| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [fs?] KMSAN: kernel-infoleak in sys_name_to_handle_at (2) | 0 (1) | 2023/04/03 06:23 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [fs?] KMSAN: kernel-infoleak in sys_name_to_handle_at (2) | 0 (1) | 2023/04/03 06:23 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KMSAN: kernel-infoleak in sys_name_to_handle_at (3) nfs | 1 | 591d | 591d | 0/28 | closed as invalid on 2023/12/22 15:49 | |||
| upstream | KMSAN: kernel-infoleak in sys_name_to_handle_at nfs | 2 | 889d | 883d | 0/28 | auto-obsoleted due to no activity on 2023/03/17 17:26 | |||
| upstream | KMSAN: kernel-infoleak in sys_name_to_handle_at (4) nfs | C | 7 | 447d | 496d | 25/28 | fixed on 2024/04/10 03:59 |
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.
=======================================================
=====================================================
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x100 lib/usercopy.c:40
instrument_copy_to_user include/linux/instrumented.h:114 [inline]
_copy_to_user+0xbc/0x100 lib/usercopy.c:40
copy_to_user include/linux/uaccess.h:191 [inline]
do_sys_name_to_handle fs/fhandle.c:73 [inline]
__do_sys_name_to_handle_at fs/fhandle.c:109 [inline]
__se_sys_name_to_handle_at+0x7be/0x8f0 fs/fhandle.c:93
__ia32_sys_name_to_handle_at+0xe3/0x150 fs/fhandle.c:93
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
entry_SYSENTER_compat_after_hwframe+0x70/0x82
Uninit was created at:
slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:716
slab_alloc_node mm/slub.c:3451 [inline]
__kmem_cache_alloc_node+0x4ff/0x8b0 mm/slub.c:3490
__do_kmalloc_node mm/slab_common.c:965 [inline]
__kmalloc+0x121/0x3c0 mm/slab_common.c:979
kmalloc include/linux/slab.h:563 [inline]
do_sys_name_to_handle fs/fhandle.c:40 [inline]
__do_sys_name_to_handle_at fs/fhandle.c:109 [inline]
__se_sys_name_to_handle_at+0x39b/0x8f0 fs/fhandle.c:93
__ia32_sys_name_to_handle_at+0xe3/0x150 fs/fhandle.c:93
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
entry_SYSENTER_compat_after_hwframe+0x70/0x82
Bytes 18-19 of 20 are uninitialized
Memory access of size 20 starts at ffff8880a6831a00
Data copied to user address 0000000020000100
CPU: 0 PID: 6629 Comm: syz-executor.5 Not tainted 6.4.0-rc4-syzkaller-g2741f1b02117 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
=====================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/06/03 04:32 | https://github.com/google/kmsan.git master | 2741f1b02117 | a4ae4f42 | .config | console log | report | info | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in sys_name_to_handle_at | |||
| 2023/05/29 08:57 | https://github.com/google/kmsan.git master | f93f2feda5d6 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in sys_name_to_handle_at | ||
| 2023/03/21 07:48 | https://github.com/google/kmsan.git master | 90ea0df61c98 | 7939252e | .config | console log | report | info | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in sys_name_to_handle_at |