general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 1099 Comm: syz.3.232 Not tainted 5.15.180-syzkaller-00024-g88c4075c39ed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:do_misc_fixups kernel/bpf/verifier.c:13331 [inline] RIP: 0010:bpf_check+0x82c8/0xf330 kernel/bpf/verifier.c:14120 Code: 3b 48 8b 44 24 68 42 80 3c 28 00 48 8b 5c 24 10 74 08 48 89 df e8 78 ce 2d 00 48 8b 33 44 89 ff 41 ff d6 49 89 c7 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 59 ce 2d 00 4d 8b 37 4d 85 f6 48 RSP: 0018:ffffc9000154f5e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88812fdec008 RCX: ffffffff8546e0c0 RDX: 0000000000000002 RSI: 00000000fffffff3 RDI: 0000000000000000 RBP: ffffc9000154fbb0 R08: 0000000000000004 R09: 0000000000000003 R10: fffff520002a9d8c R11: 1ffff920002a9d8c R12: 1ffff92000040612 R13: dffffc0000000000 R14: ffffffff8173b8e0 R15: 0000000000000000 FS: 00007f90ff8686c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f84c6ed3710 CR3: 0000000119bac000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000097 DR2: 00000000fec0006d DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_load+0x1042/0x1550 kernel/bpf/syscall.c:2325 __sys_bpf+0x4c3/0x730 kernel/bpf/syscall.c:4630 __do_sys_bpf kernel/bpf/syscall.c:4734 [inline] __se_sys_bpf kernel/bpf/syscall.c:4732 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4732 x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f91011ff969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f90ff868038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f9101426fa0 RCX: 00007f91011ff969 RDX: 0000000000000094 RSI: 0000200000000440 RDI: 0000000000000005 RBP: 00007f9101281ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9101426fa0 R15: 00007fff1efa7738 Modules linked in: Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 3b 48 8b cmp -0x75(%rax),%ecx 3: 44 24 68 rex.R and $0x68,%al 6: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) b: 48 8b 5c 24 10 mov 0x10(%rsp),%rbx 10: 74 08 je 0x1a 12: 48 89 df mov %rbx,%rdi 15: e8 78 ce 2d 00 call 0x2dce92 1a: 48 8b 33 mov (%rbx),%rsi 1d: 44 89 ff mov %r15d,%edi 20: 41 ff d6 call *%r14 23: 49 89 c7 mov %rax,%r15 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 ff mov %r15,%rdi 34: e8 59 ce 2d 00 call 0x2dce92 39: 4d 8b 37 mov (%r15),%r14 3c: 4d 85 f6 test %r14,%r14 3f: 48 rex.W