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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| 670af089-dd20-4368-bf68-0ae5517084d2 | assessment-security | DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ | ❓ | KMSAN: uninit-value in copy_from_kernel_nofault | 2026/05/25 04:31 | 2026/05/25 04:31 | 2026/05/25 05:22 | c69befb30ac10e158cc9d1557b508ee3f0eca1de |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [mm?] KMSAN: uninit-value in copy_from_kernel_nofault | 3 (4) | 2026/03/16 14:36 |
===================================================== BUG: KMSAN: uninit-value in copy_from_kernel_nofault+0x15f/0x570 mm/maccess.c:41 copy_from_kernel_nofault+0x15f/0x570 mm/maccess.c:41 prepend_copy fs/d_path.c:50 [inline] prepend fs/d_path.c:76 [inline] prepend_name fs/d_path.c:101 [inline] __prepend_path fs/d_path.c:133 [inline] prepend_path+0x64e/0x1090 fs/d_path.c:172 d_absolute_path+0x11b/0x240 fs/d_path.c:234 tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline] tomoyo_realpath_from_path+0x4bd/0x9f0 security/tomoyo/realpath.c:271 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x249/0x9a0 security/tomoyo/file.c:827 tomoyo_inode_getattr+0x35/0x40 security/tomoyo/tomoyo.c:123 security_inode_getattr+0x16e/0x590 security/security.c:1895 vfs_getattr fs/stat.c:259 [inline] vfs_fstat fs/stat.c:281 [inline] __do_sys_newfstat fs/stat.c:551 [inline] __se_sys_newfstat+0xd5/0xa60 fs/stat.c:546 __x64_sys_newfstat+0x78/0xb0 fs/stat.c:546 x64_sys_call+0x2f28/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:6 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f <Zero or more stacks not recorded to save memory> Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: copy_name fs/dcache.c:2928 [inline] __d_move+0xf72/0x2aa0 fs/dcache.c:2997 d_move+0x71/0xf0 fs/dcache.c:3044 vfs_rename+0x2510/0x2650 fs/namei.c:6079 filename_renameat2+0xb7f/0x1260 fs/namei.c:6182 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4577 [inline] slab_alloc_node mm/slub.c:4899 [inline] kmem_cache_alloc_lru_noprof+0x37a/0x1260 mm/slub.c:4918 __d_alloc+0x55/0xa00 fs/dcache.c:1807 d_alloc+0x57/0x300 fs/dcache.c:1886 lookup_one_qstr_excl+0x19d/0x7b0 fs/namei.c:1801 __start_renaming+0x38e/0x870 fs/namei.c:3890 filename_renameat2+0x735/0x1260 fs/namei.c:6157 __do_sys_rename fs/namei.c:6226 [inline] __se_sys_rename+0xc5/0x5d0 fs/namei.c:6222 __x64_sys_rename+0x78/0xb0 fs/namei.c:6222 x64_sys_call+0x329/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Bytes 5-7 of 8 are uninitialized Memory access of size 8 starts at ffff8880142ad338 CPU: 0 UID: 0 PID: 5917 Comm: udevd Tainted: G W syzkaller #0 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 =====================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/06/18 05:46 | upstream | 2b414a95b8f7 | b62b3ded | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/06/16 12:08 | upstream | 2b414a95b8f7 | 50bb0618 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/06/14 05:40 | upstream | 2b414a95b8f7 | 1d2f3589 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/06/11 11:37 | upstream | 9716c086c8e8 | b754d2d8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/06/02 00:57 | upstream | e43ffb69e043 | 1095583b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/06/01 01:03 | upstream | 8d9c51eac648 | 6b4a8443 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/24 22:12 | upstream | 6a97c4d5262d | c69befb3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/21 13:54 | upstream | 8bc67e4db64a | e195359d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/20 20:44 | upstream | df685633c3db | 62fb93a2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/18 12:48 | upstream | 5200f5f493f7 | 55156e84 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/13 06:41 | upstream | c21b90f77687 | a0949470 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/06 03:51 | upstream | 9207d47f966b | 26da2c66 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/04 09:15 | upstream | 6d35786de281 | a0d91488 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/04/22 04:34 | upstream | e2683c8868d0 | 0b6ab7ec | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/04/19 17:07 | upstream | faeab166167f | 303e2802 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/04/13 22:39 | upstream | 0f0013213293 | 1a086e7c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/05/15 01:38 | upstream | 66182ca873a4 | 6ccb967e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/04/10 10:40 | upstream | 9a9c8ce300cd | 38c8e246 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/03/28 22:39 | upstream | be762d8b6dd7 | 356bdfc9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in copy_from_kernel_nofault | ||
| 2026/03/12 10:17 | upstream | 80234b5ab240 | 4efadf07 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: uninit-value in copy_from_kernel_nofault |