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: 1 PID: 10071 Comm: syz-executor.0 Not tainted 5.2.0-rc3+ #45 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 9d 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:ffff8880ae909cd8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 00000000000000b8 RCX: 1ffffffff13017d6 RDX: 0000000000000017 RSI: ffffffff8584ee13 RDI: 00000000000000b8 RBP: ffff8880ae909cf8 R08: ffff8880978a4500 R09: ffff8880978a4da0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 00000000000000b8 R15: 0000607f5146d680 FS: 000055555559b940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c4291f9000 CR3: 000000009222c000 CR4: 00000000001406e0 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 fib6_nh_release+0x16/0x20 net/ipv6/route.c:3097 fib6_info_destroy_rcu+0x1f9/0x300 net/ipv6/ip6_fib.c:195 __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:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x50 kernel/kcov.c:101 Code: f4 ff ff ff e8 4d 10 ea ff 48 c7 05 9e 78 f5 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 55 48 89 e5 48 8b 75 08 <65> 48 8b 04 25 c0 fd 01 00 65 8b 15 c0 56 91 7e 81 e2 00 01 1f 00 RSP: 0018:ffff88805f567110 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1304748 RBX: ffff888067546580 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff85876122 RDI: 0000000000000007 RBP: ffff88805f567110 R08: ffff8880978a4500 R09: ffffed1015d26be0 R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000014 R13: 0000000000000000 R14: 0000000000000304 R15: ffffffff898260a0 rtnl_link_get_af_size net/core/rtnetlink.c:591 [inline] if_nlmsg_size+0x3e2/0x9e0 net/core/rtnetlink.c:1011 rtmsg_ifinfo_build_skb+0x5f/0x1a0 net/core/rtnetlink.c:3459 rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3495 rtmsg_ifinfo_event net/core/rtnetlink.c:3506 [inline] rtmsg_ifinfo+0x8d/0xa0 net/core/rtnetlink.c:3504 __dev_notify_flags+0x235/0x2c0 net/core/dev.c:7584 rtnl_configure_link+0x175/0x250 net/core/rtnetlink.c:2886 __rtnl_newlink+0x10a9/0x16c0 net/core/rtnetlink.c:3205 rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3245 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5214 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2482 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5232 netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1333 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1922 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 __sys_sendto+0x262/0x380 net/socket.c:1958 __do_sys_sendto net/socket.c:1970 [inline] __se_sys_sendto net/socket.c:1966 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1966 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130c3 Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d cd 31 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff RSP: 002b:00007ffe495b7a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004130c3 RDX: 000000000000003c RSI: 0000000000a70070 RDI: 0000000000000003 RBP: 00007ffe495b7b58 R08: 00007ffe495b7a20 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00000000004be465 R14: 00007ffe495b7b50 R15: 00000000004be45f Modules linked in: ---[ end trace 312c84b7173cfb83 ]--- 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 9d 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:ffff8880ae909cd8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 00000000000000b8 RCX: 1ffffffff13017d6 RDX: 0000000000000017 RSI: ffffffff8584ee13 RDI: 00000000000000b8 RBP: ffff8880ae909cf8 R08: ffff8880978a4500 R09: ffff8880978a4da0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 00000000000000b8 R15: 0000607f5146d680 FS: 000055555559b940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c4291f9000 CR3: 000000009222c000 CR4: 00000000001406e0