On Monday, March 1, 2021 at 8:49:34 PM UTC+5:30 Florian Bezdeka wrote:

> This is the backport for upstream (openembedded-core) 
> eecbe6255584 ("wic: Warn if an ext filesystem affected by the Y2038 
> problem is used") 
>

I believe we could uprev wic to a version that includes this patch, instead 
of cherry-picking this.

Thanks,
Vijai Kumar K
 

>
> We are getting closer and closer to the year 2038 where the 32 bit 
> time_t overflow will happen. While products (= embedded systems) with an 
> expected life time of 15 years are still save the situation may change 
> if your system has to survive the next 20 years. 
>
> ext2 and ext3 filesystems are always affected by the time overflow, so 
> let's warn the user if these filesystems are still being used. 
>
> If ext4 is affected depends on the inode size chosen during filesystem 
> creation. At least 256 bytes are necessary to be safe. As ext4 is 
> used very often (and partitions may be created small first and extended 
> later) this might be an issue for many users. 
>
> Signed-off-by: Florian Bezdeka <florian...@siemens.com> 
> --- 
> scripts/lib/wic/misc.py | 1 + 
> scripts/lib/wic/partition.py | 15 +++++++-------- 
> 2 files changed, 8 insertions(+), 8 deletions(-) 
>
> diff --git a/scripts/lib/wic/misc.py b/scripts/lib/wic/misc.py 
> index 4b08d64..c4332d5 100644 
> --- a/scripts/lib/wic/misc.py 
> +++ b/scripts/lib/wic/misc.py 
> @@ -26,6 +26,7 @@ logger = logging.getLogger('wic') 
>
> # executable -> recipe pairs for exec_native_cmd 
> NATIVE_RECIPES = {"bmaptool": "bmap-tools", 
> + "dumpe2fs": "e2fsprogs", 
> "grub-mkimage": "grub-efi", 
> "isohybrid": "syslinux", 
> "mcopy": "mtools", 
> diff --git a/scripts/lib/wic/partition.py b/scripts/lib/wic/partition.py 
> index 4a5a31e..e6bcc9e 100644 
> --- a/scripts/lib/wic/partition.py 
> +++ b/scripts/lib/wic/partition.py 
> @@ -432,26 +432,25 @@ class Partition(): 
> if part.mountpoint: 
> args = [part.fstype, "mounted at %s" % part.mountpoint] 
> elif part.label: 
> - args = [part.fstype, "labeled %s" % part.label] 
> + args = [part.fstype, "labeled '%s'" % part.label] 
> elif part.part_name: 
> - args = [part.fstype, "in partition %s" % part.part_name] 
> + args = [part.fstype, "in partition '%s'" % part.part_name] 
> else: 
> - args = [part.fstype, ""] 
> + args = [part.fstype, "in partition %s" % part.num] 
> return err.format(*args) 
>
> - ret, out = exec_native_cmd("dumpe2fs %s" % rootfs, native_sysroot) 
> - 
> # ext2 and ext3 are always affected by the Y2038 problem 
> if self.fstype in ["ext2", "ext3"]: 
> logger.warn(get_err_str(self)) 
> return 
>
> + ret, out = exec_native_cmd("dumpe2fs %s" % rootfs, native_sysroot) 
> + 
> # if ext4 is affected by the Y2038 problem depends on the inode size 
> - # Remember: inode size depends on the file system size 
> for line in out.splitlines(): 
> if line.startswith("Inode size:"): 
> size = int(line.split(":")[1].strip()) 
> if size < 256: 
> - logger.warn("%s Inodes (of size %d) are too small." % \ 
> + logger.warn("%s Inodes (of size %d) are too small." % 
> (get_err_str(self), size)) 
> - break 
> \ No newline at end of file 
> + break 
> -- 
> 2.29.2 
>
>