BUG: unable to handle page fault for address: ffffc90001921002
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD aa53e067 P4D aa53e067 PUD aa53f067 PMD 219bb0067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20819 Comm: syz-executor.1 Not tainted 5.3.0-rc4-next-20190814 #66
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 49 7a f4 ff 45 84 e4
RSP: 0018:ffff8880600efb20 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc90001921000 RCX: ffffc9000835f000
RDX: 0000000000000002 RSI: ffffffff817db709 RDI: ffffc90001921002
RBP: ffff8880600efb60 R08: ffff88808a3c84c0 R09: ffff88808a3c8d50
R10: fffffbfff138c810 R11: ffffffff89c64087 R12: 0000000000000004
R13: 0000000000000f83 R14: ffffc90001921000 R15: ffff888092295580
FS:  00007fafff6c6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90001921002 CR3: 000000008d5d6000 CR4: 00000000001406f0
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+0xc43/0x3460 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+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
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:00007fafff6c5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafff6c66d4
R13: 00000000004bfc7c R14: 00000000004d1938 R15: 00000000ffffffff
Modules linked in:
CR2: ffffc90001921002
---[ end trace ae49ffadf1f9d860 ]---
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 49 7a f4 ff 45 84 e4
RSP: 0018:ffff8880600efb20 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc90001921000 RCX: ffffc9000835f000
RDX: 0000000000000002 RSI: ffffffff817db709 RDI: ffffc90001921002
RBP: ffff8880600efb60 R08: ffff88808a3c84c0 R09: ffff88808a3c8d50
R10: fffffbfff138c810 R11: ffffffff89c64087 R12: 0000000000000004
R13: 0000000000000f83 R14: ffffc90001921000 R15: ffff888092295580
FS:  00007fafff6c6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90001921002 CR3: 000000008d5d6000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400