------------[ cut here ]------------
Trying to vfree() bad address (0000000100000001)
WARNING: CPU: 1 PID: 673 at mm/vmalloc.c:2584 __vunmap+0x9f7/0xa70 mm/vmalloc.c:2583
Modules linked in:
CPU: 0 PID: 673 Comm: syz-executor.4 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__vunmap+0x9f7/0xa70 mm/vmalloc.c:2583
Code: f7 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9f 71 0b 00 e8 6a e9 c1 ff 48 c7 c7 40 f5 5b 8a 4c 89 f6 31 c0 e8 39 47 8d ff <0f> 0b e9 43 f7 ff ff e8 4d e9 c1 ff e9 26 f7 ff ff 89 d1 80 e1 07
RSP: 0018:ffffc9000aabf548 EFLAGS: 00010246
RAX: 26cbf368259ac500 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90011bbf000 RSI: 00000000000038e7 RDI: 00000000000038e8
RBP: 0000000000000000 R08: ffffffff8166b502 R09: ffffed10173a57a8
R10: ffffed10173a57a8 R11: 0000000000000000 R12: 1ffffffff1bb7d1f
R13: dffffc0000000000 R14: 0000000100000001 R15: dffffc0000000000
FS:  00007f9770a1f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000884f0000 CR4: 00000000001506f0
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+0xb4/0xa60 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+0x1cb5/0x2e60 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+0x5a2/0x900 net/socket.c:2409
 ___sys_sendmsg net/socket.c:2463 [inline]
 __sys_sendmsg+0x319/0x400 net/socket.c:2492
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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:00007f9770a1f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 0000000020f56000 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffcf674b2af R14: 00007f9770a1f300 R15: 0000000000022000