BUG: unable to handle page fault for address: 0000000028df9840 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000067282067 P4D 8000000067282067 PUD 67ae9067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5318 Comm: syz.2.44 Not tainted 6.10.0-rc7-syzkaller-00133-g8b9b59e27aa8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:bpf_prog_82ec301e76077160+0x5c/0xa0 Code: 0a b8 02 00 00 00 41 5d 5b c9 c3 48 89 df 48 8b b7 d8 00 00 00 48 63 f6 48 8b 57 50 48 89 f0 48 83 c0 08 48 39 c2 77 02 eb dc <48> 0f b7 5e 00 4c 0f bf eb 48 81 fb 0f ff 07 00 74 00 48 c1 e3 20 RSP: 0018:ffffc9000984f980 EFLAGS: 00010292 RAX: 0000000028df9848 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff888028df9850 RSI: 0000000028df9840 RDI: ffff8880251c0a00 RBP: ffffc9000984f990 R08: ffffffff8183cf51 R09: 1ffffffff1f5b295 R10: dffffc0000000000 R11: ffffffffa0001fdc R12: ffffffff8998404e R13: dffffc0000000000 R14: ffffc900072c5030 R15: ffffc900072c5020 FS: 00007fec182a06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000028df9840 CR3: 000000001ee20000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: 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_test_run+0x409/0x910 net/bpf/test_run.c:425 bpf_prog_test_run_skb+0xafa/0x13a0 net/bpf/test_run.c:1072 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4292 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5706 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline] __se_sys_bpf kernel/bpf/syscall.c:5793 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fec17575bd9 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:00007fec182a0048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec17704038 RCX: 00007fec17575bd9 RDX: 000000000000004c RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007fec175e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fec17704038 R15: 00007fff2511c598 Modules linked in: CR2: 0000000028df9840 ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_prog_82ec301e76077160+0x5c/0xa0 Code: 0a b8 02 00 00 00 41 5d 5b c9 c3 48 89 df 48 8b b7 d8 00 00 00 48 63 f6 48 8b 57 50 48 89 f0 48 83 c0 08 48 39 c2 77 02 eb dc <48> 0f b7 5e 00 4c 0f bf eb 48 81 fb 0f ff 07 00 74 00 48 c1 e3 20 RSP: 0018:ffffc9000984f980 EFLAGS: 00010292 RAX: 0000000028df9848 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff888028df9850 RSI: 0000000028df9840 RDI: ffff8880251c0a00 RBP: ffffc9000984f990 R08: ffffffff8183cf51 R09: 1ffffffff1f5b295 R10: dffffc0000000000 R11: ffffffffa0001fdc R12: ffffffff8998404e R13: dffffc0000000000 R14: ffffc900072c5030 R15: ffffc900072c5020 FS: 00007fec182a06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000028df9840 CR3: 000000001ee20000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 0a b8 02 00 00 00 or 0x2(%rax),%bh 6: 41 5d pop %r13 8: 5b pop %rbx 9: c9 leave a: c3 ret b: 48 89 df mov %rbx,%rdi e: 48 8b b7 d8 00 00 00 mov 0xd8(%rdi),%rsi 15: 48 63 f6 movslq %esi,%rsi 18: 48 8b 57 50 mov 0x50(%rdi),%rdx 1c: 48 89 f0 mov %rsi,%rax 1f: 48 83 c0 08 add $0x8,%rax 23: 48 39 c2 cmp %rax,%rdx 26: 77 02 ja 0x2a 28: eb dc jmp 0x6 * 2a: 48 0f b7 5e 00 movzwq 0x0(%rsi),%rbx <-- trapping instruction 2f: 4c 0f bf eb movswq %bx,%r13 33: 48 81 fb 0f ff 07 00 cmp $0x7ff0f,%rbx 3a: 74 00 je 0x3c 3c: 48 c1 e3 20 shl $0x20,%rbx