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- C 98.2%
- Assembly 1%
- Makefile 0.3%
- Shell 0.2%
- Python 0.1%
| Filename | Latest commit message | Latest commit date |
|---|---|---|
7a3d6a5dfc
[ Upstream commit e246b7c035d74abfb3507fa10082d0c42cc016c3 ]
As part of the cma_dev release, that pointer will be set to NULL. In case
it happens in rdma_bind_addr() (part of an error flow), the next call to
addr_handler() will have a call to cma_acquire_dev_by_src_ip() which will
overwrite sgid_attr without releasing it.
WARNING: CPU: 2 PID: 108 at drivers/infiniband/core/cma.c:606 cma_bind_sgid_attr drivers/infiniband/core/cma.c:606 [inline]
WARNING: CPU: 2 PID: 108 at drivers/infiniband/core/cma.c:606 cma_acquire_dev_by_src_ip+0x470/0x4b0 drivers/infiniband/core/cma.c:649
CPU: 2 PID: 108 Comm: kworker/u8:1 Not tainted 5.10.0-rc6+ #257
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Workqueue: ib_addr process_one_req
RIP: 0010:cma_bind_sgid_attr drivers/infiniband/core/cma.c:606 [inline]
RIP: 0010:cma_acquire_dev_by_src_ip+0x470/0x4b0 drivers/infiniband/core/cma.c:649
Code: 66 d9 4a ff 4d 8b 6e 10 49 8d bd 1c 08 00 00 e8 b6 d6 4a ff 45 0f b6 bd 1c 08 00 00 41 83 e7 01 e9 49 fd ff ff e8 90 c5 29 ff <0f> 0b e9 80 fe ff ff e8 84 c5 29 ff 4c 89 f7 e8 2c d9 4a ff 4d 8b
RSP: 0018:ffff8881047c7b40 EFLAGS: 00010293
RAX: ffff888104789c80 RBX: 0000000000000001 RCX: ffffffff820b8ef8
RDX: 0000000000000000 RSI: ffffffff820b9080 RDI: ffff88810cd4c998
RBP: ffff8881047c7c08 R08: ffff888104789c80 R09: ffffed10209f4036
R10: ffff888104fa01ab R11: ffffed10209f4035 R12: ffff88810cd4c800
R13: ffff888105750e28 R14: ffff888108f0a100 R15: ffff88810cd4c998
FS: 0000000000000000(0000) GS:ffff888119c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000104e60005 CR4: 0000000000370ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
addr_handler+0x266/0x350 drivers/infiniband/core/cma.c:3190
process_one_req+0xa3/0x300 drivers/infiniband/core/addr.c:645
process_one_work+0x54c/0x930 kernel/workqueue.c:2272
worker_thread+0x82/0x830 kernel/workqueue.c:2418
kthread+0x1ca/0x220 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Fixes:
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| arch | ||
| block | ||
| 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.