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 +o4FGCYc xQJ4l6N+1ByBjcp+MVuc6K53qY2Zf1pjchvv25N70TZXm4Dut4Tkv9b3vGeWSUzeurEyDIozksRgP9Q+KyBLsRgFT34CgwO+f0xsABNN17Ffudf3kxymhWk9Vlr9JkvKGRKr8h4PZ759I3L1dD0kiYmwt/jjf4FO71tVkXeb4u5gqtJ6r5nYEZS3QPMZ47YA8gZlsqQfv5wTixxu3jDom9xQIjd3VbdwDSyQwEozKDJSjgOK1WvjLylk9rvVpGicz4Ivmw/E7xBvtOnF3BnWYiIkSEAJ3uJh4SvoFgCmNiJetI0U3vktKLSaQPSK6IbRrFfSQmFCF1kRohebABeHrPINgVMuG1IgUY4MMH0Cy9eftcRUp4rWI9SGUcKhDJOzj/ETsEOheEFUvljBZEI1Te+uN/ilbozaKvPJ7egFftfbQ7HLACbg1RBPSdTNPeP4UJv0cTGO3bdhygdXoGA8QPhEYZWY8JzK3ddUveqJ5hI= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 5445d6419962 arm64: Don't read GMID_EL1 when MTE is disabled 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=1517ecf9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=56ed23170c168d4c dashboard link: https://syzkaller.appspot.com/bug?extid=c6879dc677a017f0a21b compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147ad125580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=127ad125580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e8b70e3bd109/disk-5445d641.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e5227e56ac93/vmlinux-5445d641.xz kernel image: https://storage.googleapis.com/syzbot-assets/54905f78be59/Image-5445d641.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c6879dc677a017f0a21b@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: mm/vma.h:277 at assert_sane_pgoff mm/vma.h:277 [inline], CPU#1: syz.0.17/4912 WARNING: mm/vma.h:277 at vma_set_pgoff mm/vma.h:283 [inline], CPU#1: syz.0.17/4912 WARNING: mm/vma.h:277 at vma_add_pgoff+0x50c/0x700 mm/vma.h:314, CPU#1: syz.0.17/4912 Modules linked in: CPU: 1 UID: 0 PID: 4912 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : assert_sane_pgoff mm/vma.h:277 [inline] pc : vma_set_pgoff mm/vma.h:283 [inline] pc : vma_add_pgoff+0x50c/0x700 mm/vma.h:314 lr : assert_sane_pgoff mm/vma.h:277 [inline] lr : vma_set_pgoff mm/vma.h:283 [inline] lr : vma_add_pgoff+0x50c/0x700 mm/vma.h:314 sp : ffff8000963176e0 x29: ffff800096317700 x28: 1fffe00019d174aa x27: 0000000000000001 x26: ffff0000c659b700 x25: dfff800000000000 x24: 1fffe00019d174b0 x23: ffff0000ce8ba580 x22: 0000000000020a97 x21: ffff0000ce8ba548 x20: ffff0000ce8ba500 x19: 0000000020001000 x18: 1fffe00035ba3828 x17: ffff800080adeaf4 x16: ffff800080addecc x15: ffff800080b8bf18 x14: ffff800080b96bac x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000003 x9 : 0000000000000000 x8 : 0000000000000000 x7 : ffff800080bee7b0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080ae89e0 x2 : 0000000000020001 x1 : ffff0000c825bb00 x0 : 0000000000000000 Call trace: assert_sane_pgoff mm/vma.h:277 [inline] (P) vma_set_pgoff mm/vma.h:283 [inline] (P) vma_add_pgoff+0x50c/0x700 mm/vma.h:314 (P) __split_vma+0x6a8/0x83c mm/vma.c:607 split_vma mm/vma.c:643 [inline] vma_modify+0x11ac/0x18f0 mm/vma.c:1771 vma_modify_policy+0x210/0x2b8 mm/vma.c:1834 mbind_range+0x160/0x3e4 mm/mempolicy.c:1061 do_mbind mm/mempolicy.c:1563 [inline] kernel_mbind mm/mempolicy.c:1760 [inline] __do_sys_mbind mm/mempolicy.c:1834 [inline] __se_sys_mbind mm/mempolicy.c:1830 [inline] __arm64_sys_mbind+0x5c8/0x994 mm/mempolicy.c:1830 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590 irq event stamp: 928 hardirqs last enabled at (927): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (927): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (928): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (208): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (208): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (208): [] do_sve_acc+0x32c/0x4b8 arch/arm64/kernel/fpsimd.c:1349 softirqs last disabled at (206): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (206): [] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline] softirqs last disabled at (206): [] do_sve_acc+0x10c/0x4b8 arch/arm64/kernel/fpsimd.c:1325 ---[ end trace 0000000000000000 ]--- --- 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