general protection fault, probably for non-canonical address 0xdffffc000000005e: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000002f0-0x00000000000002f7]
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dst_dev_put+0x22/0x190 net/core/dst.c:156
Code: 00 00 00 00 0f 1f 40 00 41 57 41 56 41 55 41 54 53 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 35 57 f0 f9 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 8e c9 33 fa 4d 8b 37 49 8d 7f
RSP: 0018:ffffc90000db0d68 EFLAGS: 00010202
RAX: ffffffff8787897b RBX: 00000000000002f0 RCX: ffff888011d9b780
RDX: 0000000080000101 RSI: 0000000000000000 RDI: 00000000000002f0
RBP: 0000000000000000 R08: ffffffff88170aa4 R09: ffffffff83e8cecb
R10: 0000000000000009 R11: ffff888011d9b780 R12: dffffc0000000000
R13: 000000000000005e R14: 0000607f46050940 R15: 00000000000002f0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ba49162938 CR3: 0000000012681000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rt_fibinfo_free_cpus+0xe1/0x1b0 net/ipv4/fib_semantics.c:202
 fib_nh_common_release+0xee/0x2c0 net/ipv4/fib_semantics.c:215
 fib_nh_release net/ipv4/fib_semantics.c:227 [inline]
 free_fib_info_rcu+0xe4/0x4a0 net/ipv4/fib_semantics.c:239
 rcu_do_batch kernel/rcu/tree.c:2489 [inline]
 rcu_core+0x7db/0x10c0 kernel/rcu/tree.c:2723
 __do_softirq+0x318/0x714 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x9a/0xe0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x1d8/0x200 kernel/softirq.c:420
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0xe0/0xf0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:629
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:79 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:169 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:516 [inline]
RIP: 0010:acpi_idle_enter+0x3c9/0x700 drivers/acpi/processor_idle.c:647
Code: 08 31 ff e8 79 5f 60 fd 48 83 e3 08 0f 85 06 01 00 00 e8 0a 57 66 fd e9 0c 00 00 00 e8 b0 5a 60 fd 0f 00 2d 39 8e 02 06 fb f4 <9c> 8f 44 24 10 48 8d 44 24 10 48 c1 e8 03 42 80 3c 38 00 74 0a 48
RSP: 0018:ffffc90000d47dc0 EFLAGS: 00000282
RAX: 23994c5e3e1d7800 RBX: 0000000000000000 RCX: ffffffff8ff5ca03
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88801518e800 R08: ffffffff817ddd30 R09: ffffed10023b36f1
R10: ffffed10023b36f1 R11: 0000000000000000 R12: ffff888017b9f004
R13: ffff88801518e864 R14: 1ffff11002f73e00 R15: dffffc0000000000
 cpuidle_enter_state+0x486/0xd50 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x315/0x530 kernel/sched/idle.c:299
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:396
 secondary_startup_64_no_verify+0xb0/0xbb
Modules linked in:
---[ end trace 2a0c51a7397fd169 ]---
RIP: 0010:dst_dev_put+0x22/0x190 net/core/dst.c:156
Code: 00 00 00 00 0f 1f 40 00 41 57 41 56 41 55 41 54 53 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 35 57 f0 f9 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 8e c9 33 fa 4d 8b 37 49 8d 7f
RSP: 0018:ffffc90000db0d68 EFLAGS: 00010202
RAX: ffffffff8787897b RBX: 00000000000002f0 RCX: ffff888011d9b780
RDX: 0000000080000101 RSI: 0000000000000000 RDI: 00000000000002f0
RBP: 0000000000000000 R08: ffffffff88170aa4 R09: ffffffff83e8cecb
R10: 0000000000000009 R11: ffff888011d9b780 R12: dffffc0000000000
R13: 000000000000005e R14: 0000607f46050940 R15: 00000000000002f0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ba49162938 CR3: 0000000012681000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400