Re: [syzbot] [ntfs3?] possible deadlock in attr_data_get_block

Re: [syzbot] [ntfs3?] possible deadlock in attr_data_get_block

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed

2024/07/17 07:12:44 parsed 1 programs
2024/07/17 07:12:44 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 17
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 17: File exists)


Tested on:

commit:         d57431c6 fs/ntfs3: Do copy_to_user out of run_lock
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1570832d980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=47d282ddffae809f
dashboard link: https://syzkaller.appspot.com/bug?extid=36bb70085ef6edc2ebb9
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

Re: [syzbot] [ntfs3?] possible deadlock in attr_data_get_block

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed

2024/07/17 09:30:00 parsed 1 programs
2024/07/17 09:30:00 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 17
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 17: File exists)


Tested on:

commit:         d57431c6 fs/ntfs3: Do copy_to_user out of run_lock
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git
console output: https://syzkaller.appspot.com/x/log.txt?x=168672e9980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=47d282ddffae809f
dashboard link: https://syzkaller.appspot.com/bug?extid=36bb70085ef6edc2ebb9
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

Re: [syzbot] [ntfs3?] possible deadlock in attr_data_get_block

[syzbot]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch:
checking file fs/ntfs3/frecord.c
patch: **** unexpected end of file in patch



Tested on:

commit:         92e5605a Merge tag 'linux_kselftest-fixes-6.10-rc5' of..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587
dashboard link: https://syzkaller.appspot.com/bug?extid=36bb70085ef6edc2ebb9
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16bfe146980000