BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0001) - permissions violation PGD c691067 P4D c691067 PUD c693067 PMD c6b6067 PTE 800000000c609165 Oops: 0001 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3501 Comm: syz-executor190 Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:copy_from_kernel_nofault+0x7d/0x2d0 mm/maccess.c:37 Code: 01 84 c0 0f 85 ed 01 00 00 41 ff 06 bf 07 00 00 00 4c 89 ee e8 74 ee d5 ff 49 83 fd 07 76 5c 4c 89 fb 49 83 c5 f8 49 83 c7 08 <49> 8b 2c 24 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90002d87980 EFLAGS: 00010296 RAX: 0000000000000000 RBX: ffffc90002d879e8 RCX: ffff88801ffc0000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90002d879f0 R08: ffffffff81aa4b4c R09: ffffffff81965658 R10: 0000000000000005 R11: ffff88801ffc0000 R12: ffffffffff600000 R13: 0000000000000000 R14: ffff88801ffc1788 R15: ffffc90002d879f0 FS: 0000555555d13380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000001a639000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:220 [inline] ____bpf_probe_read_kernel kernel/trace/bpf_trace.c:229 [inline] bpf_probe_read_kernel+0x26/0x70 kernel/trace/bpf_trace.c:226 bpf_prog_3aa1bfad0585af26+0x5b/0x78c bpf_dispatcher_nop_func include/linux/bpf.h:780 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] bpf_test_run+0x3f4/0x8a0 net/bpf/test_run.c:119 bpf_prog_test_run_skb+0xb41/0x1420 net/bpf/test_run.c:663 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3346 __sys_bpf+0x3ac/0x670 kernel/bpf/syscall.c:4647 __do_sys_bpf kernel/bpf/syscall.c:4733 [inline] __se_sys_bpf kernel/bpf/syscall.c:4731 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4731 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7ff5472d8769 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe1d079478 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffe1d079648 RCX: 00007ff5472d8769 RDX: 000000000000004c RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007ff54734b610 R08: 0000000000000000 R09: 00007ffe1d079648 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe1d079638 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: CR2: ffffffffff600000 ---[ end trace 55128aca4b2172b7 ]--- RIP: 0010:copy_from_kernel_nofault+0x7d/0x2d0 mm/maccess.c:37 Code: 01 84 c0 0f 85 ed 01 00 00 41 ff 06 bf 07 00 00 00 4c 89 ee e8 74 ee d5 ff 49 83 fd 07 76 5c 4c 89 fb 49 83 c5 f8 49 83 c7 08 <49> 8b 2c 24 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90002d87980 EFLAGS: 00010296 RAX: 0000000000000000 RBX: ffffc90002d879e8 RCX: ffff88801ffc0000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90002d879f0 R08: ffffffff81aa4b4c R09: ffffffff81965658 R10: 0000000000000005 R11: ffff88801ffc0000 R12: ffffffffff600000 R13: 0000000000000000 R14: ffff88801ffc1788 R15: ffffc90002d879f0 FS: 0000555555d13380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000001a639000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 01 84 c0 0f 85 ed 01 add %eax,0x1ed850f(%rax,%rax,8) 7: 00 00 add %al,(%rax) 9: 41 ff 06 incl (%r14) c: bf 07 00 00 00 mov $0x7,%edi 11: 4c 89 ee mov %r13,%rsi 14: e8 74 ee d5 ff call 0xffd5ee8d 19: 49 83 fd 07 cmp $0x7,%r13 1d: 76 5c jbe 0x7b 1f: 4c 89 fb mov %r15,%rbx 22: 49 83 c5 f8 add $0xfffffffffffffff8,%r13 26: 49 83 c7 08 add $0x8,%r15 * 2a: 49 8b 2c 24 mov (%r12),%rbp <-- trapping instruction 2e: 48 89 d8 mov %rbx,%rax 31: 48 c1 e8 03 shr $0x3,%rax 35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 3c: fc ff df 3f: 80 .byte 0x80