syzbot |
sign-in | mailing list | source | docs |
| 🐞 Open [994] ≡ Subsystems 🐞 Fixed [5244] 🐞 Invalid [12516] ⬇ Missing Backports [83] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] [overlayfs?] memory leak in ovl_parse_param | 2 (5) | 2023/11/12 15:09 |
| [PATCH] ovl: fix memory leak in ovl_parse_param | 2 (2) | 2023/11/12 14:36 |
| Re: [syzbot] [PATCH] Test memory leak in ovl_parse_param | 0 (1) | 2023/11/12 09:25 |
| Re: [syzbot] [PATCH] Test memory leak in ovl_parse_param | 0 (1) | 2023/11/12 05:16 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/11/12 14:37 | 20m | amir73il@gmail.com | https://github.com/amir73il/linux ovl-fixes | OK log | |
| 2023/11/12 09:25 | 18m | eadavis@qq.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 13d88ac54ddd | OK log |
| 2023/11/12 09:10 | 10m | amir73il@gmail.com | https://github.com/amir73il/linux ovl-fixes | report log | |
| 2023/11/12 05:16 | 5m | eadavis@qq.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 13d88ac54ddd | error OK |
executing program
BUG: memory leak
unreferenced object 0xffff8881009b40a8 (size 8):
comm "syz-executor225", pid 5035, jiffies 4294944336 (age 13.730s)
hex dump (first 8 bytes):
2e 00 00 00 00 00 00 00 ........
backtrace:
[<ffffffff8163331d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff8163331d>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff8163331d>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff8163331d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
[<ffffffff8157e57c>] __do_kmalloc_node mm/slab_common.c:1006 [inline]
[<ffffffff8157e57c>] __kmalloc_node_track_caller+0x4c/0x150 mm/slab_common.c:1027
[<ffffffff8156da4c>] kstrdup+0x3c/0x70 mm/util.c:62
[<ffffffff81d0438a>] ovl_parse_param_lowerdir fs/overlayfs/params.c:496 [inline]
[<ffffffff81d0438a>] ovl_parse_param+0x70a/0xc70 fs/overlayfs/params.c:576
[<ffffffff8170542b>] vfs_parse_fs_param+0xfb/0x190 fs/fs_context.c:146
[<ffffffff81705556>] vfs_parse_fs_string+0x96/0xd0 fs/fs_context.c:188
[<ffffffff8170566f>] vfs_parse_monolithic_sep+0xdf/0x130 fs/fs_context.c:230
[<ffffffff816dff08>] do_new_mount fs/namespace.c:3333 [inline]
[<ffffffff816dff08>] path_mount+0xc48/0x10d0 fs/namespace.c:3664
[<ffffffff816e0b41>] do_mount fs/namespace.c:3677 [inline]
[<ffffffff816e0b41>] __do_sys_mount fs/namespace.c:3886 [inline]
[<ffffffff816e0b41>] __se_sys_mount fs/namespace.c:3863 [inline]
[<ffffffff816e0b41>] __x64_sys_mount+0x1a1/0x1f0 fs/namespace.c:3863
[<ffffffff84b67d8f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b67d8f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88814002d070 (size 8):
comm "syz-executor225", pid 5036, jiffies 4294944900 (age 8.090s)
hex dump (first 8 bytes):
2e 00 00 00 00 00 00 00 ........
backtrace:
[<ffffffff8163331d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff8163331d>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff8163331d>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff8163331d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
[<ffffffff8157e57c>] __do_kmalloc_node mm/slab_common.c:1006 [inline]
[<ffffffff8157e57c>] __kmalloc_node_track_caller+0x4c/0x150 mm/slab_common.c:1027
[<ffffffff8156da4c>] kstrdup+0x3c/0x70 mm/util.c:62
[<ffffffff81d0438a>] ovl_parse_param_lowerdir fs/overlayfs/params.c:496 [inline]
[<ffffffff81d0438a>] ovl_parse_param+0x70a/0xc70 fs/overlayfs/params.c:576
[<ffffffff8170542b>] vfs_parse_fs_param+0xfb/0x190 fs/fs_context.c:146
[<ffffffff81705556>] vfs_parse_fs_string+0x96/0xd0 fs/fs_context.c:188
[<ffffffff8170566f>] vfs_parse_monolithic_sep+0xdf/0x130 fs/fs_context.c:230
[<ffffffff816dff08>] do_new_mount fs/namespace.c:3333 [inline]
[<ffffffff816dff08>] path_mount+0xc48/0x10d0 fs/namespace.c:3664
[<ffffffff816e0b41>] do_mount fs/namespace.c:3677 [inline]
[<ffffffff816e0b41>] __do_sys_mount fs/namespace.c:3886 [inline]
[<ffffffff816e0b41>] __se_sys_mount fs/namespace.c:3863 [inline]
[<ffffffff816e0b41>] __x64_sys_mount+0x1a1/0x1f0 fs/namespace.c:3863
[<ffffffff84b67d8f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b67d8f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/11/08 04:13 | upstream | 13d88ac54ddd | 83211397 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-leak | memory leak in ovl_parse_param |