ci starts bisection 2023-05-04 01:00:22.062769627 +0000 UTC m=+45157.467283797 bisecting fixing commit since 1b929c02afd37871d5afb9d498426f83432e71c2 building syzkaller on 44712fbc6b687170984c3562336a415b56d82607 ensuring issue is reproducible on original commit 1b929c02afd37871d5afb9d498426f83432e71c2 testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ce65c5e6f7cd9c3314179e30f4260a7674e3830b96ab9ef269cbd3fd8b338d0a all runs: crashed: WARNING in bpf_verifier_vlog testing current HEAD fa31fc82fb775445c176e576304c4098222f47f2 testing commit fa31fc82fb775445c176e576304c4098222f47f2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dd3fb410996f3fda26d23670872a94ada8dac2d8f111432c8efa9e4815e750c8 all runs: crashed: WARNING in bpf_verifier_vlog revisions tested: 2, total time: 25m27.649551215s (build: 18m0.380612532s, test: 6m29.327886879s) the crash still happens on HEAD commit msg: Merge tag 'pm-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm crash: WARNING in bpf_verifier_vlog ------------[ cut here ]------------ verifier log line truncated - local buffer too short WARNING: CPU: 0 PID: 5417 at kernel/bpf/log.c:65 bpf_verifier_vlog+0x3e4/0x590 kernel/bpf/log.c:65 Modules linked in: CPU: 0 PID: 5417 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:bpf_verifier_vlog+0x3e4/0x590 kernel/bpf/log.c:65 Code: 5d 41 5c 41 5d 41 5e 41 5f e9 e8 85 d2 ff 80 3d 20 b7 c4 0b 00 75 15 48 c7 c7 a0 47 73 89 c6 05 10 b7 c4 0b 01 e8 5c 82 b8 ff <0f> 0b 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea RSP: 0018:ffffc90002fcf870 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888029555210 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffffffff89c26bc0 RDI: 0000000000000001 RBP: 00000000000003ff R08: 0000000000000001 R09: ffffc90002fcf677 R10: fffff520005f9ece R11: 0000000000000001 R12: ffff888029555000 R13: 1ffff920005f9f37 R14: ffff888029555234 R15: ffffffff8973f8a0 FS: 00007f2e50a08700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44cc178b3b CR3: 000000007a615000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btf_verifier_log+0xa6/0xd0 kernel/bpf/btf.c:1385 __btf_verifier_log_type+0x338/0x8d0 kernel/bpf/btf.c:1428 btf_func_proto_check_meta+0x114/0x120 kernel/bpf/btf.c:4278 btf_check_meta kernel/bpf/btf.c:4973 [inline] btf_check_all_metas+0x318/0xb10 kernel/bpf/btf.c:4997 btf_parse_type_sec kernel/bpf/btf.c:5133 [inline] btf_parse kernel/bpf/btf.c:5525 [inline] btf_new_fd+0x6cf/0x2700 kernel/bpf/btf.c:7177 bpf_btf_load kernel/bpf/syscall.c:4376 [inline] __sys_bpf+0x10f4/0x3f40 kernel/bpf/syscall.c:5103 __do_sys_bpf kernel/bpf/syscall.c:5162 [inline] __se_sys_bpf kernel/bpf/syscall.c:5160 [inline] __x64_sys_bpf+0x74/0xb0 kernel/bpf/syscall.c:5160 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2e4fc8c0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007f2e50a08168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2e4fdabf80 RCX: 00007f2e4fc8c0a9 RDX: 0000000000000020 RSI: 0000000020000240 RDI: 0000000000000012 RBP: 00007f2e4fce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce98b72ff R14: 00007f2e50a08300 R15: 0000000000022000