=443122 stat=onproc flags process=10 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000210c3c30,0xffffffff81e98cf0 process=0xffff8000210a5988 user=0xffff800021187000, vmspace=0xffffff007f12b948 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 44585 487642 94213 60929 2 0x10 syz-executor0 *44585 443122 94213 60929 7 0x4000010 syz-executor0 18325 458464 82864 0 3 0x80 nanosleep syz-executor1 18325 17420 82864 0 3 0x4000080 poll syz-executor1 18325 368310 82864 0 3 0x4000080 fsleep syz-executor1 92723 400507 1 0 3 0x100083 ttyin getty 94213 365304 79962 0 3 0x82 nanosleep syz-executor0 70240 435068 0 0 3 0x14200 bored sosplice 82864 64886 79962 0 3 0x82 nanosleep syz-executor1 79962 202202 44443 0 3 0x82 thrsleep syz-fuzzer 79962 427336 44443 0 3 0x4000082 thrsleep syz-fuzzer 79962 458240 44443 0 3 0x4000082 thrsleep syz-fuzzer 79962 219816 44443 0 3 0x4000082 thrsleep syz-fuzzer 79962 322423 44443 0 3 0x4000082 kqread syz-fuzzer 79962 235870 44443 0 3 0x4000082 thrsleep syz-fuzzer 79962 468942 44443 0 3 0x4000082 thrsleep syz-fuzzer 44443 117912 92740 0 3 0x10008a pause ksh 92740 188761 46272 0 3 0x92 select sshd 46272 213421 1 0 3 0x80 select sshd 34146 341455 35695 73 2 0x100090 syslogd 35695 96670 1 0 3 0x100082 netio syslogd 83976 275639 1 77 3 0x100090 poll dhclient 88999 436562 1 0 3 0x80 poll dhclient 45347 188865 0 0 2 0x14200 zerothread 89931 350666 0 0 3 0x14200 aiodoned aiodoned 46177 103381 0 0 3 0x14200 syncer update 5756 159814 0 0 3 0x14200 cleaner cleaner 89311 47567 0 0 3 0x14200 reaper reaper 67783 73822 0 0 3 0x14200 pgdaemon pagedaemon 10629 381864 0 0 3 0x14200 bored crynlk 98085 54571 0 0 3 0x14200 bored crypto 55078 508803 0 0 3 0x40014200 acpi0 acpi0 71862 490771 0 0 3 0x14200 bored softnet 20082 414167 0 0 3 0x14200 bored systqmp 59156 237620 0 0 3 0x14200 bored systq 91862 499031 0 0 3 0x40014200 bored softclock 28984 281736 0 0 3 0x40014200 idle0 1 134087 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper