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david@redhat.com, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 459F520009 X-Stat-Signature: sughw8b6dup46x547rkwmydycooy64je X-Rspam-User: X-HE-Tag: 1735388686-964637 X-HE-Meta: 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hDtNqTWFQ12XvDZkHwm6umd2ocFdhVdvcB1XICBeLRn3Iev69ttbeiM6P8rnbfweRw1xYoQtVa72pDyTmfpJegSDcBZTuMTKC5FNLqEan+uVGupuGzJ5yozn+lej6YzQquRvh7FafXWBkBcsv69zO7wsA416mwBSfaDwxxevOn9euAMGvnI2ZNu1Ow0UdfGDrTlP6PMSomb3oaMHNE+j2XbNNq3YySmm X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot has found a reproducer for the following issue on: HEAD commit: 8155b4ef3466 Add linux-next specific files for 20241220 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1661050f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=9c90bb7161a56c88 dashboard link: https://syzkaller.appspot.com/bug?extid=c0673e1f1f054fac28c2 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17438af8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101006df980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/98a974fc662d/disk-8155b4ef.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2dea9b72f624/vmlinux-8155b4ef.xz kernel image: https://storage.googleapis.com/syzbot-assets/593a42b9eb34/bzImage-8155b4ef.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/5f780361c9ef/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c0673e1f1f054fac28c2@syzkaller.appspotmail.com xfs_vn_setattr+0x25d/0x320 fs/xfs/xfs_iops.c:1065 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x220/0x310 fs/open.c:65 do_ftruncate+0x4a1/0x540 fs/open.c:192 do_sys_ftruncate fs/open.c:207 [inline] __do_sys_ftruncate fs/open.c:212 [inline] __se_sys_ftruncate fs/open.c:210 [inline] __x64_sys_ftruncate+0x94/0xf0 fs/open.c:210 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11276 at ./include/linux/rmap.h:217 __folio_rmap_sanity_checks+0x369/0x590 include/linux/rmap.h:217 Modules linked in: CPU: 1 UID: 0 PID: 11276 Comm: syz-executor139 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__folio_rmap_sanity_checks+0x369/0x590 include/linux/rmap.h:217 Code: 0f 0b 90 e9 e9 fd ff ff e8 64 cb ab ff 48 ff cb e9 34 fe ff ff e8 57 cb ab ff 4c 89 e7 48 c7 c6 e0 a7 15 8c e8 08 a4 f5 ff 90 <0f> 0b 90 e9 25 fe ff ff e8 3a cb ab ff 4c 89 e7 48 c7 c6 40 a9 15 RSP: 0018:ffffc9000e67efd8 EFLAGS: 00010246 RAX: 8577b516ce8a9400 RBX: ffffea0001a58080 RCX: ffffc9000e67eb03 RDX: 0000000000000005 RSI: ffffffff8c0aaba0 RDI: ffffffff8c5fed00 RBP: 00000000000024c0 R08: ffffffff901ab1f7 R09: 1ffffffff203563e R10: dffffc0000000000 R11: fffffbfff203563f R12: ffffea0001a50000 R13: ffffea0001a55c00 R14: 0000000000000000 R15: 0000000000000093 FS: 00007f885c85f6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88545b7000 CR3: 000000007fea2000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __folio_add_rmap mm/rmap.c:1170 [inline] __folio_add_file_rmap mm/rmap.c:1489 [inline] folio_add_file_rmap_ptes+0x82/0x380 mm/rmap.c:1511 set_pte_range+0x30c/0x750 mm/memory.c:5136 filemap_map_folio_range mm/filemap.c:3639 [inline] filemap_map_pages+0xfbe/0x1900 mm/filemap.c:3748 do_fault_around mm/memory.c:5351 [inline] do_read_fault mm/memory.c:5384 [inline] do_fault mm/memory.c:5527 [inline] do_pte_missing mm/memory.c:4048 [inline] handle_pte_fault+0x3888/0x5ee0 mm/memory.c:5890 __handle_mm_fault mm/memory.c:6033 [inline] handle_mm_fault+0x11f5/0x1d50 mm/memory.c:6202 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x1a92/0x4140 mm/gup.c:1491 populate_vma_page_range+0x264/0x330 mm/gup.c:1929 __mm_populate+0x27a/0x460 mm/gup.c:2032 mm_populate include/linux/mm.h:3400 [inline] vm_mmap_pgoff+0x303/0x430 mm/util.c:585 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:607 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f885c8d20f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f885c85f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f885c95c6d8 RCX: 00007f885c8d20f9 RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f885c95c6d0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000028011 R11: 0000000000000246 R12: 00007f885c928908 R13: 00746e6572727563 R14: 632e79726f6d656d R15: 6d766b2f7665642f --- 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.