WARNING: CPU: 1 PID: 3784 at mm/vmalloc.c:2643 __vunmap+0x154/0xe10 mm/vmalloc.c:2643
Modules linked in:
CPU: 1 PID: 3784 Comm: syz-executor.2 Not tainted 5.18.0-rc3-next-20220420-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__vunmap+0x154/0xe10 mm/vmalloc.c:2643
Code: 85 75 ff ff ff e8 dc e4 bf ff 48 c7 c7 20 2c eb 8b e8 80 b6 b6 07 e8 cb e4 bf ff 48 89 ee 48 c7 c7 a0 53 d8 89 e8 35 f9 6e 07 <0f> 0b 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f e9 a7 e4 bf ff e8
RSP: 0018:ffffc9000490f2c8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801f9a0000 RSI: ffffffff81608bd8 RDI: fffff52000921e4b
RBP: ffffc900048c1000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff816035ae R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801bce3e40 R14: ffffc900048f8000 R15: ffffe8ffffc83360
FS:  00007f238ee76700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e83485d38 CR3: 000000001db67000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vfree+0x3c/0xd0 mm/vmalloc.c:2712
 vfree+0x5a/0x90 mm/vmalloc.c:2743
 ipcomp_free_scratches+0xc4/0x160 net/xfrm/xfrm_ipcomp.c:203
 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:312 [inline]
 ipcomp_init_state+0x74a/0xa60 net/xfrm/xfrm_ipcomp.c:364
 ipcomp6_init_state+0xc2/0x700 net/ipv6/ipcomp6.c:154
 __xfrm_init_state+0x995/0x15c0 net/xfrm/xfrm_state.c:2667
 xfrm_state_construct net/xfrm/xfrm_user.c:636 [inline]
 xfrm_add_sa+0x1f57/0x3670 net/xfrm/xfrm_user.c:693
 xfrm_user_rcv_msg+0x437/0xa30 net/xfrm/xfrm_user.c:2923
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2945
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e2/0x800 net/socket.c:2445
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2499
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2528
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f238dc890e9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f238ee76168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f238dd9bf60 RCX: 00007f238dc890e9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007f238dce308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdec881baf R14: 00007f238ee76300 R15: 0000000000022000
 </TASK>