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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2025-04-22 14:55:38 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2025-04-25 17:46:06 -0300 |
| commit | 4f6cfce9003dc781cbc5394b4f955bee0209e21a (patch) | |
| tree | e86efc246da70827144bb004100db89aae73c49e | |
| parent | 3ef5cc0479c27f5f33a1fe50f8dc277b218b949b (diff) | |
| download | glibc-4f6cfce9003dc781cbc5394b4f955bee0209e21a.tar.xz glibc-4f6cfce9003dc781cbc5394b4f955bee0209e21a.zip | |
sunrpc: Fix UB on xdr_hyper
ubsan triggers:
UBSAN: Undefined behaviour in xdr.c:262:28 left shift of 18446744073709551615 by 32 cannot be represented in type 'long int'
Fix by using unsigned type cast for left shift.
| -rw-r--r-- | sunrpc/xdr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sunrpc/xdr.c b/sunrpc/xdr.c index a76094d6da..b7b139520e 100644 --- a/sunrpc/xdr.c +++ b/sunrpc/xdr.c @@ -259,7 +259,7 @@ xdr_hyper (XDR *xdrs, quad_t *llp) { if (!XDR_GETLONG(xdrs, &t1) || !XDR_GETLONG(xdrs, &t2)) return FALSE; - *llp = ((quad_t) t1) << 32; + *llp = ((u_quad_t) t1) << 32; *llp |= (uint32_t) t2; return TRUE; } |