BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 7e516067 P4D 7e516067 PUD 18a72067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4889 Comm: syz-executor.4 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:ffffc90004707ce0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff920008e0fa3 RCX: ffffc9000a8d3000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff888070d49800 RBP: ffffc90004707f08 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8185f8f3 R11: 0000000000000000 R12: ffffffff89b3f400 R13: ffff888070d49800 R14: ffff8880184f3180 R15: 0000000000000000 FS: 00007f553ad8b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007e78d000 CR4: 0000000000350ef0 Call Trace: map_get_next_key kernel/bpf/syscall.c:1292 [inline] __sys_bpf+0x36c3/0x5950 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+0x75/0xb0 kernel/bpf/syscall.c:4735 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f553c415e99 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:00007f553ad8b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f553c528f60 RCX: 00007f553c415e99 RDX: 0000000000000020 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f553c46fff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffebf28fd2f R14: 00007f553ad8b300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0235dc067da9aba5 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffffc90004707ce0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff920008e0fa3 RCX: ffffc9000a8d3000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff888070d49800 RBP: ffffc90004707f08 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8185f8f3 R11: 0000000000000000 R12: ffffffff89b3f400 R13: ffff888070d49800 R14: ffff8880184f3180 R15: 0000000000000000 FS: 00007f553ad8b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007e78d000 CR4: 0000000000350ef0