R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000005 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18618 at net/xfrm/xfrm_policy.c:752 xfrm_policy_insert+0x679/0x11e0 net/xfrm/xfrm_policy.c:752 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 18618 Comm: syz-executor.4 Not tainted 4.14.141 #37 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:xfrm_policy_insert+0x679/0x11e0 net/xfrm/xfrm_policy.c:752 RSP: 0018:ffff88805828f560 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff88808d7f04c0 RCX: ffffc90007629000 RDX: 000000000000067c RSI: ffffffff8540ffc9 RDI: ffff88808d7f06f0 RBP: ffff88805828f5f8 R08: 0000000000003993 R09: ffffffff88c9c118 R10: ffff8880a165ee28 R11: ffff8880a165e580 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 xfrm_add_policy+0x230/0x4f0 net/xfrm/xfrm_user.c:1635 xfrm_user_rcv_msg+0x3c9/0x690 net/xfrm/xfrm_user.c:2625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2633 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop0' (ffff8880a4966160): kobject_uevent_env kobject: 'loop0' (ffff8880a4966160): fill_kobj_path: path = '/devices/virtual/block/loop0' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459879 RSP: 002b:00007f8d7ab1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d7ab206d4 R13: 00000000004c77d9 R14: 00000000004dd030 R15: 00000000ffffffff CPU: 0 PID: 18630 Comm: syz-executor.0 Not tainted 4.14.141 #37 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 ptlock_alloc+0x20/0x70 mm/memory.c:4741 ptlock_init include/linux/mm.h:1757 [inline] pgtable_page_ctor include/linux/mm.h:1791 [inline] pte_alloc_one+0x60/0x100 arch/x86/mm/pgtable.c:33 __pte_alloc+0x2a/0x2d0 mm/memory.c:656 copy_pte_range mm/memory.c:1081 [inline] copy_pmd_range mm/memory.c:1157 [inline] copy_pud_range mm/memory.c:1191 [inline] copy_p4d_range mm/memory.c:1213 [inline] copy_page_range+0x11ba/0x1bd0 mm/memory.c:1275 dup_mmap kernel/fork.c:714 [inline] dup_mm kernel/fork.c:1208 [inline] copy_mm kernel/fork.c:1263 [inline] copy_process.part.0+0x4764/0x6a00 kernel/fork.c:1780 copy_process kernel/fork.c:1595 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2085 SYSC_clone kernel/fork.c:2195 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2189 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459879 RSP: 002b:00007f5d58de2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f5d58de2c90 RCX: 0000000000459879 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000029000400 RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d58de36d4 R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000005 Kernel Offset: disabled Rebooting in 86400 seconds..