kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5833 Comm: syz-executor.1 Not tainted 5.2.0-rc3+ #50 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dst_dev_put+0x24/0x280 net/core/dst.c:156 Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 3d b8 eb fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e1 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00 RSP: 0018:ffff8880ae809cf8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 000000000000020e RCX: 1ffffffff13017d6 RDX: 0000000000000041 RSI: ffffffff8584ee73 RDI: 000000000000020e RBP: ffff8880ae809d18 R08: ffff888060ea2140 R09: ffffed1015d06be0 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: 0000000000000001 R13: 0000000000000007 R14: 000000000000020e R15: 0000607f51473570 FS: 00007f403bff3700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33921000 CR3: 0000000056b63000 CR4: 00000000001406f0 Call Trace: rt_fibinfo_free_cpus.part.0+0xdb/0x130 net/ipv4/fib_semantics.c:198 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:190 [inline] fib_nh_common_release+0x107/0x280 net/ipv4/fib_semantics.c:211 fib_nh_release net/ipv4/fib_semantics.c:223 [inline] free_fib_info_rcu+0x117/0x210 net/ipv4/fib_semantics.c:232 __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch kernel/rcu/tree.c:2092 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2310 [inline] rcu_core+0xba5/0x1500 kernel/rcu/tree.c:2291 __do_softirq+0x25c/0x94c kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:tomoyo_domain_quota_is_ok+0x149/0x540 security/tomoyo/util.c:1035 Code: 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 0f b6 04 10 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 69 03 00 00 41 0f b6 5c 24 18 <31> ff 89 de e8 7e 35 73 fe 84 db 75 8e e8 35 34 73 fe 49 8d 7c 24 RSP: 0018:ffff88806e4ef8d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000ea1a000 RDX: 0000000000000000 RSI: ffffffff82fd7237 RDI: ffff88809b859818 RBP: ffff88806e4ef910 R08: ffff888060ea2140 R09: ffffed100dc9df2f R10: ffffed100dc9df2e R11: 0000000000000000 R12: ffff88809b859800 R13: 0000000000000100 R14: 00000000000001c8 R15: 0000000000000000 tomoyo_supervisor+0x2e8/0xef0 security/tomoyo/common.c:2087 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline] tomoyo_path_number_perm+0x42f/0x520 security/tomoyo/file.c:734 tomoyo_path_mkdir+0xaa/0xf0 security/tomoyo/tomoyo.c:173 security_path_mkdir+0x113/0x170 security/security.c:986 do_mkdirat+0x160/0x2a0 fs/namei.c:3836 __do_sys_mkdirat fs/namei.c:3849 [inline] __se_sys_mkdirat fs/namei.c:3847 [inline] __x64_sys_mkdirat+0x76/0xb0 fs/namei.c:3847 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f403bff2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 RDX: 00000000000001ff RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f403bff36d4 R13: 00000000004c558c R14: 00000000004d98f0 R15: 00000000ffffffff Modules linked in: ---[ end trace 2fb5bb9679209ee7 ]--- RIP: 0010:dst_dev_put+0x24/0x280 net/core/dst.c:156 Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 3d b8 eb fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e1 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00 RSP: 0018:ffff8880ae809cf8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 000000000000020e RCX: 1ffffffff13017d6 RDX: 0000000000000041 RSI: ffffffff8584ee73 RDI: 000000000000020e RBP: ffff8880ae809d18 R08: ffff888060ea2140 R09: ffffed1015d06be0 R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: 0000000000000001 R13: 0000000000000007 R14: 000000000000020e R15: 0000607f51473570 FS: 00007f403bff3700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33921000 CR3: 0000000056b63000 CR4: 00000000001406f0