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ed50e1600b
This patch is fixing memory leak reported by Syzkaller:
BUG: memory leak unreferenced object 0xffff888067f65500 (size 4096):
comm "syz-executor043", pid 454, jiffies 4294759719 (age 11.930s)
hex dump (first 32 bytes):
73 6c 63 61 6e 30 00 00 00 00 00 00 00 00 00 00 slcan0..........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000a06eec0d>] __kmalloc+0x18b/0x2c0
[<0000000083306e66>] kvmalloc_node+0x3a/0xc0
[<000000006ac27f87>] alloc_netdev_mqs+0x17a/0x1080
[<0000000061a996c9>] slcan_open+0x3ae/0x9a0
[<000000001226f0f9>] tty_ldisc_open.isra.1+0x76/0xc0
[<0000000019289631>] tty_set_ldisc+0x28c/0x5f0
[<000000004de5a617>] tty_ioctl+0x48d/0x1590
[<00000000daef496f>] do_vfs_ioctl+0x1c7/0x1510
[<0000000059068dbc>] ksys_ioctl+0x99/0xb0
[<000000009a6eb334>] __x64_sys_ioctl+0x78/0xb0
[<0000000053d0332e>] do_syscall_64+0x16f/0x580
[<0000000021b83b99>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[<000000008ea75434>] 0xffffffffffffffff
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jouni Hogander <jouni.hogander@unikie.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| 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.