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| Filename | Latest commit message | Latest commit date |
|---|---|---|
f612acfae8
syzkaller report this:
BUG: memory leak
unreferenced object 0xffffc9000488d000 (size 9195520):
comm "syz-executor.0", pid 2752, jiffies 4294787496 (age 18.757s)
hex dump (first 32 bytes):
ff ff ff ff ff ff ff ff a8 00 00 00 01 00 00 00 ................
02 00 00 00 00 00 00 00 80 a1 7a c1 ff ff ff ff ..........z.....
backtrace:
[<000000000863775c>] __vmalloc_node mm/vmalloc.c:1795 [inline]
[<000000000863775c>] __vmalloc_node_flags mm/vmalloc.c:1809 [inline]
[<000000000863775c>] vmalloc+0x8c/0xb0 mm/vmalloc.c:1831
[<000000003f668111>] kernel_read_file+0x58f/0x7d0 fs/exec.c:924
[<000000002385813f>] kernel_read_file_from_fd+0x49/0x80 fs/exec.c:993
[<0000000011953ff1>] __do_sys_finit_module+0x13b/0x2a0 kernel/module.c:3895
[<000000006f58491f>] do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290
[<00000000ee78baf4>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<00000000241f889b>] 0xffffffffffffffff
It should goto 'out_free' lable to free allocated buf while kernel_read
fails.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.