Warning: Permanently added '10.128.1.17' (ECDSA) to the list of known hosts. executing program [ 69.354522] audit: type=1400 audit(1555020875.773:36): avc: denied { map } for pid=8058 comm="syz-executor771" path="/root/syz-executor771935134" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 69.359762] netlink: 'syz-executor771': attribute type 3 has an invalid length. [ 69.380901] audit: type=1400 audit(1555020875.773:37): avc: denied { create } for pid=8058 comm="syz-executor771" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 69.400186] netlink: 'syz-executor771': attribute type 2 has an invalid length. [ 69.425378] audit: type=1400 audit(1555020875.773:38): avc: denied { write } for pid=8058 comm="syz-executor771" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 69.432879] kasan: CONFIG_KASAN_INLINE enabled [ 69.461852] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 69.469981] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 69.476219] CPU: 0 PID: 8058 Comm: syz-executor771 Not tainted 4.19.34 #2 [ 69.483128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.492625] RIP: 0010:sctp_timeout_obj_to_nlattr+0x96/0x170 [ 69.498340] Code: f3 65 48 8b 14 25 28 00 00 00 48 89 55 d0 31 d2 48 89 85 70 ff ff ff e8 b8 cd d3 fb 48 8b 8d 70 ff ff ff 48 89 d8 48 c1 e8 03 <0f> b6 14 08 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a3 [ 69.517250] RSP: 0018:ffff88808fe2f3c8 EFLAGS: 00010247 [ 69.522616] RAX: 0000000000000000 RBX: 0000000000000004 RCX: dffffc0000000000 [ 69.529934] RDX: 0000000000000000 RSI: ffffffff85976988 RDI: 1ffff11011fc5e7b [ 69.537205] RBP: ffff88808fe2f460 R08: ffff88809994c200 R09: ffff888096fa41e8 [ 69.544500] R10: ffffed1012df483c R11: ffff888096fa41e0 R12: ffffffff87e13780 [ 69.551760] R13: 0000000000000001 R14: ffff8880a16f6b80 R15: ffff88808fe2f438 [ 69.559029] FS: 00000000022a1880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.567282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.573153] CR2: 0000000020000000 CR3: 0000000092c12000 CR4: 00000000001406f0 [ 69.580406] Call Trace: [ 69.583078] ? sctp_timeout_nlattr_to_obj+0x240/0x240 [ 69.588265] ? __nla_put+0x37/0x40 [ 69.591794] ? nla_put+0x116/0x150 [ 69.595325] cttimeout_default_get+0x69a/0xa80 [ 69.599903] ? cttimeout_del_timeout+0x1a0/0x1a0 [ 69.604658] ? __lock_is_held+0xf4/0x140 [ 69.608702] ? cttimeout_del_timeout+0x1a0/0x1a0 [ 69.613440] nfnetlink_rcv_msg+0xd12/0xfe0 [ 69.617664] ? nfnetlink_bind+0x2d0/0x2d0 [ 69.621798] ? avc_has_extended_perms+0x10f0/0x10f0 [ 69.626805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.632334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.637860] ? cred_has_capability+0x193/0x320 [ 69.642425] ? selinux_ipv4_output+0x50/0x50 [ 69.646820] ? sock_sendmsg+0xdd/0x130 [ 69.650696] ? mark_held_locks+0x100/0x100 [ 69.654916] netlink_rcv_skb+0x180/0x460 [ 69.658970] ? nfnetlink_bind+0x2d0/0x2d0 [ 69.663123] ? netlink_ack+0xb60/0xb60 [ 69.667012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.672553] ? ns_capable+0x23/0x30 [ 69.676182] ? __netlink_ns_capable+0x104/0x140 [ 69.680914] nfnetlink_rcv+0x1c0/0x460 [ 69.684844] ? nfnetlink_rcv_batch+0x1770/0x1770 [ 69.689603] ? netlink_deliver_tap+0x254/0xc20 [ 69.694188] ? kasan_check_write+0x14/0x20 [ 69.698424] netlink_unicast+0x53c/0x720 [ 69.702811] ? netlink_attachskb+0x770/0x770 [ 69.707236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.712773] netlink_sendmsg+0x8ae/0xd70 [ 69.716828] ? netlink_unicast+0x720/0x720 [ 69.721070] ? selinux_socket_sendmsg+0x36/0x40 [ 69.725832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.731362] ? security_socket_sendmsg+0x93/0xc0 [ 69.736116] ? netlink_unicast+0x720/0x720 [ 69.740336] sock_sendmsg+0xdd/0x130 [ 69.744155] ___sys_sendmsg+0x806/0x930 [ 69.748121] ? copy_msghdr_from_user+0x430/0x430 [ 69.752881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.758410] ? __handle_mm_fault+0x7d3/0x3f80 [ 69.762903] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 69.767733] ? find_held_lock+0x35/0x130 [ 69.771787] ? __do_page_fault+0x676/0xe90 [ 69.776006] ? find_held_lock+0x35/0x130 [ 69.780065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.785601] ? __fget_light+0x1a9/0x230 [ 69.789565] ? __fdget+0x1b/0x20 [ 69.792929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 69.798569] __sys_sendmsg+0x105/0x1d0 [ 69.802494] ? __ia32_sys_shutdown+0x80/0x80 [ 69.806897] ? up_read+0x1a/0x110 [ 69.810340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 69.815099] ? do_syscall_64+0x26/0x610 [ 69.819073] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.824585] ? do_syscall_64+0x26/0x610 [ 69.828566] __x64_sys_sendmsg+0x78/0xb0 [ 69.832615] do_syscall_64+0x103/0x610 [ 69.836503] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.841692] RIP: 0033:0x4401e9 [ 69.845068] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.864072] RSP: 002b:00007ffe2469d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.871787] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401e9 [ 69.879054] RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000003 [ 69.886317] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 69.893586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a70 [ 69.900996] R13: 0000000000401b00 R14: 0000000000000000 R15: 0000000000000000 [ 69.908261] Modules linked in: [ 69.911834] ---[ end trace d21be1f01923f21d ]--- [ 69.916715] RIP: 0010:sctp_timeout_obj_to_nlattr+0x96/0x170 [ 69.922512] Code: f3 65 48 8b 14 25 28 00 00 00 48 89 55 d0 31 d2 48 89 85 70 ff ff ff e8 b8 cd d3 fb 48 8b 8d 70 ff ff ff 48 89 d8 48 c1 e8 03 <0f> b6 14 08 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a3 [ 69.941524] RSP: 0018:ffff88808fe2f3c8 EFLAGS: 00010247 [ 69.946927] RAX: 0000000000000000 RBX: 0000000000000004 RCX: dffffc0000000000 [ 69.954342] RDX: 0000000000000000 RSI: ffffffff85976988 RDI: 1ffff11011fc5e7b [ 69.961785] RBP: ffff88808fe2f460 R08: ffff88809994c200 R09: ffff888096fa41e8 [ 69.969108] R10: ffffed1012df483c R11: ffff888096fa41e0 R12: ffffffff87e13780 [ 69.976502] R13: 0000000000000001 R14: ffff8880a16f6b80 R15: ffff88808fe2f438 [ 69.983864] FS: 00000000022a1880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.992182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.998241] CR2: ffffffffff600400 CR3: 0000000092c12000 CR4: 00000000001406f0 [ 70.005524] Kernel panic - not syncing: Fatal exception [ 70.011608] Kernel Offset: disabled [ 70.015233] Rebooting in 86400 seconds..