FAT-fs (loop4): Unrecognized mount option "c-¡cknormal" or missing value skbuff: skb_over_panic: text:000000003c2581f0 len:264 put:72 head:000000009a99c634 data:000000009a99c634 tail:0x108 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:105! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 4111 Comm: syz-executor.3 Not tainted 4.9.202+ #0 task: 00000000d6b0808c task.stack: 00000000ca6f8723 RIP: 0010:[] [<00000000b9a4a76f>] skb_panic+0x176/0x178 net/core/skbuff.c:105 RSP: 0018:ffff8801c7e5eea0 EFLAGS: 00010282 RAX: 0000000000000087 RBX: ffff8801c5f9f280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8122c837 RDI: ffffed0038fcbdc6 RBP: ffff8801c7e5ef08 R08: 0000000000000087 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff82c75800 R13: ffffffff827faeb3 R14: 0000000000000048 R15: ffffffff82c753e0 FS: 00007fc8210c4700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002046a000 CR3: 00000001caec7000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801c71f4f00 0000000000000108 00000000000000c0 ffffffff82c753e0 ffffed0038e3e9ee ffff8801c71f4f00 0000000000000108 00000000000000c0 0000000000000108 ffff8801c5f9f280 0000000000000048 ffffffff827faeb3 Call Trace: [<00000000c3548bbe>] skb_over_panic net/core/skbuff.c:110 [inline] [<00000000c3548bbe>] skb_put.cold+0x23/0x23 net/core/skbuff.c:1443 [<000000003c2581f0>] dump_ah_combs net/key/af_key.c:2986 [inline] [<000000003c2581f0>] pfkey_send_acquire+0x1b13/0x23f0 net/key/af_key.c:3252 [<0000000067666b6b>] km_query+0xba/0x1d0 net/xfrm/xfrm_state.c:1807 [<00000000d677e440>] xfrm_state_find+0x18b3/0x2910 net/xfrm/xfrm_state.c:879 [<00000000fb806005>] xfrm_tmpl_resolve_one+0x1c7/0x7a0 net/xfrm/xfrm_policy.c:1500 [<000000007753c067>] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:1544 [inline] [<000000007753c067>] xfrm_resolve_and_create_bundle+0x210/0x1e80 net/xfrm/xfrm_policy.c:1896 [<000000004ea64603>] xfrm_lookup+0x200/0xaf0 net/xfrm/xfrm_policy.c:2257 [<000000006a215bae>] xfrm_lookup_route+0x38/0x140 net/xfrm/xfrm_policy.c:2382 [<000000001060ed0b>] ip6_dst_lookup_flow+0x17e/0x210 net/ipv6/ip6_output.c:1098 [<00000000110a0077>] rawv6_sendmsg+0x980/0x29e0 net/ipv6/raw.c:924 [<00000000732e7c51>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:766 [<00000000da4556f2>] sock_sendmsg_nosec net/socket.c:649 [inline] [<00000000da4556f2>] sock_sendmsg+0xbe/0x110 net/socket.c:659 [<000000000c03cec3>] ___sys_sendmsg+0x387/0x8b0 net/socket.c:1983 [<00000000fa4a7592>] __sys_sendmmsg+0x164/0x3d0 net/socket.c:2073 [<00000000f79e0110>] SYSC_sendmmsg net/socket.c:2104 [inline] [<00000000f79e0110>] SyS_sendmmsg+0x35/0x60 net/socket.c:2099 [<000000005ec72a8f>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000b82a23b0>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: e0 12 d0 fe 4c 8b 4d b8 8b 4b 78 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 20 54 c7 82 ff 75 c8 ff 75 c0 e8 fe db c0 fe <0f> 0b e8 02 52 b2 fe 4c 8b 65 08 e8 29 fa cf fe 48 c7 c1 c0 57 RIP [<00000000b9a4a76f>] skb_panic+0x176/0x178 net/core/skbuff.c:101 RSP ---[ end trace 2345be225d6a8458 ]---