Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block net | 1 | 552d | 539d | 0/28 | auto-obsoleted due to no activity on 2023/09/25 19:09 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block net | 1 | 552d | 539d | 0/28 | auto-obsoleted due to no activity on 2023/09/25 19:09 |
================================================================== BUG: KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block write to 0xffff888127854008 of 4 bytes by task 9 on cpu 0: prb_flush_block net/packet/af_packet.c:831 [inline] prb_close_block net/packet/af_packet.c:887 [inline] prb_retire_current_block+0x1ad/0x250 net/packet/af_packet.c:1027 __packet_lookup_frame_in_block net/packet/af_packet.c:1157 [inline] packet_current_rx_frame net/packet/af_packet.c:1186 [inline] tpacket_rcv+0xcfe/0x1890 net/packet/af_packet.c:2416 dev_queue_xmit_nit+0x5c2/0x620 net/core/dev.c:2347 xmit_one net/core/dev.c:3584 [inline] dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3604 __dev_queue_xmit+0xfe6/0x1fe0 net/core/dev.c:4424 dev_queue_xmit include/linux/netdevice.h:3094 [inline] neigh_connected_output+0x258/0x2d0 net/core/neighbour.c:1594 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0xa6d/0xd20 net/ipv6/ip6_output.c:141 ip6_finish_output+0x438/0x540 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0xf5/0x230 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:450 [inline] ip6_local_out+0x76/0xd0 net/ipv6/output_core.c:155 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline] udp_tunnel6_xmit_skb+0x333/0x470 net/ipv6/ip6_udp_tunnel.c:111 send6+0x2ff/0x3c0 drivers/net/wireguard/socket.c:152 wg_socket_send_skb_to_peer+0xbd/0x130 drivers/net/wireguard/socket.c:178 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x127/0x360 drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read to 0xffff888127854008 of 4 bytes by task 4942 on cpu 1: prb_lookup_block net/packet/af_packet.c:1202 [inline] __tpacket_v3_has_room net/packet/af_packet.c:1333 [inline] __packet_rcv_has_room+0x1e4/0x220 net/packet/af_packet.c:1358 tpacket_rcv+0x2c5/0x1890 net/packet/af_packet.c:2346 dev_queue_xmit_nit+0x5c2/0x620 net/core/dev.c:2347 xmit_one net/core/dev.c:3584 [inline] dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3604 __dev_queue_xmit+0xfe6/0x1fe0 net/core/dev.c:4424 dev_queue_xmit include/linux/netdevice.h:3094 [inline] neigh_connected_output+0x258/0x2d0 net/core/neighbour.c:1594 neigh_output include/net/neighbour.h:542 [inline] ip_finish_output2+0x784/0x8b0 net/ipv4/ip_output.c:236 ip_finish_output+0x11a/0x2a0 net/ipv4/ip_output.c:324 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip_output+0xab/0x170 net/ipv4/ip_output.c:434 dst_output include/net/dst.h:450 [inline] ip_local_out+0xab/0xd0 net/ipv4/ip_output.c:130 iptunnel_xmit+0x33f/0x460 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1658/0x1720 net/ipv4/ip_tunnel.c:858 __gre_xmit net/ipv4/ip_gre.c:484 [inline] ipgre_xmit+0x5f6/0x6d0 net/ipv4/ip_gre.c:688 __netdev_start_xmit include/linux/netdevice.h:4916 [inline] netdev_start_xmit include/linux/netdevice.h:4925 [inline] xmit_one net/core/dev.c:3588 [inline] dev_hard_start_xmit+0x119/0x3f0 net/core/dev.c:3604 __dev_queue_xmit+0xfe6/0x1fe0 net/core/dev.c:4424 dev_queue_xmit include/linux/netdevice.h:3094 [inline] __bpf_tx_skb net/core/filter.c:2152 [inline] __bpf_redirect_no_mac net/core/filter.c:2182 [inline] __bpf_redirect+0x707/0x950 net/core/filter.c:2205 ____bpf_clone_redirect net/core/filter.c:2475 [inline] bpf_clone_redirect+0x18a/0x200 net/core/filter.c:2447 bpf_prog_1eda3e3d4f38ab1d+0x5f/0x64 bpf_dispatcher_nop_func include/linux/bpf.h:1257 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] bpf_test_run+0x1e5/0x4a0 net/bpf/test_run.c:433 bpf_prog_test_run_skb+0x830/0xba0 net/bpf/test_run.c:1094 bpf_prog_test_run+0x20f/0x3a0 kernel/bpf/syscall.c:4247 __sys_bpf+0x400/0x7a0 kernel/bpf/syscall.c:5652 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5739 x64_sys_call+0x2625/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 4942 Comm: syz.1.332 Tainted: G W 6.12.0-rc1-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== syz.1.332 (4942) used greatest stack depth: 8872 bytes left
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/30 08:28 | upstream | 9852d85ec9d4 | ba29ff75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block | ||
2024/08/27 19:26 | upstream | 3ec3f5fc4a91 | 6c853ff9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block | ||
2024/08/22 00:15 | upstream | 872cf28b8df9 | db5852f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block | ||
2024/08/19 19:23 | upstream | 47ac09b91bef | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __packet_rcv_has_room / prb_retire_current_block |