general protection fault, probably for non-canonical address 0xdffffc001ffffffd: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x00000000ffffffe8-0x00000000ffffffef] CPU: 1 PID: 8065 Comm: syz-executor.5 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+0x1d/0x220 net/core/dst.c:156 Code: 66 b7 fa e9 53 ff ff ff cc cc cc cc cc 41 54 55 53 48 89 fb e8 f4 b8 73 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:ffffc90000dc0da8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000ffffffea RCX: 0000000000000100 RDX: 000000001ffffffd RSI: ffffffff8700387c RDI: 00000000ffffffea RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff878e7855 R11: 0000000000000000 R12: 0000000000000007 R13: fffffbfff1b8a33c R14: 0000607f4603acc0 R15: 00000000ffffffea FS: 0000000001996400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4a65 CR3: 000000002c139000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0xff/0x330 net/ipv4/fib_semantics.c:215 fib6_info_destroy_rcu+0x187/0x210 net/ipv6/ip6_fib.c:174 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 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 RIP: 0010:tomoyo_check_acl+0xb0/0x450 security/tomoyo/domain.c:173 Code: 03 00 00 49 8b 5d 00 49 39 dd 0f 84 fa 01 00 00 e8 85 a6 e2 fd 48 8d 7b 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 <38> d0 7f 08 84 c0 0f 85 f7 02 00 00 44 0f b6 73 18 31 ff 44 89 f6 RSP: 0018:ffffc900016ffad0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88801e303900 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff83914aeb RDI: ffff88801e303918 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff83914b71 R11: 0000000000000002 R12: ffffc900016ffc00 R13: ffff88801feebf90 R14: 0000000000000002 R15: 0000000000000000 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x39e/0x400 security/tomoyo/file.c:838 tomoyo_path_symlink+0x94/0xe0 security/tomoyo/tomoyo.c:200 security_path_symlink+0xdf/0x150 security/security.c:1119 do_symlinkat+0x123/0x300 fs/namei.c:4201 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465d67 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 58 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:00007ffc1227d1d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000465d67 RDX: 00007ffc1227d2c7 RSI: 00000000004bfa9c RDI: 00007ffc1227d2b0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1227d070 R10: 00007ffc1227cf27 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc1227d2b0 Modules linked in: ---[ end trace 49c2b9b5744238d3 ]--- RIP: 0010:dst_dev_put+0x1d/0x220 net/core/dst.c:156 Code: 66 b7 fa e9 53 ff ff ff cc cc cc cc cc 41 54 55 53 48 89 fb e8 f4 b8 73 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:ffffc90000dc0da8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000ffffffea RCX: 0000000000000100 RDX: 000000001ffffffd RSI: ffffffff8700387c RDI: 00000000ffffffea RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff878e7855 R11: 0000000000000000 R12: 0000000000000007 R13: fffffbfff1b8a33c R14: 0000607f4603acc0 R15: 00000000ffffffea FS: 0000000001996400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4a65 CR3: 000000002c139000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400