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(ffffff00725ef078,ffff8000ffff6e30,ffffff006e70fd88,ffff80002112eae8,ffffff0072cf3e00) at ip_ctloutput+0x784 end trace frame: 0xffff80002112ea90, count: 0 ddb> trace ip_ctloutput(ffffff00725ef078,ffff8000ffff6e30,ffffff006e70fd88,ffff80002112eae8,ffffff0072cf3e00) at ip_ctloutput+0x784 sys_getsockopt(ffff80002112eb70,ffff8000ffff6e30,ffff80002105f980) at sys_getsockopt+0x13c syscall(0) at syscall+0x3e4 Xsyscall(6,0,ffffffffffffff66,0,5,12b36993010) at Xsyscall+0x128 end of kernel end trace frame: 0x12de4ceb270, count: -4 ddb> show registers rdi 0 rsi 0xffffffff811b34f4 ip_ctloutput+0x784 rbp 0xffff80002112ea30 rbx 0 rdx 0xffff800001ace000 rcx 0x5c rax 0xffff800001ace000 r8 0xffffff0072cf3e00 r9 0 r10 0xbcfd0a2d6b8a3288 r11 0xffffffff8170d810 rip_ctloutput r12 0x1 r13 0 r14 0 r15 0xffffff0072cf3e00 rip 0xffffffff811b34f4 ip_ctloutput+0x784 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002112ea00 ss 0x10 ip_ctloutput+0x784: movq 0xd0(%r14),%rbx ddb> show proc PROC (syz-executor1) pid=89753 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff7538,0xffffffff81eafaa0 process=0xffff80002105f980 user=0xffff800021129000, vmspace=0xffffff007f12bd68 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77355 345138 85448 0 2 0 syz-executor1 *77355 89753 85448 0 7 0x4000000 syz-executor1 79397 149838 24156 0 2 0x2 syz-executor0 2322 309681 0 0 3 0x14200 bored sosplice 85448 342377 24156 0 3 0x82 nanosleep syz-executor1 24156 140410 52852 0 3 0x82 thrsleep syz-fuzzer 24156 88639 52852 0 3 0x4000082 nanosleep syz-fuzzer 24156 437870 52852 0 3 0x4000082 thrsleep syz-fuzzer 24156 478521 52852 0 3 0x4000082 kqread syz-fuzzer 24156 69552 52852 0 3 0x4000082 thrsleep syz-fuzzer 24156 476749 52852 0 3 0x4000082 thrsleep syz-fuzzer 24156 315707 52852 0 3 0x4000082 thrsleep syz-fuzzer 52852 461593 29402 0 3 0x10008a pause ksh 29402 301013 99708 0 3 0x92 select sshd 1577 53995 1 0 3 0x100083 ttyin getty 99708 519578 1 0 3 0x80 select sshd 45155 424204 93848 73 2 0x100090 syslogd 93848 329702 1 0 3 0x100082 netio syslogd 87834 97231 1 77 3 0x100090 poll dhclient 466 348829 1 0 3 0x80 poll dhclient 27808 134131 0 0 2 0x14200 zerothread 77709 466229 0 0 3 0x14200 aiodoned aiodoned 88597 364365 0 0 3 0x14200 syncer update 24487 429935 0 0 3 0x14200 cleaner cleaner 88740 385848 0 0 3 0x14200 reaper reaper 36751 523490 0 0 3 0x14200 pgdaemon pagedaemon 18028 147674 0 0 3 0x14200 bored crynlk 87757 98034 0 0 3 0x14200 bored crypto 61139 495462 0 0 3 0x40014200 acpi0 acpi0 55198 358 0 0 3 0x14200 bored softnet 52806 124685 0 0 3 0x14200 bored systqmp 89420 413917 0 0 3 0x14200 bored systq 41719 467506 0 0 3 0x40014200 bored softclock 92980 305922 0 0 3 0x40014200 idle0 1 213473 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper