general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 10930 Comm: syz-executor.4 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dst_dev_put+0x1f/0x2a0 net/core/dst.c:156
Code: 1f 84 00 00 00 00 00 0f 1f 40 00 41 55 41 54 55 53 48 89 fb e8 42 dc 59 fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 61 02 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffffc90000dc0d78 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff871bccae RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806e6ec56b
R10: ffffffff87ae2970 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000607f4607eee0 R14: ffffffff8d6c8424 R15: 0000000000000003
FS:  00007fd0bdb3d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000512f70 CR3: 00000000280a4000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rt_fibinfo_free_cpus.part.0+0xf5/0x180 net/ipv4/fib_semantics.c:202
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:194 [inline]
 fib_nh_common_release+0x10c/0x330 net/ipv4/fib_semantics.c:215
 fib6_info_destroy_rcu+0x187/0x210 net/ipv6/ip6_fib.c:175
 rcu_do_batch kernel/rcu/tree.c:2550 [inline]
 rcu_core+0x7ab/0x1380 kernel/rcu/tree.c:2785
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:tomoyo_domain_quota_is_ok+0x2ec/0x550 security/tomoyo/util.c:1093
Code: 84 e4 0f 84 9d 01 00 00 45 31 e4 e8 de 49 d6 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 bc 01 00 00 00 31 db <e8> bf 49 d6 fd 89 d9 44 89 e0 31 ff d3 f8 83 e0 01 41 89 c7 89 c6
RSP: 0018:ffffc90001aa77e0 EFLAGS: 00000283
RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff888030c99c40
RDX: 0000000000000000 RSI: ffff888030c99c40 RDI: 0000000000000003
RBP: ffff8880679d4580 R08: 0000000000000000 R09: 0000000000000004
R10: ffffffff839f5f6a R11: 0000000000000010 R12: 0000000000000062
R13: 000000000000029d R14: dffffc0000000000 R15: 0000000000000000
 tomoyo_supervisor+0x2f2/0xf00 security/tomoyo/common.c:2089
 tomoyo_audit_mount_log security/tomoyo/mount.c:32 [inline]
 tomoyo_mount_acl+0x524/0x840 security/tomoyo/mount.c:166
 tomoyo_mount_permission+0x151/0x3f0 security/tomoyo/mount.c:237
 security_sb_mount+0x66/0xc0 security/security.c:963
 path_mount+0x12f/0x1fc0 fs/namespace.c:3195
 do_mount fs/namespace.c:3266 [inline]
 __do_sys_mount fs/namespace.c:3474 [inline]
 __se_sys_mount fs/namespace.c:3451 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3451
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd0bdb3d188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000020000100 RSI: 0000000020000380 RDI: 0000000020000000
RBP: 00000000004bfcc4 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffcb941a6ff R14: 00007fd0bdb3d300 R15: 0000000000022000
Modules linked in:
---[ end trace 2860cbff7da350f5 ]---
RIP: 0010:dst_dev_put+0x1f/0x2a0 net/core/dst.c:156
Code: 1f 84 00 00 00 00 00 0f 1f 40 00 41 55 41 54 55 53 48 89 fb e8 42 dc 59 fa 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 61 02 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00
RSP: 0018:ffffc90000dc0d78 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff871bccae RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806e6ec56b
R10: ffffffff87ae2970 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000607f4607eee0 R14: ffffffff8d6c8424 R15: 0000000000000003
FS:  00007fd0bdb3d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000512f70 CR3: 00000000280a4000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	84 00                	test   %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	0f 1f 40 00          	nopl   0x0(%rax)
   a:	41 55                	push   %r13
   c:	41 54                	push   %r12
   e:	55                   	push   %rbp
   f:	53                   	push   %rbx
  10:	48 89 fb             	mov    %rdi,%rbx
  13:	e8 42 dc 59 fa       	callq  0xfa59dc5a
  18:	48 89 da             	mov    %rbx,%rdx
  1b:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  22:	fc ff df
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 61 02 00 00    	jne    0x294
  33:	48 8d 7b 3a          	lea    0x3a(%rbx),%rdi
  37:	4c 8b 23             	mov    (%rbx),%r12
  3a:	48                   	rex.W
  3b:	b8                   	.byte 0xb8
  3c:	00 00                	add    %al,(%rax)