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UBSAN: shift-out-of-bounds in ntfs_fill_super

Status: upstream: reported C repro on 2023/03/08 09:55
Bug presence: origin:lts-only
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+010986becd65dbf9464b@syzkaller.appspotmail.com
First crash: 832d, last: 4d02h
Fix commit to backport (bisect log) :
tree: upstream
commit 91a4b1ee78cb100b19b70f077c247f211110348f
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Fri Jun 30 12:25:25 2023 +0000

  fs/ntfs3: Fix shift-out-of-bounds in ntfs_fill_super

  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[PATCH 6.1 0/1] fs: ntfs3: fix UBSAN: shift-out-of-bounds in ntfs_fill_super() 2 (2) 2024/04/24 10:11
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/12/19 linux-5.15.y (ToT) d0fc081c6241 C [report] UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/12/19 upstream (ToT) 2cf4f94d8e86 C Didn't crash
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream UBSAN: shift-out-of-bounds in ntfs_fill_super (2) ntfs3 C error 5716 570d 840d 25/28 fixed on 2023/12/21 03:45
upstream UBSAN: shift-out-of-bounds in ntfs_fill_super ntfs3 C done 3643 844d 1153d 22/28 fixed on 2023/02/24 13:50
linux-6.1 UBSAN: shift-out-of-bounds in ntfs_fill_super missing-backport origin:lts-only C done 2584 1d14h 830d 0/3 upstream: reported C repro on 2023/03/10 12:52
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/06/09 12:09 11m retest repro linux-5.15.y report log
2025/06/09 12:09 12m retest repro linux-5.15.y report log
2025/06/09 12:09 12m retest repro linux-5.15.y report log
2025/06/09 12:09 13m retest repro linux-5.15.y report log
2025/06/09 12:09 13m retest repro linux-5.15.y report log
2024/12/22 16:31 14m retest repro linux-5.15.y report log
2024/12/22 16:31 10m retest repro linux-5.15.y report log
2024/12/22 16:31 12m retest repro linux-5.15.y report log
2024/12/22 16:31 29m retest repro linux-5.15.y report log
2024/12/22 16:31 48m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/12/20 04:28 3h36m fix candidate upstream OK (1) job log
2023/11/09 07:28 1m fix candidate upstream error job log

Sample crash report:
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
================================================================================
UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:736:25
shift exponent 46 is too large for 32-bit type 'unsigned int'
CPU: 0 PID: 4167 Comm: syz-executor335 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
 ntfs_init_from_boot fs/ntfs3/super.c:736 [inline]
 ntfs_fill_super+0x230b/0x3c10 fs/ntfs3/super.c:930
 get_tree_bdev+0x3f1/0x610 fs/super.c:1325
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3010
 do_mount fs/namespace.c:3353 [inline]
 __do_sys_mount fs/namespace.c:3561 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3538
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2c4b26ac3a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffde7e8baf8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffde7e8bb10 RCX: 00007f2c4b26ac3a
RDX: 00002000000000c0 RSI: 0000200000000280 RDI: 00007ffde7e8bb10
RBP: 0000200000000280 R08: 00007ffde7e8bb50 R09: 000000000001f840
R10: 000000000000c059 R11: 0000000000000286 R12: 00002000000000c0
R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffde7e8bb50
 </TASK>
================================================================================

Crashes (2632):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/13 20:43 linux-5.15.y 1c700860e8bc 98683f8f .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/23 20:11 linux-5.15.y c16c81c81336 d34966d1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/01/06 12:05 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/07/15 00:26 linux-5.15.y f45bea23c39c eaeb5c15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/07/15 00:15 linux-5.15.y f45bea23c39c eaeb5c15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/12/19 17:09 linux-5.15.y d0fc081c6241 3ad490ea .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/06/13 20:42 linux-5.15.y 1c700860e8bc 98683f8f .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/10/27 10:54 linux-5.15.y 74cdd62cb470 65e8686b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/07/15 00:43 linux-5.15.y f45bea23c39c eaeb5c15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/07/15 00:25 linux-5.15.y f45bea23c39c eaeb5c15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/04/02 12:37 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2024/03/29 00:13 linux-5.15.y 9465fef4ae35 e91187ee .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/12/19 22:55 linux-5.15.y d0fc081c6241 3ad490ea .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/09/08 22:13 linux-5.15.y aff03380bda4 6654cf89 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/05/05 08:18 linux-5.15.y 8a7f2a5c5aa1 518a39a6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/05/29 10:50 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/05/08 15:32 linux-5.15.y 8a7f2a5c5aa1 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/22 21:43 linux-5.15.y 98f47d0e9b8c 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/11 10:50 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/10 06:19 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/04 21:51 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/26 03:20 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/09 18:04 linux-5.15.y 0c935c049b5c 47d015b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/09 01:47 linux-5.15.y 0c935c049b5c a775275d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/29 03:32 linux-5.15.y 0c935c049b5c 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/28 05:06 linux-5.15.y 0c935c049b5c 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/27 04:37 linux-5.15.y 0c935c049b5c 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/25 09:11 linux-5.15.y 0c935c049b5c 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/10 11:33 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/09 08:54 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/09 08:47 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/08 16:54 linux-5.15.y c16c81c81336 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/03 22:01 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/28 23:35 linux-5.15.y c16c81c81336 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/22 02:03 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/06/13 20:19 linux-5.15.y 1c700860e8bc 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/26 07:11 linux-5.15.y 98f47d0e9b8c 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/04 19:24 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/04 15:55 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/05/03 10:14 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/28 18:27 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/28 12:20 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/11 16:47 linux-5.15.y f7347f400572 94486846 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/09 16:13 linux-5.15.y 0c935c049b5c 47d015b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/02 20:25 linux-5.15.y 0c935c049b5c c799dfdd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/04/01 12:30 linux-5.15.y 0c935c049b5c 36d76a97 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/29 00:30 linux-5.15.y 0c935c049b5c 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/21 03:09 linux-5.15.y 0c935c049b5c 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/18 12:03 linux-5.15.y 0c935c049b5c ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/13 02:25 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/10 22:46 linux-5.15.y c16c81c81336 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/09 07:01 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/07 12:43 linux-5.15.y c16c81c81336 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/07 04:18 linux-5.15.y c16c81c81336 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/03/03 11:59 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/23 14:34 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/23 02:54 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/22 00:06 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2025/02/19 22:08 linux-5.15.y c16c81c81336 b257a9b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 UBSAN: shift-out-of-bounds in ntfs_fill_super
2023/03/08 09:55 linux-5.15.y d9b4a0c83a2d d2b00170 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan UBSAN: shift-out-of-bounds in ntfs_fill_super
* Struck through repros no longer work on HEAD.