------------[ cut here ]------------ verifier backtracking bug WARNING: CPU: 0 PID: 7931 at kernel/bpf/verifier.c:1785 __mark_chain_precision+0x2279/0x23b0 kernel/bpf/verifier.c:1785 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7931 Comm: syz-executor240 Not tainted 5.2.0+ #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x2f8 lib/dump_stack.c:113 panic+0x29b/0x7d9 kernel/panic.c:219 __warn+0x22f/0x230 kernel/panic.c:576 report_bug+0x190/0x290 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1008 RIP: 0010:__mark_chain_precision+0x2279/0x23b0 kernel/bpf/verifier.c:1785 Code: 0f 8c 39 df ff ff e8 c6 9a 29 00 e9 2f df ff ff e8 fc 1d ef ff c6 05 97 ea 71 07 01 48 c7 c7 f0 f8 7d 88 31 c0 e8 17 59 c0 ff <0f> 0b e9 49 e1 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 50 df ff RSP: 0018:ffff8880a164ec80 EFLAGS: 00010246 RAX: 88c484461bc5e000 RBX: 0000000000000000 RCX: ffff8880908066c0 RDX: 0000000000000000 RSI: ffffffff81602038 RDI: 0000000000000286 RBP: ffff8880a164ee30 R08: ffff888090806f10 R09: fffffbfff119a91f R10: fffffbfff119a91f R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a289e810 R14: 0000000000000000 R15: 0000000000000001 mark_chain_precision kernel/bpf/verifier.c:1822 [inline] check_cond_jmp_op kernel/bpf/verifier.c:5842 [inline] do_check+0x874d/0x22ef0 kernel/bpf/verifier.c:7782 bpf_check+0x3f32/0xe9e0 kernel/bpf/verifier.c:9293 bpf_prog_load kernel/bpf/syscall.c:1698 [inline] __do_sys_bpf+0x8278/0xc6d0 kernel/bpf/syscall.c:2849 __se_sys_bpf kernel/bpf/syscall.c:2808 [inline] __x64_sys_bpf+0x7a/0x90 kernel/bpf/syscall.c:2808 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440369 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffced5149e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000401bf0 R13: 0000000000401c80 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..