IPVS: ftp: loaded support on port[0] = 21
BUG: unable to handle page fault for address: ffff8880cdf488ea
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD b401067 P4D b401067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9295 Comm: syz-executor384 Not tainted 5.2.0+ #66
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_prog_9e69188709424cd0+0xa95/0x1000
Code: cc cc cc 55 48 89 e5 48 81 ec 00 00 00 00 53 41 55 41 56 41 57 6a 00 31 c0 48 8b bf c0 00 00 00 44 8b 97 bc 00 00 00 4c 01 d7 <48> 0f b7 7f 06 5b 41 5f 41 5e 41 5d 5b c9 c3 cc cc cc cc cc cc cc
RSP: 0018:ffff8880a8ce7a98 EFLAGS: 00010286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffc90005de5038 RDI: ffff8880cdf488e4
RBP: ffff8880a8ce7ac0 R08: ffff8880a1ef62c0 R09: 0000000000000000
R10: 00000000316abb64 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880a8ce7ba8 R15: ffff8880a1ef62c0
FS:  0000555556cc3940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880cdf488ea CR3: 000000008f9e4000 CR4: 00000000001406f0
Call Trace:
 bpf_test_run+0x31f/0xac0 /net/bpf/test_run.c:44
 bpf_prog_test_run_skb+0x939/0x1310 /net/bpf/test_run.c:310
 bpf_prog_test_run /kernel/bpf/syscall.c:2091 [inline]
 __do_sys_bpf+0x15b4/0x42f0 /kernel/bpf/syscall.c:2867
 __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: 0033:0x441969
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 bb 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc9b8ad258 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000004a3030 RCX: 0000000000441969
RDX: 0000000000000028 RSI: 0000000020000040 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000015 R11: 0000000000000246 R12: 0000000000402eb0
R13: 0000000000402f40 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: ffff8880cdf488ea
---[ end trace 6c038cf0c8059e99 ]---
RIP: 0010:bpf_prog_9e69188709424cd0+0xa95/0x1000
Code: cc cc cc 55 48 89 e5 48 81 ec 00 00 00 00 53 41 55 41 56 41 57 6a 00 31 c0 48 8b bf c0 00 00 00 44 8b 97 bc 00 00 00 4c 01 d7 <48> 0f b7 7f 06 5b 41 5f 41 5e 41 5d 5b c9 c3 cc cc cc cc cc cc cc
RSP: 0018:ffff8880a8ce7a98 EFLAGS: 00010286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffc90005de5038 RDI: ffff8880cdf488e4
RBP: ffff8880a8ce7ac0 R08: ffff8880a1ef62c0 R09: 0000000000000000
R10: 00000000316abb64 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880a8ce7ba8 R15: ffff8880a1ef62c0
FS:  0000555556cc3940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880cdf488ea CR3: 000000008f9e4000 CR4: 00000000001406f0