Re: net build error
From: Dmitry Vyukov <dvyukov@google.com>
Date: 2018-09-23 08:14:24
On Sun, Sep 23, 2018 at 9:42 AM, syzbot [off-list ref] wrote:
Hello, syzbot found the following crash on: HEAD commit: 474ff2600889 net-ethtool: ETHTOOL_GUFO did not and should .. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=164c4059400000 kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=a72ba31e3224309179d4 compiler: gcc (GCC) 8.0.1 20180413 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+a72ba31e3224309179d4@syzkaller.appspotmail.com
+netdev The root cause: net/rds/ib.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:(.data..percpu..shared_aligned+0x0): first defined here net/rds/ib_cm.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_recv.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_ring.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_send.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_stats.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_sysctl.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_rdma.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_fmr.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here net/rds/ib_frmr.o:(.data..percpu..shared_aligned+0x0): multiple definition of `rds_ib_stats' net/rds/rdma_transport.o:/syzkaller/managers/upstream-net-this-kasan-gce/kernel/net/rds/rdma_transport.c:284: first defined here Makefile:1030: recipe for target 'vmlinux' failed make: *** [vmlinux] Error 1
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