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38f7e1c0c4
BUG: kernel NULL pointer dereference, address: 00000000000000b8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 80000008b6fef067 P4D 80000008b6fef067 PUD 8b6fe6067 PMD 0 Oops: 0000 [#1] SMP PTI CPU: 12 PID: 23871 Comm: kworker/12:80 Kdump: loaded Tainted: G S 5.9.0-rc3+ #1 Hardware name: Supermicro X10SRA-F/X10SRA-F, BIOS 2.1 03/29/2018 Workqueue: events tx_work_handler [tls] RIP: 0010:tx_work_handler+0x1b/0x70 [tls] Code: dc fe ff ff e8 16 d4 a3 f6 66 0f 1f 44 00 00 0f 1f 44 00 00 55 53 48 8b 6f 58 48 8b bd a0 04 00 00 48 85 ff 74 1c 48 8b 47 28 <48> 8b 90 b8 00 00 00 83 e2 02 75 0c f0 48 0f ba b0 b8 00 00 00 00 RSP: 0018:ffffa44ace61fe88 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff91da9e45cc30 RCX: dead000000000122 RDX: 0000000000000001 RSI: ffff91da9e45cc38 RDI: ffff91d95efac200 RBP: ffff91da133fd780 R08: 0000000000000000 R09: 000073746e657665 R10: 8080808080808080 R11: 0000000000000000 R12: ffff91dad7d30700 R13: ffff91dab6561080 R14: 0ffff91dad7d3070 R15: ffff91da9e45cc38 FS: 0000000000000000(0000) GS:ffff91dad7d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000b8 CR3: 0000000906478003 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0x1a7/0x370 worker_thread+0x30/0x370 ? process_one_work+0x370/0x370 kthread+0x114/0x130 ? kthread_park+0x80/0x80 ret_from_fork+0x22/0x30 tls_sw_release_resources_tx() waits for encrypt_pending, which can have race, so we need similar changes as in commit |
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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.