BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 75987067 P4D 75987067 PUD 3ce47067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 16145 Comm: syz-executor.0 Not tainted 5.16.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffffc9000aecf878 EFLAGS: 00010246 RAX: 1ffffffff14f0ae8 RBX: ffff88807c8e0800 RCX: dffffc0000000000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff88807c8e0800 RBP: ffffc9000aecfee8 R08: dffffc0000000000 R09: fffffbfff1ff3ddd R10: fffffbfff1ff3ddd R11: 0000000000000000 R12: ffff88806b75c000 R13: ffff88806b75c001 R14: ffffffff8a785740 R15: 1ffff1100f91c100 FS: 00007fe1ad0b0700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000076454000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: map_get_next_key kernel/bpf/syscall.c:1292 [inline] __sys_bpf+0x8825/0x12d90 kernel/bpf/syscall.c:4627 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4735 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe1ae73ae99 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe1ad0b0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe1ae84df60 RCX: 00007fe1ae73ae99 RDX: 0000000000000020 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007fe1ae794ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffba70230f R14: 00007fe1ad0b0300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace c0b836224f9e3e53 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffffc9000aecf878 EFLAGS: 00010246 RAX: 1ffffffff14f0ae8 RBX: ffff88807c8e0800 RCX: dffffc0000000000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff88807c8e0800 RBP: ffffc9000aecfee8 R08: dffffc0000000000 R09: fffffbfff1ff3ddd R10: fffffbfff1ff3ddd R11: 0000000000000000 R12: ffff88806b75c000 R13: ffff88806b75c001 R14: ffffffff8a785740 R15: 1ffff1100f91c100 FS: 00007fe1ad0b0700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000076454000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400