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Trying to vfree() nonexistent vm area (ffffc90006f19000)
WARNING: CPU: 1 PID: 9141 at mm/vmalloc.c:2602 __vunmap+0x13f/0xa70 mm/vmalloc.c:2601
Modules linked in:
CPU: 1 PID: 9141 Comm: syz-executor.1 Not tainted 5.15.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__vunmap+0x13f/0xa70 mm/vmalloc.c:2601
Code: 2b e8 95 e4 c0 ff eb 05 e8 8e e4 c0 ff 48 c7 c7 80 c7 9d 8c e8 a2 60 3a 08 48 c7 c7 00 11 5c 8a 4c 89 f6 31 c0 e8 e1 f8 8a ff <0f> 0b 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 80 c7
RSP: 0018:ffffc90005917548 EFLAGS: 00010246
RAX: bbce805648e7c700 RBX: ffffc90006f60000 RCX: 0000000000040000
RDX: ffffc9000ae4a000 RSI: 000000000000567c RDI: 000000000000567d
RBP: 0000000000000000 R08: ffffffff81695fe2 R09: ffffed10173a57a8
R10: ffffed10173a57a8 R11: 0000000000000000 R12: 1ffffffff1bb803f
R13: dffffc0000000000 R14: ffffc90006f19000 R15: ffff88801d9f9180
FS:  00007fb85839e700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcea552dc18 CR3: 000000007f60b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ipcomp_free_scratches net/xfrm/xfrm_ipcomp.c:203 [inline]
 ipcomp_free_data+0x13f/0x1f0 net/xfrm/xfrm_ipcomp.c:312
 ipcomp_init_state+0x825/0x910 net/xfrm/xfrm_ipcomp.c:364
 ipcomp4_init_state+0xb7/0x920 net/ipv4/ipcomp.c:135
 __xfrm_init_state+0x8b5/0xba0 net/xfrm/xfrm_state.c:2648
 xfrm_init_state+0x19/0x70 net/xfrm/xfrm_state.c:2675
 pfkey_msg2xfrm_state net/key/af_key.c:1287 [inline]
 pfkey_add+0x1cc1/0x2e60 net/key/af_key.c:1504
 pfkey_process net/key/af_key.c:2837 [inline]
 pfkey_sendmsg+0xb2a/0xfb0 net/key/af_key.c:3676
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x5b9/0x910 net/socket.c:2409
 ___sys_sendmsg net/socket.c:2463 [inline]
 __sys_sendmsg+0x36f/0x450 net/socket.c:2492
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb85ae49a39
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb85839e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb85af4d020 RCX: 00007fb85ae49a39
RDX: 0000000000000000 RSI: 0000000020f56000 RDI: 0000000000000004
RBP: 00007fb85aea3e8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd39763baf R14: 00007fb85839e300 R15: 0000000000022000