hid-generic 0000:0000:0000.0001: hidraw0: HID v0.00 Device [syz1] on %¨z5 BTRFS info (device loop0): turning on flush-on-commit ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:104! BTRFS info (device loop0): unrecognized mount option 'flush¢‚cormit' invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 12581 Comm: syz-executor.1 Not tainted 4.19.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x172/0x174 syzkaller/managers/linux-4-19/kernel/net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 15 23 e2 ff <0f> 0b e8 8f e6 53 f9 4c 8b 64 24 18 e8 65 84 89 f9 48 c7 c1 00 dd RSP: 0018:ffff888049c2efa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff8880a0d628c0 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814de0d1 RDI: ffffed1009385de7 RBP: ffffffff894bdd40 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208233 R13: 0000000000000048 R14: ffffffff894bd360 R15: 00000000000000c0 FS: 00007f198dcc0700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000970004 CR3: 00000000a88da000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic syzkaller/managers/linux-4-19/kernel/net/core/skbuff.c:109 [inline] skb_put.cold+0x24/0x24 syzkaller/managers/linux-4-19/kernel/net/core/skbuff.c:1711 dump_esp_combs syzkaller/managers/linux-4-19/kernel/net/key/af_key.c:3012 [inline] pfkey_send_acquire+0x1853/0x2520 syzkaller/managers/linux-4-19/kernel/net/key/af_key.c:3233 km_query+0xc5/0x210 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_state.c:2024 xfrm_state_find+0x1c6c/0x2cb0 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_state.c:1043 xfrm_tmpl_resolve_one syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:1410 [inline] xfrm_tmpl_resolve+0x2f3/0xc20 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:1455 xfrm_resolve_and_create_bundle+0xd8/0x3e0 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:1753 xfrm_lookup_with_ifid+0x243/0x1cb0 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:2076 xfrm_lookup syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:2200 [inline] xfrm_lookup_route+0x36/0x1e0 syzkaller/managers/linux-4-19/kernel/net/xfrm/xfrm_policy.c:2211 ip_route_output_flow+0x114/0x150 syzkaller/managers/linux-4-19/kernel/net/ipv4/route.c:2639 udp_sendmsg+0x19ce/0x2550 syzkaller/managers/linux-4-19/kernel/net/ipv4/udp.c:1101 inet_sendmsg+0x132/0x5a0 syzkaller/managers/linux-4-19/kernel/net/ipv4/af_inet.c:798 sock_sendmsg_nosec syzkaller/managers/linux-4-19/kernel/net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 syzkaller/managers/linux-4-19/kernel/net/socket.c:632 ___sys_sendmsg+0x3b3/0x8e0 syzkaller/managers/linux-4-19/kernel/net/socket.c:2115 __sys_sendmmsg+0x195/0x470 syzkaller/managers/linux-4-19/kernel/net/socket.c:2210 __do_sys_sendmmsg syzkaller/managers/linux-4-19/kernel/net/socket.c:2239 [inline] __se_sys_sendmmsg syzkaller/managers/linux-4-19/kernel/net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 syzkaller/managers/linux-4-19/kernel/net/socket.c:2236 do_syscall_64+0xf9/0x620 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465d99 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:00007f198dcc0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000005 RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007ffe3af3b81f R14: 00007f198dcc0300 R15: 0000000000022000 Modules linked in: ---[ end trace e35362f4997b11cb ]--- BTRFS error (device loop0): open_ctree failed RIP: 0010:skb_panic+0x172/0x174 syzkaller/managers/linux-4-19/kernel/net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 15 23 e2 ff <0f> 0b e8 8f e6 53 f9 4c 8b 64 24 18 e8 65 84 89 f9 48 c7 c1 00 dd RSP: 0018:ffff888049c2efa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff8880a0d628c0 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814de0d1 RDI: ffffed1009385de7 RBP: ffffffff894bdd40 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208233 R13: 0000000000000048 R14: ffffffff894bd360 R15: 00000000000000c0 FS: 00007f198dcc0700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e424cad1d8 CR3: 00000000a88da000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600