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Date: Thu, 03 Feb 2022 13:59:07 +0100
From: Wolfgang Walter <linux@...m.de>
To: Johannes Berg <johannes.berg@...el.com>
Cc: linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
Luca Coelho <luciano.coelho@...el.com>
Subject: Fwd: Re: 5.15.17: general protection fault when loading iwlwifi as
module and no firmware available
Hello,
we found a regression in 5.15.17. When iwlwifi is loaded as a moduleand
it cannot load a firmware it crashes:
===================================================================
Jan 28 19:05:01 kistchen kernel: [ 5.415151] Intel(R) Wireless WiFi
driver for Linux
Jan 28 19:05:01 kistchen kernel: [ 5.425600] iwlwifi 0000:04:00.0:
Direct firmware load for iwlwifi-3160-17.ucode failed with error -2
Jan 28 19:05:01 kistchen kernel: [ 5.425616] iwlwifi 0000:04:00.0: no
suitable firmware found!
Jan 28 19:05:01 kistchen kernel: [ 5.425704] iwlwifi 0000:04:00.0:
iwlwifi-3160-17 is required
Jan 28 19:05:01 kistchen kernel: [ 5.425786] iwlwifi 0000:04:00.0:
check
git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
Jan 28 19:05:01 kistchen kernel: [ 5.426226] general protection
fault, probably for non-canonical address 0xd8e6d895001008: 0000 [#1]
PREEMPT SMP PTI
Jan 28 19:05:01 kistchen kernel: [ 5.426324] CPU: 1 PID: 45 Comm:
kworker/1:1 Not tainted 5.15.17-aladebian64.all+1.2 #1
Jan 28 19:05:01 kistchen kernel: [ 5.426411] Hardware name: ZOTAC
XXXXXX/XXXXXX, BIOS B301P017 04/06/2016
Jan 28 19:05:01 kistchen kernel: [ 5.426493] Workqueue: events
request_firmware_work_func
Jan 28 19:05:01 kistchen kernel: [ 5.426587] RIP:
0010:kfree+0x61/0x170
Jan 28 19:05:01 kistchen kernel: [ 5.426670] Code: 80 48 01 e8 0f 82
21 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8
0c 48 c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01
48 0f 45 c1 48 8b 48 08 48 8d 51
Jan 28 19:05:01 kistchen kernel: [ 5.426772] RSP:
0018:ffffa54e002b3ce8 EFLAGS: 00010007
Jan 28 19:05:01 kistchen kernel: [ 5.426853] RAX: 00d8e6d895001000
RBX: 0000000000000206 RCX: 0000000000000000
Jan 28 19:05:01 kistchen kernel: [ 5.426937] RDX: 00007425c0000000
RSI: ffffffffc0fd6ea6 RDI: 36415f5f0004000f
Jan 28 19:05:01 kistchen kernel: [ 5.427019] RBP: 36415f5f0004000f
R08: ffffffffa80427c0 R09: ffffa54e002b3be0
Jan 28 19:05:01 kistchen kernel: [ 5.427102] R10: 0000000000000000
R11: 0000000000000000 R12: ffff8bdae10e6ab8
Jan 28 19:05:01 kistchen kernel: [ 5.427184] R13: ffff8bdae10e6800
R14: ffff8bdac256c400 R15: ffff8bdc37cb5905
Jan 28 19:05:01 kistchen kernel: [ 5.427267] FS:
0000000000000000(0000) GS:ffff8bdc37c80000(0000) knlGS:0000000000000000
Jan 28 19:05:01 kistchen kernel: [ 5.427354] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 28 19:05:01 kistchen kernel: [ 5.427446] CR2: 00007f934935c6f4
CR3: 00000001077e2000 CR4: 00000000001006e0
Jan 28 19:05:01 kistchen kernel: [ 5.427541] Call Trace:
Jan 28 19:05:01 kistchen kernel: [ 5.427630] <TASK>
Jan 28 19:05:01 kistchen kernel: [ 5.427727]
iwl_dealloc_ucode+0x36/0x110 [iwlwifi]
Jan 28 19:05:01 kistchen kernel: [ 5.427873]
iwl_req_fw_callback+0x2d1/0x2330 [iwlwifi]
Jan 28 19:05:01 kistchen kernel: [ 5.428006] ?
___cache_free+0x31/0x4b0
Jan 28 19:05:01 kistchen kernel: [ 5.428108] ?
_request_firmware+0x3ff/0x780
Jan 28 19:05:01 kistchen kernel: [ 5.428205] ? kfree+0xa9/0x170
Jan 28 19:05:01 kistchen kernel: [ 5.428298] ?
_request_firmware+0x3ff/0x780
Jan 28 19:05:01 kistchen kernel: [ 5.428391]
request_firmware_work_func+0x4d/0x90
Jan 28 19:05:01 kistchen kernel: [ 5.428486]
process_one_work+0x1e8/0x3c0
Jan 28 19:05:01 kistchen kernel: [ 5.428581]
worker_thread+0x50/0x3b0
Jan 28 19:05:01 kistchen kernel: [ 5.428672] ?
process_one_work+0x3c0/0x3c0
Jan 28 19:05:01 kistchen kernel: [ 5.428763] kthread+0x141/0x170
Jan 28 19:05:01 kistchen kernel: [ 5.428856] ?
set_kthread_struct+0x40/0x40
Jan 28 19:05:01 kistchen kernel: [ 5.428948] ret_from_fork+0x22/0x30
Jan 28 19:05:01 kistchen kernel: [ 5.429044] </TASK>
Jan 28 19:05:01 kistchen kernel: [ 5.429130] Modules linked in:
ums_realtek(+) iwlwifi(+) snd_hda_intel uas usb_storage snd_intel_dspcfg
sha512_ssse3 ttm snd_intel_sdw_acpi snd_hda_codec snd_hda_core
sha512_generic aesni_intel(+) drm_kms_helper snd_hwdep crypto_simd
intel_xhci_usb_role_switch cryptd sg roles cec snd_pcm intel_cstate
snd_timer mei_txe at24 snd iTCO_wdt rc_core cfg80211 intel_pmc_bxt
pcspkr soundcore ctr iTCO_vendor_support mei i2c_algo_bit watchdog drbg
ansi_cprng ecdh_generic(+) rfkill ecc pwm_lpss_platform pwm_lpss
intel_int0002_vgpio button drm fuse configfs ip_tables x_tables autofs4
ext4 crc32c_generic crc16 mbcache jbd2 sd_mod t10_pi crc_t10dif
crct10dif_generic ahci libahci xhci_pci sdhci_pci cqhci crct10dif_pclmul
crct10dif_common libata r8169 i2c_i801 crc32_pclmul xhci_hcd realtek
mdio_devres crc32c_intel i2c_smbus lpc_ich sdhci libphy scsi_mod usbcore
usb_common scsi_common mmc_core fan i2c_hid_acpi i2c_hid video hid
Jan 28 19:05:01 kistchen kernel: [ 5.429595] ---[ end trace
aea59d2f4abcc392 ]---
Jan 28 19:05:01 kistchen kernel: [ 5.429688] RIP:
0010:kfree+0x61/0x170
Jan 28 19:05:01 kistchen kernel: [ 5.429783] Code: 80 48 01 e8 0f 82
21 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8
0c 48 c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01
48 0f 45 c1 48 8b 48 08 48 8d 51
Jan 28 19:05:01 kistchen kernel: [ 5.429920] RSP:
0018:ffffa54e002b3ce8 EFLAGS: 00010007
Jan 28 19:05:01 kistchen kernel: [ 5.430012] RAX: 00d8e6d895001000
RBX: 0000000000000206 RCX: 0000000000000000
Jan 28 19:05:01 kistchen kernel: [ 5.430107] RDX: 00007425c0000000
RSI: ffffffffc0fd6ea6 RDI: 36415f5f0004000f
Jan 28 19:05:01 kistchen kernel: [ 5.430201] RBP: 36415f5f0004000f
R08: ffffffffa80427c0 R09: ffffa54e002b3be0
Jan 28 19:05:01 kistchen kernel: [ 5.430296] R10: 0000000000000000
R11: 0000000000000000 R12: ffff8bdae10e6ab8
Jan 28 19:05:01 kistchen kernel: [ 5.430392] R13: ffff8bdae10e6800
R14: ffff8bdac256c400 R15: ffff8bdc37cb5905
Jan 28 19:05:01 kistchen kernel: [ 5.430489] FS:
0000000000000000(0000) GS:ffff8bdc37c80000(0000) knlGS:0000000000000000
Jan 28 19:05:01 kistchen kernel: [ 5.430603] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 28 19:05:01 kistchen kernel: [ 5.430700] CR2: 00007f934935c6f4
CR3: 00000001077e2000 CR4: 00000000001006e0
===================================================================
Providing a firmware file (or blacklisting iwlwifi of course) fixes ist.
5.15.16 does not crash.
I bisected it down to e23f075d77987de4215c8e0696f28bcc707506f7 in
stable:
e23f075d77987de4215c8e0696f28bcc707506f7 is the first bad commit
commit e23f075d77987de4215c8e0696f28bcc707506f7
Author: Johannes Berg <johannes.berg@...el.com>
Date: Fri Dec 10 11:12:42 2021 +0200
iwlwifi: fix leaks/bad data after failed firmware load
[ Upstream commit ab07506b0454bea606095951e19e72c282bfbb42 ]
If firmware load fails after having loaded some parts of the
firmware, e.g. the IML image, then this would leak. For the
host command list we'd end up running into a WARN on the next
attempt to load another firmware image.
Fix this by calling iwl_dealloc_ucode() on failures, and make
that also clear the data so we start fresh on the next round.
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Link:
https://lore.kernel.org/r/iwlwifi.20211210110539.1f742f0eb58a.I1315f22f6aa632d94ae2069f85e1bca5e734dce0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 8 ++++++++
1 file changed, 8 insertions(+)
I reverted this patch (and also the following one,
58d53fe49a5dfbd9204c6d605bff4c99f7549256, so the blamed patch reverted
cleanly) in 5.15.17. The general protection fault then disappeared.
I also tested 5.17-rc2. It also shows the above general protection
fault:
==================================================================================
[ 54.627048] CPU: 2 PID: 61 Comm: kworker/2:1 Not tainted 5.17.0-rc2
#11
[ 54.627120] Hardware name: ZOTAC XXXXXX/XXXXXX, BIOS B301P017
04/06/2016
[ 54.627191] Workqueue: events request_firmware_work_func
[ 54.627258] RIP: 0010:kfree+0x61/0x170
[ 54.627305] Code: 80 48 01 e8 0f 82 14 01 00 00 48 c7 c2 00 00 00 80
48 2b 15 81 d2 ee 00 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 5f d2 ee
00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 10 80 e6 02 0f
[ 54.627492] RSP: 0018:ffff97bb80337ce8 EFLAGS: 00010007
[ 54.627549] RAX: 00d8e3f509001000 RBX: 0000000000000206 RCX:
ffffdca084258d07
[ 54.627624] RDX: 000075c2c0000000 RSI: ffffffffc12ba0a6 RDI:
36415f5f0004000f
[ 54.627698] RBP: 36415f5f0004000f R08: ffffffff96243740 R09:
ffff97bb80337bf8
[ 54.627772] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8a3dc3c622b8
[ 54.627846] R13: ffff8a3f37d36900 R14: 0000000000000000 R15:
ffff8a3dc3c62000
[ 54.627920] FS: 0000000000000000(0000) GS:ffff8a3f37d00000(0000)
knlGS:0000000000000000
[ 54.628004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.628066] CR2: 00007f202174e6f4 CR3: 00000001b3010000 CR4:
00000000001006e0
[ 54.628141] Call Trace:
[ 54.628173] <TASK>
[ 54.628207] iwl_dealloc_ucode+0x36/0x110 [iwlwifi]
[ 54.628298] iwl_req_fw_callback+0x2b9/0x2420 [iwlwifi]
[ 54.628377] ? ___cache_free+0x31/0x4d0
[ 54.628429] ? _request_firmware+0x514/0x760
[ 54.628481] ? kfree+0xa3/0x170
[ 54.628520] ? _request_firmware+0x514/0x760
[ 54.628571] request_firmware_work_func+0x4d/0x90
[ 54.628628] process_one_work+0x1e5/0x3b0
[ 54.628678] ? rescuer_thread+0x370/0x370
[ 54.628724] worker_thread+0x50/0x3a0
[ 54.628768] ? rescuer_thread+0x370/0x370
[ 54.628814] kthread+0xe7/0x110
[ 54.628855] ? kthread_complete_and_exit+0x20/0x20
[ 54.628911] ret_from_fork+0x22/0x30
[ 54.628959] </TASK>
[ 54.628987] Modules linked in: iwlwifi cfg80211 snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio intel_rapl_msr
intel_rapl_common intel_powerclamp coretemp kvm_intel ums_realtek kvm
mei_pxp irqbypass mei_hdcp uas usb_storage intel_xhci_usb_role_switch
roles ghash_clmulni_intel hci_uart btusb btqca btrtl btbcm btintel btmtk
aesni_intel crypto_simd cryptd snd_hda_intel i915 snd_intel_dspcfg
snd_intel_sdw_acpi bluetooth evdev intel_cstate snd_hda_codec at24
snd_hda_core snd_hwdep iTCO_wdt snd_pcm ttm intel_pmc_bxt
iTCO_vendor_support pcspkr watchdog drm_kms_helper mei_txe snd_timer snd
jitterentropy_rng cec sg rc_core soundcore sha512_ssse3 i2c_algo_bit mei
sha512_generic ctr drbg ansi_cprng pwm_lpss_platform pwm_lpss
ecdh_generic intel_int0002_vgpio rfkill button ecc drm fuse configfs
ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache jbd2
hid_generic usbhid sd_mod t10_pi crc_t10dif crct10dif_generic xhci_pci
r8169 xhci_hcd ahci crct10dif_pclmul
[ 54.629118] sdhci_pci crct10dif_common libahci realtek crc32_pclmul
cqhci crc32c_intel mdio_devres libata sdhci scsi_mod scsi_common usbcore
mmc_core usb_common fan libphy i2c_i801 i2c_smbus lpc_ich i2c_hid_acpi
i2c_hid video hid
[ 54.630194] ---[ end trace 0000000000000000 ]---
[ 54.630246] RIP: 0010:kfree+0x61/0x170
[ 54.630296] Code: 80 48 01 e8 0f 82 14 01 00 00 48 c7 c2 00 00 00 80
48 2b 15 81 d2 ee 00 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 5f d2 ee
00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 10 80 e6 02 0f
[ 54.630484] RSP: 0018:ffff97bb80337ce8 EFLAGS: 00010007
[ 54.630542] RAX: 00d8e3f509001000 RBX: 0000000000000206 RCX:
ffffdca084258d07
[ 54.630616] RDX: 000075c2c0000000 RSI: ffffffffc12ba0a6 RDI:
36415f5f0004000f
[ 54.630690] RBP: 36415f5f0004000f R08: ffffffff96243740 R09:
ffff97bb80337bf8
[ 54.630765] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8a3dc3c622b8
[ 54.630839] R13: ffff8a3f37d36900 R14: 0000000000000000 R15:
ffff8a3dc3c62000
[ 54.630914] FS: 0000000000000000(0000) GS:ffff8a3f37d00000(0000)
knlGS:0000000000000000
[ 54.630999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.631059] CR2: 00007f202174e6f4 CR3: 00000001b3010000 CR4:
00000000001006e0
==================================================================================
-------- Originalnachricht --------
Betreff: Re: 5.15.17: general protection fault when loading iwlwifi as
module and no firmware available
Datum: 2022-02-02 18:43
Von: Greg KH <gregkh@...uxfoundation.org>
An: Wolfgang Walter <linux@...m.de>
Kopie: stable@...r.kernel.org
On Wed, Feb 02, 2022 at 03:44:48PM +0100, Wolfgang Walter wrote:
> Am 2022-02-01 16:46, schrieb Greg KH:
> > On Tue, Feb 01, 2022 at 04:31:29PM +0100, Wolfgang Walter wrote:
> > > Hello,
> > >
> > > we found a regression in 5.15.17. When iwlwifi is loaded as a module
> > > and it
> > > cannot load a firmware it crashes:
> > >
> > > ===================================================================
> > > Jan 28 19:05:01 kistchen kernel: [ 5.415151] Intel(R) Wireless WiFi
> > > driver for Linux
> > > Jan 28 19:05:01 kistchen kernel: [ 5.425600] iwlwifi
> > > 0000:04:00.0: Direct
> > > firmware load for iwlwifi-3160-17.ucode failed with error -2
> > > Jan 28 19:05:01 kistchen kernel: [ 5.425616] iwlwifi
> > > 0000:04:00.0: no
> > > suitable firmware found!
> > > Jan 28 19:05:01 kistchen kernel: [ 5.425704] iwlwifi 0000:04:00.0:
> > > iwlwifi-3160-17 is required
> > > Jan 28 19:05:01 kistchen kernel: [ 5.425786] iwlwifi
> > > 0000:04:00.0: check
> > > git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426226] general protection
> > > fault,
> > > probably for non-canonical address 0xd8e6d895001008: 0000 [#1]
> > > PREEMPT SMP
> > > PTI
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426324] CPU: 1 PID: 45 Comm:
> > > kworker/1:1 Not tainted 5.15.17-aladebian64.all+1.2 #1
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426411] Hardware name: ZOTAC
> > > XXXXXX/XXXXXX, BIOS B301P017 04/06/2016
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426493] Workqueue: events
> > > request_firmware_work_func
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426587] RIP:
> > > 0010:kfree+0x61/0x170
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426670] Code: 80 48 01 e8 0f
> > > 82 21
> > > 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8
> > > 0c 48
> > > c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48
> > > 0f 45 c1
> > > 48 8b 48 08 48 8d 51
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426772] RSP:
> > > 0018:ffffa54e002b3ce8
> > > EFLAGS: 00010007
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426853] RAX:
> > > 00d8e6d895001000 RBX:
> > > 0000000000000206 RCX: 0000000000000000
> > > Jan 28 19:05:01 kistchen kernel: [ 5.426937] RDX:
> > > 00007425c0000000 RSI:
> > > ffffffffc0fd6ea6 RDI: 36415f5f0004000f
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427019] RBP:
> > > 36415f5f0004000f R08:
> > > ffffffffa80427c0 R09: ffffa54e002b3be0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427102] R10:
> > > 0000000000000000 R11:
> > > 0000000000000000 R12: ffff8bdae10e6ab8
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427184] R13:
> > > ffff8bdae10e6800 R14:
> > > ffff8bdac256c400 R15: ffff8bdc37cb5905
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427267] FS:
> > > 0000000000000000(0000)
> > > GS:ffff8bdc37c80000(0000) knlGS:0000000000000000
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427354] CS: 0010 DS: 0000
> > > ES: 0000
> > > CR0: 0000000080050033
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427446] CR2:
> > > 00007f934935c6f4 CR3:
> > > 00000001077e2000 CR4: 00000000001006e0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427541] Call Trace:
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427630] <TASK>
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427727]
> > > iwl_dealloc_ucode+0x36/0x110 [iwlwifi]
> > > Jan 28 19:05:01 kistchen kernel: [ 5.427873]
> > > iwl_req_fw_callback+0x2d1/0x2330 [iwlwifi]
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428006] ?
> > > ___cache_free+0x31/0x4b0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428108] ?
> > > _request_firmware+0x3ff/0x780
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428205] ? kfree+0xa9/0x170
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428298] ?
> > > _request_firmware+0x3ff/0x780
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428391]
> > > request_firmware_work_func+0x4d/0x90
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428486]
> > > process_one_work+0x1e8/0x3c0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428581]
> > > worker_thread+0x50/0x3b0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428672] ?
> > > process_one_work+0x3c0/0x3c0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428763] kthread+0x141/0x170
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428856] ?
> > > set_kthread_struct+0x40/0x40
> > > Jan 28 19:05:01 kistchen kernel: [ 5.428948]
> > > ret_from_fork+0x22/0x30
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429044] </TASK>
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429130] Modules linked in:
> > > ums_realtek(+) iwlwifi(+) snd_hda_intel uas usb_storage
> > > snd_intel_dspcfg
> > > sha512_ssse3 ttm snd_intel_sdw_acpi snd_hda_codec snd_hda_core
> > > sha512_generic aesni_intel(+) drm_kms_helper snd_hwdep crypto_simd
> > > intel_xhci_usb_role_switch cryptd sg roles cec snd_pcm intel_cstate
> > > snd_timer mei_txe at24 snd iTCO_wdt rc_core cfg80211 intel_pmc_bxt
> > > pcspkr
> > > soundcore ctr iTCO_vendor_support mei i2c_algo_bit watchdog drbg
> > > ansi_cprng
> > > ecdh_generic(+) rfkill ecc pwm_lpss_platform pwm_lpss
> > > intel_int0002_vgpio
> > > button drm fuse configfs ip_tables x_tables autofs4 ext4
> > > crc32c_generic
> > > crc16 mbcache jbd2 sd_mod t10_pi crc_t10dif crct10dif_generic ahci
> > > libahci
> > > xhci_pci sdhci_pci cqhci crct10dif_pclmul crct10dif_common libata
> > > r8169
> > > i2c_i801 crc32_pclmul xhci_hcd realtek mdio_devres crc32c_intel
> > > i2c_smbus
> > > lpc_ich sdhci libphy scsi_mod usbcore usb_common scsi_common
> > > mmc_core fan
> > > i2c_hid_acpi i2c_hid video hid
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429595] ---[ end trace
> > > aea59d2f4abcc392 ]---
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429688] RIP:
> > > 0010:kfree+0x61/0x170
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429783] Code: 80 48 01 e8 0f
> > > 82 21
> > > 01 00 00 48 c7 c2 00 00 00 80 48 2b 15 01 f8 ee 00 48 01 d0 48 c1 e8
> > > 0c 48
> > > c1 e0 06 48 03 05 df f7 ee 00 <48> 8b 50 08 48 8d 4a ff 83 e2 01 48
> > > 0f 45 c1
> > > 48 8b 48 08 48 8d 51
> > > Jan 28 19:05:01 kistchen kernel: [ 5.429920] RSP:
> > > 0018:ffffa54e002b3ce8
> > > EFLAGS: 00010007
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430012] RAX:
> > > 00d8e6d895001000 RBX:
> > > 0000000000000206 RCX: 0000000000000000
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430107] RDX:
> > > 00007425c0000000 RSI:
> > > ffffffffc0fd6ea6 RDI: 36415f5f0004000f
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430201] RBP:
> > > 36415f5f0004000f R08:
> > > ffffffffa80427c0 R09: ffffa54e002b3be0
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430296] R10:
> > > 0000000000000000 R11:
> > > 0000000000000000 R12: ffff8bdae10e6ab8
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430392] R13:
> > > ffff8bdae10e6800 R14:
> > > ffff8bdac256c400 R15: ffff8bdc37cb5905
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430489] FS:
> > > 0000000000000000(0000)
> > > GS:ffff8bdc37c80000(0000) knlGS:0000000000000000
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430603] CS: 0010 DS: 0000
> > > ES: 0000
> > > CR0: 0000000080050033
> > > Jan 28 19:05:01 kistchen kernel: [ 5.430700] CR2:
> > > 00007f934935c6f4 CR3:
> > > 00000001077e2000 CR4: 00000000001006e0
> > > ===================================================================
> > >
> > > Providing a firmware file (or blacklisting iwlwifi of course) fixes
> > > ist.
> > > 5.15.16 does not crash.
> >
> > Can you do 'git bisect' to track down the offending commit?
> >
> > And does 5.16.y work for you? How about 5.17-rc2?
> >
> > thanks,
> >
> > greg k-h
>
> I tested 5.17-rc2. It also shows the above general protection fault:
Great! Please contact the authors of the commit you found, and the
wireless developer mailing list and they can work to resolve this.
thanks,
greg k-h
Regards,
--
Wolfgang Walter
Studentenwerk München
Anstalt des öffentlichen Rechts
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