syzbot

 sign-in | mailing list | source | docs
🐞 Open [1502]
≡ Subsystems
🐞 Fixed [6668]
🐞 Invalid [17085]
⬇ Missing Backports [214]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

upstream build error (23)

Status: fixed on 2025/09/04 16:57
Reported-by: syzbot+5245cb609175fb6e8122@syzkaller.appspotmail.com
Fix commit: f627b51aaa04 compiler_types: Provide __no_kstack_erase to disable coverage only on Clang
First crash: 84d, last: 83d
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] upstream build error (23) 11 (12) 2025/07/30 10:44
[GIT PULL] hardening fixes for v6.17-rc1 2 (2) 2025/07/30 05:06
[PATCH v2] compiler_types: Provide __no_kstack_erase to disable coverage only on Clang 4 (4) 2025/07/30 00:39
[PATCH] compiler_types: Provide __no_kstack_erase to disable coverage only on Clang 4 (4) 2025/07/29 23:19
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream upstream build error (6) -1 4 2111d 2112d 0/29 closed as invalid on 2020/01/13 15:23
upstream upstream build error (3) -1 1 2241d 2241d 0/29 closed as invalid on 2019/09/02 07:37
upstream upstream build error (22) -1 107 260d 329d 0/29 closed as invalid on 2025/02/03 12:55
upstream upstream build error (10) -1 98 1831d 2029d 0/29 closed as invalid on 2020/10/17 10:22
upstream upstream build error (8) -1 1 2069d 2069d 0/29 closed as invalid on 2020/02/22 06:57
upstream upstream build error (14) -1 1 1727d 1727d 0/29 closed as invalid on 2021/01/29 20:42
upstream upstream build error (4) -1 2 2149d 2149d 0/29 closed as invalid on 2019/12/04 08:34
upstream upstream build error (21) -1 11 569d 648d 0/29 closed as invalid on 2024/06/20 08:00
upstream upstream build error (7) -1 1 2077d 2077d 0/29 closed as invalid on 2020/02/14 08:56
upstream upstream build error (5) -1 1 2141d 2141d 0/29 closed as invalid on 2019/12/12 06:44
upstream upstream build error (9) -1 1 2036d 2032d 0/29 closed as invalid on 2020/03/30 06:46
upstream upstream build error (17) kvm-x86 -1 1 1294d 1294d 0/29 closed as invalid on 2022/04/07 07:18
upstream upstream build error (24) -1 3 38d 38d 0/29 closed as invalid on 2025/09/13 18:38
upstream upstream build error -1 1 2756d 2756d 0/29 closed as invalid on 2018/04/05 12:01
upstream upstream build error (16) mm -1 243 1450d 1572d 20/29 fixed on 2021/11/10 00:50
upstream upstream build error (18) kernel -1 20 972d 1243d 22/29 fixed on 2023/02/24 13:50
upstream upstream build error (19) kernel -1 2 949d 949d 0/29 closed as invalid on 2023/03/17 12:24
upstream upstream build error (12) -1 2 1742d 1743d 0/29 closed as invalid on 2021/01/14 19:54
upstream upstream build error (13) -1 3 1729d 1729d 0/29 closed as invalid on 2021/01/26 21:25
upstream upstream build error (15) -1 2 1681d 1681d 0/29 closed as invalid on 2021/03/16 06:48
upstream upstream build error (2) -1 3 2749d 2749d 0/29 closed as invalid on 2018/06/14 06:16
upstream upstream build error (20) kernel -1 498 803d 842d 23/29 fixed on 2023/09/28 17:51
upstream upstream build error (11) -1 25 1743d 1819d 15/29 fixed on 2021/01/12 17:23

Sample crash report:
arch/x86/kernel/setup.c:1251: undefined reference to `efi_mem_type'
ld: arch/x86/kernel/setup.c:987: undefined reference to `efi_init'
ld: arch/x86/kernel/setup.c:971: undefined reference to `efi_memblock_x86_reserve_range'
arch/x86/kernel/cpu/mshyperv.c:496: undefined reference to `isolation_type_tdx'
ld: arch/x86/kernel/cpu/mshyperv.c:494: undefined reference to `isolation_type_snp'
arch/x86/kernel/kvm.c:600: undefined reference to `efi'
ld: arch/x86/kernel/kvm.c:600: undefined reference to `efi'
drivers/acpi/osl.c:210: undefined reference to `efi'
ld: drivers/acpi/osl.c:210: undefined reference to `efi'

Crashes (46):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/30 05:21 upstream beb6c8326eb4 f8f2b4da .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/30 04:06 upstream beb6c8326eb4 f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/30 03:56 upstream 14bed9bc81ba f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/30 03:45 upstream 14bed9bc81ba f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/30 03:26 upstream 14bed9bc81ba f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/30 02:57 upstream 14bed9bc81ba f8f2b4da .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/30 01:00 upstream 14bed9bc81ba ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/30 00:17 upstream 909d2bb07dc0 f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/29 23:57 upstream 909d2bb07dc0 ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/29 23:54 upstream 78bb43e51b94 f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/29 23:45 upstream 78bb43e51b94 f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/29 23:19 upstream 78bb43e51b94 ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/29 23:01 upstream 78bb43e51b94 f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/29 21:36 upstream 0db240bc077f f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/29 20:59 upstream 0db240bc077f f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/29 20:50 upstream 0db240bc077f f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/29 20:31 upstream 0db240bc077f ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/29 20:30 upstream 22c5696e3fe0 f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/29 19:42 upstream 0919a5b3b11c f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/29 19:33 upstream 0919a5b3b11c f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/29 19:26 upstream 0919a5b3b11c f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/29 19:22 upstream 0919a5b3b11c ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/29 17:35 upstream 86aa72182095 f8f2b4da .config console log report ci-upstream-kasan-gce-selinux-root upstream build error
2025/07/29 16:54 upstream 86aa72182095 f8f2b4da .config console log report ci-upstream-gce-leak upstream build error
2025/07/29 16:47 upstream 86aa72182095 f8f2b4da .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/29 14:53 upstream 86aa72182095 c4a95487 .config console log report ci-upstream-kasan-badwrites-root upstream build error
2025/07/29 13:30 upstream 86aa72182095 ba28e0a8 .config console log report ci-qemu-gce-upstream-auto upstream build error
2025/07/30 04:04 upstream 14bed9bc81ba f8f2b4da .config console log report ci-qemu-upstream upstream build error
2025/07/30 02:22 upstream 14bed9bc81ba ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/30 00:26 upstream 909d2bb07dc0 ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/29 23:06 upstream 78bb43e51b94 ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/29 20:17 upstream 0db240bc077f ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/29 19:08 upstream 0919a5b3b11c ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/29 13:19 upstream 86aa72182095 ba28e0a8 .config console log report ci-qemu-upstream upstream build error
2025/07/30 03:27 upstream 14bed9bc81ba f8f2b4da .config console log report ci-qemu-upstream-386 upstream build error
2025/07/30 01:40 upstream 14bed9bc81ba ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 23:43 upstream 909d2bb07dc0 ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 22:53 upstream 78bb43e51b94 ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 20:48 upstream 0db240bc077f ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 20:03 upstream 22c5696e3fe0 ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 18:54 upstream 0919a5b3b11c ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
2025/07/29 13:42 upstream 86aa72182095 ba28e0a8 .config console log report ci-qemu-upstream-386 upstream build error
* Struck through repros no longer work on HEAD.