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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| 5c58ae5c-0176-42ba-9829-018a755a588e | assessment-security | DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ | ❓ | KASAN: null-ptr-deref Write in rcuref_put (5) | 2026/05/23 07:56 | 2026/05/23 07:56 | 2026/05/23 08:08 | c69befb30ac10e158cc9d1557b508ee3f0eca1de |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KASAN: null-ptr-deref Write in rcuref_put (4) net | 12 | C | done | 7 | 308d | 426d | 29/29 | fixed on 2025/09/04 16:56 | |
| upstream | KASAN: null-ptr-deref Write in rcuref_put net | 12 | 1 | 742d | 742d | 0/29 | closed as invalid on 2024/06/25 17:44 | |||
| upstream | KASAN: null-ptr-deref Write in rcuref_put (3) net | 12 | 1 | 493d | 493d | 0/29 | closed as invalid on 2025/03/17 11:18 | |||
| upstream | KASAN: null-ptr-deref Write in rcuref_put (2) net | 12 | 1 | 607d | 607d | 0/29 | closed as invalid on 2024/11/27 19:42 |
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:112 [inline] BUG: KASAN: null-ptr-deref in atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326 [inline] BUG: KASAN: null-ptr-deref in __rcuref_put include/linux/rcuref.h:109 [inline] BUG: KASAN: null-ptr-deref in rcuref_put+0xf7/0x170 include/linux/rcuref.h:173 Write of size 4 at addr 0000000000000060 by task kworker/u8:4/57 CPU: 1 UID: 0 PID: 57 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: netns cleanup_net Call Trace: <TASK> dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 kasan_report+0x117/0x150 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200 instrument_atomic_read_write include/linux/instrumented.h:112 [inline] atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326 [inline] __rcuref_put include/linux/rcuref.h:109 [inline] rcuref_put+0xf7/0x170 include/linux/rcuref.h:173 dst_release+0x24/0x1b0 net/core/dst.c:168 dst_cache_destroy+0x118/0x190 net/core/dst_cache.c:187 netdev_run_todo+0xc1f/0xde0 net/core/dev.c:11770 ops_exit_rtnl_list net/core/net_namespace.c:189 [inline] ops_undo_list+0x3d8/0x940 net/core/net_namespace.c:248 cleanup_net+0x56b/0x800 net/core/net_namespace.c:702 process_one_work kernel/workqueue.c:3288 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3371 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3452 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/04/20 14:24 | net | 0cf004ffb61c | 303e2802 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | KASAN: null-ptr-deref Write in rcuref_put |