WARNING: CPU: 0 PID: 12785 at mm/vmalloc.c:2589 __vunmap+0x150/0xb70 mm/vmalloc.c:2589
Modules linked in:
CPU: 0 PID: 12785 Comm: syz-executor.2 Not tainted 5.14.0-rc3-next-20210729-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__vunmap+0x150/0xb70 mm/vmalloc.c:2589
Code: 85 78 ff ff ff e8 10 46 c5 ff 48 c7 c7 60 93 a9 8b e8 c4 6f 7f 07 e8 ff 45 c5 ff 4c 89 e6 48 c7 c7 20 d7 96 89 e8 37 2f 3a 07 <0f> 0b 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f e9 db 45 c5 ff e8
RSP: 0018:ffffc90003db7480 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815d8928 RDI: fffff520007b6e82
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d26ce R11: 0000000000000000 R12: ffffc90003e09000
R13: ffff88801efbcde0 R14: ffffc90003e09000 R15: ffffe8ffffc8e6b8
FS:  00007ff7a5741700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e6d884718 CR3: 000000007281c000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __vfree+0x3c/0xd0 mm/vmalloc.c:2657
 vfree+0x5a/0x90 mm/vmalloc.c:2688
 ipcomp_free_scratches+0xc4/0x160 net/xfrm/xfrm_ipcomp.c:203
 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:312 [inline]
 ipcomp_init_state+0x77c/0xa40 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:2648
 xfrm_init_state+0x1a/0x70 net/xfrm/xfrm_state.c:2675
 pfkey_msg2xfrm_state net/key/af_key.c:1287 [inline]
 pfkey_add+0x1a64/0x2cd0 net/key/af_key.c:1504
 pfkey_process+0x685/0x7e0 net/key/af_key.c:2837
 pfkey_sendmsg+0x43a/0x820 net/key/af_key.c:3676
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:723
 ____sys_sendmsg+0x331/0x810 net/socket.c:2402
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2456
 __sys_sendmmsg+0x195/0x470 net/socket.c:2542
 __do_sys_sendmmsg net/socket.c:2571 [inline]
 __se_sys_sendmmsg net/socket.c:2568 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2568
 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: 0033:0x4665e9
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:00007ff7a5741188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0400000000000282 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffddf5df37f R14: 00007ff7a5741300 R15: 0000000000022000