wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ------------[ cut here ]------------ Trying to vfree() bad address (00000000fc1d7ad2) WARNING: CPU: 1 PID: 8068 at mm/vmalloc.c:1509 __vunmap+0x3a5/0x470 mm/vmalloc.c:1509 netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8068 Comm: syz-executor.3 Not tainted 4.19.152-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+0x22c/0x33e lib/dump_stack.c:118 panic+0x2ac/0x565 kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1e1/0x330 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__vunmap+0x3a5/0x470 mm/vmalloc.c:1509 Code: b0 ce ff 4c 89 e6 48 c7 c7 00 25 14 88 e8 a9 5c 9f ff 0f 0b eb ac e8 da b0 ce ff 4c 89 e6 48 c7 c7 a0 24 14 88 e8 91 5c 9f ff <0f> 0b eb 94 4c 89 ff e8 cf ff 07 00 e9 34 ff ff ff 48 8b 7c 24 08 RSP: 0018:ffff8880495773b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 00000000000144f5 RSI: ffffffff815b62af RDI: ffffed10092aee69 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: fffffbfff16758ae R14: 0000607f51aa5e00 R15: ffffe8ffffda5e00 vfree+0x65/0x110 mm/vmalloc.c:1598 ipcomp_free_scratches+0xe9/0x1a0 net/xfrm/xfrm_ipcomp.c:216 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:325 [inline] ipcomp_init_state+0x4b1/0xa60 net/xfrm/xfrm_ipcomp.c:377 ipcomp4_init_state+0xc2/0x7a0 net/ipv4/ipcomp.c:137 __xfrm_init_state+0x5d5/0xd90 net/xfrm/xfrm_state.c:2346 xfrm_state_construct net/xfrm/xfrm_user.c:626 [inline] xfrm_add_sa+0x1db2/0x33e4 net/xfrm/xfrm_user.c:683 xfrm_user_rcv_msg+0x43d/0x710 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+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 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+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff45f643c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e640 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffda9b3ac6f R14: 00007ff45f6449c0 R15: 000000000118bfd4 Kernel Offset: disabled Rebooting in 86400 seconds..