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IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 ================================================================== BUG: KASAN: stack-out-of-bounds in __read_once_size include/linux/compiler.h:188 [inline] BUG: KASAN: stack-out-of-bounds in __in6_dev_get include/net/addrconf.h:336 [inline] BUG: KASAN: stack-out-of-bounds in fib6_ignore_linkdown net/ipv6/route.c:647 [inline] BUG: KASAN: stack-out-of-bounds in find_match+0xd6a/0xec0 net/ipv6/route.c:665 Read of size 8 at addr ffff8801aa7cabb0 by task swapper/1/0 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.18.0-rc3+ #136 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 __read_once_size include/linux/compiler.h:188 [inline] __in6_dev_get include/net/addrconf.h:336 [inline] fib6_ignore_linkdown net/ipv6/route.c:647 [inline] find_match+0xd6a/0xec0 net/ipv6/route.c:665 find_rr_leaf net/ipv6/route.c:711 [inline] rt6_select net/ipv6/route.c:761 [inline] fib6_table_lookup+0x648/0x14f0 net/ipv6/route.c:1823 ip6_pol_route+0x1ca/0x1050 net/ipv6/route.c:1856 ip6_pol_route_input+0x62/0x80 net/ipv6/route.c:1925 fib6_rule_lookup+0x131/0x700 net/ipv6/fib6_rules.c:118 ip6_route_input_lookup+0xb9/0xd0 net/ipv6/route.c:1937 ip6_route_input+0x769/0xdc0 net/ipv6/route.c:2072 ip6_rcv_finish+0x237/0xa30 net/ipv6/ip6_input.c:69 NF_HOOK include/linux/netfilter.h:287 [inline] ipv6_rcv+0xec0/0x2060 net/ipv6/ip6_input.c:208 __netif_receive_skb_core+0x2488/0x3680 net/core/dev.c:4628 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4693 process_backlog+0x219/0x760 net/core/dev.c:5373 napi_poll net/core/dev.c:5771 [inline] net_rx_action+0x7da/0x1980 net/core/dev.c:5837 __do_softirq+0x2e8/0xb17 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:408 exiting_irq arch/x86/include/asm/apic.h:527 [inline] smp_apic_timer_interrupt+0x186/0x730 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 </IRQ> RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54 Code: c7 48 89 45 d8 e8 3a 10 26 fa 48 8b 45 d8 e9 d2 fe ff ff 48 89 df e8 29 10 26 fa eb 8a 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffff8801d9af7c38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff1003b35ef8a RCX: 0000000000000000 RDX: 1ffffffff11e3610 RSI: 0000000000000001 RDI: ffffffff88f1b080 RBP: ffff8801d9af7c38 R08: ffffed003b5e46d7 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8801d9af7cf0 R14: ffffffff899ecae0 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0xc7/0x450 arch/x86/kernel/process.c:500 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:491 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x3aa/0x570 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 start_secondary+0x433/0x5d0 arch/x86/kernel/smpboot.c:265 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:242 Allocated by task 1: (stack is not available) Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff8801aa7ca880 which belongs to the cache kmalloc-4096 of size 4096 The buggy address is located 816 bytes inside of 4096-byte region [ffff8801aa7ca880, ffff8801aa7cb880) The buggy address belongs to the page: page:ffffea0006a9f280 count:1 mapcount:0 mapping:ffff8801da800dc0 index:0x0 compound_mapcount: 0 flags: 0x2fffc0000008100(slab|head) raw: 02fffc0000008100 ffffea0006a9d888 ffffea0006bb7008 ffff8801da800dc0 raw: 0000000000000000 ffff8801aa7ca880 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801aa7caa80: 00 f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 ffff8801aa7cab00: f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 f8 f2 f2 >ffff8801aa7cab80: f2 f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00 00 00 00 ^ ffff8801aa7cac00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 ffff8801aa7cac80: f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2018/07/08 06:01 | upstream | b2d44d145d2a | c9a7a4dc | .config | console log | report | syz | C | ci-upstream-kasan-gce-root |