| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/07/31 | linux-6.6.y (ToT) | dbcb8d8e4163 | C | [report] UBSAN: shift-out-of-bounds in ocfs2_fill_super |
| 2025/07/31 | upstream (ToT) | 260f6f4fda93 | C | Didn't crash |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/07/31 | linux-6.6.y (ToT) | dbcb8d8e4163 | C | [report] UBSAN: shift-out-of-bounds in ocfs2_fill_super |
| 2025/07/31 | upstream (ToT) | 260f6f4fda93 | C | Didn't crash |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | UBSAN: shift-out-of-bounds in ocfs2_fill_super ocfs2 | -1 | C | 199 | 368d | 436d | 28/29 | fixed on 2024/10/22 11:56 | ||
| linux-5.15 | UBSAN: shift-out-of-bounds in ocfs2_fill_super missing-backport origin:lts-only | -1 | C | done | 73 | 13d | 389d | 0/3 | upstream: reported C repro on 2024/09/30 21:30 | |
| upstream | UBSAN: shift-out-of-bounds in ocfs2_fill_super (2) ocfs2 | -1 | C | 81 | 343d | 363d | 28/29 | fixed on 2024/12/16 09:50 | ||
| linux-6.1 | UBSAN: shift-out-of-bounds in ocfs2_fill_super origin:lts-only | -1 | C | inconclusive | 61 | 6d09h | 363d | 0/3 | upstream: reported C repro on 2024/10/27 03:28 |
=======================================================
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/ocfs2/super.c:2369:4
shift exponent 40 is too large for 32-bit type 'int'
CPU: 0 PID: 5951 Comm: syz.0.16 Not tainted 6.6.100-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
__ubsan_handle_shift_out_of_bounds+0x380/0x400 lib/ubsan.c:387
ocfs2_verify_volume fs/ocfs2/super.c:2369 [inline]
ocfs2_sb_probe fs/ocfs2/super.c:792 [inline]
ocfs2_fill_super+0xdb8/0x4d90 fs/ocfs2/super.c:988
mount_bdev+0x22b/0x2d0 fs/super.c:1643
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3371
do_mount fs/namespace.c:3711 [inline]
__do_sys_mount fs/namespace.c:3920 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3897
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc4b159014a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe09d8cbe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe09d8cc70 RCX: 00007fc4b159014a
RDX: 0000200000004440 RSI: 0000200000000040 RDI: 00007ffe09d8cc30
RBP: 0000200000004440 R08: 00007ffe09d8cc70 R09: 00000000000008c0
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000200000000040
R13: 00007ffe09d8cc30 R14: 0000000000004440 R15: 0000200000000480
</TASK>
================================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/07/29 17:03 | linux-6.6.y | dbcb8d8e4163 | c4a95487 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-6-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | |
| 2025/09/07 03:25 | linux-6.6.y | 355bd0b51d2f | d291dd2d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2025/09/07 03:22 | linux-6.6.y | 355bd0b51d2f | d291dd2d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2025/07/29 03:00 | linux-6.6.y | dbcb8d8e4163 | 6654ea9c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2025/07/29 03:00 | linux-6.6.y | dbcb8d8e4163 | 6654ea9c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super |