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 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