Re: [PATCH] x86/hvm: Fix UBSAN failure in do_hvm_op() printk

2024-01-31 Thread Jan Beulich
On 30.01.2024 19:37, Andrew Cooper wrote: > Tamas reported this UBSAN failure from fuzzing: > > (XEN) > > (XEN) UBSAN: Undefined behaviour in common/vsprintf.c:64:19 > (XEN) negation of -9223372036854775808

[PATCH] x86/hvm: Fix UBSAN failure in do_hvm_op() printk

2024-01-30 Thread Andrew Cooper
Tamas reported this UBSAN failure from fuzzing: (XEN) (XEN) UBSAN: Undefined behaviour in common/vsprintf.c:64:19 (XEN) negation of -9223372036854775808 cannot be represented in type 'long long int': (XEN)