ci starts bisection 2023-03-04 08:34:16.330880381 +0000 UTC m=+253182.702133238 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: d6c256a9f8392fc052b91a5cc746828ee6dad5cd9ed8508d0e4b333ffec984e9 all runs: crashed: WARNING in bpf_verifier_vlog testing current HEAD 0988a0ea791999ebbf95693f2676381825b05033 testing commit 0988a0ea791999ebbf95693f2676381825b05033 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: cfded51be5e5bb9786fbe4fc276a1107fbc7f4bbc976254f39e5cefd4c70ee0a all runs: crashed: WARNING in bpf_verifier_vlog revisions tested: 2, total time: 25m38.219839751s (build: 18m18.247240057s, test: 6m33.560068855s) the crash still happens on HEAD commit msg: Merge tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply crash: WARNING in bpf_verifier_vlog ------------[ cut here ]------------ verifier log line truncated - local buffer too short WARNING: CPU: 1 PID: 5589 at kernel/bpf/verifier.c:306 bpf_verifier_vlog+0x22c/0x360 kernel/bpf/verifier.c:306 Modules linked in: CPU: 1 PID: 5589 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:bpf_verifier_vlog+0x22c/0x360 kernel/bpf/verifier.c:306 Code: 5d 41 5c 41 5d 41 5e 41 5f e9 c0 71 d8 ff 80 3d 6b 39 c9 0b 00 75 15 48 c7 c7 a0 4c 72 89 c6 05 5b 39 c9 0b 01 e8 d4 70 be ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 04 RSP: 0018:ffffc900031ff880 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807e8ec210 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffffc900031ff980 R08: 0000000000000000 R09: ffffc900031ff5af R10: fffff5200063feb5 R11: 0000000000000000 R12: 00000000000003ff R13: ffff88807e8ec214 R14: ffff88806c000018 R15: ffffffff8973f5e0 FS: 00007f2a85ad5700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020100000 CR3: 000000007b7d0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btf_verifier_log+0xa6/0xd0 kernel/bpf/btf.c:1376 __btf_verifier_log_type+0x39b/0x9c0 kernel/bpf/btf.c:1419 btf_func_proto_check_meta+0x114/0x120 kernel/bpf/btf.c:4306 btf_check_meta kernel/bpf/btf.c:5000 [inline] btf_check_all_metas+0x318/0xb10 kernel/bpf/btf.c:5024 btf_parse_type_sec kernel/bpf/btf.c:5160 [inline] btf_parse kernel/bpf/btf.c:5555 [inline] btf_new_fd+0x67b/0x2830 kernel/bpf/btf.c:7187 bpf_btf_load kernel/bpf/syscall.c:4351 [inline] __sys_bpf+0x1092/0x3d30 kernel/bpf/syscall.c:5037 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x74/0xb0 kernel/bpf/syscall.c:5094 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: 0033:0x7f2a84c8c0a9 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:00007f2a85ad5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2a84dabf80 RCX: 00007f2a84c8c0a9 RDX: 0000000000000020 RSI: 0000000020000240 RDI: 0000000000000012 RBP: 00007f2a84ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff10bf52ef R14: 00007f2a85ad5300 R15: 0000000000022000