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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| 9a42b976-7ffe-444f-9fd4-e1c437fc8274 | assessment-kcsan | Benign: ✅ Confident: ✅ | ❓ | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (6) | 2026/04/13 15:38 | 2026/04/13 15:38 | 2026/04/13 15:58 | 1a086e7c785fa4decf3678c4237591fa6fad1621 |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (2) wireguard | 6 | 1 | 608d | 608d | 0/29 | auto-obsoleted due to no activity on 2024/09/22 04:23 | |||
| upstream | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (3) wireguard | 6 | 1 | 444d | 444d | 0/29 | auto-obsoleted due to no activity on 2025/03/26 00:12 | |||
| upstream | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint wireguard | 6 | 2 | 712d | 720d | 0/29 | auto-obsoleted due to no activity on 2024/06/10 05:06 | |||
| upstream | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (4) wireguard | 6 | 2 | 332d | 341d | 0/29 | auto-obsoleted due to no activity on 2025/07/16 14:38 | |||
| upstream | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (5) wireguard | 6 | 3 | 122d | 102d | 0/29 | auto-obsoleted due to no activity on 2026/02/10 21:40 |
================================================================== BUG: KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint write to 0xffff88811afc9414 of 4 bytes by task 3424 on cpu 1: wg_socket_set_peer_endpoint+0x3d2/0x440 drivers/net/wireguard/socket.c:286 wg_socket_set_peer_endpoint_from_skb+0x6d/0xa0 drivers/net/wireguard/socket.c:305 wg_receive_handshake_packet drivers/net/wireguard/receive.c:150 [inline] wg_packet_handshake_receive_worker+0x3c4/0x5d0 drivers/net/wireguard/receive.c:213 process_one_work kernel/workqueue.c:3288 [inline] process_scheduled_works+0x513/0xa10 kernel/workqueue.c:3371 worker_thread+0x58a/0x780 kernel/workqueue.c:3452 kthread+0x22a/0x280 kernel/kthread.c:436 ret_from_fork+0x150/0x360 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 read to 0xffff88811afc9414 of 4 bytes by task 3578 on cpu 0: endpoint_eq drivers/net/wireguard/socket.c:263 [inline] wg_socket_set_peer_endpoint+0x270/0x440 drivers/net/wireguard/socket.c:281 wg_socket_set_peer_endpoint_from_skb+0x6d/0xa0 drivers/net/wireguard/socket.c:305 wg_receive_handshake_packet drivers/net/wireguard/receive.c:172 [inline] wg_packet_handshake_receive_worker+0x3f1/0x5d0 drivers/net/wireguard/receive.c:213 process_one_work kernel/workqueue.c:3288 [inline] process_scheduled_works+0x513/0xa10 kernel/workqueue.c:3371 worker_thread+0x58a/0x780 kernel/workqueue.c:3452 kthread+0x22a/0x280 kernel/kthread.c:436 ret_from_fork+0x150/0x360 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 value changed: 0x00000000 -> 0x0100007f Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3578 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/04/13 15:38 | upstream | 028ef9c96e96 | 9530ccf9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint |