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Sun, 02 Mar 2025 08:32:30 -0800 (PST) Date: Sun, 02 Mar 2025 08:32:30 -0800 In-Reply-To: <67a487f7.050a0220.19061f.05fc.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67c4881e.050a0220.1dee4d.0054.GAE@google.com> Subject: Re: [syzbot] [xfs?] WARNING in fsnotify_file_area_perm From: syzbot To: akpm@linux-foundation.org, amir73il@gmail.com, axboe@kernel.dk, brauner@kernel.org, cem@kernel.org, chandan.babu@oracle.com, djwong@kernel.org, jack@suse.cz, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: fzp1u3yjuo5bmpith6xeh4jq8m75tsiw X-Rspamd-Queue-Id: 2D426140005 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1740933151-481187 X-HE-Meta: U2FsdGVkX1+DWlONBHapRgQVPH+ZOg79xhCnhR1FLKKzQylToPg/Oi690339jDgoCHHaww9azmdqfil6sd55uYv5BLrrlgfkoeIDJmQghc5TXc1SNdPKfjdxyOQNoMWZ7oAa5s6XbV1MXGGA82u076mPARjZS42vhJC0QwtiaBT8KDp/vFOFd37X40bGxlXg79aO1GnlsjIbXhpwH+RIoK7JPrAQ00+GBIkvmZjjFYno24bkvn+faRKgJvw8TBl0hj0I0y9IUs/3iMRE3Grwo9WS7dTV8wWUzNBQa0ab8E4j7R96fM6YcmoGlHmMEFbhV21RGSZHRv7oCua212oZctbOnaodGUocxnneikCKem1bAHHneI5i6GVZt/7pgprWupRw21bERG94OYwpZOESuTE9TU4ovZfhQCv25KnaYyUC7kl8Fev8SYWMMFBxq3rA1MK/eKUR5Av5zLjA0QPa7oKlJ+l/q522R3Oiuv1JAX4di7/12OvOhduZCED0OynXkCuPhfzJSxh2MlkM5nECJ7XsKI9WRu69VgzsrsPjb+4clZgfl/4cKXSD+zhDE63mS5nEwKdRcmkzvpBBLfgWtcKF9yqhrkUsjaqKHosUq7R6ra/k/5W1N3xH7Xlqyw2o2bsOJgblbDPHgZjdz3EdJ/QvPdRZwcd4QVgszR/0RmynEI1BQDkyFjMdQmXyG9s0UssfN6gPN5kdKLDKb831GQgFVQNpxGlkSti+BPItMpTXd0YZXs0Wvh/rv/obKvIrVI8ATVgM7MNzpZi/p3gxHO7OBRbXT7TfD81ik+H1w/Jik5V2JKx7m0s5vE9w+uRr+6fsRkxXJYoTa5nDvGKQZGUhJRfRdhWlS9yYZ8kcRFvZAN2ZhFJakuMDak81wdGp3H9ChO3QaJxgMRXLgTKCCcInZ+Mveqf2Lui0zHyj8/+F0KHCjj+3uTDG19QkLjm1wxR/RrVJ7i8RrT+Uhim vubUELOW 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 Mlhlo87i I10a7jppW5gkuMPfHiabG9NxXev5FVUNhSlR87/uQLrweYS108ytX5HRwPx+eMPPGovwMmD5dFXTsrWU94+BD+K+/U9rPFlvM7PEmYkH3jzwi8q6QsJqQ/XDDEmnL/Qejjgi7zV66ocUeEGVJ2Hoc2Vb+OFuL7erkoijNtXlL1lQCSlJCCJDIB+pSUNKGjZzAEVM5ZKN/Zm/F06iy8IN1ZtbvvxveMJbIqeCRtcgkf+i4i79PyKvSA== 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: e056da87c780 Merge remote-tracking branch 'will/for-next/p.. 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=11f61864580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d6b7e15dc5b5e776 dashboard link: https://syzkaller.appspot.com/bug?extid=7229071b47908b19d5b7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=162aba97980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15f61864580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/3d8b1b7cc4c0/disk-e056da87.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b84c04cff235/vmlinux-e056da87.xz kernel image: https://storage.googleapis.com/syzbot-assets/2ae4d0525881/Image-e056da87.gz.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/4ea12659f0c0/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=1584cfb8580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7229071b47908b19d5b7@syzkaller.appspotmail.com XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Ending clean mount XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6440 at ./include/linux/fsnotify.h:145 fsnotify_file_area_perm+0x20c/0x25c include/linux/fsnotify.h:145 Modules linked in: CPU: 1 UID: 0 PID: 6440 Comm: syz-executor370 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : fsnotify_file_area_perm+0x20c/0x25c include/linux/fsnotify.h:145 lr : fsnotify_file_area_perm+0x20c/0x25c include/linux/fsnotify.h:145 sp : ffff8000a42569d0 x29: ffff8000a42569d0 x28: ffff0000dcec1b48 x27: ffff0000d68a1708 x26: ffff0000d68a16c0 x25: dfff800000000000 x24: 0000000000008000 x23: 0000000000000001 x22: ffff8000a4256b00 x21: 0000000000001000 x20: 0000000000000010 x19: ffff0000d68a16c0 x18: ffff8000a42566e0 x17: 000000000000e388 x16: ffff800080466c24 x15: 0000000000000001 x14: 1fffe0001b31513c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6d98000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0000000000001000 x2 : ffff8000a4256b00 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fsnotify_file_area_perm+0x20c/0x25c include/linux/fsnotify.h:145 (P) filemap_fault+0x12b0/0x1518 mm/filemap.c:3509 xfs_filemap_fault+0xc4/0x194 fs/xfs/xfs_file.c:1543 __do_fault+0xf8/0x498 mm/memory.c:4988 do_read_fault mm/memory.c:5403 [inline] do_fault mm/memory.c:5537 [inline] do_pte_missing mm/memory.c:4058 [inline] handle_pte_fault+0x3504/0x57b0 mm/memory.c:5900 __handle_mm_fault mm/memory.c:6043 [inline] handle_mm_fault+0xfa8/0x188c mm/memory.c:6212 do_page_fault+0x570/0x10a8 arch/arm64/mm/fault.c:690 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:783 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:919 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:432 el1h_64_sync_handler+0x60/0xcc arch/arm64/kernel/entry-common.c:510 el1h_64_sync+0x6c/0x70 arch/arm64/kernel/entry.S:595 __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:169 [inline] (P) fault_in_readable+0x168/0x310 mm/gup.c:2234 (P) fault_in_iov_iter_readable+0x1dc/0x22c lib/iov_iter.c:94 iomap_write_iter fs/iomap/buffered-io.c:950 [inline] iomap_file_buffered_write+0x490/0xd54 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2dc/0xac8 fs/xfs/xfs_file.c:792 xfs_file_write_iter+0x2c4/0x6ac fs/xfs/xfs_file.c:881 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x704/0xa9c fs/read_write.c:679 ksys_pwrite64 fs/read_write.c:786 [inline] __do_sys_pwrite64 fs/read_write.c:794 [inline] __se_sys_pwrite64 fs/read_write.c:791 [inline] __arm64_sys_pwrite64+0x188/0x220 fs/read_write.c:791 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: --- 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.