================================================================== BUG: KCSAN: data-race in addr_resolve / rdma_resolve_addr read to 0xffff88813da68184 of 4 bytes by task 16641 on cpu 0: addr6_resolve drivers/infiniband/core/addr.c:431 [inline] addr_resolve+0x290/0xd50 drivers/infiniband/core/addr.c:591 process_one_req+0xac/0x300 drivers/infiniband/core/addr.c:631 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 write to 0xffff88813da68184 of 4 bytes by task 31489 on cpu 1: cma_bind_addr drivers/infiniband/core/cma.c:3390 [inline] resolve_prepare_src drivers/infiniband/core/cma.c:3414 [inline] rdma_resolve_addr+0x522/0x11a0 drivers/infiniband/core/cma.c:3444 ucma_resolve_ip+0x25c/0x310 drivers/infiniband/core/ucma.c:695 ucma_write+0x198/0x230 drivers/infiniband/core/ucma.c:1744 vfs_write+0x26d/0x890 fs/read_write.c:589 ksys_write+0xe8/0x1a0 fs/read_write.c:644 __do_sys_write fs/read_write.c:656 [inline] __se_sys_write fs/read_write.c:653 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0x0000000b Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 31489 Comm: syz-executor.1 Not tainted 5.18.0-rc6-syzkaller-00085-gf3f19f939c11-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================