Azcopy "panic: runtime error: invalid memory address or nil pointer dereference" when copying from S3 to Azure storage account #3308
Description
Which version of the AzCopy was used?
10.31
Which platform are you using? (ex: Windows, Mac, Linux)
Windows
What command did you run?
.\azcopy1031.exe copy "https://s3.eu-central-1.amazonaws.com/mys3bucket/PRD/" https://mystorageaccount.blob.core.windows.net/myblobcontainer?sv=2024-11-04&ss=b&srt=co&sp=rwdlaciytfx&se=2026-12-31T15:59:00Z&st=2025-11-28T07:44:00Z&spr=https&sig=** --include-pattern "filestore-PRD-20251125-2224.all.out.gz.enc" --recursive=true
What problem was encountered?
INFO: Scanning...
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x11e4771]
goroutine 1 [running]:
github.com/Azure/azure-storage-azcopy/v10/common.(*ServiceClient).FileServiceClient(...)
D:/a/_work/1/s/common/util.go:279
github.com/Azure/azure-storage-azcopy/v10/cmd.getShareProtocolType({0x1a23798, 0xc00052e570}, 0x0, {{0xc00004c2d0, 0x3a}, {0x0, 0x0}, {0x0, 0x0}}, 0x0)
D:/a/_work/1/s/cmd/flagsValidation.go:364 +0x171
github.com/Azure/azure-storage-azcopy/v10/cmd.validateShareProtocolCompatibility({0x1a23798?, 0xc00052e570?}, {{0xc00004c2d0, 0x3a}, {0x0, 0x0}, {0x0, 0x0}}, 0x17a1f13?, 0x1, ...)
D:/a/_work/1/s/cmd/flagsValidation.go:323 +0x77
github.com/Azure/azure-storage-azcopy/v10/cmd.validateProtocolCompatibility({0x1a23798, 0xc00052e570}, 0x603, {{0xc00004c2d0, 0x3a}, {0x0, 0x0}, {0x0, 0x0}}, {{0xc0005265c0, ...}, ...}, ...)
D:/a/_work/1/s/cmd/flagsValidation.go:413 +0x128
github.com/Azure/azure-storage-azcopy/v10/cmd.(*CookedCopyCmdArgs).processCopyJobPartOrders(0xc000563408)
D:/a/_work/1/s/cmd/copy.go:1199 +0x1189
github.com/Azure/azure-storage-azcopy/v10/cmd.(*CookedCopyCmdArgs).process(0xc000563408)
D:/a/_work/1/s/cmd/copy.go:798 +0x7b
github.com/Azure/azure-storage-azcopy/v10/cmd.init.2.func2(0xc0003f4908, {0xc00081a2d0?, 0x2?, 0x17a14c0?})
D:/a/_work/1/s/cmd/copy.go:1652 +0x292
github.com/spf13/cobra.(*Command).execute(0xc0003f4908, {0xc00081a280, 0x5, 0x5})
C:/Users/cloudtest/go/pkg/mod/github.com/spf13/[email protected]/command.go:989 +0xabb
github.com/spf13/cobra.(*Command).ExecuteC(0x27ff380)
C:/Users/cloudtest/go/pkg/mod/github.com/spf13/[email protected]/command.go:1117 +0x44f
github.com/spf13/cobra.(*Command).Execute(...)
C:/Users/cloudtest/go/pkg/mod/github.com/spf13/[email protected]/command.go:1041
github.com/Azure/azure-storage-azcopy/v10/cmd.InitializeAndExecute()
D:/a/_work/1/s/cmd/root.go:279 +0x1a
main.main()
D:/a/_work/1/s/main.go:34 +0x2f
How can we reproduce the problem in the simplest way?
Run the command above to copy from S3 storage to azure storage account.
Have you found a mitigation/solution?
Version 10.30 works perfect with exactly the same credentials and command.