[PW_SID:1039078] [v2,net-next] net: 6lowpan: replace sprintf() with scnprintf() in debugfs

[BluezTestBot]

sprintf() does not perform bounds checking on the destination buffer.
Replace it with scnprintf() to ensure the write stays within bounds.

No functional change intended.

Signed-off-by: Kathara Sasikumar katharasasikumar007@gmail.com

v2:

• Updated commit message wording
• Targeted the patch to net-next

---

net/6lowpan/debugfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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Result: PENDING

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SubjectPrefix
Desc: Check subject contains "Bluetooth" prefix
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Result: FAIL
Output:

"Bluetooth: " prefix is not specified in the subject

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BuildKernel
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Result: PASS

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BuildKernel32
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TestRunnerSetup
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TestRunner_iso-tester
Desc: Run iso-tester with test-runner
Duration: 48.79 seconds
Result: FAIL
Output:

BUG: KASAN: slab-use-after-free in iso_conn_hold_unless_zero+0x76/0x1c0
Total: 141, Passed: 141 (100.0%), Failed: 0, Not Run: 0

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Desc: Run bnep-tester with test-runner
Duration: 6.08 seconds
Result: PASS

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TestRunner_mgmt-tester
Desc: Run mgmt-tester with test-runner
Duration: 112.60 seconds
Result: FAIL
Output:

Total: 494, Passed: 488 (98.8%), Failed: 2, Not Run: 4

Failed Test Cases
Read Exp Feature - Success                           Failed       0.103 seconds
LL Privacy - Set Flags 2 (Enable RL)                 Failed       0.166 seconds

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Result: PASS

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TestRunner_sco-tester
Desc: Run sco-tester with test-runner
Duration: 14.22 seconds
Result: FAIL
Output:

WARNING: possible circular locking dependency detected
BUG: sleeping function called from invalid context at net/core/sock.c:3782
Total: 30, Passed: 30 (100.0%), Failed: 0, Not Run: 0

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Result: PASS

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TestRunner_mesh-tester
Desc: Run mesh-tester with test-runner
Duration: 11.45 seconds
Result: FAIL
Output:

Total: 10, Passed: 8 (80.0%), Failed: 2, Not Run: 0

Failed Test Cases
Mesh - Send cancel - 1                               Timed out    1.994 seconds
Mesh - Send cancel - 2                               Timed out    1.992 seconds

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Result: PASS

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Result: PENDING