------------[ cut here ]------------ Trying to vfree() nonexistent vm area (0000000018a9aff7) WARNING: CPU: 0 PID: 8590 at mm/vmalloc.c:2234 __vunmap+0x75b/0x920 mm/vmalloc.c:2234 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8590 Comm: syz-executor.4 Not tainted 5.3.0-rc8+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2dc/0x755 kernel/panic.c:219 __warn.cold+0x20/0x4c kernel/panic.c:576 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:__vunmap+0x75b/0x920 mm/vmalloc.c:2234 Code: e8 8a af 09 00 49 8d 46 20 45 8b 66 28 48 89 45 a8 e9 82 fe ff ff e8 24 a1 cf ff 4c 89 e6 48 c7 c7 80 c4 94 87 e8 ed 29 a1 ff <0f> 0b e9 70 ff ff ff e8 09 a1 cf ff 31 d2 31 f6 48 c7 c7 ff ff ff RSP: 0018:ffff8880a638f2b0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880a6796078 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815c2696 RDI: ffffed1014c71e48 RBP: ffff8880a638f310 R08: ffff88808d942380 R09: ffffed1015d060d1 R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffffc9000661c000 R13: 0000000000000000 R14: ffffe8ffffc94fb0 R15: 0000607f51494fb0 __vfree+0x41/0xd0 mm/vmalloc.c:2299 vfree+0x5f/0x90 mm/vmalloc.c:2329 ipcomp_free_scratches+0xc0/0x150 net/xfrm/xfrm_ipcomp.c:212 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:321 [inline] ipcomp_init_state+0x76d/0xa10 net/xfrm/xfrm_ipcomp.c:373 ipcomp6_init_state+0xc9/0x880 net/ipv6/ipcomp6.c:153 __xfrm_init_state+0x998/0x14d0 net/xfrm/xfrm_state.c:2493 xfrm_state_construct net/xfrm/xfrm_user.c:626 [inline] xfrm_add_sa+0x1f6c/0x351e net/xfrm/xfrm_user.c:683 xfrm_user_rcv_msg+0x459/0x770 net/xfrm/xfrm_user.c:2676 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2684 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f19e7c6fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000840 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19e7c706d4 R13: 00000000004c7812 R14: 00000000004dd0b0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..