[ 39.115345][ T26] audit: type=1800 audit(1554915611.908:32): pid=7637 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 55.966687][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 55.966701][ T26] audit: type=1400 audit(1554915628.848:35): avc: denied { map } for pid=7815 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. [ 71.662500][ T26] audit: type=1400 audit(1554915644.538:36): avc: denied { map } for pid=7827 comm="syz-executor027" path="/root/syz-executor027499979" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 71.699232][ T7828] IPVS: ftp: loaded support on port[0] = 21 [ 71.756744][ T7828] chnl_net:caif_netlink_parms(): no params data found [ 71.785488][ T7828] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.794777][ T7828] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.803232][ T7828] device bridge_slave_0 entered promiscuous mode [ 71.811661][ T7828] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.819017][ T7828] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.826827][ T7828] device bridge_slave_1 entered promiscuous mode [ 71.843831][ T7828] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.854461][ T7828] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.872531][ T7828] team0: Port device team_slave_0 added [ 71.879697][ T7828] team0: Port device team_slave_1 added [ 71.948051][ T7828] device hsr_slave_0 entered promiscuous mode [ 72.006398][ T7828] device hsr_slave_1 entered promiscuous mode [ 72.063879][ T7828] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.071777][ T7828] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.080121][ T7828] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.087463][ T7828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.121456][ T7828] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.133701][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.155156][ T2995] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.170665][ T2995] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.179509][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.190795][ T7828] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.202465][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.211439][ T3480] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.218966][ T3480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.237500][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.252868][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.264961][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.273561][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.282642][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.291955][ T7830] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.301770][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 72.314020][ T7828] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.327309][ T7828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.335379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.353488][ T7828] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.364810][ T7828] kasan: CONFIG_KASAN_INLINE enabled [ 72.370970][ T7828] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 72.379314][ T7828] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 72.386242][ T7828] CPU: 1 PID: 7828 Comm: syz-executor027 Not tainted 5.1.0-rc4+ #62 [ 72.394651][ T7828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.404816][ T7828] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 72.410787][ T7828] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 21 73 51 fb e8 ac c6 [ 72.430747][ T7828] RSP: 0018:ffff88808dd47108 EFLAGS: 00010246 [ 72.436884][ T7828] RAX: dffffc0000000000 RBX: ffff8880872188c0 RCX: ffffffff860cc733 [ 72.445058][ T7828] RDX: 0000000000000000 RSI: ffffffff860cc770 RDI: ffff8880a0ee3908 [ 72.453288][ T7828] RBP: ffff88808dd47130 R08: ffff88808d4b4540 R09: ffffed1015d25bc8 [ 72.461407][ T7828] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 72.469452][ T7828] R13: 0000000000000035 R14: ffff8880872188d0 R15: ffffffffffffffff [ 72.477680][ T7828] FS: 0000000001b5d880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 72.486708][ T7828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.493504][ T7828] CR2: 0000000020000000 CR3: 000000007fb33000 CR4: 00000000001406e0 [ 72.501547][ T7828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.509881][ T7828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.517960][ T7828] Call Trace: [ 72.521403][ T7828] __xfrm_policy_check+0x1f8/0x2730 [ 72.526678][ T7828] ? find_held_lock+0x35/0x130 [ 72.531535][ T7828] ? vti6_tnl_lookup+0x287/0x1020 [ 72.536597][ T7828] ? __xfrm_route_forward+0x840/0x840 [ 72.542095][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.548722][ T7828] ? vti6_tnl_lookup+0x69a/0x1020 [ 72.553820][ T7828] ? vti6_init_net+0x820/0x820 [ 72.558701][ T7828] vti6_rcv+0x51a/0x970 [ 72.562846][ T7828] xfrm6_esp_rcv+0xd8/0x230 [ 72.567338][ T7828] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 72.573156][ T7828] ? lock_acquire+0x16f/0x3f0 [ 72.578050][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.584816][ T7828] ? rcu_dynticks_curr_cpu_in_eqs+0x10/0xb0 [ 72.590706][ T7828] ip6_input_finish+0x84/0x170 [ 72.595577][ T7828] ip6_input+0xe4/0x3f0 [ 72.599726][ T7828] ? ip6_input_finish+0x170/0x170 [ 72.604748][ T7828] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 72.610927][ T7828] ip6_rcv_finish+0x1e7/0x320 [ 72.615927][ T7828] ipv6_rcv+0x10e/0x420 [ 72.620126][ T7828] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 72.625683][ T7828] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 72.631573][ T7828] ? mark_held_locks+0xf0/0xf0 [ 72.636469][ T7828] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 72.642041][ T7828] __netif_receive_skb_one_core+0x115/0x1a0 [ 72.647930][ T7828] ? __netif_receive_skb_core+0x3040/0x3040 [ 72.654047][ T7828] ? lock_acquire+0x16f/0x3f0 [ 72.658825][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.665267][ T7828] __netif_receive_skb+0x2c/0x1c0 [ 72.670429][ T7828] netif_receive_skb_internal+0x117/0x660 [ 72.676144][ T7828] ? dev_cpu_dead+0x920/0x920 [ 72.680953][ T7828] ? eth_gro_receive+0x890/0x890 [ 72.686284][ T7828] napi_gro_frags+0xade/0xd10 [ 72.690952][ T7828] tun_get_user+0x2f24/0x3fb0 [ 72.696155][ T7828] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 72.701826][ T7828] ? tun_get+0x171/0x290 [ 72.706065][ T7828] ? lock_downgrade+0x880/0x880 [ 72.710904][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.717223][ T7828] ? kasan_check_read+0x11/0x20 [ 72.722056][ T7828] tun_chr_write_iter+0xbd/0x156 [ 72.727009][ T7828] do_iter_readv_writev+0x5e1/0x8e0 [ 72.732355][ T7828] ? vfs_dedupe_file_range+0x780/0x780 [ 72.738104][ T7828] ? rw_verify_area+0x118/0x360 [ 72.743122][ T7828] do_iter_write+0x184/0x610 [ 72.747859][ T7828] ? dup_iter+0x260/0x260 [ 72.752350][ T7828] vfs_writev+0x1b3/0x2f0 [ 72.756810][ T7828] ? vfs_iter_write+0xb0/0xb0 [ 72.761568][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.767984][ T7828] ? __handle_mm_fault+0x7cd/0x3ec0 [ 72.773495][ T7828] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 72.779033][ T7828] ? find_held_lock+0x35/0x130 [ 72.783836][ T7828] ? __do_page_fault+0x623/0xda0 [ 72.788765][ T7828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.795117][ T7828] ? __fget_light+0x1a9/0x230 [ 72.800046][ T7828] do_writev+0x15e/0x370 [ 72.804439][ T7828] ? vfs_writev+0x2f0/0x2f0 [ 72.809072][ T7828] ? do_syscall_64+0x26/0x610 [ 72.813731][ T7828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.819890][ T7828] ? do_syscall_64+0x26/0x610 [ 72.824564][ T7828] __x64_sys_writev+0x75/0xb0 [ 72.829388][ T7828] do_syscall_64+0x103/0x610 [ 72.834066][ T7828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.840058][ T7828] RIP: 0033:0x442060 [ 72.843940][ T7828] Code: 05 48 3d 01 f0 ff ff 0f 83 3d 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d b1 8f 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 14 0f fc ff c3 48 83 ec 08 e8 7a 2b 00 00 [ 72.863679][ T7828] RSP: 002b:00007ffdeef0e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 72.872316][ T7828] RAX: ffffffffffffffda RBX: 00007ffdeef0e640 RCX: 0000000000442060 [ 72.880502][ T7828] RDX: 0000000000000001 RSI: 00007ffdeef0e640 RDI: 00000000000000f0 [ 72.888583][ T7828] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.896675][ T7828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdeef0e610 [ 72.904636][ T7828] R13: 0000000000403490 R14: 0000000000000000 R15: 0000000000000000 [ 72.912760][ T7828] Modules linked in: [ 72.916724][ T7828] ---[ end trace 94285bc4cc8b203e ]--- [ 72.922585][ T7828] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 72.928889][ T7828] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 21 73 51 fb e8 ac c6 [ 72.948763][ T7828] RSP: 0018:ffff88808dd47108 EFLAGS: 00010246 [ 72.954945][ T7828] RAX: dffffc0000000000 RBX: ffff8880872188c0 RCX: ffffffff860cc733 [ 72.963047][ T7828] RDX: 0000000000000000 RSI: ffffffff860cc770 RDI: ffff8880a0ee3908 [ 72.971063][ T7828] RBP: ffff88808dd47130 R08: ffff88808d4b4540 R09: ffffed1015d25bc8 [ 72.979257][ T7828] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 72.987347][ T7828] R13: 0000000000000035 R14: ffff8880872188d0 R15: ffffffffffffffff [ 72.995445][ T7828] FS: 0000000001b5d880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.004544][ T7828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.011292][ T7828] CR2: 0000000020000000 CR3: 000000007fb33000 CR4: 00000000001406e0 [ 73.019540][ T7828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.027551][ T7828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.035624][ T7828] Kernel panic - not syncing: Fatal exception in interrupt [ 73.044418][ T7828] Kernel Offset: disabled [ 73.048754][ T7828] Rebooting in 86400 seconds..