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: 372d, last: 371d
▶ ▼ 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 (27)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream upstream build error (6) -1 4 2399d 2399d 0/29 closed as invalid on 2020/01/13 15:23
upstream upstream build error (3) -1 1 2529d 2529d 0/29 closed as invalid on 2019/09/02 07:37
upstream upstream build error (27) -1 2 130d 126d 0/29 closed as invalid on 2026/04/01 10:23
upstream upstream build error (22) -1 107 548d 616d 0/29 closed as invalid on 2025/02/03 12:55
upstream upstream build error (10) -1 98 2118d 2316d 0/29 closed as invalid on 2020/10/17 10:22
upstream upstream build error (8) -1 1 2356d 2356d 0/29 closed as invalid on 2020/02/22 06:57
upstream upstream build error (14) -1 1 2015d 2015d 0/29 closed as invalid on 2021/01/29 20:42
upstream upstream build error (25) -1 3 288d 288d 0/29 closed as invalid on 2025/10/24 10:10
upstream upstream build error (4) -1 2 2436d 2436d 0/29 closed as invalid on 2019/12/04 08:34
upstream upstream build error (21) -1 11 856d 935d 0/29 closed as invalid on 2024/06/20 08:00
upstream upstream build error (7) -1 1 2364d 2364d 0/29 closed as invalid on 2020/02/14 08:56
upstream upstream build error (5) -1 1 2428d 2428d 0/29 closed as invalid on 2019/12/12 06:44
upstream upstream build error (9) -1 1 2323d 2319d 0/29 closed as invalid on 2020/03/30 06:46
upstream upstream build error (17) kvm-x86 -1 1 1581d 1581d 0/29 closed as invalid on 2022/04/07 07:18
upstream upstream build error (24) -1 3 325d 325d 0/29 closed as invalid on 2025/09/13 18:38
upstream upstream build error (28) -1 6 12d 12d 0/29 closed as invalid on 2026/07/24 15:29
upstream upstream build error -1 1 3044d 3044d 0/29 closed as invalid on 2018/04/05 12:01
upstream upstream build error (16) mm -1 243 1737d 1860d 20/29 fixed on 2021/11/10 00:50
upstream upstream build error (18) kernel -1 20 1259d 1531d 22/29 fixed on 2023/02/24 13:50
upstream upstream build error (19) kernel -1 2 1237d 1237d 0/29 closed as invalid on 2023/03/17 12:24
upstream upstream build error (12) -1 2 2030d 2030d 0/29 closed as invalid on 2021/01/14 19:54
upstream upstream build error (26) -1 1 264d 260d 0/29 auto-obsoleted due to no activity on 2026/02/22 05:41
upstream upstream build error (13) -1 3 2016d 2016d 0/29 closed as invalid on 2021/01/26 21:25
upstream upstream build error (15) -1 2 1968d 1968d 0/29 closed as invalid on 2021/03/16 06:48
upstream upstream build error (2) -1 3 3036d 3036d 0/29 closed as invalid on 2018/06/14 06:16
upstream upstream build error (20) kernel -1 498 1091d 1129d 23/29 fixed on 2023/09/28 17:51
upstream upstream build error (11) -1 25 2030d 2107d 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.