kernel panic at kern/arch/x86/trap.c:325, from core 1: Proc-ful Page Fault in the Kernel at 0x0000000020000080!
HW TRAP frame at 0xfffffff0010b5be0 on core 1
  rax  0x000080001c981060
  rbx  0x0000000020000080
  rcx  0x0000000000000002
  rdx  0x0000000000000014
  rbp  0xfffffff0010b5cb8
  rsi  0xffff80000367f020
  rdi  0x0000000020000080
  r8   0x0000000000000014
  r9   0x0000000000000020
  r10  0x0000000000008000
  r11  0xffffffffc20c41f5
  r12  0x0000000000000014
  r13  0x0000000020000080
  r14  0xffff80000367f020
  r15  0xffff80000367f020
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc8f79dc0
  fsbs 0x0000000000000000
  err  0x--------00000003
  rip  0xffffffffc20b4daa
  cs   0x------------0008
  flag 0x0000000000010203
  rsp  0xfffffff0010b5ca0
  ss   0x------------0010
Backtrace of kernel context on Core 1:
#01 [<0xffffffffc20b4daa>] in bcopy at arch/x86/support64.S:54
#02 [<     [inline]     >] in readmem at src/ns/util.c:17
#02 [<0xffffffffc2045689>] in readstr at src/ns/util.c:51
#03 [<0xffffffffc2015357>] in ipread at src/net/devip.c:890
#04 [<0xffffffffc203fe9d>] in rread at src/ns/sysfile.c:772
#05 [<0xffffffffc20401fb>] in sysread at src/ns/sysfile.c:830
#06 [<0xffffffffc20593e9>] in sys_read at src/syscall.c:1786
#07 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#08 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#09 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#10 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932
07:02:59 executing program 0:
close(0xffffffffffffffff)
r0 = openat$prof_mpstat(0xffffffffffffff9c, &(0x7f0000000000), 0xd, 0x3, 0x0)
read(r0, &(0x7f0000000040)=""/215, 0xd7)
openat$proc_self_text(0xffffffffffffff9c, &(0x7f0000000140), 0x10, 0x1, 0x0)
r1 = openat$net_ipifc_0_snoop(0xffffffffffffff9c, &(0x7f0000000180), 0x13, 0x1, 0x0)
r2 = openat$net_ipifc_0_remote(0xffffffffffffff9c, &(0x7f00000001c0), 0x14, 0x1, 0x0)
openat(r2, &(0x7f0000000200)='./file0\x00', 0x8, 0x10000, 0x0)
read(0xffffffffffffffff, &(0x7f0000000240)=""/4096, 0x1000)
abort_sysc_fd(r2)
r3 = openat$proc_self_status(0xffffffffffffff9c, &(0x7f0000001240), 0x12, 0x1, 0x0)
openat$net_ether0_1_type(0xffffffffffffff9c, &(0x7f0000001280), 0x13, 0x1, 0x0)
openat$proc_self_profile(0xffffffffffffff9c, &(0x7f00000012c0), 0x13, 0x1, 0x0)
fcntl$F_SETFL(r2, 0x4, 0x100400)
tcgetattr(r3, &(0x7f0000001300))
close(r0)
r4 = openat$net_tcp_0_err(0xffffffffffffff9c, &(0x7f0000001340), 0xf, 0x3, 0x0)
abort_sysc_fd(r4)
read(r1, &(0x7f0000001380)=""/166, 0xa6)
openat$net_ether0_clone(0xffffffffffffff9c, &(0x7f0000001440), 0x12, 0x3, 0x0)
mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x4, 0x912, 0xffffffffffffffff, 0x29)
07:03:04 executing program 0:
tcgetattr(0xffffffffffffffff, &(0x7f0000000000))
mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1)
openat$net_udp_0_listen(0xffffffffffffff9c, &(0x7f0000000000), 0x12, 0x3, 0x0)
r0 = openat$dev_klog(0xffffffffffffff9c, &(0x7f0000000140), 0xa, 0x1, 0x0)
fcntl$F_GETFL(r0, 0x3)