| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] memory leak in create_io_worker (2) | 0 (1) | 2022/02/22 23:40 |
syzbot |
sign-in | mailing list | source | docs |
| 🐞 Open [969] ≡ Subsystems 🐞 Fixed [4558] 🐞 Invalid [10510] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] memory leak in create_io_worker (2) | 0 (1) | 2022/02/22 23:40 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | memory leak in create_io_worker io-uring fs | C | 5 | 592d | 631d | 22/24 | fixed on 2021/11/10 00:50 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/04/18 02:40 | 17m | retest repro | upstream | OK log | |
| 2023/04/18 01:40 | 17m | retest repro | upstream | OK log | |
| 2023/04/18 00:40 | 22m | retest repro | upstream | report log | |
| 2023/04/17 23:40 | 22m | retest repro | upstream | OK log | |
| 2022/11/11 11:30 | 16m | retest repro | upstream | report log | |
| 2022/03/02 03:29 | 7m | phind.uet@gmail.com | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master | report log |
executing program
executing program
executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888112ec56c0 (size 192):
comm "syz-executor313", pid 30410, jiffies 4294958360 (age 18.100s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff816515c6>] kmalloc_node include/linux/slab.h:599 [inline]
[<ffffffff816515c6>] kzalloc_node include/linux/slab.h:726 [inline]
[<ffffffff816515c6>] create_io_worker+0x46/0x250 fs/io-wq.c:812
[<ffffffff81652ab2>] create_worker_cb+0xd2/0xf0 fs/io-wq.c:331
[<ffffffff81273853>] task_work_run+0x73/0xb0 kernel/task_work.c:164
[<ffffffff8163dadd>] tracehook_notify_signal include/linux/tracehook.h:213 [inline]
[<ffffffff8163dadd>] io_run_task_work fs/io_uring.c:2595 [inline]
[<ffffffff8163dadd>] io_run_task_work fs/io_uring.c:2591 [inline]
[<ffffffff8163dadd>] io_run_task_work_sig+0x6d/0x110 fs/io_uring.c:7684
[<ffffffff8164ec75>] io_cqring_wait_schedule fs/io_uring.c:7701 [inline]
[<ffffffff8164ec75>] io_cqring_wait fs/io_uring.c:7770 [inline]
[<ffffffff8164ec75>] __do_sys_io_uring_enter+0x715/0xf60 fs/io_uring.c:10178
[<ffffffff844b4875>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff844b4875>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/02/18 23:34 | upstream | 7993e65fdd0f | 3cd800e4 | .config | console log | report | syz | C | ci-upstream-gce-leak | memory leak in create_io_worker | ||
| 2022/07/30 13:46 | upstream | e65c6a46df94 | fef302b1 | .config | console log | report | syz | C | ci-upstream-gce-leak | memory leak in create_io_worker | ||
| 2022/11/15 04:09 | upstream | 094226ad94f4 | 943f4cb8 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-leak | memory leak in create_io_worker | ||
| 2022/04/17 21:42 | upstream | a2c29ccd9477 | 8bcc32a6 | .config | console log | report | syz | ci-upstream-gce-leak | memory leak in create_io_worker |