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04567caf96
For some reason when introducing the fixed commit the "active_pds" and
"active_ahs" descriptors got dropped, which lead to the following panic
when trying to access the first entry in the descriptors.
bnxt_re: Broadcom NetXtreme-C/E RoCE Driver
BUG: kernel NULL pointer dereference, address: 0000000000000000
CPU: 2 PID: 594 Comm: kworker/u32:1 Not tainted 5.15.0-rc6+ #2
Hardware name: Dell Inc. PowerEdge R430/0CN7X8, BIOS 2.12.1 12/07/2020
Workqueue: bnxt_re bnxt_re_task [bnxt_re]
RIP: 0010:strlen+0x0/0x20
Code: 48 89 f9 74 09 48 83 c1 01 80 39 00 75 f7 31 d2 44 0f b6 04 16 44 88 04 11 48 83 c2 01 45 84 c0 75 ee c3 0f 1f 80 00 00 00 00 <80> 3f 00 74 10 48 89 f8 48 83 c0 01 80 31
RSP: 0018:ffffb25fc47dfbb0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000008100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000fffffff4 R09: 0000000000000000
R10: ffff8a05c71fc028 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8a05c3dee800
FS: 0000000000000000(0000) GS:ffff8a092fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000048d3da001 CR4: 00000000001706e0
Call Trace:
kernfs_name_hash+0x12/0x80
kernfs_find_ns+0x35/0xd0
kernfs_remove_by_name_ns+0x32/0x90
remove_files+0x2b/0x60
create_files+0x1d3/0x1f0
internal_create_group+0x17b/0x1f0
internal_create_groups.part.0+0x3d/0xa0
setup_port+0x180/0x3b0 [ib_core]
? __cond_resched+0x16/0x40
? kmem_cache_alloc_trace+0x278/0x3d0
ib_setup_port_attrs+0x99/0x240 [ib_core]
ib_register_device+0xcc/0x160 [ib_core]
bnxt_re_task+0xba/0x170 [bnxt_re]
process_one_work+0x1eb/0x390
worker_thread+0x53/0x3d0
? process_one_work+0x390/0x390
kthread+0x10f/0x130
? set_kthread_struct+0x40/0x40
ret_from_fork+0x22/0x30
Fixes:
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History
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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.