kernel warning at kern/src/printfmt.c:189, from core 1: _x && _x < ULIM
Stack Backtrace on Core 1:
#01 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009c54>] in _warn at src/init.c:326
#03 [<0xffffffffc20490f4>] in vprintfmt at src/printfmt.c:189
#04 [<0xffffffffc2049322>] in vsnprintf at src/printfmt.c:328
#05 [<0xffffffffc2058549>] in vset_errstr at src/syscall.c:509
#06 [<0xffffffffc205867b>] in set_error at src/syscall.c:542
#07 [<0xffffffffc207d6fe>] in kprof_write at drivers/dev/kprof.c:416
#08 [<0xffffffffc2040649>] in rwrite at src/ns/sysfile.c:1117
#09 [<0xffffffffc204089b>] in syswrite at src/ns/sysfile.c:1135
#10 [<0xffffffffc20593f9>] in sys_write at src/syscall.c:1785
#11 [<0xffffffffc2059f59>] in syscall at src/syscall.c:2577
#12 [<0xffffffffc205ab08>] in run_local_syscall at src/syscall.c:2614
#13 [<0xffffffffc205b049>] in prep_syscalls at src/syscall.c:2634
#14 [<0xffffffffc20ac912>] in sysenter_callwrapper at arch/x86/trap.c:877
Unhandled user trap in vcore context from VC 0
HW TRAP frame (partial) at 0xffffffffc8e383a0 on core 3
  rax  0x000000005a5a4e80
  rbx  0x0000300000006e90
  rcx  0x0000000000000150
  rdx  0x000010000000a4c0
  rbp  0x0000300000006e80
  rsi  0x000010000000a5c0
  rdi  0x000000005a5a4f80
  r8   0x000000005a5a5a5a
  r9   0x000000005a5a4e80
  r10  0x0000000000000000
  r11  0x0000000000000200
  r12  0x0000000000410050
  r13  0x000010000000a4c0
  r14  0x0000000000000004
  r15  0x00007f7fffa01200
  trap 0x0000000e Page Fault
  gsbs 0x0000000000000000
  fsbs 0x0000000000000000
  err  0x--------00000006
  rip  0x000000000040fe36
  cs   0x------------0023
  flag 0x0000000000010202
  rsp  0x0000300000006d80
  ss   0x------------001b
err 0x6 (for PFs: User 4, Wr 2, Rd 1), aux 0x000000005a5a4f80
Addr 0x000000000040fe36 is in syz-executor at offset 0x000000000000fe36
VM Regions for proc 93
NR:                                     Range:       Prot,      Flags,               File,                Off
00: (0x0000000000400000 - 0x00000000004b6000): 0x00000005, 0x00000001, 0xffff800014d18820, 0x0000000000000000
01: (0x00000000004b6000 - 0x00000000004b7000): 0x00000005, 0x00000002, 0xffff800014d18820, 0x00000000000b6000
02: (0x00000000006b6000 - 0x00000000006b9000): 0x00000003, 0x00000002, 0xffff800014d18820, 0x00000000000b6000
03: (0x00000000006b9000 - 0x00000000008e5000): 0x00000003, 0x00000002, 0x0000000000000000, 0x0000000000000000
04: (0x0000000020000000 - 0x0000000021000000): 0x00000007, 0x00000022, 0x0000000000000000, 0x0000000000000000
05: (0x0000100000000000 - 0x0000100000024000): 0x00000007, 0x00000022, 0x0000000000000000, 0x0000000000000000
06: (0x0000300000000000 - 0x0000300000001000): 0x00000003, 0x00000002, 0xffff800014d18820, 0x0000000000000000
07: (0x0000300000001000 - 0x0000300000005000): 0x00000003, 0x00000022, 0x0000000000000000, 0x0000000000000000
08: (0x0000300000005000 - 0x0000300000007000): 0x00000007, 0x00000022, 0x0000000000000000, 0x0000000000000000
09: (0x0000300000007000 - 0x0000300000019000): 0x00000003, 0x00000022, 0x0000000000000000, 0x0000000000000000
10: (0x0000300000019000 - 0x000030000005d000): 0x00000007, 0x00000022, 0x0000000000000000, 0x0000000000000000
11: (0x00007f7fff8ff000 - 0x00007f7fff9ff000): 0x00000003, 0x00000022, 0x0000000000000000, 0x0000000000000000
Backtrace of user context on Core 3:
	Offsets only matter for shared libraries
#01 Addr 0x000000000040fe36 is in syz-executor at offset 0x000000000000fe36
#02 Addr 0x000000000041025e is in syz-executor at offset 0x000000000001025e
#03 Addr 0x000000000041580d is in syz-executor at offset 0x000000000001580d
#04 Addr 0x00000000004080fb is in syz-executor at offset 0x00000000000080fb
#05 Addr 0x0000000000414c60 is in syz-executor at offset 0x0000000000014c60
#06 Addr 0x000000000040862a is in syz-executor at offset 0x000000000000862a
#07 Addr 0x0000000000404019 is in syz-executor at offset 0x0000000000004019
#08 Addr 0x000000000041498c is in syz-executor at offset 0x000000000001498c
#09 Addr 0x0000000000414991 is in syz-executor at offset 0x0000000000014991