linux-kernel - next: kernel BUG at drivers/virtio/virtio.c:122!

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Date:   Tue, 20 Dec 2022 14:51:54 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, regressions@...ts.linux.dev,
        virtualization@...ts.linux-foundation.org
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Shaoqin Huang <shaoqin.huang@...el.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        Angus Chen <angus.chen@...uarmicro.com>,
        Alex Bennée <alex.bennee@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: next: kernel BUG at drivers/virtio/virtio.c:122!

The qemu-x86_64 and qemu-arm64 boot failed with Linux next-20221220 tag.
It is always reproducible with gcc-11/ gcc-12 and clang tool chains.

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

<6>[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x000f0510]
<5>[    0.000000] Linux version 6.1.0-next-20221220 (tuxmake@...make)
(Debian clang version 16.0.0
(++20221218072110+9c1b82599dac-1~exp1~20221218072217.501), Debian LLD
16.0.0) #1 SMP PREEMPT @1671498176
<5>[    0.000000] random: crng init done
<6>[    0.000000] Machine model: linux,dummy-virt
....
<6>[    3.571098] loop: module loaded
<6>[    3.573410] virtio_blk virtio0: 1/0/0 default/read/poll queues
<5>[    3.578816] virtio_blk virtio0: [vda] 2816420 512-byte logical
blocks (1.44 GB/1.34 GiB)
<4>[    3.581234] ------------[ cut here ]------------
<2>[    3.581595] kernel BUG at drivers/virtio/virtio.c:122!
<0>[    3.582906] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
<4>[    3.583672] Modules linked in:
<4>[    3.584905] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
6.1.0-next-20221220 #1
<4>[    3.585801] Hardware name: linux,dummy-virt (DT)
<4>[    3.586591] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT
-SSBS BTYPE=--)
<4>[    3.587349] pc : virtio_check_driver_offered_feature+0x60/0x6c
<4>[    3.588613] lr : virtblk_probe+0x7cc/0x8f0
<4>[    3.588915] sp : ffff80000802b840
<4>[    3.589314] x29: ffff80000802b850 x28: 0000000000000000 x27:
0000000000000001
<4>[    3.590509] x26: 0000000000000001 x25: 0000000000000200 x24:
ffff0000c1699b00
<4>[    3.590832] x23: 00000000000000fe x22: ffff0000c0313c30 x21:
ffff0000c0313c00
<4>[    3.591568] x20: ffff0000c02f4080 x19: 0000000000000000 x18:
ffffffffffffffff
<4>[    3.592056] x17: 00000000ffffffea x16: 00000000fffffffe x15:
0000000000000004
<4>[    3.592632] x14: 0000000000000fff x13: ffff800008028000 x12:
ffff80000802c000
<4>[    3.593157] x11: 000000000000000f x10: 000000000000000f x9 :
ffffae66eee314d8
<4>[    3.594048] x8 : 0000000000000000 x7 : 3631383837352e33 x6 :
202020205b3e353c
<4>[    3.594429] x5 : 0000000000000001 x4 : 0000000000000000 x3 :
ffff80000802b780
<4>[    3.594956] x2 : ffff80000802b6f8 x1 : 0000000000000011 x0 :
ffff0000c02f4080
<4>[    3.595811] Call trace:
<4>[    3.596120]  virtio_check_driver_offered_feature+0x60/0x6c
<4>[    3.596632]  virtio_dev_probe+0x274/0x320
<4>[    3.597064]  really_probe+0x178/0x418
<4>[    3.597547]  __driver_probe_device+0x120/0x188
<4>[    3.597820]  driver_probe_device+0x48/0x22c
<4>[    3.598189]  __driver_attach+0xf8/0x250
<4>[    3.598656]  bus_for_each_dev+0x8c/0xd8
<4>[    3.599151]  driver_attach+0x30/0x3c
<4>[    3.599321]  bus_add_driver+0x11c/0x22c
<4>[    3.599684]  driver_register+0x84/0x120
<4>[    3.600175]  register_virtio_driver+0x38/0x48
<4>[    3.600575]  virtio_blk_init+0x6c/0xb4
<4>[    3.600759]  do_one_initcall+0xe0/0x2f8
<4>[    3.601197]  do_initcall_level+0xa8/0x150
<4>[    3.601703]  do_initcalls+0x60/0xa0
<4>[    3.601892]  do_basic_setup+0x28/0x34
<4>[    3.602229]  kernel_init_freeable+0x100/0x178
<4>[    3.602706]  kernel_init+0x2c/0x1b4
<4>[    3.603162]  ret_from_fork+0x10/0x20
<0>[    3.604398] Code: 540000a0 91001129 f1000508 54ffff61 (d4210000)
<4>[    3.606108] ---[ end trace 0000000000000000 ]---
<6>[    3.606714] note: swapper/0[1] exited with preempt_count 1
<0>[    3.608155] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
<2>[    3.609173] SMP: stopping secondary CPUs
<0>[    3.610506] Kernel Offset: 0x2e66e4800000 from 0xffff800008000000
<0>[    3.610970] PHYS_OFFSET: 0x40000000
<0>[    3.611428] CPU features: 0x00000,003a612f,cd22773f
<0>[    3.612277] Memory Limit: none
<0>[    3.613192] ---[ end Kernel panic - not syncing: Attempted to
kill init! exitcode=0x0000000b ]---

Ref Links,
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221220/testrun/13764099/suite/log-parser-test/test/check-kernel-bug/details/
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221220/testrun/13766814/suite/boot/test/clang-nightly-lkftconfig/details/
https://storage.tuxsuite.com/public/linaro/lkft/builds/2J9l3qxSBmPWVa1S2uWn0Xuwl1J/config


--
Linaro LKFT
https://lkft.linaro.org