list_del corruption, ffff8880934c8040->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:45!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 25353 Comm: syz-executor.3 Not tainted 5.3.0-rc3+ #133
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45
Code: e8 e5 ed 1d fe 0f 0b 4c 89 f6 48 c7 c7 60 29 c6 87 e8 d4 ed 1d fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 a0 28 c6 87 e8 c0 ed 1d fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 00 29 c6 87 e8 ac ed 1d fe 0f 0b
RSP: 0018:ffff8880658875e8 EFLAGS: 00010282
RAX: 000000000000004e RBX: ffff8880658876c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c3ba6 RDI: ffffed100cb10eaf
RBP: ffff888065887600 R08: 000000000000004e R09: ffffed1015d260d1
R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: dead000000000122
R13: dead000000000100 R14: ffff8880934c8040 R15: ffff8880934c8040
FS:  00007f8436ab1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e23000 CR3: 000000008b859000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:131 [inline]
 skb_list_del_init include/linux/skbuff.h:1468 [inline]
 __netif_receive_skb_list_core+0x2de/0x9d0 net/core/dev.c:5081
 __netif_receive_skb_list net/core/dev.c:5149 [inline]
 netif_receive_skb_list_internal+0x7eb/0xe60 net/core/dev.c:5244
 gro_normal_list.part.0+0x1e/0xb0 net/core/dev.c:5757
 gro_normal_list net/core/dev.c:5755 [inline]
 gro_normal_one net/core/dev.c:5769 [inline]
 napi_frags_finish net/core/dev.c:5782 [inline]
 napi_gro_frags+0xa6a/0xea0 net/core/dev.c:5855
 tun_get_user+0x2e98/0x3fa0 drivers/net/tun.c:1974
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2020
 call_write_iter include/linux/fs.h:1870 [inline]
 do_iter_readv_writev+0x5f8/0x8f0 fs/read_write.c:693
 do_iter_write fs/read_write.c:970 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:951
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1015
 do_writev+0x15b/0x330 fs/read_write.c:1058
 __do_sys_writev fs/read_write.c:1131 [inline]
 __se_sys_writev fs/read_write.c:1128 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1128
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4596e1
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b9 fb ff c3 48 83 ec 08 e8 fa 2c 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 43 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f8436ab0ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000083 RCX: 00000000004596e1
RDX: 0000000000000001 RSI: 00007f8436ab0c00 RDI: 00000000000000f0
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8436ab16d4
R13: 00000000004c8783 R14: 00000000004df5a0 R15: 00000000ffffffff
Modules linked in:
---[ end trace 246d57c55523b575 ]---
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45
Code: e8 e5 ed 1d fe 0f 0b 4c 89 f6 48 c7 c7 60 29 c6 87 e8 d4 ed 1d fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 a0 28 c6 87 e8 c0 ed 1d fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 00 29 c6 87 e8 ac ed 1d fe 0f 0b
RSP: 0018:ffff8880658875e8 EFLAGS: 00010282
RAX: 000000000000004e RBX: ffff8880658876c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c3ba6 RDI: ffffed100cb10eaf
RBP: ffff888065887600 R08: 000000000000004e R09: ffffed1015d260d1
R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: dead000000000122
R13: dead000000000100 R14: ffff8880934c8040 R15: ffff8880934c8040
FS:  00007f8436ab1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e23000 CR3: 000000008b859000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400