Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 11630 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:____bpf_get_attach_cookie_tracing kernel/trace/bpf_trace.c:1179 [inline] RIP: 0010:bpf_get_attach_cookie_tracing+0x46/0x60 kernel/trace/bpf_trace.c:1174 Code: d3 03 00 48 81 c3 08 18 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 84 11 5a 00 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 6b 11 5a 00 48 8b 03 5b 41 5e c3 RSP: 0018:ffffc90002e27ba8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90005939000 RSI: 0000000000000026 RDI: 0000000000000027 RBP: ffffc90002e27bc0 R08: ffffffff89995557 R09: 1ffffffff25f38b0 R10: dffffc0000000000 R11: ffffffffa0000cd0 R12: ffffc90002e27c80 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fd50912b6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d21000 CR3: 000000006b1e4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_fe13437f26555f61+0x1a/0x1c bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline] __bpf_prog_run include/linux/filter.h:691 [inline] bpf_prog_run include/linux/filter.h:698 [inline] __bpf_prog_test_run_raw_tp+0x149/0x310 net/bpf/test_run.c:732 bpf_prog_test_run_raw_tp+0x47b/0x6a0 net/bpf/test_run.c:772 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4291 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5705 __do_sys_bpf kernel/bpf/syscall.c:5794 [inline] __se_sys_bpf kernel/bpf/syscall.c:5792 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5792 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd50847cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd50912b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd5085abf80 RCX: 00007fd50847cee9 RDX: 0000000000000007 RSI: 0000000020000e40 RDI: 000000000000000a RBP: 00007fd5084c949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd5085abf80 R15: 00007fff0c17e3a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:____bpf_get_attach_cookie_tracing kernel/trace/bpf_trace.c:1179 [inline] RIP: 0010:bpf_get_attach_cookie_tracing+0x46/0x60 kernel/trace/bpf_trace.c:1174 Code: d3 03 00 48 81 c3 08 18 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 84 11 5a 00 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 6b 11 5a 00 48 8b 03 5b 41 5e c3 RSP: 0018:ffffc90002e27ba8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90005939000 RSI: 0000000000000026 RDI: 0000000000000027 RBP: ffffc90002e27bc0 R08: ffffffff89995557 R09: 1ffffffff25f38b0 R10: dffffc0000000000 R11: ffffffffa0000cd0 R12: ffffc90002e27c80 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fd50912b6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d21000 CR3: 000000006b1e4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: d3 03 roll %cl,(%rbx) 2: 00 48 81 add %cl,-0x7f(%rax) 5: c3 ret 6: 08 18 or %bl,(%rax) 8: 00 00 add %al,(%rax) a: 48 89 d8 mov %rbx,%rax d: 48 c1 e8 03 shr $0x3,%rax 11: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) 16: 74 08 je 0x20 18: 48 89 df mov %rbx,%rdi 1b: e8 84 11 5a 00 call 0x5a11a4 20: 48 8b 1b mov (%rbx),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 6b 11 5a 00 call 0x5a11a4 39: 48 8b 03 mov (%rbx),%rax 3c: 5b pop %rbx 3d: 41 5e pop %r14 3f: c3 ret