From: syzbot <syzbot+afc1d968649e7e851562@syzkaller.appspotmail.com>
To: geert+renesas@glider.be, linux-kernel@vger.kernel.org,
linux-renesas-soc@vger.kernel.org, magnus.damm@gmail.com,
maz@kernel.org, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de
Subject: [syzbot] upstream boot error: BUG: unable to handle kernel NULL pointer dereference in gic_eoi_irq
Date: Thu, 11 May 2023 14:41:11 -0700 [thread overview]
Message-ID: <000000000000da2a8505fb71d81b@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: ac9a78681b92 Linux 6.4-rc1
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=102a3f6a280000
kernel config: https://syzkaller.appspot.com/x/.config?x=cc86fee67199911d
dashboard link: https://syzkaller.appspot.com/bug?extid=afc1d968649e7e851562
compiler: arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/c35b5b2731d2/non_bootable_disk-ac9a7868.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c04bec59d77d/vmlinux-ac9a7868.xz
kernel image: https://storage.googleapis.com/syzbot-assets/070113b307f3/zImage-ac9a7868.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+afc1d968649e7e851562@syzkaller.appspotmail.com
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 000005f4 when read
[000005f4] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 207 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at gic_eoi_irq+0x64/0x70 drivers/irqchip/irq-gic.c:228
LR is at handle_percpu_devid_irq+0xb8/0x2d4 kernel/irq/chip.c:944
pc : [<8087e328>] lr : [<802bf798>] psr: 20000193
sp : df805f60 ip : df805f78 fp : df805f74
r10: 00000000 r9 : 831f4680 r8 : 00000001
r7 : 0000001c r6 : 81b0febc r5 : 000005f0 r4 : 8309a218
r3 : 000005f0 r2 : 0009127a r1 : ddde8b00 r0 : 8309a218
Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none
Control: 30c5387d Table: 84804d80 DAC: 00000000
Register r0 information: slab kmalloc-256 start 8309a200 pointer offset 24 size 256
Register r1 information: non-slab/vmalloc memory
Register r2 information:
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 000001ff when read
[000001ff] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 207 [#2] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at __find_vmap_area mm/vmalloc.c:841 [inline]
PC is at find_vmap_area mm/vmalloc.c:1862 [inline]
PC is at find_vm_area mm/vmalloc.c:2623 [inline]
PC is at vmalloc_dump_obj+0x38/0xb4 mm/vmalloc.c:4221
LR is at __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
LR is at _raw_spin_lock+0x18/0x58 kernel/locking/spinlock.c:154
pc : [<8047a2ec>] lr : [<81801fd4>] psr: 20000193
sp : df805df0 ip : df805dd8 fp : df805e04
r10: 831f4680 r9 : 8261c9a4 r8 : 8285041c
r7 : 60000193 r6 : 00000003 r5 : 00092000 r4 : 00000207
r3 : 830e13a0 r2 : 00001dda r1 : 00000000 r0 : 00000001
Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none
Control: 30c5387d Table: 84804d80 DAC: 00000000
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
next reply other threads:[~2023-05-11 21:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-11 21:41 syzbot [this message]
2023-05-12 7:59 ` [syzbot] upstream boot error: BUG: unable to handle kernel NULL pointer dereference in gic_eoi_irq Geert Uytterhoeven
2023-05-12 11:30 ` Aleksandr Nogikh
2023-05-12 11:57 ` Geert Uytterhoeven
2023-05-12 10:57 ` Marc Zyngier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=000000000000da2a8505fb71d81b@google.com \
--to=syzbot+afc1d968649e7e851562@syzkaller.appspotmail.com \
--cc=geert+renesas@glider.be \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=magnus.damm@gmail.com \
--cc=maz@kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox