syzbot


linux-next build error (26)

Status: upstream: reported on 2026/06/16 20:06
Reported-by: syzbot+1f14a35d0c73d31555e4@syzkaller.appspotmail.com
First crash: 35d, last: 16d
✨ AI Jobs (6)
ID Workflow Result Correct Bug Created Started Finished Revision Error
ba4f978b-6265-415e-9fd7-c9db6d5c5753 assessment-security 💥 linux-next build error (26) 2026/07/17 00:19 2026/07/17 00:19 2026/07/17 00:40 49f47391518e9cfe0cedbef0d8259b0041150b4f
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/fe275ac5e0413a1625...
truncated to first 200 bytes; open job for full error
ec70d794-58c5-46b3-983a-65098355c725 assessment-security 💥 linux-next build error (26) 2026/07/01 00:09 2026/07/01 00:09 2026/07/01 00:23 93f579545ae410f5bccfa141d2e7bf03178f036c
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/cfe791d86558e0081c...
truncated to first 200 bytes; open job for full error
0a601aad-1663-451c-8f0f-54eba7da6a9b assessment-security 💥 linux-next build error (26) 2026/06/23 00:02 2026/06/23 00:02 2026/06/23 00:06 5a630be623a83f54a0e7a5a72d78827acdc85248
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/a24fedfde00e5f1b13...
truncated to first 200 bytes; open job for full error
c305f549-a97e-46d9-ba57-1b1b643a2ff8 assessment-security 💥 linux-next build error (26) 2026/06/18 06:28 2026/06/18 06:28 2026/06/18 06:30 b62b3ded1759f79b37600c5ffe2b0a81b919b0b0
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/f093bad0fa19c260da...
truncated to first 200 bytes; open job for full error
8bc516c0-eea2-41fa-bca7-13fde80380fa assessment-security 💥 linux-next build error (26) 2026/06/16 00:01 2026/06/16 00:01 2026/06/16 00:04 50bb0618cd2f9cd819534368fff82367c1681dab
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/5a8fadfba8296872e1...
truncated to first 200 bytes; open job for full error
90637f8f-302f-48e1-9649-e07df62537cb assessment-security 💥 linux-next build error (26) 2026/06/14 00:02 2026/06/14 00:02 2026/06/14 00:05 4f06757f683a802254a4c8edbfe67ff801904c5e
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/ac5c078425b016adb3...
truncated to first 200 bytes; open job for full error
Discussions (2)
Title Replies (including bot) Last reply
Re: [PATCH v3] block: assign caller-specific lockdep class to disk->open_mutex 3 (3) 2026/06/19 13:16
[syzbot] linux-next build error (26) 0 (1) 2026/06/16 20:06
Similar bugs (25)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream linux-next build error (22) -1 27 268d 368d 0/29 closed as invalid on 2025/10/23 12:06
upstream linux-next build error (17) -1 2 736d 737d 0/29 auto-obsoleted due to no activity on 2024/09/10 01:54
upstream linux-next build error (7) kernel -1 7 2365d 2369d 15/29 fixed on 2020/03/11 20:34
upstream linux-next build error (20) -1 53 470d 510d 0/29 closed as invalid on 2025/04/14 14:48
upstream linux-next build error (11) -1 2 2046d 2046d 0/29 auto-closed as invalid on 2021/02/07 17:19
upstream linux-next build error (2) -1 1 3134d 3134d 0/29 closed as invalid on 2017/12/18 14:32
upstream linux-next build error (24) -1 3 214d 256d 0/29 closed as invalid on 2025/12/17 13:51
upstream linux-next build error -1 1 3134d 3134d 0/29 closed as invalid on 2017/12/18 08:32
upstream linux-next build error (15) cifs -1 2 1114d 1115d 0/29 auto-obsoleted due to no activity on 2023/08/28 20:53
upstream linux-next build error (18) -1 28 577d 610d 0/29 auto-obsoleted due to no activity on 2025/01/27 03:08
upstream linux-next build error (12) -1 63 1838d 1937d 20/29 fixed on 2021/11/10 00:50
upstream linux-next build error (13) nvme -1 5 1520d 1523d 0/29 auto-closed as invalid on 2022/07/18 23:22
upstream linux-next build error (4) -1 1 2511d 2511d 0/29 closed as invalid on 2019/09/02 13:57
upstream linux-next build error (14) -1 5 1265d 1318d 0/29 auto-obsoleted due to no activity on 2023/03/31 06:03
upstream linux-next build error (25) -1 3 113d 113d 0/29 closed as invalid on 2026/04/21 13:56
upstream linux-next build error (21) -1 3 450d 451d 0/29 auto-obsoleted due to no activity on 2025/06/23 00:33
upstream linux-next build error (19) -1 7 530d 534d 0/29 closed as invalid on 2025/02/03 14:29
upstream linux-next build error (23) -1 1 257d 257d 0/29 closed as invalid on 2025/11/03 14:34
upstream linux-next build error (8) -1 4 2248d 2312d 2/29 closed as invalid on 2020/05/27 06:38
upstream linux-next build error (3) -1 4 2916d 2917d 0/29 closed as invalid on 2018/07/24 13:58
upstream linux-next build error (10) ath11k -1 18 2119d 2192d 0/29 auto-closed as invalid on 2020/11/27 07:58
upstream linux-next build error (16) crypto -1 12 980d 981d 0/29 auto-obsoleted due to no activity on 2023/12/21 01:05
upstream linux-next build error (6) -1 1 2424d 2424d 0/29 closed as invalid on 2019/11/28 08:37
upstream linux-next build error (9) kernel -1 1 2217d 2217d 0/29 closed as invalid on 2020/06/22 13:12
upstream linux-next build error (5) kernel -1 13 2499d 2509d 0/29 closed as invalid on 2019/09/19 05:32

Sample crash report:
ld.lld: error: undefined symbol: decompress_zstd

Crashes (30):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/02 14:05 linux-next 4f441960e691 2b70b115 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/07/02 13:54 linux-next 4f441960e691 2b70b115 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/07/01 16:10 linux-next 4f441960e691 27192279 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/07/01 16:00 linux-next 4f441960e691 27192279 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/07/01 15:32 linux-next be5c93fa674f 27192279 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/07/01 15:22 linux-next be5c93fa674f 27192279 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/07/01 02:08 linux-next be5c93fa674f 00a5cf1c .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/07/01 01:58 linux-next be5c93fa674f 00a5cf1c .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/30 18:13 linux-next be5c93fa674f 00e8b0fd .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/30 18:03 linux-next be5c93fa674f 00e8b0fd .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/06/23 13:11 linux-next 4e5dfb7c8401 4b1d8f01 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/23 08:55 linux-next 948efecf22e4 4b1d8f01 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/22 15:49 linux-next 948efecf22e4 5a630be6 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/22 11:52 linux-next 948efecf22e4 43bfcdb0 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/19 16:52 linux-next 3ce97bd3c4f1 43bfcdb0 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/19 13:02 linux-next 3ce97bd3c4f1 d7ffd47b .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/19 02:41 linux-next 598c7067dd8b d7ffd47b .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/18 14:14 linux-next 598c7067dd8b a776b0d0 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/18 12:38 linux-next e2cae00c05d1 a776b0d0 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/18 11:47 linux-next 4fa3f5fabb30 a776b0d0 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/17 22:52 linux-next 4fa3f5fabb30 b62b3ded .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/17 05:37 linux-next 4fa3f5fabb30 62cc6db3 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/16 16:25 linux-next 4fa3f5fabb30 0e4b3e40 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/16 15:43 linux-next 4fa3f5fabb30 50bb0618 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/15 17:52 linux-next 8d6dbbbe3ba6 50bb0618 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/15 17:34 linux-next 700f8f17ac2c 50bb0618 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/06/15 15:58 linux-next 700f8f17ac2c 50bb0618 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/15 15:44 linux-next 700f8f17ac2c 1d2f3589 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next build error
2026/06/15 15:36 linux-next 700f8f17ac2c 1d2f3589 .config console log report ci-upstream-rust-kasan-gce linux-next build error
2026/06/12 20:00 linux-next c425609d6ac4 1d2f3589 .config console log report ci-upstream-rust-kasan-gce linux-next build error
* Struck through repros no longer work on HEAD.