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TiDB Crashlooping because of SIGSEV during runtime execution #66391
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
No deterministic SQL statements are found yet.
2. What did you expect to see? (Required)
(TiDB runs well)
3. What did you see instead (Required)
Panics are found:
fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x80 addr=0x0 pc=0x1c9ea45]
goroutine 5566613 gp=0xc005f69180 m=10 mp=0xc000680008 [running]:
/home/.../go/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.12.linux-amd64/src/runtime/panic.go:1073 +0x48 fp=0xc060549270 sp=0xc060549240 pc=0x1ce4a48
runtime.sigpanic()
/home/.../go/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.12.linux-amd64/src/runtime/signal_unix.go:901 +0x3c9 fp=0xc0605492d0 sp=0xc060549270 pc=0x1ce75e9
/home/.../go/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.12.linux-amd64/src/runtime/panic.go:611 +0x5e fp=0xc060549508 sp=0xc060549478 pc=0x1ca867e
created by github.com/pingcap/tidb/pkg/executor.(*UnionExec).initialize in goroutine 89221
goroutine 1 gp=0xc0000061c0 m=nil [chan receive, 4 minutes]:
goroutine 2 gp=0xc000006c40 m=nil [force gc (idle), 4 minutes]:
created by runtime.init.7 in goroutine 1
goroutine 3 gp=0xc000007180 m=nil [GC sweep wait]:
created by runtime.gcenable in goroutine 1
...
4. What is your TiDB version? (Required)
v7.5.6
Activity
pkg/executor: make UnionExec close race-safe (pingcap#66050)
pkg/executor: make UnionExec shutdown race-safe (#66050) (#67003)
pkg/executor: make UnionExec close race-safe (#66050) (#68762)