syzbot


WARNING in check_map_prog_compatibility

Status: upstream: reported C repro on 2023/03/07 20:33
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+3d7af5d2cc62b29ab2ed@syzkaller.appspotmail.com
First crash: 406d, last: now
Fix commit to backport (bisect log) :
tree: upstream
commit 96da3f7d489d11b43e7c1af90d876b9a2492cca8
Author: Alexei Starovoitov <ast@kernel.org>
Date: Fri Sep 2 21:10:54 2022 +0000

  bpf: Remove tracing program restriction on map types

  
Bug presence (2)
Date Name Commit Repro Result
2023/05/02 linux-5.15.y (ToT) 8a7f2a5c5aa1 C [report] WARNING in check_map_prog_compatibility
2023/05/02 upstream (ToT) 865fdb08197e C Didn't crash
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in check_map_prog_compatibility bpf C inconclusive done 128 569d 732d 22/26 fixed on 2023/02/24 13:50
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/08/14 03:15 5h38m fix candidate upstream job log (1)

Sample crash report:
------------[ cut here ]------------
trace type BPF program uses run-time allocation
WARNING: CPU: 1 PID: 3499 at kernel/bpf/verifier.c:11680 check_map_prog_compatibility+0x720/0x8c0 kernel/bpf/verifier.c:11680
Modules linked in:
CPU: 1 PID: 3499 Comm: syz-executor215 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:check_map_prog_compatibility+0x720/0x8c0 kernel/bpf/verifier.c:11680
Code: ed e9 ec fc ff ff e8 0f cb ee ff 31 ed e9 e0 fc ff ff e8 03 cb ee ff c6 05 93 e1 3e 0c 01 48 c7 c7 e0 21 91 8a e8 70 76 ba ff <0f> 0b e9 4a fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4f f9 ff
RSP: 0018:ffffc90002c07348 EFLAGS: 00010246
RAX: 0c16010ec5776900 RBX: 0000000000000002 RCX: ffff88801dc8d940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff8880739c4028 R08: ffffffff8166661c R09: fffff52000580da9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000d5e038
R13: ffff8880739c4000 R14: ffff888018864000 R15: dffffc0000000000
FS:  0000555556f0b380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 0000000072edd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 resolve_pseudo_ldimm64+0x671/0x1240 kernel/bpf/verifier.c:11850
 bpf_check+0x4341/0x12d00 kernel/bpf/verifier.c:14052
 bpf_prog_load+0x12b3/0x1b60 kernel/bpf/syscall.c:2353
 __sys_bpf+0x343/0x670 kernel/bpf/syscall.c:4651
 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7305154529
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe30e7e058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ffe30e7e228 RCX: 00007f7305154529
RDX: 000000000000004e RSI: 0000000020000440 RDI: 0000000000000005
RBP: 00007f73051c7610 R08: 0000000000000000 R09: 00007ffe30e7e228
R10: 0000000000000072 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe30e7e218 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (1440):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/28 23:46 linux-5.15.y 9465fef4ae35 e91187ee .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/03/12 05:26 linux-5.15.y 574362648507 6ee49f2e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/01/21 05:21 linux-5.15.y ddcaf4999061 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2023/12/02 14:59 linux-5.15.y a78d278e01b1 f819d6f7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/03/09 05:47 linux-5.15.y d9b4a0c83a2d 4fc6d98d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/08/24 13:08 linux-5.15.y f6f7927ac664 4d7ae7ab .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/08/24 12:31 linux-5.15.y f6f7927ac664 4d7ae7ab .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/07/19 18:32 linux-5.15.y d54cfc420586 022df2bb .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2023/07/12 04:01 linux-5.15.y d54cfc420586 2f19aa4f .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/06/16 12:36 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2023/03/08 01:26 linux-5.15.y d9b4a0c83a2d d7ea8bc4 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 22:22 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 21:22 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 20:03 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 19:23 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 18:20 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 17:20 linux-5.15.y fa3df276cd36 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 15:10 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 11:26 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 10:18 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 09:01 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 08:58 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 07:47 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 06:46 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/16 04:30 linux-5.15.y fa3df276cd36 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/16 01:41 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/15 23:54 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 23:34 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 21:45 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 19:44 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 18:31 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 17:19 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 17:11 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/15 16:02 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 14:44 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 11:41 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 09:39 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 09:26 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/15 08:19 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 06:44 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/15 05:36 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 04:19 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 02:50 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/15 00:39 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 23:30 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/14 23:29 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 21:25 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 20:18 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 18:49 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 16:06 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 12:35 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/14 10:54 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 09:25 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 07:45 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in check_map_prog_compatibility
2024/04/14 05:37 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2024/04/14 03:58 linux-5.15.y fa3df276cd36 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
2023/03/07 20:33 linux-5.15.y d9b4a0c83a2d d7ea8bc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in check_map_prog_compatibility
* Struck through repros no longer work on HEAD.