Trying to vfree() nonexistent vm area (ffffc900153d1000) WARNING: CPU: 0 PID: 7156 at mm/vmalloc.c:2672 __vunmap+0x154/0xd30 mm/vmalloc.c:2672 Modules linked in: CPU: 0 PID: 7156 Comm: syz-executor.3 Not tainted 6.0.0-rc6-syzkaller-01419-g7bcd9683e515 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:__vunmap+0x154/0xd30 mm/vmalloc.c:2672 Code: 85 75 ff ff ff e8 1c 5c bf ff 48 c7 c7 e0 07 0c 8c e8 d0 7c c8 07 e8 0b 5c bf ff 48 89 ee 48 c7 c7 e0 0d f9 89 e8 ee 21 80 07 <0f> 0b 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e7 5b bf ff e8 RSP: 0018:ffffc900153bf478 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88807cf99d80 RSI: ffffffff8161f3d8 RDI: fffff52002a77e81 RBP: ffffc900153d1000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888022efb480 R14: ffffc900153d1000 R15: 0000000000000000 FS: 00007ff9b4266700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00de67000 CR3: 0000000022078000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vfree+0x3c/0xd0 mm/vmalloc.c:2744 vfree+0x5a/0x90 mm/vmalloc.c:2775 ipcomp_free_scratches+0x113/0x250 net/xfrm/xfrm_ipcomp.c:203 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:312 [inline] ipcomp_init_state+0x88f/0xc20 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:2666 xfrm_init_state+0x1a/0x70 net/xfrm/xfrm_state.c:2693 pfkey_msg2xfrm_state net/key/af_key.c:1287 [inline] pfkey_add+0x1a6c/0x2ce0 net/key/af_key.c:1504 pfkey_process+0x685/0x7e0 net/key/af_key.c:2844 pfkey_sendmsg+0x448/0x840 net/key/af_key.c:3683 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x810 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmmsg+0x18b/0x460 net/socket.c:2622 __do_sys_sendmmsg net/socket.c:2651 [inline] __se_sys_sendmmsg net/socket.c:2648 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2648 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+0x63/0xcd RIP: 0033:0x7ff9b308a5a9 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:00007ff9b4266168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007ff9b31ac120 RCX: 00007ff9b308a5a9 RDX: 0000000000000393 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007ff9b30e5560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc76e34bbf R14: 00007ff9b4266300 R15: 0000000000022000