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protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ================================================================== BUG: KCSAN: data-race in __skb_recv_udp / __udp_enqueue_schedule_skb read to 0xffff888111717610 of 8 bytes by task 14032 on cpu 1: skb_queue_empty include/linux/skbuff.h:1494 [inline] __skb_recv_udp+0x18d/0x500 net/ipv4/udp.c:1653 udp_recvmsg+0xe1/0xb10 net/ipv4/udp.c:1712 inet_recvmsg+0xbb/0x250 net/ipv4/af_inet.c:838 sock_recvmsg_nosec+0x5c/0x70 net/socket.c:871 ___sys_recvmsg+0x1a0/0x3e0 net/socket.c:2480 do_recvmmsg+0x19a/0x5c0 net/socket.c:2601 __sys_recvmmsg+0x1ef/0x200 net/socket.c:2680 __do_sys_recvmmsg net/socket.c:2703 [inline] __se_sys_recvmmsg net/socket.c:2696 [inline] __x64_sys_recvmmsg+0x89/0xb0 net/socket.c:2696 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888111717610 of 8 bytes by interrupt on cpu 0: __skb_insert include/linux/skbuff.h:1852 [inline] __skb_queue_before include/linux/skbuff.h:1958 [inline] __skb_queue_tail include/linux/skbuff.h:1991 [inline] __udp_enqueue_schedule_skb+0x2c1/0x410 net/ipv4/udp.c:1470 __udp_queue_rcv_skb net/ipv4/udp.c:1940 [inline] udp_queue_rcv_one_skb+0x7bd/0xc70 net/ipv4/udp.c:2057 udp_queue_rcv_skb+0xb5/0x400 net/ipv4/udp.c:2074 udp_unicast_rcv_skb.isra.0+0x7e/0x1c0 net/ipv4/udp.c:2233 __udp4_lib_rcv+0xa44/0x17c0 net/ipv4/udp.c:2300 udp_rcv+0x2b/0x40 net/ipv4/udp.c:2470 ip_protocol_deliver_rcu+0x4d/0x420 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x110/0x140 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_local_deliver+0x133/0x210 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:442 [inline] ip_rcv_finish+0x121/0x160 net/ipv4/ip_input.c:413 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_rcv+0x18f/0x1a0 net/ipv4/ip_input.c:523 __netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5010 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5124 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14033 Comm: syz-executor.5 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/04 13:20 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 18e12644 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/03 23:36 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | b35fad31 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/30 22:40 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | a41ca8fa | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/28 18:48 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 439d7b14 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 14:53 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 25bb509e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 07:37 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 413926c5 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/23 03:15 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | d0686497 | .config | console log | report | ci2-upstream-kcsan-gce |