ci2 starts bisection 2023-06-28 18:28:13.002529121 +0000 UTC m=+4431.914332408 bisecting fixing commit since 500484f5be022b113cdfb97287e3491a149435cd building syzkaller on cf1845599c0bdab59c69518eaa0ecb960ec7ddf0 ensuring issue is reproducible on original commit 500484f5be022b113cdfb97287e3491a149435cd testing commit 500484f5be022b113cdfb97287e3491a149435cd gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1dbd565b0a3ae09e9a3ab060c87a782a38b4618b7831a980a8e714c0b9590169 run #0: crashed: general protection fault in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: general protection fault in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: general protection fault in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: general protection fault in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: general protection fault in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: kernel panic: Fatal exception run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: general protection fault in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp testing current HEAD 80ac9236949e72dee9339c97705bcb50180f7402 testing commit 80ac9236949e72dee9339c97705bcb50180f7402 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8ce83dd9e6e904332e8414be315342583851750c4040559fce28247c10fcf059 run #0: crashed: general protection fault in bpf_dispatcher_xdp run #1: crashed: kernel panic: Fatal exception run #2: crashed: kernel panic: Fatal exception run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: kernel panic: Fatal exception run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: general protection fault in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 41m9.106476962s (build: 21m14.221643703s, test: 18m46.998537827s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: UPSTREAM: ipvlan:Fix out-of-bounds caused by unclear skb->cb crash: invalid opcode in bpf_dispatcher_xdp invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19097 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:bpf_dispatcher_xdp+0x812/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa e4 07 00 a0 7f 17 48 81 fa e4 07 00 a0 0f 84 <0e> c7 ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa 60 49 00 a0 0f RSP: 0018:ffffc900044878c8 EFLAGS: 00010246 RAX: 1ffff92000894206 RBX: ffffc90004487a48 RCX: ffffffff83ce6397 RDX: ffffffffa00007e4 RSI: ffffc900044a1050 RDI: ffffc90004487c00 RBP: ffffc900044878d0 R08: dffffc0000000000 R09: ffffed1021269781 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900044a1030 R14: ffffc90004487be0 R15: ffffc900044879e0 FS: 00007f9f10e85700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea6f7ef28 CR3: 00000001220fb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run_xdp include/linux/filter.h:775 [inline] bpf_test_run+0x43b/0x930 net/bpf/test_run.c:400 bpf_prog_test_run_xdp+0x60e/0xfe0 net/bpf/test_run.c:1389 bpf_prog_test_run+0x2c8/0x4e0 kernel/bpf/syscall.c:3630 __sys_bpf+0x407/0x570 kernel/bpf/syscall.c:4985 __do_sys_bpf kernel/bpf/syscall.c:5071 [inline] __se_sys_bpf kernel/bpf/syscall.c:5069 [inline] __x64_sys_bpf+0x77/0x90 kernel/bpf/syscall.c:5069 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+0x63/0xcd RIP: 0033:0x7f9f1008c169 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:00007f9f10e85168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f9f101abf80 RCX: 00007f9f1008c169 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007f9f100e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd8a6dab1f R14: 00007f9f10e85300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x812/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa e4 07 00 a0 7f 17 48 81 fa e4 07 00 a0 0f 84 <0e> c7 ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa 8c 49 00 a0 0f RSP: 0018:ffffc900044878c8 EFLAGS: 00010246 RAX: 1ffff92000894206 RBX: ffffc90004487a48 RCX: ffffffff83ce6397 RDX: ffffffffa00007e4 RSI: ffffc900044a1050 RDI: ffffc90004487c00 RBP: ffffc900044878d0 R08: dffffc0000000000 R09: ffffed1021269781 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900044a1030 R14: ffffc90004487be0 R15: ffffc900044879e0 FS: 00007f9f10e85700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6697fa80c0 CR3: 00000001220fb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400