Re: [PATCH 6.4 000/800] 6.4.4-rc1 review

Naresh Kamboju
2023-07-17T05:53:53Z

On Mon, 17 Jul 2023 at 01:24, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.4.4 release.
> There are 800 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Tue, 18 Jul 2023 19:48:07 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.4.4-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.4.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Following kernel warnings / BUG noticed on qemu-arm64 while running
Kunit / KASAN tests while booting stable rc 6.4 kernel.

Similar issues have been reported on Linux next [1].
next: qemu-arm64: kernel BUG at fs/inode.c:1763!
[1] https://lore.kernel.org/linux-mm/5d48dd9a-1822-4917-a77e-193a48ed3bd8@kili.mountain/

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Crash log:
---

<6>[ 928.522368] ok 67 Encryption test suite # SKIP
<6>[ 928.526361] KTAP version 1
<6>[ 928.527663] # Subtest: Handshake API tests
<6>[ 928.528569] 1..11
<6>[ 928.529461] KTAP version 1
<6>[ 928.530289] # Subtest: req_alloc API fuzzing
<6>[ 928.534580] ok 1 handshake_req_alloc NULL proto
<6>[ 928.540928] ok 2 handshake_req_alloc CLASS_NONE
<6>[ 928.546026] ok 3 handshake_req_alloc CLASS_MAX
<6>[ 928.556181] ok 4 handshake_req_alloc no callbacks
<6>[ 928.561854] ok 5 handshake_req_alloc no done callback
<6>[ 928.568591] ok 6 handshake_req_alloc excessive privsize
<6>[ 928.574197] ok 7 handshake_req_alloc all good
<6>[ 928.577290] # req_alloc API fuzzing: pass:7 fail:0 skip:0 total:7
<6>[ 928.578830] ok 1 req_alloc API fuzzing
<6>[ 928.589194] ok 2 req_submit NULL req arg
<6>[ 928.595860] ok 3 req_submit NULL sock arg
<6>[ 928.601760] ok 4 req_submit NULL sock->file
<6>[ 928.613613] ok 5 req_lookup works
<6>[ 928.621095] ok 6 req_submit max pending
<6>[ 928.627492] ok 7 req_submit multiple
<6>[ 928.633124] ok 8 req_cancel before accept
<6>[ 928.640751] ok 9 req_cancel after accept
<6>[ 928.646414] ok 10 req_cancel after done
<4>[ 928.650411] ------------[ cut here ]------------
<2>[ 928.654074] kernel BUG at fs/inode.c:1805!
<0>[ 928.655661] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
<4>[ 928.657205] Modules linked in:
<4>[ 928.659307] CPU: 1 PID: 21 Comm: kworker/1:0 Tainted: G
N 6.4.4-rc1 #1
<4>[ 928.660829] Hardware name: linux,dummy-virt (DT)
<4>[ 928.662415] Workqueue: events delayed_fput
<4>[ 928.664806] pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT
-SSBS BTYPE=--)
<4>[ 928.666592] pc : iput+0x2cc/0x2d0
<4>[ 928.667870] lr : iput+0x30/0x2d0
<4>[ 928.668975] sp : ffff8000081d7af0
<4>[ 928.669951] x29: ffff8000081d7af0 x28: ffff0000c094c020 x27:
00000000002e0003
<4>[ 928.672194] x26: ffff0000c4f61668 x25: ffff0000c6911590 x24:
0000000000000000
<4>[ 928.674232] x23: ffff0000c0467638 x22: ffff0000c69115b0 x21:
ffff0000c0467598
<4>[ 928.676413] x20: ffff0000c0467500 x19: ffff0000c0467500 x18:
0000000010992f9a
<4>[ 928.678485] x17: ffffa2bb7d60bc64 x16: ffffa2bb7d60c00c x15:
ffffa2bb7e7c02f4
<4>[ 928.680443] x14: ffffa2bb7d63c708 x13: ffffa2bb7d216100 x12:
0000000000000001
<4>[ 928.682505] x11: 1fffe0001808ceb1 x10: 1fffe0001808ceb3 x9 :
0000000000000000
<4>[ 928.684647] x8 : 0000000000000060 x7 : 0000000000000000 x6 :
ffffa2bb7d5c67b8
<4>[ 928.686630] x5 : ffff0000c814a6d8 x4 : 0000000000000000 x3 :
ffffa2bb7ead2fec
<4>[ 928.689091] x2 : 0000000000000001 x1 : 0000000000000001 x0 :
ffff0000c0467598
<6>[ 928.690005] ok 11 req_destroy works
<4>[ 928.690476]
<6>[ 928.693528] # Handshake API tests: pass:11 fail:0 skip:0 total:11
<4>[ 928.694200] Call trace:
<4>[ 928.694404] iput+0x2cc/0x2d0
<6>[ 928.697513] # Totals: pass:17 fail:0 skip:0 total:17
<4>[ 928.697467] dentry_unlink_inode+0x220/0x240
<6>[ 928.698341] ok 68 Handshake API tests
<4>[ 928.699216] __dentry_kill+0x190/0x2a4
<4>[ 928.702948] dentry_kill+0x90/0x150
<4>[ 928.704551] dput+0xd8/0x144
<4>[ 928.706425] __fput+0x2bc/0x3cc
<4>[ 928.707982] delayed_fput+0x54/0x6c
<4>[ 928.709490] process_one_work+0x3c4/0x574
<4>[ 928.711092] worker_thread+0x488/0x83c
<4>[ 928.712551] kthread+0x1ac/0x238
<4>[ 928.714034] ret_from_fork+0x10/0x20
<0>[ 928.717103] Code: 94522f0a 17ffffec d4210000 17ffffba (d4210000)
<4>[ 928.719393] ---[ end trace 0000000000000000 ]---
<6>[ 928.721045] note: kworker/1:0[21] exited with irqs disabled
<6>[ 928.725022] note: kworker/1:0[21] exited with preempt_count 1
<6>[ 928.730067] uart-pl011 9000000.pl011: no DMA platform data
<4>[ 928.733763] ------------[ cut here ]------------
<4>[ 928.735164] WARNING: CPU: 1 PID: 0 at
kernel/context_tracking.c:128 ct_kernel_exit+0xa4/0xac
<4>[ 928.737209] Modules linked in:
<4>[ 928.738504] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D
N 6.4.4-rc1 #1
<4>[ 928.740310] Hardware name: linux,dummy-virt (DT)
<4>[ 928.741569] pstate: 224003c5 (nzCv DAIF +PAN -UAO +TCO -DIT
-SSBS BTYPE=--)
<4>[ 928.743556] pc : ct_kernel_exit+0xa4/0xac
<4>[ 928.745560] lr : ct_kernel_exit+0x14/0xac
<4>[ 928.747498] sp : ffff800008187db0
<4>[ 928.749156] x29: ffff800008187db0 x28: ffffa2bb7ff5cb38 x27:
ffffa2bb7ffdd000
<4>[ 928.751416] x26: 0000000000000002 x25: 0000000000000001 x24:
0000000000000000
<4>[ 928.753426] x23: 0000000000000000 x22: 0000000000000000 x21:
ffffa2bb7ffddb50
<4>[ 928.755520] x20: ffffa2bb7ffdda40 x19: ffff0000daea6a20 x18:
0000000010992f9a
<4>[ 928.757619] x17: 0000000000000000 x16: 0000000100000000 x15:
0000000200000002
<4>[ 928.759766] x14: 00000000ffffa2bb x13: 00000000000711d6 x12:
0000000008000000
<4>[ 928.761789] x11: 000db58580000000 x10: 4000000000000000 x9 :
4000000000000002
<4>[ 928.763942] x8 : ffffa2bb7ff5aa20 x7 : 0000000000000000 x6 :
000000000000003f
<4>[ 928.766237] x5 : 0000000000000040 x4 : 0000000000000000 x3 :
ffffa2bb7d316f00
<4>[ 928.768327] x2 : 0000000000000001 x1 : 0000000000000001 x0 :
ffff5d455af4c000
<4>[ 928.770366] Call trace:
<4>[ 928.771153] ct_kernel_exit+0xa4/0xac
<4>[ 928.772308] ct_idle_enter+0x10/0x1c
<4>[ 928.773463] default_idle_call+0x1c/0x38
<4>[ 928.774700] do_idle+0x134/0x2fc
<4>[ 928.775976] cpu_startup_entry+0x24/0x28
<4>[ 928.777255] secondary_start_kernel+0x170/0x194
<4>[ 928.778638] __secondary_switched+0xb8/0xbc
<4>[ 928.780012] ---[ end trace 0000000000000000 ]---
<6>[ 928.888117] EXT4-fs (vda): mounted filesystem
488f3595-af73-4163-86f5-9256efc01ed6 ro with ordered data mode. Quota
mode: none.

Links:
- https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.4.y/build/v6.4.3-801-g2b7c5a626789/testrun/18368775/suite/boot/test/clang-nightly-defconfig-40bc7ee5/log
- https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.4.y/build/v6.4.3-801-g2b7c5a626789/testrun/18368340/suite/boot/test/gcc-12-defconfig-40bc7ee5/log
- https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.4.y/build/v6.4.3-801-g2b7c5a626789/testrun/18374719/suite/boot/test/gcc-12-lkftconfig-kunit/details/
- https://storage.tuxsuite.com/public/linaro/lkft/builds/2SfVz5dCm2BdJzRORqOHFcy7nOK/

--
Linaro LKFT