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| 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 (2) nfs | 3 | 722d | 783d | 0/28 | auto-obsoleted due to no activity on 2023/09/11 04:32 | |||
| 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 |
loop3: detected capacity change from 0 to 128 ===================================================== BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:121 [inline] BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x100 lib/usercopy.c:33 instrument_copy_to_user include/linux/instrumented.h:121 [inline] _copy_to_user+0xbc/0x100 lib/usercopy.c:33 copy_to_user include/linux/uaccess.h:169 [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+0x7c8/0x910 fs/fhandle.c:93 __ia32_sys_name_to_handle_at+0xdf/0x140 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+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook mm/slab.h:742 [inline] slab_alloc_node mm/slub.c:3398 [inline] __kmem_cache_alloc_node+0x6ee/0xc90 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x11d/0x3c0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [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+0x3a2/0x910 fs/fhandle.c:93 __ia32_sys_name_to_handle_at+0xdf/0x140 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+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 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 ffff8880927f9420 Data copied to user address 0000000020000780 CPU: 0 PID: 13653 Comm: syz-executor.3 Not tainted 6.1.0-syzkaller-64311-g5c6259d6d19f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 =====================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/12/17 17:26 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in sys_name_to_handle_at | ||
| 2022/12/12 21:21 | https://github.com/google/kmsan.git master | 5c6259d6d19f | 67be1ae7 | .config | console log | report | info | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in sys_name_to_handle_at |