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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, syzbot found the following issue on: HEAD commit: 6d69b6c12fce Merge tag 'nfs-for-6.10-1' of git://git.linux.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=164ce7f0980000 kernel config: https://syzkaller.appspot.com/x/.config?x=21de3d423116c304 dashboard link: https://syzkaller.appspot.com/bug?extid=8336c747d79a4c3a0944 compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=119fbe58980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a8443c980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-6d69b6c1.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9fa4d7c3665d/vmlinux-6d69b6c1.xz kernel image: https://storage.googleapis.com/syzbot-assets/131ac291917c/Image-6d69b6c1.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8336c747d79a4c3a0944@syzkaller.appspotmail.com Unable to handle kernel paging request at virtual address 007000000621a118 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [007000000621a118] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3189 Comm: syz-executor371 Not tainted 6.9.0-syzkaller-12124-g6d69b6c12fce #0 Hardware name: linux,dummy-virt (DT) pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cfs_rq_of kernel/sched/sched.h:1468 [inline] pc : update_cfs_rq_h_load kernel/sched/fair.c:9441 [inline] pc : task_h_load+0x40/0xb8 kernel/sched/fair.c:9466 lr : detach_tasks kernel/sched/fair.c:9181 [inline] lr : sched_balance_rq+0x80c/0xc94 kernel/sched/fair.c:11375 sp : ffff80008000bd50 x29: ffff80008000bd50 x28: f8f0000004c62538 x27: ffff8000825e3308 x26: 0000000000000001 x25: fff000007f8d6de0 x24: ffff80008000bf14 x23: fff000007f8d6340 x22: fff000007f8d6340 x21: fff000007f8d6d40 x20: ffff80008000be78 x19: f8f0000004c62480 x18: ffffffffffffffff x17: fff07ffffd331000 x16: ffff800080008000 x15: 0000000000000001 x14: 000000000000000a x13: 0000000000000000 x12: 0000000000000011 x11: 0000000000000001 x10: 0000000000000001 x9 : 0000000000000da8 x8 : fff000007f8d6440 x7 : f4f000000621a200 x6 : 0000000000000001 x5 : 00000000ffffbd09 x4 : ffff80008000be78 x3 : f5f000000602ff40 x2 : f87000000621a080 x1 : 00000000ffffa6e9 x0 : f8f0000004c62480 Call trace: update_cfs_rq_h_load kernel/sched/fair.c:9440 [inline] task_h_load+0x40/0xb8 kernel/sched/fair.c:9466 sched_balance_domains+0x270/0x3ac kernel/sched/fair.c:11798 sched_balance_softirq+0x50/0x74 kernel/sched/fair.c:12503 handle_softirqs+0x10c/0x240 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x1c/0x28 arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbc/0xd8 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:537 [inline] el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:551 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __pte_offset_map+0x2c/0x100 mm/pgtable-generic.c:292 pte_offset_map_nolock+0x38/0xb0 mm/pgtable-generic.c:314 handle_pte_fault mm/memory.c:5366 [inline] __handle_mm_fault+0x2e8/0xc20 mm/memory.c:5523 handle_mm_fault+0x68/0x27c mm/memory.c:5688 do_page_fault+0xf8/0x480 arch/arm64/mm/fault.c:578 do_translation_fault+0xac/0xbc arch/arm64/mm/fault.c:690 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:826 el0_ia+0xa4/0x118 arch/arm64/kernel/entry-common.c:598 el0t_64_sync_handler+0xd0/0x12c arch/arm64/kernel/entry-common.c:736 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: b5000082 1400001c f9404842 b4000382 (f9404c41) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: b5000082 cbnz x2, 0x10 4: 1400001c b 0x74 8: f9404842 ldr x2, [x2, #144] c: b4000382 cbz x2, 0x7c * 10: f9404c41 ldr x1, [x2, #152] <-- trapping instruction --- 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 report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel