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AHgh+RpKptCCZH4B4fw0aHlR/+HiJ1y2LwkF7A/Wd1z07qZ8u7tqKcIbbxpqrycB1mjkNbnO7BNNmzh4wmzJkvg=@vger.kernel.org X-Gm-Message-State: AOJu0YyCFWLwdneO+BSgEHQ+siYSFMGebDu3OZUAVI2lOtTHMo+zeeVB AabPeHf3x7UYkQaXhNA2zDlENldsJ2QLOiWy4kqikqEAYr+a35BQquRMkBKaTVEDY/JMy+/q0mB 16L4Vcjtm9XvdL39ko7WHf0MByjZ66Ly44W1YWXFgUmYOPzFCX4XRwTzqCE8= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:4fcf:b0:495:f697:92d9 with SMTP id 5614622812f47-4b2cdbc6a87mr9595234b6e.7.1787266363199; Thu, 20 Aug 2026 15:52:43 -0700 (PDT) Date: Thu, 20 Aug 2026 15:52:43 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a87853b.ae6ddae5.3da009.0023.GAE@google.com> Subject: [syzbot] [mm?] WARNING in vma_set_pgoff From: syzbot To: akpm@linux-foundation.org, jannh@google.com, liam@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, pfalcato@suse.de, syzkaller-bugs@googlegroups.com, vbabka@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4477a78374a5 Add linux-next specific files for 20260814 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=137fc679580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9b32a36dd637b06f dashboard link: https://syzkaller.appspot.com/bug?extid=f12658786a4153df5113 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=176d5949580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/994c1c8c560e/disk-4477a783.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cd54543d69ae/vmlinux-4477a783.xz kernel image: https://storage.googleapis.com/syzbot-assets/407cdf8f3fc2/bzImage-4477a783.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f12658786a4153df5113@syzkaller.appspotmail.com ------------[ cut here ]------------ pgoff != vma->vm_start >> 12 WARNING: mm/vma.h:277 at assert_sane_pgoff mm/vma.h:277 [inline], CPU#1: syz.0.17/5809 WARNING: mm/vma.h:277 at vma_set_pgoff+0x246/0x2d0 mm/vma.h:283, CPU#1: syz.0.17/5809 Modules linked in: CPU: 1 UID: 0 PID: 5809 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:assert_sane_pgoff mm/vma.h:277 [inline] RIP: 0010:vma_set_pgoff+0x246/0x2d0 mm/vma.h:283 Code: 0b 90 e9 d5 fe ff ff e8 a8 ed a0 ff 4c 89 f7 e8 50 5b 01 ff c6 05 b6 05 3c 0e 01 90 0f 0b 90 e9 fe fe ff ff e8 8b ed a0 ff 90 <0f> 0b 90 eb 9d 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c eb fd ff ff RSP: 0018:ffffc900035ef748 EFLAGS: 00010293 RAX: ffffffff8226cfa5 RBX: 0000000200000a98 RCX: ffff88802733ddc0 RDX: 0000000000000000 RSI: 0000000200000002 RDI: 0000000200000a98 RBP: 0000000000000007 R08: ffff888076188bc3 R09: 1ffff1100ec31178 R10: dffffc0000000000 R11: ffffed100ec31179 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888076188b40 R15: 0000000200000002 FS: 0000555576422500(0000) GS:ffff888124df8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f85a70000 CR3: 000000007cdfc000 CR4: 00000000003526f0 Call Trace: vma_add_pgoff+0x1a8/0x570 mm/vma.h:314 __split_vma+0x89e/0xa60 mm/vma.c:607 vms_gather_munmap_vmas+0x322/0x1370 mm/vma.c:1507 do_vmi_align_munmap+0x2b4/0x4b0 mm/vma.c:1675 do_vmi_munmap+0x252/0x2d0 mm/vma.c:1732 __vm_munmap+0x241/0x3e0 mm/vma.c:3390 __do_sys_munmap mm/mmap.c:1094 [inline] __se_sys_munmap mm/mmap.c:1091 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1091 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9f85b9e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff50d2f8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 00007f9f85e25fa0 RCX: 00007f9f85b9e0d9 RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000200000002000 RBP: 00007f9f85c35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9f85e25fac R14: 00007f9f85e25fa0 R15: 00007f9f85e25fa0 --- 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