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| Filename | Latest commit message | Latest commit date |
|---|---|---|
d184c65481
commit f1aff4bc199cb92c055668caed65505e3b4d2656 upstream. The blammed commit copied to argv the size of the reallocated argv, instead of the size of the old_argv, thus reading and copying from past the old_argv allocated memory. Following BUG_ON was hit: [ 3.038929][ T1] kernel BUG at lib/string_helpers.c:1040! [ 3.039147][ T1] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP ... [ 3.056489][ T1] Call trace: [ 3.056591][ T1] __fortify_panic+0x10/0x18 (P) [ 3.056773][ T1] dm_split_args+0x20c/0x210 [ 3.056942][ T1] dm_table_add_target+0x13c/0x360 [ 3.057132][ T1] table_load+0x110/0x3ac [ 3.057292][ T1] dm_ctl_ioctl+0x424/0x56c [ 3.057457][ T1] __arm64_sys_ioctl+0xa8/0xec [ 3.057634][ T1] invoke_syscall+0x58/0x10c [ 3.057804][ T1] el0_svc_common+0xa8/0xdc [ 3.057970][ T1] do_el0_svc+0x1c/0x28 [ 3.058123][ T1] el0_svc+0x50/0xac [ 3.058266][ T1] el0t_64_sync_handler+0x60/0xc4 [ 3.058452][ T1] el0t_64_sync+0x1b0/0x1b4 [ 3.058620][ T1] Code: f800865e a9bf7bfd 910003fd 941f48aa (d4210000) [ 3.058897][ T1] ---[ end trace 0000000000000000 ]--- [ 3.059083][ T1] Kernel panic - not syncing: Oops - BUG: Fatal exception Fix it by copying the size of src, and not the size of dst, as it was. Fixes: 5a2a6c428190 ("dm: always update the array size in realloc_argv on success") Cc: stable@vger.kernel.org Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.