BUG: unable to handle page fault for address: ffffc90001941002 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD aa542067 P4D aa542067 PUD aa543067 PMD 219a5a067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18509 Comm: syz-executor.0 Not tainted 5.2.0-next-20190718 #41 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bpf_prog_kallsyms_candidate /kernel/bpf/core.c:637 [inline] RIP: 0010:bpf_prog_kallsyms_add+0x44/0x840 /kernel/bpf/core.c:648 Code: 8d 7b 02 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 6d 06 00 00 <44> 0f b6 63 02 31 ff 41 83 e4 01 44 89 e6 e8 b9 80 f4 ff 45 84 e4 RSP: 0018:ffff88803376fb20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc90001941000 RCX: ffffc90005f4d000 RDX: 0000000000000002 RSI: ffffffff817e0539 RDI: ffffc90001941002 RBP: ffff88803376fb60 R08: ffff888055176500 R09: ffff888055176d90 R10: fffffbfff134a3ff R11: ffffffff89a51fff R12: 0000000000000003 R13: 0000000000000f21 R14: ffffc90001941000 R15: ffff8880983c55c0 FS: 00007fcbbbe45700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001941002 CR3: 0000000059e18000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_load+0x1017/0x1670 /kernel/bpf/syscall.c:1722 __do_sys_bpf+0xa46/0x42f0 /kernel/bpf/syscall.c:2849 __se_sys_bpf /kernel/bpf/syscall.c:2808 [inline] __x64_sys_bpf+0x73/0xb0 /kernel/bpf/syscall.c:2808 do_syscall_64+0xfd/0x6a0 /arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459819 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fcbbbe44c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbbbe456d4 R13: 00000000004bfc7c R14: 00000000004d16d8 R15: 00000000ffffffff Modules linked in: CR2: ffffc90001941002 ---[ end trace 44514f0a5e73a7bf ]--- RIP: 0010:bpf_prog_kallsyms_candidate /kernel/bpf/core.c:637 [inline] RIP: 0010:bpf_prog_kallsyms_add+0x44/0x840 /kernel/bpf/core.c:648 Code: 8d 7b 02 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 6d 06 00 00 <44> 0f b6 63 02 31 ff 41 83 e4 01 44 89 e6 e8 b9 80 f4 ff 45 84 e4 RSP: 0018:ffff88803376fb20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc90001941000 RCX: ffffc90005f4d000 RDX: 0000000000000002 RSI: ffffffff817e0539 RDI: ffffc90001941002 RBP: ffff88803376fb60 R08: ffff888055176500 R09: ffff888055176d90 R10: fffffbfff134a3ff R11: ffffffff89a51fff R12: 0000000000000003 R13: 0000000000000f21 R14: ffffc90001941000 R15: ffff8880983c55c0 FS: 00007fcbbbe45700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001941002 CR3: 0000000059e18000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400