general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 29331 Comm: syz-executor.0 Not tainted 5.12.0-rc4-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 e2 dc 72 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:ffffc90000007d78 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff8701197e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88802a08856b
R10: ffffffff878fb2a5 R11: 0000000000000000 R12: 0000000000000007
R13: fffffbfff1b8b58c R14: 0000607f4607d5c8 R15: 0000000000000001
FS:  0000000002f42400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e4a64 CR3: 000000004d705000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rt_fibinfo_free_cpus.part.0+0xda/0x140 net/ipv4/fib_semantics.c:202
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:194 [inline]
 fib_nh_common_release+0x10c/0x350 net/ipv4/fib_semantics.c:215
 fib_nh_release net/ipv4/fib_semantics.c:227 [inline]
 free_fib_info_rcu+0x24b/0x4d0 net/ipv4/fib_semantics.c:239
 rcu_do_batch kernel/rcu/tree.c:2559 [inline]
 rcu_core+0x74a/0x12f0 kernel/rcu/tree.c:2794
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:434
 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:632
RIP: 0010:check_kcov_mode+0xf/0x40 kernel/kcov.c:163
Code: 20 44 00 e9 a1 fe ff ff 48 8b 3c 24 e8 7a 20 44 00 e9 18 fe ff ff cc cc cc cc cc 65 8b 05 99 01 8e 7e 89 c2 81 e2 00 01 00 00 <a9> 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 34 15 00 00 85 d2 74
RSP: 0018:ffffc90001e178e8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000007 RCX: ffff88802586d4c0
RDX: 0000000000000000 RSI: ffff88802586d4c0 RDI: 0000000000000003
RBP: ffff888030638480 R08: 0000000000000000 R09: 0000000000000007
R10: ffffffff8393418a R11: 0000000000000010 R12: 0000000000000062
R13: 00000000000003df R14: dffffc0000000000 R15: 0000000000000001
 write_comp_data kernel/kcov.c:218 [inline]
 __sanitizer_cov_trace_const_cmp1+0x22/0x80 kernel/kcov.c:270
 tomoyo_domain_quota_is_ok+0x32a/0x550 security/tomoyo/util.c:1092
 tomoyo_supervisor+0x2f2/0xf00 security/tomoyo/common.c:2089
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission security/tomoyo/file.c:587 [inline]
 tomoyo_path_permission+0x270/0x3a0 security/tomoyo/file.c:573
 tomoyo_path_perm+0x33b/0x400 security/tomoyo/file.c:838
 tomoyo_path_rmdir+0x8e/0xd0 security/tomoyo/tomoyo.c:183
 security_path_rmdir+0xd7/0x150 security/security.c:1103
 do_rmdir+0x2ae/0x480 fs/namei.c:3958
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465dc7
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 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:00007ffc7162a978 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 0000000000465dc7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc7162bb10
RBP: 00007ffc7162aa40 R08: 0000000000000000 R09: 00007ffc7162a810
R10: 0000000002f438f3 R11: 0000000000000207 R12: 00000000004bebb2
R13: 00007ffc7162bb10 R14: 0000000002f43810 R15: 00007ffc7162bb50
Modules linked in:
---[ end trace ff634608aee7ec3e ]---
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 e2 dc 72 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:ffffc90000007d78 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff8701197e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88802a08856b
R10: ffffffff878fb2a5 R11: 0000000000000000 R12: 0000000000000007
R13: fffffbfff1b8b58c R14: 0000607f4607d5c8 R15: 0000000000000001
FS:  0000000002f42400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e4a64 CR3: 000000004d705000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600