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SYZFAIL: failed to recv rpc (3)

Status: upstream: reported C repro on 2025/10/28 18:51
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+acf804244f75ee8c87bf@syzkaller.appspotmail.com
First crash: 98d, last: 3d20h
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/11/09 linux-5.15.y (ToT) cc5ec8769306 C [report] kernel BUG in gfs2_glock_nq
2025/11/09 upstream (ToT) 439fc29dfd3b C Didn't crash
▶ ▼ Similar bugs (15)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-1 SYZFAIL: failed to recv rpc origin:upstream -1 syz 231 35d 576d 0/2 closed as invalid on 2025/12/31 17:50
android-5-10 SYZFAIL: failed to recv rpc -1 syz 1264 34d 576d 0/2 closed as invalid on 2025/12/31 17:50
linux-6.1 SYZFAIL: failed to recv rpc -1 1 508d 508d 0/3 auto-obsoleted due to no activity on 2024/12/22 13:10
android-54 SYZFAIL: failed to recv rpc -1 58499 551d 580d 0/2 auto-obsoleted due to no activity on 2024/09/19 21:51
linux-5.15 SYZFAIL: failed to recv rpc (2) -1 1 209d 209d 0/3 auto-obsoleted due to no activity on 2025/10/17 13:02
linux-6.6 SYZFAIL: failed to recv rpc origin:lts-only -1 C error 65 2d05h 203d 0/2 upstream: reported C repro on 2025/07/15 02:40
android-5-15 SYZFAIL: failed to recv rpc (2) origin:upstream -1 syz 51 2d04h 33d 0/2 premoderation: reported syz repro on 2026/01/01 09:02
linux-6.1 SYZFAIL: failed to recv rpc (2) origin:lts-only -1 C error 102 15d 252d 0/3 upstream: reported C repro on 2025/05/26 21:48
android-5-15 SYZFAIL: failed to recv rpc origin:lts -1 C 509 34d 565d 0/2 closed as invalid on 2025/12/31 17:50
upstream SYZFAIL: failed to recv rpc -1 C done 6591 34d 588d 0/29 closed as invalid on 2025/12/31 17:50
android-5-10 SYZFAIL: failed to recv rpc (2) -1 syz 69 1d15h 33d 0/2 premoderation: reported syz repro on 2025/12/31 23:17
android-6-12 SYZFAIL: failed to recv rpc -1 53 84d 226d 0/1 closed as invalid on 2025/12/31 17:50
android-54 SYZFAIL: failed to recv rpc (2) -1 16 300d 368d 0/2 auto-obsoleted due to no activity on 2025/06/11 02:46
android-6-1 SYZFAIL: failed to recv rpc (2) origin:upstream -1 syz 23 1d07h 33d 0/2 premoderation: reported syz repro on 2025/12/31 20:54
linux-5.15 SYZFAIL: failed to recv rpc -1 9 370d 584d 0/3 auto-obsoleted due to no activity on 2025/05/08 21:53
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2026/01/30 22:17 18m retest repro linux-5.15.y report log
2026/01/30 22:17 20m retest repro linux-5.15.y report log
2026/01/30 22:17 10m retest repro linux-5.15.y report log
2026/01/30 22:17 16m retest repro linux-5.15.y report log
2026/01/30 22:17 10m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2026/01/04 10:04 2h54m fix candidate upstream OK (0) job log

Sample crash report:
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)

Crashes (53):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/15 22:28 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/12 01:06 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/09 12:38 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/08 04:47 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/07 13:22 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/06 15:39 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/05 08:25 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/03 20:05 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/03 11:11 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/02 06:33 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/02 04:47 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/26 06:57 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/24 17:45 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/23 05:05 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/22 02:29 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/19 04:57 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/18 20:20 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/09 17:09 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/04 17:58 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/01 23:21 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/30 03:56 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/29 16:53 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/28 21:21 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/27 03:40 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/25 23:35 linux-5.15.y cc5ec8769306 64219f15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/20 09:06 linux-5.15.y cc5ec8769306 26ee5237 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/20 08:20 linux-5.15.y cc5ec8769306 26ee5237 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/13 05:33 linux-5.15.y cc5ec8769306 07e030de .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/09 09:02 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/11/09 06:59 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/16 19:30 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2026/01/16 04:44 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2026/01/16 02:34 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2026/01/04 10:27 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2026/01/01 09:25 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2026/01/01 03:34 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/27 21:53 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/12/27 12:54 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/12/23 06:26 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/22 20:12 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/12/20 06:25 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/12/01 21:01 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
2025/12/01 03:00 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/20 07:23 linux-5.15.y cc5ec8769306 26ee5237 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 15:01 linux-5.15.y cc5ec8769306 ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 13:48 linux-5.15.y cc5ec8769306 ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 12:10 linux-5.15.y cc5ec8769306 ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 10:16 linux-5.15.y cc5ec8769306 ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 08:53 linux-5.15.y cc5ec8769306 ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/13 20:56 linux-5.15.y cc5ec8769306 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/13 20:03 linux-5.15.y cc5ec8769306 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/11/10 13:18 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf SYZFAIL: failed to recv rpc
2025/10/28 18:50 linux-5.15.y ac56c046adf4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to recv rpc
* Struck through repros no longer work on HEAD.