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: 12025 Comm: syz-executor.3 Not tainted 5.2.0-rc3+ #20 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 bd 77 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:ffff8880ae809cc8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 000000000001c4d0 RCX: 1ffffffff1301cbe RDX: 000000000000389a RSI: ffffffff85853043 RDI: 000000000001c4d0 RBP: ffff8880ae809ce8 R08: ffff8880643d0700 R09: ffff8880643d0ff0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 000000000001c4d0 R15: 0000607f51432a38 FS: 0000555556fc1940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 000000006bc0b000 CR4: 00000000001406f0 Call Trace: <IRQ> rt_fibinfo_free_cpus.part.0+0xdb/0x130 net/ipv4/fib_semantics.c:202 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:194 [inline] fib_nh_common_release+0x107/0x280 net/ipv4/fib_semantics.c:215 fib6_nh_release+0x299/0x3a0 net/ipv6/route.c:3235 fib6_info_destroy_rcu+0x11e/0x160 net/ipv6/ip6_fib.c:174 __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 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:lock_release+0x4c1/0xa00 kernel/locking/lockdep.c:4325 Code: 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 25 03 00 00 48 83 3d 9e 0e 5b 07 00 0f 84 cc 01 00 00 48 8b bd 68 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00 RSP: 0018:ffff88808b5577f0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1164e7e RBX: 1ffff110116aaf04 RCX: 1ffff1100c87a1ee RDX: dffffc0000000000 RSI: 1ffff1100c87a1ff RDI: 0000000000000286 RBP: ffff88808b5578a8 R08: ffff8880643d0700 R09: 0000000000000004 R10: ffffed100cbcd0fc R11: ffff888065e687e7 R12: ffff8880643d0700 R13: ffffffff819a26b5 R14: ffffffff8a65cd40 R15: ffff88808b557880 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1b/0x50 kernel/locking/spinlock.c:183 spin_unlock include/linux/spinlock.h:378 [inline] __pte_alloc+0x1b5/0x310 mm/memory.c:433 copy_pte_range mm/memory.c:832 [inline] copy_pmd_range mm/memory.c:908 [inline] copy_pud_range mm/memory.c:942 [inline] copy_p4d_range mm/memory.c:964 [inline] copy_page_range+0x1561/0x1fc0 mm/memory.c:1026 dup_mmap kernel/fork.c:588 [inline] dup_mm+0x9c4/0x13b0 kernel/fork.c:1341 copy_mm kernel/fork.c:1397 [inline] copy_process.part.0+0x2cde/0x6790 kernel/fork.c:2032 copy_process kernel/fork.c:1800 [inline] _do_fork+0x25d/0xfe0 kernel/fork.c:2369 __do_sys_clone kernel/fork.c:2476 [inline] __se_sys_clone kernel/fork.c:2470 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2470 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45784a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffd32eee370 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd32eee370 RCX: 000000000045784a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd32eee3b0 R08: 0000000000000001 R09: 0000555556fc1940 R10: 0000555556fc1c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd32eee400 Modules linked in: ---[ end trace f94efeedd609366b ]--- 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 bd 77 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:ffff8880ae809cc8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 000000000001c4d0 RCX: 1ffffffff1301cbe RDX: 000000000000389a RSI: ffffffff85853043 RDI: 000000000001c4d0 RBP: ffff8880ae809ce8 R08: ffff8880643d0700 R09: ffff8880643d0ff0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 000000000001c4d0 R15: 0000607f51432a38 FS: 0000555556fc1940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 000000006bc0b000 CR4: 00000000001406f0