R10: 0000000000000064 R11: 0000000000000293 R12: 00007f33ba2e96d4
R13: 00000000004c4890 R14: 00000000004d7b90 R15: 0000000000000005
kasan: CONFIG_KASAN_INLINE enabled
kobject: 'loop2' (0000000030c8a657): fill_kobj_path: path = '/devices/virtual/block/loop2'
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12989 Comm: syz-executor5 Not tainted 4.19.0+ #157
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:179 [inline]
RIP: 0010:net_generic include/net/netns/generic.h:45 [inline]
RIP: 0010:xfrmi_lookup.isra.18+0x11f/0x6c0 net/xfrm/xfrm_interface.c:61
Code: e7 94 cb fa 45 84 ed 0f 84 4c 04 00 00 e8 09 94 cb fa 48 8d bb 08 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 7b 05 00 00 4c 8d 6d 98 48 8b 9b 08 1b 00 00 48
kobject: 'loop3' (00000000b65ffdd1): kobject_uevent_env
RSP: 0018:ffff880196c2e878 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000800 RCX: ffffc9000bee6000
RDX: 0000000000000461 RSI: ffffffff86b3f507 RDI: 0000000000002308
RBP: ffff880196c2e998 R08: ffff88019bece240 R09: ffffed003b5c5b57
R10: ffffed003b5c5b57 R11: ffff8801dae2dabb R12: 0000000000000037
R13: 0000000000000001 R14: ffff8801c6711e28 R15: ffffea00000000d0
FS: 00007f33ba2e9700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
kobject: 'loop3' (00000000b65ffdd1): fill_kobj_path: path = '/devices/virtual/block/loop3'
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d78bd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'loop2' (0000000030c8a657): kobject_uevent_env
xfrmi_rcv_cb+0xef/0x9d0 net/xfrm/xfrm_interface.c:259
xfrm6_rcv_cb+0x220/0x400 net/ipv6/xfrm6_protocol.c:59
kobject: 'loop2' (0000000030c8a657): fill_kobj_path: path = '/devices/virtual/block/loop2'
xfrm_rcv_cb net/xfrm/xfrm_input.c:108 [inline]
xfrm_input+0x8aa/0x3190 net/xfrm/xfrm_input.c:496
kobject: 'loop4' (00000000bf4bccf9): kobject_uevent_env
kobject: 'loop4' (00000000bf4bccf9): fill_kobj_path: path = '/devices/virtual/block/loop4'
xfrm6_rcv_spi net/ipv6/xfrm6_input.c:31 [inline]
xfrm6_rcv_tnl+0x168/0x1d0 net/ipv6/xfrm6_input.c:74
xfrm6_rcv+0x17/0x20 net/ipv6/xfrm6_input.c:81
xfrm6_esp_rcv+0x1a5/0x3a0 net/ipv6/xfrm6_protocol.c:74
ip6_input_finish+0x3fc/0x1aa0 net/ipv6/ip6_input.c:384
kobject: 'loop3' (00000000b65ffdd1): kobject_uevent_env
NF_HOOK include/linux/netfilter.h:289 [inline]
ip6_input+0xe9/0x600 net/ipv6/ip6_input.c:427
ip6_mc_input+0x48a/0xd20 net/ipv6/ip6_input.c:504
dst_input include/net/dst.h:450 [inline]
ip6_rcv_finish+0x17a/0x330 net/ipv6/ip6_input.c:76
NF_HOOK include/linux/netfilter.h:289 [inline]
ipv6_rcv+0x115/0x640 net/ipv6/ip6_input.c:272
kobject: 'loop3' (00000000b65ffdd1): fill_kobj_path: path = '/devices/virtual/block/loop3'
__netif_receive_skb_one_core+0x14d/0x200 net/core/dev.c:4941
__netif_receive_skb+0x2c/0x1e0 net/core/dev.c:5051
netif_receive_skb_internal+0x12c/0x800 net/core/dev.c:5154
napi_frags_finish net/core/dev.c:5690 [inline]
napi_gro_frags+0x75a/0xc90 net/core/dev.c:5763
tun_get_user+0x3189/0x4250 drivers/net/tun.c:1948
tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1993
call_write_iter include/linux/fs.h:1808 [inline]
do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680
do_iter_write+0x185/0x5f0 fs/read_write.c:959
vfs_writev+0x1f1/0x360 fs/read_write.c:1004
do_writev+0x11a/0x310 fs/read_write.c:1039
__do_sys_writev fs/read_write.c:1112 [inline]
__se_sys_writev fs/read_write.c:1109 [inline]
__x64_sys_writev+0x75/0xb0 fs/read_write.c:1109
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457421
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b5 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f33ba2e8ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000000004a RCX: 0000000000457421
RDX: 0000000000000001 RSI: 00007f33ba2e8bf0 RDI: 00000000000000f0
RBP: 0000000020000000 R08: 00000000000000f0 R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 00007f33ba2e96d4
R13: 00000000004c4890 R14: 00000000004d7b90 R15: 0000000000000005
Modules linked in:
---[ end trace f9175819a2038c7f ]---
RIP: 0010:__read_once_size include/linux/compiler.h:179 [inline]
RIP: 0010:net_generic include/net/netns/generic.h:45 [inline]
RIP: 0010:xfrmi_lookup.isra.18+0x11f/0x6c0 net/xfrm/xfrm_interface.c:61
Code: e7 94 cb fa 45 84 ed 0f 84 4c 04 00 00 e8 09 94 cb fa 48 8d bb 08 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 7b 05 00 00 4c 8d 6d 98 48 8b 9b 08 1b 00 00 48
RSP: 0018:ffff880196c2e878 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000800 RCX: ffffc9000bee6000
RDX: 0000000000000461 RSI: ffffffff86b3f507 RDI: 0000000000002308
RBP: ffff880196c2e998 R08: ffff88019bece240 R09: ffffed003b5c5b57
R10: ffffed003b5c5b57 R11: ffff8801dae2dabb R12: 0000000000000037
R13: 0000000000000001 R14: ffff8801c6711e28 R15: ffffea00000000d0
FS: 00007f33ba2e9700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d78bd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400