uvm_fault(0xffffff007f12b948, 0x48, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at sogetopt+0x3ae: testb $0x1,0x48(%r15)
ddb>
ddb> set $lines = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffff007f12b948, 0x48, 0, 1) -> e
sogetopt(ffffff006e490170,ffff8000210c2e20,ffffff006e705788,ffff8000210fa328) at sogetopt+0x3ae
end trace frame: 0xffff8000210fa2d0, count: 0
ddb> trace
sogetopt(ffffff006e490170,ffff8000210c2e20,ffffff006e705788,ffff8000210fa328) at sogetopt+0x3ae
sys_getsockopt(ffff8000210fa3b0,ffff8000210c2e20,ffff8000210a5010) at sys_getsockopt+0x13c
syscall(0) at syscall+0x3e4
Xsyscall(6,0,0,0,1,7f7ffffbebc8) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbeb80, count: -4
ddb> show registers
rdi 0xffffffff81e1ac30 netlock
rsi 0xffff __ALIGN_SIZE+0xefff
rbp 0xffff8000210fa270
rbx 0xffffff006d91ab00
rdx 0x1022 __ALIGN_SIZE+0x22
rcx 0x1
rax 0x1
r8 0xffffff006d91ab00
r9 0
r10 0x8b6ea16accbec4a8
r11 0xffffffff8186f430 pool_lock_mtx_leave
r12 0x1022 __ALIGN_SIZE+0x22
r13 0xffff __ALIGN_SIZE+0xefff
r14 0xffffff006d91ab00
r15 0
rip 0xffffffff81a25ffe sogetopt+0x3ae
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000210fa250
ss 0x10
sogetopt+0x3ae: testb $0x1,0x48(%r15)
ddb> show proc
PROC (syz-executor9364) pid=384203 stat=onproc
flags process=2<EXEC> proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000210c3078,0xffffffff81e956a0
process=0xffff8000210a5010 user=0xffff8000210f5000, vmspace=0xffffff007f12b948
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*56471 384203 74318 0 7 0x2 syz-executor9364
74318 452817 71580 0 3 0x10008a pause ksh
71580 260478 44287 0 3 0x92 select sshd
3879 246509 1 0 3 0x100083 ttyin getty
44287 510322 1 0 3 0x80 select sshd
21790 384146 60926 73 2 0x100090 syslogd
60926 492157 1 0 3 0x100082 netio syslogd
32316 148290 1 77 3 0x100090 poll dhclient
21967 349865 1 0 3 0x80 poll dhclient
21334 313344 0 0 2 0x14200 zerothread
55762 353713 0 0 3 0x14200 aiodoned aiodoned
35012 278323 0 0 3 0x14200 syncer update
10409 32443 0 0 3 0x14200 cleaner cleaner
58435 46163 0 0 3 0x14200 reaper reaper
70989 150172 0 0 3 0x14200 pgdaemon pagedaemon
25990 343055 0 0 3 0x14200 bored crynlk
33981 120958 0 0 3 0x14200 bored crypto
36834 151323 0 0 3 0x40014200 acpi0 acpi0
3014 500201 0 0 3 0x14200 bored softnet
565 511338 0 0 3 0x14200 bored systqmp
95081 211626 0 0 3 0x14200 bored systq
32606 177822 0 0 3 0x40014200 bored softclock
71050 236547 0 0 3 0x40014200 idle0
1 274328 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb>