[v4] migration: fix the memory overwriting risk in add_to_iovec

2021-06-24 Thread Lin Feng
From: Feng Lin When testing migration, a Segmentation fault qemu core is generated. 0 error_free (err=0x1) 1 0x7f8b862df647 in qemu_fclose (f=f@entry=0x55e06c247640) 2 0x7f8b8516d59a in migrate_fd_cleanup (s=s@entry=0x55e06c0e1ef0) 3 0x7f8b8516d66c in migrate_fd_cleanup_bh (opaque

[v3] migration: fix the memory overwriting risk in add_to_iovec

2021-06-22 Thread Lin Feng
From: Feng Lin When testing migration, a Segmentation fault qemu core is generated. 0 error_free (err=0x1) 1 0x7f8b862df647 in qemu_fclose (f=f@entry=0x55e06c247640) 2 0x7f8b8516d59a in migrate_fd_cleanup (s=s@entry=0x55e06c0e1ef0) 3 0x7f8b8516d66c in migrate_fd_cleanup_bh (opaque

[v2] migration: fix the memory overwriting risk in add_to_iovec

2021-06-22 Thread Lin Feng
From: Feng Lin When testing migration, a Segmentation fault qemu core is generated. 0 error_free (err=0x1) 1 0x7f8b862df647 in qemu_fclose (f=f@entry=0x55e06c247640) 2 0x7f8b8516d59a in migrate_fd_cleanup (s=s@entry=0x55e06c0e1ef0) 3 0x7f8b8516d66c in migrate_fd_cleanup_bh (opaque

[PATCH] migration: fix the memory overwriting risk in add_to_iovec

2021-06-22 Thread Lin Feng
From: Feng Lin When testing migration, a Segmentation fault qemu core is generated. 0 error_free (err=0x1) 1 0x7f8b862df647 in qemu_fclose (f=f@entry=0x55e06c247640) 2 0x7f8b8516d59a in migrate_fd_cleanup (s=s@entry=0x55e06c0e1ef0) 3 0x7f8b8516d66c in migrate_fd_cleanup_bh (opaque