On Tue, 15 Nov 2022 at 23:48, syzbot <syzbot+fade8a8e2bdc29b3a90b@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 9e4ce762f0e7 Merge branches 'for-next/acpi', 'for-next/asm.. > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci > console output: https://syzkaller.appspot.com/x/log.txt?x=1502ad35880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=20ffacc1ce1c99b5 > dashboard link: https://syzkaller.appspot.com/bug?extid=fade8a8e2bdc29b3a90b > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > userspace arch: arm64 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14f33159880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e33ef1880000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/a70eb29add74/disk-9e4ce762.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/769d096516a8/vmlinux-9e4ce762.xz > kernel image: https://storage.googleapis.com/syzbot-assets/9309615f51d5/Image-9e4ce762.gz.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/0332fee8ec34/mount_0.gz The reproducer mounts ntfs3, so I think it's related to ntfs3. +maintainers. > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+fade8a8e2bdc29b3a90b@xxxxxxxxxxxxxxxxxxxxxxxxx > > loop0: detected capacity change from 0 to 8226 > ntfs3: loop0: Mark volume as dirty due to NTFS errors > ntfs3: loop0: Failed to load $Extend. > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __blk_flush_plug+0x1a4/0x1a4 > CPU: 0 PID: 4370 Comm: syz-executor220 Not tainted 6.1.0-rc5-syzkaller-32254-g9e4ce762f0e7 #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 > Call trace: > dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156 > show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163 > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106 > dump_stack+0x1c/0x58 lib/dump_stack.c:113 > panic+0x218/0x508 kernel/panic.c:274 > warn_bogus_irq_restore+0x0/0x40 kernel/panic.c:703 > blk_finish_plug+0x0/0x54 > SMP: stopping secondary CPUs > Kernel Offset: disabled > CPU features: 0x00000,040e0108,4c017203 > Memory Limit: none > Rebooting in 86400 seconds.. > > > --- > 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@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this issue, for details see: > https://goo.gl/tpsmEJ#testing-patches