1956583 - SUMMARY: ThreadSanitizer: data race /builds/worker/checkouts/gecko/comm/mailnews/base/src/nsMsgProtocol.h:64:56 in nsMsgProtocol::TestFlag(unsigned int)

Status: NEW

(MailNews Core :: Networking: IMAP, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: ishikawa [at] yk.rim.or.jp
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=501043863&repo=try-comm-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fqRHpTp-QqiGLdeG9miSoA/runs/0/artifacts/public/logs/live_backing.log

---

I am afraid that this is repeable error with TSAN build and test.

Comment 2

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-64-tsan-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-04-28&endday=2025-05-04&tree=all

Comment 3

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux1804-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-05-05&endday=2025-05-11&tree=all

Comment 4

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 5

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 6

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-06-30&endday=2025-07-06&tree=all

Comment 7

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-08-11&endday=2025-08-17&tree=all

Comment 8

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-09-01&endday=2025-09-07&tree=all

Comment 9

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Table

	no_variant
linux1804-x86_64/tsan	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-11-03&endday=2025-11-09&tree=all

Comment 10

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-11-10&endday=2025-11-16&tree=all

Comment 11

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux1804-x86_64/tsan	1
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-11-17&endday=2025-11-23&tree=all

Comment 12

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-12-15&endday=2025-12-21&tree=all

Comment 13

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2025-12-22&endday=2025-12-28&tree=all

Comment 14

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-01-05&endday=2026-01-11&tree=all

Comment 15

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-01-19&endday=2026-01-25&tree=all

Comment 16

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-01-26&endday=2026-02-01&tree=all

Comment 17

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-02-02&endday=2026-02-08&tree=all

Comment 18

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux2404-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-02-09&endday=2026-02-15&tree=all

Comment 19

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux2404-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-02-16&endday=2026-02-22&tree=all

Comment 20

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux2404-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-02-23&endday=2026-03-01&tree=all

Comment 21

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Table

	no_variant
linux2404-x86_64/tsan	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-03-02&endday=2026-03-08&tree=all

Comment 22

[Intermittent Failures Robot]

4 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 4

Table

	no_variant
linux2404-x86_64/tsan	4

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1956583&startday=2026-03-09&endday=2026-03-15&tree=all