Hello!
Testing upstream busybox (bee252057c7ac69909b8aafeafb8e414e34c7685)
and found issue with ip utility:
```
./busybox_unstripped ip r s /::
networking/libiproute/utils.c:260:28: runtime error: left shift of
negative value -1
=================================================================
==98540==ERROR: AddressSanitizer: negative-size-param: (size=-4)
#0 0x710d4aacc56a in MemcmpInterceptorCommon(void*, int (*)(void
const*, void const*, unsigned long), void const*, void const*,
unsigned long)
../../.././libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:813
#1 0x710d4aacc6f3 in memcmp
../../.././libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:845
#2 0x710d4aacc6f3 in memcmp
../../.././libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:840
#3 0x613c9c99463b in inet_addr_match networking/libiproute/utils.c:260
Address 0x710d47e00024 is located in stack of thread T0 at offset 36 in frame
#0 0x613c9c981bed in print_route networking/libiproute/iproute.c:69
This frame has 3 object(s):
[32, 52) 'dst' (line 73) <== Memory access at offset 36 is inside
this variable
[96, 116) 'src' (line 74)
[160, 408) 'tb' (line 72)
HINT: this may be a false positive if your program uses some custom
stack unwind mechanism, swapcontext or vfork
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: negative-size-param
../../.././libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:813
in MemcmpInterceptorCommon(void*, int (*)(void const*, void const*,
unsigned long), void const*, void const*, unsigned long)
==98540==ABORTING
```
Does anyone face this problem?
P.S. Can't use bugtracker(
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