syzbot

 sign-in | mailing list | source | docs
🐞 Open [870]
🐞 Fixed [141]
🐞 Invalid [992]
⬇ Missing Backports [73]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

SYZFAIL: failed to recv rpc (2)

Status: upstream: reported C repro on 2025/05/26 21:48
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+ef977c2d506afa43c686@syzkaller.appspotmail.com
First crash: 243d, last: 5d10h
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/12/18 linux-6.1.y (ToT) 50cbba13faa2 C [report] WARNING in __folio_mark_dirty
2025/12/18 upstream (ToT) ea1013c15392 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 25d 567d 0/2 closed as invalid on 2025/12/31 17:50
android-5-10 SYZFAIL: failed to recv rpc -1 syz 1264 24d 566d 0/2 closed as invalid on 2025/12/31 17:50
linux-5.15 SYZFAIL: failed to recv rpc (3) origin:lts-only -1 C inconclusive 53 8d08h 88d 0/3 upstream: reported C repro on 2025/10/28 18:51
linux-6.1 SYZFAIL: failed to recv rpc -1 1 498d 498d 0/3 auto-obsoleted due to no activity on 2024/12/22 13:10
android-54 SYZFAIL: failed to recv rpc -1 58499 542d 570d 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 199d 199d 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 63 2d01h 194d 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 50 1d23h 23d 0/2 premoderation: reported syz repro on 2026/01/01 09:02
android-5-15 SYZFAIL: failed to recv rpc origin:lts -1 C 509 24d 556d 0/2 closed as invalid on 2025/12/31 17:50
upstream SYZFAIL: failed to recv rpc -1 C done 6591 24d 579d 0/29 closed as invalid on 2025/12/31 17:50
android-5-10 SYZFAIL: failed to recv rpc (2) -1 syz 68 5d07h 24d 0/2 premoderation: reported syz repro on 2025/12/31 23:17
android-6-12 SYZFAIL: failed to recv rpc -1 53 74d 217d 0/1 closed as invalid on 2025/12/31 17:50
android-54 SYZFAIL: failed to recv rpc (2) -1 16 290d 359d 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 5d19h 24d 0/2 premoderation: reported syz repro on 2025/12/31 20:54
linux-5.15 SYZFAIL: failed to recv rpc -1 9 361d 574d 0/3 auto-obsoleted due to no activity on 2025/05/08 21:53
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2026/01/23 00:16 1m fix candidate upstream error job log

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

Crashes (102):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/08 22:06 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2025/12/28 22:19 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2025/12/27 21:20 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/19 07:54 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2025/12/17 07:47 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2026/01/09 22:24 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2026/01/05 13:34 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2026/01/01 19:28 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/31 19:40 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/30 02:47 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/19 14:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/15 03:03 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/14 01:12 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/12 17:11 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/12/02 11:01 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/25 18:27 linux-6.1.y f6e38ae624cf 64219f15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/23 18:09 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/23 09:03 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/21 00:17 linux-6.1.y f6e38ae624cf 2cc4c24a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/13 05:01 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2025/11/04 21:29 linux-6.1.y f6e38ae624cf 686bf657 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to recv rpc
2026/01/15 23:26 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/04 11:05 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/01 12:17 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/27 22:04 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/27 12:56 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/20 05:32 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/01 02:51 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/27 19:35 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/20 07:56 linux-6.1.y f6e38ae624cf 26ee5237 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 15:07 linux-6.1.y f6e38ae624cf ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 13:51 linux-6.1.y f6e38ae624cf ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 12:03 linux-6.1.y f6e38ae624cf ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/18 09:01 linux-6.1.y f6e38ae624cf ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/13 20:04 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/13 15:28 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/10 13:16 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/19 17:14 linux-6.1.y cd9b81672742 a9fc5226 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2026/01/19 00:05 linux-6.1.y cd9b81672742 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/16 10:51 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/16 01:08 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2026/01/15 07:57 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/15 02:34 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/09 16:54 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2026/01/09 07:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/04 05:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/03 11:41 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2026/01/01 16:45 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/29 10:42 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/29 08:59 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/28 05:33 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/25 04:25 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/21 16:38 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/20 12:57 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/19 01:29 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/16 17:29 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/16 11:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/15 09:00 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/14 17:31 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/14 05:02 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/12 03:03 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/10 12:27 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/10 10:50 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/10 06:07 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/06 00:18 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/12/04 03:54 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2025/12/01 03:59 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/24 07:08 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/23 01:29 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/22 22:48 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/19 05:14 linux-6.1.y f6e38ae624cf ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/17 07:22 linux-6.1.y f6e38ae624cf f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/16 02:11 linux-6.1.y f6e38ae624cf f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/16 00:19 linux-6.1.y f6e38ae624cf f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/13 20:58 linux-6.1.y f6e38ae624cf 07e030de .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/11 12:20 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/10 01:00 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/09 21:41 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/08 23:10 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/11/08 13:36 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: failed to recv rpc
2025/10/30 23:16 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
2025/05/26 21:47 linux-6.1.y da3c5173c55f 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to recv rpc
* Struck through repros no longer work on HEAD.