https://github.com/torvalds/linux
Revision 4340f42f207eacb81e7a6b6bb1e3b6afad9a2e26 authored by Jiri Pirko on 21 May 2020, 12:11:44 UTC, committed by David S. Miller on 22 May 2020, 23:08:14 UTC
In case of reload fail, the mlxsw_sp->ports contains a pointer to a
freed memory (either by reload_down() or reload_up() error path).
Fix this by initializing the pointer to NULL and checking it before
dereferencing in split/unsplit/type_set callpaths.
Fixes: 24cc68ad6c46 ("mlxsw: core: Add support for reload")
Reported-by: Danielle Ratson <danieller@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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History 
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Tip revision: 4340f42f207eacb81e7a6b6bb1e3b6afad9a2e26 authored by Jiri Pirko on 21 May 2020, 12:11:44 UTC
mlxsw: spectrum: Fix use-after-free of split/unsplit/type_set in case reload fails
mlxsw: spectrum: Fix use-after-free of split/unsplit/type_set in case reload fails
Tip revision: 4340f42
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 15.8 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 71 bytes |
| .gitattributes | -rw-r--r-- | 62 bytes |
| .gitignore | -rw-r--r-- | 1.7 KB |
| .mailmap | -rw-r--r-- | 15.1 KB |
| COPYING | -rw-r--r-- | 496 bytes |
| CREDITS | -rw-r--r-- | 97.4 KB |
| Kbuild | -rw-r--r-- | 1.3 KB |
| Kconfig | -rw-r--r-- | 595 bytes |
| MAINTAINERS | -rw-r--r-- | 539.1 KB |
| Makefile | -rw-r--r-- | 60.3 KB |
| README | -rw-r--r-- | 727 bytes |
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