kernel panic at kern/arch/x86/trap.c:325, from core 1: Proc-ful Page Fault in the Kernel at 0x00000000200000c0!
HW TRAP frame at 0xfffffff0010e2bb0 on core 1
  rax  0x00008000178ce4a0
  rbx  0x00000000200000c0
  rcx  0x0000000000000005
  rdx  0x000000000000002e
  rbp  0xfffffff0010e2c88
  rsi  0xffff800008731c20
  rdi  0x00000000200000c0
  r8   0x0000000000000225
  r9   0xffffffffc20d255d
  r10  0x000010000000a4c0
  r11  0xffffffffc20d253c
  r12  0x000000000000002e
  r13  0x00000000200000c0
  r14  0xffff800008731c20
12:42:35 executing program 6:
mkdir(&(0x7f0000000040)='./file0\x00', 0x8, 0x9)
symlink(&(0x7f0000000000)='./file0\x00', 0x8, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1)
openat$proc_self_wait(0xffffffffffffff9c, &(0x7f0000000000), 0x10, 0x1, 0x0)
  r15  0xffff800008731c20
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc8f79dc0
  fsbs 0x0000000000000000
  err  0x--------00000003
  rip  0xffffffffc20b4daa
  cs   0x------------0008
  flag 0x0000000000010207
  rsp  0xfffffff0010e2c70
  ss   0x------------0010
Backtrace of kernel context on Core 1:
#01 [<0xffffffffc20b4daa>] in bcopy at arch/x86/support64.S:54
#02 [<     [inline]     >] in readmem at src/ns/util.c:17
#02 [<0xffffffffc2045689>] in readstr at src/ns/util.c:51
#03 [<     [inline]     >] in mpstat_read at drivers/dev/kprof.c:287
#03 [<0xffffffffc207d32a>] in kprof_read at drivers/dev/kprof.c:346
#04 [<0xffffffffc203fe9d>] in rread at src/ns/sysfile.c:772
#05 [<0xffffffffc20401fb>] in sysread at src/ns/sysfile.c:830
#06 [<0xffffffffc20593e9>] in sys_read at src/syscall.c:1786
#07 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#08 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#09 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#10 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932
12:42:38 executing program 7:
fcntl$F_SYNC(0xffffffffffffff9c, 0x65)
r0 = openat$dev_empty(0xffffffffffffff9c, &(0x7f0000000000), 0xc, 0x3, 0x0)
r1 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x8, 0x100000, 0xc0)
r2 = openat$net_ether0_clone(0xffffffffffffff9c, &(0x7f0000000080), 0x12, 0x3, 0x0)
nmount(r1, &(0x7f00000000c0)='./file0\x00', 0x8, 0x10)
fcntl$F_SETFL(r0, 0x4, 0x8400)
fcntl$F_GETFL(r2, 0x3)
tcgetattr(r1, &(0x7f0000000100))
r3 = openat$proc_self_profile(0xffffffffffffff9c, &(0x7f0000000140), 0x13, 0x1, 0x0)
fcntl$F_SETFL(r3, 0x4, 0x400)
r4 = openat$net_arp(0xffffffffffffff9c, &(0x7f0000000180), 0x9, 0x3, 0x0)
read(r4, &(0x7f00000001c0)=""/125, 0x7d)
openat$net_ipselftab(0xffffffffffffff9c, &(0x7f0000000240), 0xf, 0x1, 0x0)
symlink(&(0x7f0000000280)='./file0\x00', 0x8, &(0x7f00000002c0)='./file0\x00', 0x8)
r5 = openat$net_udp_0_local(0xffffffffffffff9c, &(0x7f0000000300), 0x11, 0x1, 0x0)
r6 = openat$prof_kpctl(0xffffffffffffff9c, &(0x7f0000000340), 0xc, 0x3, 0x0)
r7 = fcntl$F_DUPFD(r5, 0x0, r6, 0x1)
tcgetattr(r0, &(0x7f0000000380))
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3000004, 0x38830, r7, 0x80000001)
openat$net_ether0_1_type(0xffffffffffffff9c, &(0x7f00000003c0), 0x13, 0x1, 0x0)