general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 10953 Comm: syz-executor.1 Not tainted 6.9.0-rc7-syzkaller-02060-g5c1672705a1a #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 00 18 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 04 fc 59 00 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 eb fb 59 00 48 8b 03 5b 41 5e c3 RSP: 0018:ffffc9000417fba8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a0c1000 RSI: 0000000000000026 RDI: 0000000000000027 RBP: ffffc9000417fbc0 R08: ffffffff899456b7 R09: 1ffffffff25e90a0 R10: dffffc0000000000 R11: ffffffffa0000654 R12: ffffc9000417fc80 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f54afa136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000054b46000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_a8b3b9b9a8352300+0x1a/0x25 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:4286 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5700 __do_sys_bpf kernel/bpf/syscall.c:5789 [inline] __se_sys_bpf kernel/bpf/syscall.c:5787 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5787 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: 0033:0x7f54aec7dd69 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:00007f54afa130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f54aedabf80 RCX: 00007f54aec7dd69 RDX: 000000000000000c RSI: 0000000020000380 RDI: 000000000000000a RBP: 00007f54aecca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f54aedabf80 R15: 00007fff222a55a8 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 00 18 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 04 fc 59 00 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 eb fb 59 00 48 8b 03 5b 41 5e c3 RSP: 0018:ffffc9000417fba8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a0c1000 RSI: 0000000000000026 RDI: 0000000000000027 RBP: ffffc9000417fbc0 R08: ffffffff899456b7 R09: 1ffffffff25e90a0 R10: dffffc0000000000 R11: ffffffffa0000654 R12: ffffc9000417fc80 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f54afa136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000054b46000 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: 00 18 add %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 04 fc 59 00 call 0x59fc24 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 eb fb 59 00 call 0x59fc24 39: 48 8b 03 mov (%rbx),%rax 3c: 5b pop %rbx 3d: 41 5e pop %r14 3f: c3 ret