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a98a900488
[ Upstream commit d73610211eec8aa027850982b1a48980aa1bc96e ] Here is the system crash log: [ 1272.884438] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1272.884444] IP: [< (null)>] (null) [ 1272.884447] PGD 825b09067 PUD 8267c8067 PMD 0 [ 1272.884452] Oops: 0010 [#1] SMP [ 1272.884509] CPU: 13 PID: 3485 Comm: cat Kdump: loaded Tainted: G [ 1272.884515] task: ffff9a38dbd4d140 ti: ffff9a37cd3b8000 task.ti: ffff9a37cd3b8000 [ 1272.884517] RIP: 0010:[<0000000000000000>] [< (null)>] (null) [ 1272.884520] RSP: 0018:ffff9a37cd3bbe68 EFLAGS: 00010203 [ 1272.884522] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000014d5f [ 1272.884524] RDX: fffffffffffffff4 RSI: 0000000000000001 RDI: ffff9a38aca4d200 [ 1272.884526] RBP: ffff9a37cd3bbed0 R08: ffff9a38dcd5f1a0 R09: ffff9a31ffc07300 [ 1272.884527] R10: ffff9a31ffc07300 R11: ffffffffaddd5e9d R12: ffff9a38b4e0fb00 [ 1272.884529] R13: 0000000000000001 R14: ffff9a37cd3bbf18 R15: ffff9a38aca4d200 [ 1272.884532] FS: 00007feccaa67740(0000) GS:ffff9a38dcd40000(0000) knlGS:0000000000000000 [ 1272.884534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1272.884536] CR2: 0000000000000000 CR3: 00000008267c0000 CR4: 00000000003407e0 [ 1272.884537] Call Trace: [ 1272.884544] [<ffffffffade68940>] ? seq_read+0x130/0x440 [ 1272.884548] [<ffffffffade40f8f>] vfs_read+0x9f/0x170 [ 1272.884552] [<ffffffffade41e4f>] SyS_read+0x7f/0xf0 [ 1272.884557] [<ffffffffae374ddb>] system_call_fastpath+0x22/0x27 [ 1272.884558] Code: Bad RIP value. [ 1272.884562] RIP [< (null)>] (null) [ 1272.884564] RSP <ffff9a37cd3bbe68> [ 1272.884566] CR2: 0000000000000000 Signed-off-by: Qu Huang <jinsdb@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| 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.