Hello, syzbot found the following issue on: HEAD commit: ce522ba9ef7e Linux 5.18-rc2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15c55ab7700000 kernel config: https://syzkaller.appspot.com/x/.config?x=9ac56d6828346c4e dashboard link: https://syzkaller.appspot.com/bug?extid=e3f8d4df1e1981a97abb compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14960370f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1412ff0f700000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ef7940f00000 final oops: https://syzkaller.appspot.com/x/report.txt?x=11ef7940f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=16ef7940f00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e3f8d4df1e1981a97abb@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ trace type BPF program uses run-time allocation WARNING: CPU: 0 PID: 3596 at kernel/bpf/verifier.c:11998 check_map_prog_compatibility+0x76b/0x920 kernel/bpf/verifier.c:11998 Modules linked in: CPU: 0 PID: 3596 Comm: syz-executor252 Not tainted 5.18.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_map_prog_compatibility+0x76b/0x920 kernel/bpf/verifier.c:11998 Code: c7 fc ff ff e8 86 4f ee ff 31 db e9 bb fc ff ff e8 7a 4f ee ff c6 05 b2 40 35 0c 01 48 c7 c7 a0 3b 74 8a 31 c0 e8 85 e4 b7 ff <0f> 0b e9 23 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c0 f8 ff RSP: 0018:ffffc90003aaf1e8 EFLAGS: 00010246 RAX: c7d869b5def1f000 RBX: 0000000000000001 RCX: ffff88801d293a00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88801f6ea030 R08: ffffffff816acc92 R09: ffffed1017384f24 R10: ffffed1017384f24 R11: 1ffff11017384f23 R12: ffff88801f6ea000 R13: dffffc0000000000 R14: ffff88807c438000 R15: 0000000000000011 FS: 00005555566d0300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056023649dd90 CR3: 0000000024387000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> resolve_pseudo_ldimm64+0x67f/0x1270 kernel/bpf/verifier.c:12171 bpf_check+0x2606/0x13ab0 kernel/bpf/verifier.c:14462 bpf_prog_load+0x1288/0x1b80 kernel/bpf/syscall.c:2351 __sys_bpf+0x373/0x660 kernel/bpf/syscall.c:4663 __do_sys_bpf kernel/bpf/syscall.c:4767 [inline] __se_sys_bpf kernel/bpf/syscall.c:4765 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f86914c6239 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcd0a865f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86914c6239 RDX: 0000000000000080 RSI: 00000000200004c0 RDI: 0000000000000005 RBP: 00007f869148a220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000072 R11: 0000000000000246 R12: 00007f869148a2b0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
