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================================================================== BUG: KCSAN: data-race in cma_comp_exch / rdma_resolve_addr write to 0xffff8880a73bda1c of 4 bytes by task 7740 on cpu 0: cma_comp_exch+0x84/0xc0 drivers/infiniband/core/cma.c:441 addr_handler+0x80/0x2f0 drivers/infiniband/core/cma.c:3033 process_one_req+0xc2/0x3a0 drivers/infiniband/core/addr.c:644 process_one_work+0x3d4/0x890 kernel/workqueue.c:2269 worker_thread+0xa0/0x800 kernel/workqueue.c:2415 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff8880a73bda1c of 4 bytes by task 30237 on cpu 1: rdma_resolve_addr+0x56/0x10e0 drivers/infiniband/core/cma.c:3156 ucma_resolve_ip+0x105/0x180 drivers/infiniband/core/ucma.c:708 ucma_write+0x1fe/0x2a0 drivers/infiniband/core/ucma.c:1684 __vfs_write+0x67/0xc0 fs/read_write.c:494 vfs_write fs/read_write.c:558 [inline] vfs_write+0x18a/0x390 fs/read_write.c:542 ksys_write+0x17b/0x1b0 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x4c/0x60 fs/read_write.c:620 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 30237 Comm: syz-executor.0 Not tainted 5.4.0-rc7+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/22 19:56 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 598ca6c8 | .config | console log | report | ci2-upstream-kcsan-gce |