Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING: refcount bug in skb_expand_head net | 1 | 805d | 805d | 0/28 | closed as invalid on 2022/11/15 17:18 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING: refcount bug in skb_expand_head net | 1 | 805d | 805d | 0/28 | closed as invalid on 2022/11/15 17:18 |
------------[ cut here ]------------ refcount_t: saturated; leaking memory. WARNING: CPU: 0 PID: 3852 at lib/refcount.c:22 refcount_warn_saturate+0x116/0x1a0 lib/refcount.c:22 Modules linked in: CPU: 0 PID: 3852 Comm: kworker/0:10 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: wg-crypt-wg2 wg_packet_tx_worker RIP: 0010:refcount_warn_saturate+0x116/0x1a0 lib/refcount.c:22 Code: 0a 01 48 c7 c7 80 0a 3d 8b e8 36 3f 1a fd 0f 0b eb c5 e8 2d 40 52 fd c6 05 c3 44 27 0a 01 48 c7 c7 00 09 3d 8b e8 1a 3f 1a fd <0f> 0b eb a9 e8 11 40 52 fd c6 05 a8 44 27 0a 01 48 c7 c7 60 09 3d RSP: 0018:ffffc90013be7730 EFLAGS: 00010246 RAX: d19bdc3c4700e000 RBX: 0000000000000001 RCX: ffff888022b6d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff81528ede R09: fffff5200277ce45 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88802154d234 R14: 0000000000200000 R15: ffff88807b75edc0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe28000 CR3: 000000000ce8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> refcount_add include/linux/refcount.h:222 [inline] skb_expand_head+0x318/0x390 net/core/skbuff.c:2010 ip6_finish_output2+0x10f6/0x1530 net/ipv6/ip6_output.c:72 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:212 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline] udp_tunnel6_xmit_skb+0x587/0x9c0 net/ipv6/ip6_udp_tunnel.c:109 send6+0x6b7/0xac0 drivers/net/wireguard/socket.c:152 wg_socket_send_skb_to_peer+0x111/0x1d0 drivers/net/wireguard/socket.c:178 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1bb/0x810 drivers/net/wireguard/send.c:276 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/11 09:12 | linux-6.1.y | 88690811da69 | b7d9eb04 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | WARNING: refcount bug in skb_expand_head |