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| Filename | Latest commit message | Latest commit date |
|---|---|---|
81ddd8c0c5
Reviewed-by: Jeff Layton <jlayton@redhat.com>
CC: Stable <stable@vger.kernel.org>
file_info_lock is not initalized in initiate_cifs_search(), leading to the
following splat after a simple "mount.cifs ... dir && ls dir/":
BUG: spinlock bad magic on CPU#0, ls/486
lock: 0xffff880009301110, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
CPU: 0 PID: 486 Comm: ls Not tainted 4.9.0 #27
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
ffffc900042f3db0 ffffffff81327533 0000000000000000 ffff880009301110
ffffc900042f3dd0 ffffffff810baf75 ffff880009301110 ffffffff817ae077
ffffc900042f3df0 ffffffff810baff6 ffff880009301110 ffff880008d69900
Call Trace:
[<ffffffff81327533>] dump_stack+0x65/0x92
[<ffffffff810baf75>] spin_dump+0x85/0xe0
[<ffffffff810baff6>] spin_bug+0x26/0x30
[<ffffffff810bb159>] do_raw_spin_lock+0xe9/0x130
[<ffffffff8159ad2f>] _raw_spin_lock+0x1f/0x30
[<ffffffff8127e50d>] cifs_closedir+0x4d/0x100
[<ffffffff81181cfd>] __fput+0x5d/0x160
[<ffffffff81181e3e>] ____fput+0xe/0x10
[<ffffffff8109410e>] task_work_run+0x7e/0xa0
[<ffffffff81002512>] exit_to_usermode_loop+0x92/0xa0
[<ffffffff810026f9>] syscall_return_slowpath+0x49/0x50
[<ffffffff8159b484>] entry_SYSCALL_64_fastpath+0xa7/0xa9
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.