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| author | Paul Scott <408401+icio@users.noreply.github.com> | 2026-01-29 10:45:13 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2026-01-29 10:45:13 +0000 |
| commit | afc90ce804e0f0684d3887c1bcf56498ede399a9 (patch) | |
| tree | 0d35ed7639855b775df67d4db634a11f0d1d60ec /control/controlhttp/controlhttpserver | |
| parent | 2d2d5e6cc7ab097c43516c5db4372cec8b63c81a (diff) | |
| download | tailscale-afc90ce804e0f0684d3887c1bcf56498ede399a9.tar.xz tailscale-afc90ce804e0f0684d3887c1bcf56498ede399a9.zip | |
control/controlclient: add PersistView.Valid() check in NetmapFromMapResponseForDebug (#17878)
We were seeing some panics from nodes:
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xd42570]
goroutine 362555 [running]:
tailscale.com/types/persist.PersistView.PrivateNodeKey(...)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/types/persist/persist_view.go:89
tailscale.com/control/controlclient.NetmapFromMapResponseForDebug({0x1bac2e0, 0xc0a8692380}, {0xc0de5da0c0?}, 0xc0de66fd40)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/control/controlclient/direct.go:1175 +0x90
tailscale.com/ipn/ipnlocal.handleC2NDebugNetMap(0xc0b3f5af08, {0x1baa520, 0xc0a887b0c0}, 0xc0a869a280)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/ipn/ipnlocal/c2n.go:186 +0x405
tailscale.com/ipn/ipnlocal.(*LocalBackend).handleC2N(0xc0b3f5af08, {0x1baa520, 0xc0a887b0c0}, 0xc0a869a280)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/ipn/ipnlocal/c2n.go:121 +0x155
net/http.HandlerFunc.ServeHTTP(0x1bac150?, {0x1baa520?, 0xc0a887b0c0?}, 0xc049d47b20?)
net/http/server.go:2322 +0x29
tailscale.com/control/controlclient.answerC2NPing(0xc0d9808f20, {0x1b90f40, 0xc0c3bd0db0}, 0xc0b1c84ea0, 0xc0a29b3c80)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/control/controlclient/direct.go:1454 +0x455
tailscale.com/control/controlclient.(*Direct).answerPing(0xc09b173b88, 0xc0a29b3c80)
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/control/controlclient/direct.go:1398 +0x127
created by tailscale.com/control/controlclient.(*Direct).sendMapRequest in goroutine 361922
tailscale.com@v1.89.0-pre.0.20250926180200-7cbf56345bb3/control/controlclient/direct.go:1104 +0x20e5
Updates tailscale/corp#31367
Updates tailscale/corp#32095
Signed-off-by: Paul Scott <408401+icio@users.noreply.github.com>
Diffstat (limited to 'control/controlhttp/controlhttpserver')
0 files changed, 0 insertions, 0 deletions