smc: adding net device syzkaller1 with user defined pnetid SYZ2
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BUG: KFENCE: use-after-free read in __xfrm_state_lookup+0x319/0x8d0

Use-after-free read at 0xffff888136544d42 (in kfence-#161):
 __xfrm_state_lookup+0x319/0x8d0
 xfrm_input_state_lookup+0x6e9/0xa60
 esp6_gro_receive+0x543/0xfe0
 xfrm6_gro_udp_encap_rcv+0x4bd/0x8e0
 udp_gro_receive+0x254b/0x25e0
 ipv6_gro_receive+0x1200/0x1640
 dev_gro_receive+0x183f/0x23b0
 napi_gro_frags+0x5e6/0x1030
 tun_get_user+0x28cb/0x3e20
 tun_chr_write_iter+0x113/0x200
 vfs_write+0x54b/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

kfence-#161: 0xffff888136544000-0xffff8881365442bf, size=704, cache=skbuff_small_head

allocated by task 19429 on cpu 1 at 264.423431s (6.427621s ago):
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x142/0x2d0
 napi_alloc_skb+0x84/0x7d0
 e1000_clean_rx_irq+0x448/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 common_interrupt+0xbb/0xe0
 asm_common_interrupt+0x26/0x40
 __mark_chain_precision+0x718/0x7160
 do_check+0x9276/0xe520
 do_check_common+0x1918/0x2470
 bpf_check+0x1746a/0x1d2d0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

freed by task 19429 on cpu 1 at 264.423999s (6.472187s ago):
 skb_release_data+0x62d/0x7c0
 __kfree_skb+0x55/0x70
 tcp_rcv_established+0xe9e/0x1eb0
 tcp_v4_do_rcv+0xa23/0xce0
 tcp_v4_rcv+0x26a6/0x2f40
 ip_protocol_deliver_rcu+0x221/0x440
 ip_local_deliver_finish+0x3bb/0x6f0
 NF_HOOK+0x30c/0x3a0
 ip_sublist_rcv_finish+0x221/0x2a0
 ip_sublist_rcv+0x6e7/0x9b0
 ip_list_rcv+0x3e2/0x430
 __netif_receive_skb_list_core+0x7d2/0x800
 netif_receive_skb_list_internal+0x975/0xcc0
 gro_receive_skb+0x642/0xce0
 e1000_clean_rx_irq+0x980/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 common_interrupt+0xbb/0xe0
 asm_common_interrupt+0x26/0x40
 __mark_chain_precision+0x718/0x7160
 do_check+0x9276/0xe520
 do_check_common+0x1918/0x2470
 bpf_check+0x1746a/0x1d2d0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 19859 Comm: syz.0.6068 Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__xfrm_state_lookup+0x319/0x8d0
Code: 30 48 89 4c 24 38 48 c1 e9 03 48 89 4c 24 50 4c 8d b3 42 01 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 7c 03 00 00 <45> 0f b7 36 44 89 f7 44 89 ee e8 18 e2 a8 f7 66 45 39 ee 0f 85 2f
RSP: 0018:ffffc900030ff240 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888136544c00 RCX: 1ffff1100608d8ed
RDX: ffff888123ef0000 RSI: 000000000000000a RDI: 000000000000000a
RBP: ffffc900030ff330 R08: dffffc0000000000 R09: 0000000000000002
R10: 000000000000000a R11: 0000000000000002 R12: dffffc0000000000
R13: 000000000000000a R14: ffff888136544d42 R15: 0000000000000004
FS:  00007f797bd516c0(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888136544d42 CR3: 00000000288bc000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 xfrm_input_state_lookup+0x6e9/0xa60
 esp6_gro_receive+0x543/0xfe0
 xfrm6_gro_udp_encap_rcv+0x4bd/0x8e0
 udp_gro_receive+0x254b/0x25e0
 ipv6_gro_receive+0x1200/0x1640
 dev_gro_receive+0x183f/0x23b0
 napi_gro_frags+0x5e6/0x1030
 tun_get_user+0x28cb/0x3e20
 tun_chr_write_iter+0x113/0x200
 vfs_write+0x54b/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f797af8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f797bd51038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f797b1b5fa0 RCX: 00007f797af8ebe9
RDX: 0000000000000052 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007f797b011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f797b1b6038 R14: 00007f797b1b5fa0 R15: 00007ffca686a038
 </TASK>
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