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Fix a possible out-of-bounds access in function ifdown():
ifdown.c: In function 'ifdown':
ifdown.c:56:4: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation]
56 | strncpy(ifr.ifr_name, ifp->if_name, IFNAMSIZ);
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Fix resourceleek in ifdown function when error occur.
Signed-off-by: YoungHyun Yoo <yooyoo.yoo@samsung.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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These 2 "uncommon" include pathes are the first stumbling blocks
to build kexec-tools against klibc.
Of course more is needed, but this is a first step.
On the klibc step there is still stuff needed, but
it is already possible with hacks as Oppenembedded shows.
Signed-off-by: maximilian attems <max@stro.at>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Hello,
We've got a bug report of random memory corruption when using kexec.
The test case to reproduce the problem sets up bonding between two
tg3 NICs and transmits some data just before calling kexec to boot
the new kernel. Around one in every one hundred boots would crash
early with different signatures.
We confirmed that the patch below resolves the problem. Please, could
you review and consider it for upstream inclusion?
Thanks,
Leonardo
Before executing the new kernel, kexec disables all network interfaces
to prevent problems like random memory corruption caused by in flight
DMAs.
The current algorithm uses the SIOCGIFCONF to enumerate all interfaces
before shutting them down. However, this ioctl returns only the interfaces
that have an IP address set. This means that in some setups, kexec may
skip interfaces that are up and running. A common example is in bonding,
where the enslaved interfaces are up but may not have an IP address
configured.
This patch replaces SIOCGIFCONF with if_nameindex() to enumerate all
network interfaces available, regardless of having an IP address set
or not.
Signed-off-by: Leonardo Chiquitto <lchiquitto@novell.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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- Initial import into git
- initial nbi image formage support
- ppc32 initial register setting fixes.
- gzipped multiboot file support
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