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[syzbot] [ntfs3?] KMSAN: kernel-infoleak in listxattr | 0 (1) | 2024/01/04 12:04 |
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[syzbot] [ntfs3?] KMSAN: kernel-infoleak in listxattr | 0 (1) | 2024/01/04 12:04 |
===================================================== 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] listxattr+0x2e9/0x6a0 fs/xattr.c:843 path_listxattr fs/xattr.c:865 [inline] __do_sys_listxattr fs/xattr.c:877 [inline] __se_sys_listxattr fs/xattr.c:874 [inline] __x64_sys_listxattr+0x16b/0x2e0 fs/xattr.c:874 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: ntfs_list_ea fs/ntfs3/xattr.c:232 [inline] ntfs_listxattr+0x5d2/0x8d0 fs/ntfs3/xattr.c:733 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x1f0/0x6a0 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_listxattr fs/xattr.c:877 [inline] __se_sys_listxattr fs/xattr.c:874 [inline] __x64_sys_listxattr+0x16b/0x2e0 fs/xattr.c:874 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] ntfs_read_ea+0x78c/0x10b0 fs/ntfs3/xattr.c:118 ntfs_list_ea fs/ntfs3/xattr.c:204 [inline] ntfs_listxattr+0x173/0x8d0 fs/ntfs3/xattr.c:733 vfs_listxattr fs/xattr.c:494 [inline] listxattr+0x1f0/0x6a0 fs/xattr.c:841 path_listxattr fs/xattr.c:865 [inline] __do_sys_listxattr fs/xattr.c:877 [inline] __se_sys_listxattr fs/xattr.c:874 [inline] __x64_sys_listxattr+0x16b/0x2e0 fs/xattr.c:874 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Bytes 26-31 of 63 are uninitialized Memory access of size 63 starts at ffff888103174b40 Data copied to user address 0000000020000080 CPU: 0 PID: 5727 Comm: syz-executor.4 Not tainted 6.7.0-rc7-syzkaller-00029-g8735c7c84d1b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/12/29 22:28 | upstream | 8735c7c84d1b | fb427a07 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-root | KMSAN: kernel-infoleak in listxattr | ||
2024/01/22 09:52 | upstream | 9f8413c4a66f | 9bd8dcda | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in listxattr | ||
2023/12/29 22:29 | upstream | 8735c7c84d1b | fb427a07 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386-root | KMSAN: kernel-infoleak in listxattr | ||
2023/11/30 15:46 | upstream | 3b47bc037bd4 | f819d6f7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kmsan-gce-386 | KMSAN: kernel-infoleak in listxattr |