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Linux kernel source tree
169b7acb84
When the chip not support 6GHz capability, the channels of 6GHz information
should not be updated. This caused a crash:
[ 19.442078] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000014
[ 19.457535] Mem abort info:
[ 19.465329] ESR = 0x0000000096000004
[ 19.473295] EC = 0x25: DABT (current EL), IL = 32 bits
[ 19.482354] SET = 0, FnV = 0
[ 19.489143] EA = 0, S1PTW = 0
[ 19.495991] FSC = 0x04: level 0 translation fault
[ 19.504554] Data abort info:
[ 19.511111] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 19.520269] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 19.528988] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 19.537960] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001027a9000
[ 19.548014] [0000000000000014] pgd=0000000000000000, p4d=000000000000
[ 19.558429] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[ 19.568270] Modules linked in: mt7921e mt7921_common mt792x_lib
mt76_connac_lib mt76 mac80211 btusb btintel cfg80211 btmtk snd_sof_ipc_msg_
btrtl snd_sof_ipc_flood_test btbcm bluetooth snd_sof_mt8195 uvcvideo
mtk_adsp_common snd_sof_xtensa_dsp uvc snd_sof_of snd_sof videobuf2_vmalloc
ecdh_generic ecc snd_sof_utils cros_ec_lid_angle cros_ec_sensors crct10dif_
cros_ec_sensors_core cros_usbpd_logger crypto_user fuse ip_tables ipv6
[ 19.614237] CPU: 1 PID: 105 Comm: kworker/1:1 Not tainted 6.6.0-rc6-next-20231017+ #324
[ 19.625957] Hardware name: Acer Tomato (rev2) board (DT)
[ 19.634970] Workqueue: events mt7921_init_work [mt7921_common]
[ 19.644522] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTY
[ 19.655182] pc : mt7921_regd_notifier+0x180/0x290 [mt7921_common]
[ 19.664983] lr : mt7921_regd_notifier+0xd4/0x290 [mt7921_common]
[ 19.674679] sp : ffff800080acba80
[ 19.681649] x29: ffff800080acba80 x28: 0000000000000000 x27: ffff4faf
[ 19.692483] x26: 0000000000000000 x25: 0000000000000000 x24: ffff4faf
[ 19.703294] x23: 00000000ffffe926 x22: ffff4faf16031fa0 x21: 00000000
[ 19.714108] x20: 000000000000001c x19: ffff4faf16ba6f40 x18: 00000000
[ 19.724928] x17: 0000000000000000 x16: ffffac6b891c2750 x15: ffff8000
[ 19.735722] x14: 0000000000000180 x13: 0000000000000000 x12: 00000000
[ 19.746478] x11: 0000000000000002 x10: ffff4faf01c21780 x9 : ffffac6b
[ 19.757214] x8 : 00000000006c0000 x7 : ffffac6b6b020cf0 x6 : ffffac6b
[ 19.767945] x5 : ffffac6b6b020d00 x4 : ffffac6b6b020cf8 x3 : ffff4faf
[ 19.778648] x2 : 0000000000000000 x1 : 000000000000001c x0 : 00000000
[ 19.789366] Call trace:
[ 19.795381] mt7921_regd_notifier+0x180/0x290 [mt7921_common]
[ 19.804675] wiphy_update_regulatory+0x2bc/0xa08 [cfg80211]
[ 19.813864] wiphy_regulatory_register+0x4c/0x88 [cfg80211]
[ 19.823029] wiphy_register+0x75c/0x8d0 [cfg80211]
[ 19.831446] ieee80211_register_hw+0x70c/0xc10 [mac80211]
[ 19.840479] mt76_register_device+0x168/0x2e8 [mt76]
[ 19.849008] mt7921_init_work+0xdc/0x250 [mt7921_common]
[ 19.857817] process_one_work+0x148/0x3c0
[ 19.865292] worker_thread+0x32c/0x450
[ 19.872489] kthread+0x11c/0x128
[ 19.879173] ret_from_fork+0x10/0x20
[ 19.886153] Code: f0000041 9100a021 94000aef aa0003f9 (b9401780)
[ 19.895634] ---[ end trace 0000000000000000 ]---
Reported-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Closes: https://lore.kernel.org/all/927e7d50-826d-4c92-9931-3c59b18c6945@collabora.com/
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| 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.