IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 list_add corruption. prev->next should be next (ffffffff89fd0da0), but was ffff8881bf2474b0. (prev=ffff8881bf9f7930). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7110 Comm: syz-executor3 Not tainted 4.20.0-rc4+ #334 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 8021q: adding VLAN 0 to HW filter on device bond0 Code: e8 90 fd d1 fd 0f 0b 48 89 d9 48 c7 c7 a0 d8 60 88 e8 7f fd d1 fd 0f 0b 48 89 f1 48 c7 c7 20 d9 60 88 48 89 de e8 6b fd d1 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 RSP: 0018:ffff8881daf06dd0 EFLAGS: 00010282 RAX: 0000000000000075 RBX: ffffffff89fd0da0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005 RBP: ffff8881daf06de8 R08: ffff8881c1a6a6c0 R09: ffffed103b5e5020 R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff8881d4bab8f0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready R13: ffff8881d4bab680 R14: ffffffff89fd0b60 R15: ffffffff89fd0df0 FS: 000000000244d940(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004dbc9b CR3: 00000001c35dc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] neigh_alloc net/core/neighbour.c:395 [inline] ___neigh_create+0x14b7/0x2600 net/core/neighbour.c:553 8021q: adding VLAN 0 to HW filter on device team0 __neigh_create+0x30/0x40 net/core/neighbour.c:640 ip6_finish_output2+0xa59/0x27a0 net/ipv6/ip6_output.c:117 ip6_finish_output+0x58c/0xc60 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x232/0x9d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] mld_sendpack+0xad5/0xfa0 net/ipv6/mcast.c:1683 mld_send_cr net/ipv6/mcast.c:1979 [inline] mld_ifc_timer_expire+0x447/0x8a0 net/ipv6/mcast.c:2478 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x18/0x60 kernel/rcu/update.c:249 Code: 00 00 00 eb dc 0f 0b b8 ff ff ff ff 5d c3 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 <48> 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 RSP: 0018:ffff8881b2c771b8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881c1a6a6c0 RCX: ffffffff819d5897 RDX: 0000000000000000 RSI: ffffffff819d5fb4 RDI: ffffffff8a1692b4 RBP: ffff8881b2c771c0 R08: ffff8881c1a6a6c0 R09: ffffed103658ee4e R10: ffffed103658ee4e R11: 0000000000000003 R12: ffffea0006f57980 R13: 1ffff1103658eea2 R14: ffff8881b2c77610 R15: dffffc0000000000 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:248 xa_entry include/linux/xarray.h:848 [inline] xas_reload include/linux/xarray.h:1196 [inline] filemap_map_pages+0xf4b/0x1a20 mm/filemap.c:2564 do_fault_around mm/memory.c:3369 [inline] do_read_fault mm/memory.c:3403 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x45a0/0x5be0 mm/memory.c:3889 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139 RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:45 [inline] RIP: 0010:strncpy_from_user+0x1aa/0x5a0 lib/strncpy_from_user.c:118 Code: 24 c8 48 39 c3 48 0f 47 d8 48 89 de e8 cf 3e d9 fd 48 83 fb 07 48 89 9d 68 ff ff ff 0f 86 59 03 00 00 e8 89 3d d9 fd 45 31 e4 <49> 8b 1e 31 ff 44 89 e6 e8 89 3e d9 fd 45 85 e4 0f 85 17 03 00 00 RSP: 0018:ffff8881b2c77cc8 EFLAGS: 00010246 RAX: ffff8881c1a6a6c0 RBX: 0000000000000fe0 RCX: ffffffff83a64d51 RDX: 0000000000000000 RSI: ffffffff83a64d67 RDI: 0000000000000007 RBP: ffff8881b2c77d98 R08: ffff8881c1a6a6c0 R09: ffff8881da980e00 R10: 000000000000001c R11: 0000000000000000 R12: 0000000000000000 R13: 8080808080808080 R14: 00000000004dbc9b R15: ffff8881cbdd0a60 getname_flags+0x113/0x590 fs/namei.c:151 getname+0x19/0x20 fs/namei.c:211 __do_sys_execve fs/exec.c:1965 [inline] __se_sys_execve fs/exec.c:1960 [inline] __x64_sys_execve+0x73/0xc0 fs/exec.c:1960 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455ee7 Code: ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 00 00 f7 d8 64 41 89 01 eb d7 0f 1f 84 00 00 00 00 00 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 3d cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe2a43bfb8 EFLAGS: 00000207 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455ee7 RDX: 00007ffe2a43c6b8 RSI: 00007ffe2a43bff0 RDI: 00000000004dbc9b RBP: 00007ffe2a43c170 R08: 0000000000000000 R09: 0000000000000031 R10: 0000000000000008 R11: 0000000000000207 R12: 00007ffe2a43c3b8 R13: 00007ffe2a43c318 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 857f5fcb8937d651 ]--- RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 Code: e8 90 fd d1 fd 0f 0b 48 89 d9 48 c7 c7 a0 d8 60 88 e8 7f fd d1 fd 0f 0b 48 89 f1 48 c7 c7 20 d9 60 88 48 89 de e8 6b fd d1 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 RSP: 0018:ffff8881daf06dd0 EFLAGS: 00010282 RAX: 0000000000000075 RBX: ffffffff89fd0da0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005 RBP: ffff8881daf06de8 R08: ffff8881c1a6a6c0 R09: ffffed103b5e5020 R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff8881d4bab8f0 R13: ffff8881d4bab680 R14: ffffffff89fd0b60 R15: ffffffff89fd0df0 FS: 000000000244d940(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004dbc9b CR3: 00000001c35dc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400