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Re: [PATCH-for-5.2 0/4] misc: Trivial format string fixes


From: Greg Kurz
Subject: Re: [PATCH-for-5.2 0/4] misc: Trivial format string fixes
Date: Tue, 3 Nov 2020 16:20:19 +0100

On Tue, 3 Nov 2020 15:28:11 +0100
Philippe Mathieu-Daudé <philmd@redhat.com> wrote:

> On 11/3/20 3:03 PM, Dov Murik wrote:
> > 
> > On 03/11/2020 15:58, Dov Murik wrote:
> >> On 03/11/2020 13:25, Philippe Mathieu-Daudé wrote:
> >>> IIUC qemu-trivial@ doesn't queue patches during freeze,
> >>>
> >>> so it might be easier if patches are queued by respective
> >>>
> >>> subsystem maintainers.
> >>>
> >>>
> >>>
> >>> Philippe Mathieu-Daudé (4):
> >>>
> >>>    hw/display/cirrus_vga: Remove debugging code commented out
> >>>
> >>>    hw/display/cirrus_vga: Fix hexadecimal format string specifier
> >>>
> >>>    hw/ppc/spapr_tpm_proxy: Fix hexadecimal format string specifier
> >>>
> >>>    migration/ram: Fix hexadecimal format string specifier
> >>>
> >>>
> >>>
> >>>   hw/display/cirrus_vga.c | 20 +-------------------
> >>>
> >>>   migration/ram.c         |  2 +-
> >>>
> >>>   hw/ppc/trace-events     |  2 +-
> >>>
> >>>   3 files changed, 3 insertions(+), 21 deletions(-)
> >>>
> >>>
> >>>
> >>
> >>
> >> There's at least one more easy fix:
> >>
> >> hw/misc/trace-events:106:mos6522_get_next_irq_time(uint16_t latch,
> >> int64_t d, int64_t delta) "latch=%d counter=0x%"PRId64 "
> >> delta_next=0x%"PRId64
> 
> Indeed.
> 
> >>
> >> but I have no idea how to test this.
> >>
> >> -Dov
> >>
> > 
> > ... and one more in hw/usb/u2f-passthru.c:348 :
> > 
> >         error_report("%s: Bad written size (req 0x%zu, val 0x%zd)",
> >                      TYPE_U2F_PASSTHRU, sizeof(host_packet), written);
> 
> 'written' is signed, so this format looks correct...
> 

Irrespective of the sign, u and d shouldn't be used behind 0x 

> > 
> > Again, I have no idea how to test/trigger these areas in the code.
> > 
> > -Dov
> > 
> 
> 




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