https://github.com/torvalds/linux
The nsid value is a u32 that comes from nvmet_req_find_ns(). It's endian data and we're on an error path and both of those raise red flags. So let's make this safer. 1) Make the buffer large enough for any u32. 2) Remove the unnecessary initialization. 3) Use snprintf() instead of sprintf() for even more safety. 4) The sprintf() function returns the number of bytes printed, not counting the NUL terminator. It is impossible for the return value to be <= 0 so delete that. Fixes: 505363957fad ("nvmet: fix nvme status code when namespace is disabled") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>
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- v2.6.18-rc4
- v2.6.18-rc3
- v2.6.18-rc2
- v2.6.18-rc1
- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
- v2.6.17-rc3
- v2.6.17-rc2
- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
- v2.6.16-rc5
- v2.6.16-rc4
- v2.6.16-rc3
- v2.6.16-rc2
- v2.6.16-rc1
- v2.6.16
- v2.6.15-rc7
- v2.6.15-rc6
- v2.6.15-rc5
- v2.6.15-rc4
- v2.6.15-rc3
- v2.6.15-rc2
- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
- v2.6.14-rc2
- v2.6.14-rc1
- v2.6.14
- v2.6.13-rc7
- v2.6.13-rc6
- v2.6.13-rc5
- v2.6.13-rc4
- v2.6.13-rc3
- v2.6.13-rc2
- v2.6.13-rc1
- v2.6.13
- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
- v2.6.12-rc3
- v2.6.12-rc2
- v2.6.12
- v2.6.11-tree
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nvmet: prevent sprintf() overflow in nvmet_subsys_nsid_exists()
File | Mode | Size |
---|---|---|
Documentation | ||
LICENSES | ||
arch | ||
block | ||
certs | ||
crypto | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | -rw-r--r-- | 21.7 KB |
.cocciconfig | -rw-r--r-- | 59 bytes |
.editorconfig | -rw-r--r-- | 672 bytes |
.get_maintainer.ignore | -rw-r--r-- | 194 bytes |
.gitattributes | -rw-r--r-- | 105 bytes |
.gitignore | -rw-r--r-- | 2.0 KB |
.mailmap | -rw-r--r-- | 38.0 KB |
.rustfmt.toml | -rw-r--r-- | 369 bytes |
COPYING | -rw-r--r-- | 496 bytes |
CREDITS | -rw-r--r-- | 101.8 KB |
Kbuild | -rw-r--r-- | 2.5 KB |
Kconfig | -rw-r--r-- | 555 bytes |
MAINTAINERS | -rw-r--r-- | 730.0 KB |
Makefile | -rw-r--r-- | 66.2 KB |
README | -rw-r--r-- | 726 bytes |
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