On Sat, 29 Apr 2023 at 15:37, syzbot <syzbot+4aee2040dfac273d198e@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: cec24b8b6bb8 Merge tag 'char-misc-6.4-rc1' of git://git.ke.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=11334c30280000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c159a5b5ee7dcf56 > dashboard link: https://syzkaller.appspot.com/bug?extid=4aee2040dfac273d198e > 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 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+4aee2040dfac273d198e@xxxxxxxxxxxxxxxxxxxxxxxxx +arm mailing list Kernel started falling apart on arm during boot in various strange ways. #syz set subsystems: arm > 8<--- cut here --- > Unable to handle kernel paging request at virtual address df80a00c when read > [df80a00c] *pgd=80000080007003, *pmd=82893003, *pte=80216680 > Internal error: Oops: 207 [#1] PREEMPT SMP ARM > Modules linked in: > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller #0 > Hardware name: ARM-Versatile Express > PC is at __raw_readl arch/arm/include/asm/io.h:113 [inline] > PC is at gic_handle_irq+0x1c/0x7c drivers/irqchip/irq-gic.c:344 > LR is at generic_handle_arch_irq+0x60/0x80 kernel/irq/handle.c:238 > pc : [<8086e724>] lr : [<817e3dd0>] psr: 20000193 > sp : 82401e70 ip : 82401e90 fp : 82401e8c > r10: 825dfffd r9 : 8241ae40 r8 : 00000000 > r7 : df80a00c r6 : 81f1590c r5 : df80a000 r4 : 8240cde8 > r3 : 8086e708 r2 : 00904870 r1 : 81f4ff24 r0 : 82401eb8 > Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user > Control: 30c5387d Table: 80003000 DAC: fffffffd > Register r0 information: > 8<--- cut here --- > Unable to handle kernel paging request at virtual address fffffff7 when read > [fffffff7] *pgd=80000080007003, *pmd=deffd003, *pte=00000000 > Internal error: Oops: 207 [#2] PREEMPT SMP ARM > > > --- > 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. > > 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 > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/00000000000070ccd705fa79afe9%40google.com.
