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panic: Unknown syscall 257 error: link should be resolved via Readlink()

Status: fixed on 2019/07/10 20:52
Fix commit: 6db3f8d54c02 Don't mask errors in createAt loop.
First crash: 1972d, last: 1968d

Sample crash report:
panic: Unknown syscall 257 error: link should be resolved via Readlink()

goroutine 1460 [running]:
DIAGNOSIS:
retrieving stacks: getting sandbox "ci-gvisor-main-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer

Crashes (14):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/07/07 22:28 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-main
2019/07/07 22:26 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-ptrace-proxy-sandbox-race
2019/07/07 22:25 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-kvm-direct-sandbox
2019/07/07 22:21 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-kvm-direct-overlay-host-race
2019/07/07 22:21 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-kvm-proxy-overlay-sandbox
2019/07/07 22:14 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report syz ci-gvisor-ptrace-direct-overlay-host
2019/07/04 04:38 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report syz ci-gvisor-ptrace-direct-overlay-host
2019/07/04 04:35 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report syz ci-gvisor-main
2019/07/04 03:50 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report syz ci-gvisor-kvm-direct-overlay-host-race
2019/07/04 03:45 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report syz ci-gvisor-kvm-direct-overlay-host-race
2019/07/08 14:30 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report ci-gvisor-main
2019/07/07 22:02 https://gvisor.googlesource.com/gvisor master 67f2cefce028 f62e1e85 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/07/04 02:57 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/07/04 02:39 https://gvisor.googlesource.com/gvisor master 9f2f9f0cab7a 55565fa0 .config console log report ci-gvisor-kvm-direct-overlay-host-race
* Struck through repros no longer work on HEAD.