general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 PID: 12 Comm: ksoftirqd/0 Not tainted 5.11.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dst_dev_put+0x1d/0x220 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/core/dst.c:156
Code: 74 bb fa e9 53 ff ff ff cc cc cc cc cc 41 54 55 53 48 89 fb e8 64 77 78 fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 8b 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffffc90000d17c48 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 000000000000001e RCX: 0000000000000100
RDX: 0000000000000003 RSI: ffffffff86fa67dc RDI: 000000000000001e
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8787c195 R11: 0000000000000000 R12: 0000000000000007
R13: fffffbfff1b4774c R14: 0000607f4603a780 R15: 000000000000001e
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdeb775e90 CR3: 00000000184b0000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 rt_fibinfo_free_cpus.part.0+0xda/0x140 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/ipv4/fib_semantics.c:202
 rt_fibinfo_free_cpus syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/ipv4/fib_semantics.c:194 [inline]
 fib_nh_common_release+0xff/0x330 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/ipv4/fib_semantics.c:215
 fib6_info_destroy_rcu+0x187/0x210 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/ipv6/ip6_fib.c:174
 rcu_do_batch syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/rcu/tree.c:2489 [inline]
 rcu_core+0x5eb/0xf00 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/rcu/tree.c:2723
 __do_softirq+0x29b/0x9f6 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/softirq.c:343
 run_ksoftirqd syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/softirq.c:650 [inline]
 run_ksoftirqd+0x2d/0x50 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/softirq.c:642
 smpboot_thread_fn+0x655/0x9e0 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/smpboot.c:165
 kthread+0x3b1/0x4a0 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace 989dbc55c53154c5 ]---
RIP: 0010:dst_dev_put+0x1d/0x220 syzkaller/managers/upstream-bpf-next-kasan-gce/kernel/net/core/dst.c:156
Code: 74 bb fa e9 53 ff ff ff cc cc cc cc cc 41 54 55 53 48 89 fb e8 64 77 78 fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 8b 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffffc90000d17c48 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 000000000000001e RCX: 0000000000000100
RDX: 0000000000000003 RSI: ffffffff86fa67dc RDI: 000000000000001e
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8787c195 R11: 0000000000000000 R12: 0000000000000007
R13: fffffbfff1b4774c R14: 0000607f4603a780 R15: 000000000000001e
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdeb775e90 CR3: 00000000184b0000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600