BUG: kernel NULL pointer dereference, address: 0000000000000060 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000115394067 P4D 8000000115394067 PUD 0 Oops: Oops: 0000 [#1] SMP PTI CPU: 0 UID: 0 PID: 3918 Comm: syz.2.17 Not tainted syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:print_reg_state+0x21c/0x780 kernel/bpf/log.c:719 Code: 1d 48 89 df 48 c7 c6 ff 81 15 83 48 c7 c1 8f 53 17 83 e8 e7 ef ff ff 48 c7 c2 e9 a4 1b 83 41 8d 47 fd 3c 02 77 47 49 8b 4d 08 <80> 79 60 00 74 1e 48 83 c1 60 48 89 df 48 c7 c6 ea 24 21 83 e8 bb RSP: 0018:ffffc90000eff880 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88811e988000 RCX: 0000000000000000 RDX: ffffffff8318fe5c RSI: 00000000000001dc RDI: 0000000000000000 RBP: ffffc90000eff988 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8318fe5c R12: 0000000000000003 R13: ffff88811c627000 R14: ffff88811e988000 R15: 0000000000000003 FS: 00007f8d88d176c0(0000) GS:ffff8882b3772000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000060 CR3: 000000011d85c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: print_verifier_state+0x6e/0x780 kernel/bpf/log.c:775 do_check+0x14ff/0x2e80 kernel/bpf/verifier.c:19942 do_check_common+0x30c/0x7e0 kernel/bpf/verifier.c:23130 do_check_main kernel/bpf/verifier.c:23213 [inline] bpf_check+0x3453/0x4e70 kernel/bpf/verifier.c:24567 bpf_prog_load+0x65c/0x6f0 kernel/bpf/syscall.c:2972 __sys_bpf+0x3f4/0x590 kernel/bpf/syscall.c:5978 __do_sys_bpf kernel/bpf/syscall.c:6085 [inline] __se_sys_bpf kernel/bpf/syscall.c:6083 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:6083 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8d88eaeec9 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:00007f8d88d17038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f8d89105fa0 RCX: 00007f8d88eaeec9 RDX: 0000000000000094 RSI: 0000200000000100 RDI: 0000000000000005 RBP: 00007f8d88f31f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8d89106038 R14: 00007f8d89105fa0 R15: 00007ffc772cd868 Modules linked in: CR2: 0000000000000060 ---[ end trace 0000000000000000 ]--- RIP: 0010:print_reg_state+0x21c/0x780 kernel/bpf/log.c:719 Code: 1d 48 89 df 48 c7 c6 ff 81 15 83 48 c7 c1 8f 53 17 83 e8 e7 ef ff ff 48 c7 c2 e9 a4 1b 83 41 8d 47 fd 3c 02 77 47 49 8b 4d 08 <80> 79 60 00 74 1e 48 83 c1 60 48 89 df 48 c7 c6 ea 24 21 83 e8 bb RSP: 0018:ffffc90000eff880 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88811e988000 RCX: 0000000000000000 RDX: ffffffff8318fe5c RSI: 00000000000001dc RDI: 0000000000000000 RBP: ffffc90000eff988 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8318fe5c R12: 0000000000000003 R13: ffff88811c627000 R14: ffff88811e988000 R15: 0000000000000003 FS: 00007f8d88d176c0(0000) GS:ffff8882b3772000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000060 CR3: 000000011d85c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 1d 48 89 df 48 sbb $0x48df8948,%eax 5: c7 c6 ff 81 15 83 mov $0x831581ff,%esi b: 48 c7 c1 8f 53 17 83 mov $0xffffffff8317538f,%rcx 12: e8 e7 ef ff ff call 0xffffeffe 17: 48 c7 c2 e9 a4 1b 83 mov $0xffffffff831ba4e9,%rdx 1e: 41 8d 47 fd lea -0x3(%r15),%eax 22: 3c 02 cmp $0x2,%al 24: 77 47 ja 0x6d 26: 49 8b 4d 08 mov 0x8(%r13),%rcx * 2a: 80 79 60 00 cmpb $0x0,0x60(%rcx) <-- trapping instruction 2e: 74 1e je 0x4e 30: 48 83 c1 60 add $0x60,%rcx 34: 48 89 df mov %rbx,%rdi 37: 48 c7 c6 ea 24 21 83 mov $0xffffffff832124ea,%rsi 3e: e8 .byte 0xe8 3f: bb .byte 0xbb