loop1: p2 < > p4 loop1: p4 size 2097152 extends beyond EOD, truncated overlayfs: unrecognized mount option "obj_role=" or missing value ------------[ cut here ]------------ Trying to vfree() nonexistent vm area (0000000035f8db01) WARNING: CPU: 0 PID: 10371 at mm/vmalloc.c:1515 __vunmap+0x332/0x3f0 mm/vmalloc.c:1515 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10371 Comm: syz-executor.2 Not tainted 4.19.192-syzkaller #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+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__vunmap+0x332/0x3f0 mm/vmalloc.c:1515 Code: b0 d1 ff 4c 89 e6 48 c7 c7 80 dd 72 88 e8 a6 d0 60 06 0f 0b eb 94 e8 4d b0 d1 ff 4c 89 e6 48 c7 c7 e0 dd 72 88 e8 8e d0 60 06 <0f> 0b e9 79 ff ff ff 4c 89 ff e8 ff 74 07 00 e9 25 ff ff ff 48 8b RSP: 0018:ffff888035bff3b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 00000000000011b2 RSI: ffffffff814df6b1 RDI: ffffed1006b7fe69 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffc90013a05000 R13: fffffbfff164d7ce R14: 0000607f45c31980 R15: ffffe8ffffc31980 vfree+0x65/0x100 mm/vmalloc.c:1598 ipcomp_free_scratches+0xba/0x140 net/xfrm/xfrm_ipcomp.c:216 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:325 [inline] ipcomp_init_state+0x768/0xa00 net/xfrm/xfrm_ipcomp.c:377 ipcomp6_init_state+0xc2/0x5b0 net/ipv6/ipcomp6.c:165 __xfrm_init_state+0x555/0xd30 net/xfrm/xfrm_state.c:2347 xfrm_state_construct net/xfrm/xfrm_user.c:626 [inline] xfrm_add_sa+0x1db2/0x33f0 net/xfrm/xfrm_user.c:683 xfrm_user_rcv_msg+0x411/0x6b0 net/xfrm/xfrm_user.c:2681 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2689 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 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:00007f0f9702b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000005 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcf36cdbff R14: 00007f0f9702b300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..