[ 75.116605][ T26] audit: type=1800 audit(1566958377.627:30): pid=10417 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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: [ 80.333603][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 80.333617][ T26] audit: type=1400 audit(1566958382.877:35): avc: denied { map } for pid=10593 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 '10.128.0.106' (ECDSA) to the list of known hosts. [ 86.577909][ T26] audit: type=1400 audit(1566958389.117:36): avc: denied { map } for pid=10605 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/08/28 02:13:10 parsed 1 programs [ 87.691122][ T26] audit: type=1400 audit(1566958390.237:37): avc: denied { map } for pid=10605 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16384 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/28 02:13:12 executed programs: 0 [ 89.594653][T10621] IPVS: ftp: loaded support on port[0] = 21 [ 89.644295][T10621] chnl_net:caif_netlink_parms(): no params data found [ 89.667631][T10621] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.674794][T10621] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.682417][T10621] device bridge_slave_0 entered promiscuous mode [ 89.689601][T10621] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.697183][T10621] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.704828][T10621] device bridge_slave_1 entered promiscuous mode [ 89.718520][T10621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.729363][T10621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.745967][T10621] team0: Port device team_slave_0 added [ 89.753674][T10621] team0: Port device team_slave_1 added [ 89.801726][T10621] device hsr_slave_0 entered promiscuous mode [ 89.860230][T10621] device hsr_slave_1 entered promiscuous mode [ 89.935556][T10621] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.943348][T10621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.951090][T10621] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.958127][T10621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.983581][T10621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.995835][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.014723][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.022543][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.031183][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 90.041525][T10621] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.050934][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.059524][ T3014] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.066793][ T3014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.086606][T10621] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 90.097365][T10621] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.109085][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.117615][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.124816][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.133232][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.142146][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.150595][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.158744][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.167394][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.175609][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.190330][T10621] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.220195][ T26] audit: type=1400 audit(1566958392.767:38): avc: denied { associate } for pid=10621 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 90.266924][ T26] audit: type=1400 audit(1566958392.807:39): avc: denied { map_create } for pid=10629 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 90.291102][ T26] audit: type=1400 audit(1566958392.807:40): avc: denied { map_read map_write } for pid=10629 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 90.316986][ T26] audit: type=1400 audit(1566958392.807:41): avc: denied { create } for pid=10629 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 90.342589][ T26] audit: type=1400 audit(1566958392.807:42): avc: denied { write } for pid=10629 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 90.367872][ T26] audit: type=1400 audit(1566958392.807:43): avc: denied { read } for pid=10629 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 93.391224][T11186] kasan: CONFIG_KASAN_INLINE enabled [ 93.397607][T11186] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 93.408423][T11186] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 93.415545][T11186] CPU: 0 PID: 11186 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #121 [ 93.423938][T11186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.433997][T11186] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 93.439699][T11186] Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 [ 93.459732][T11186] RSP: 0018:ffff8880a80cfb90 EFLAGS: 00010203 [ 93.465790][T11186] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 93.473857][T11186] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88809cff4340 [ 93.481932][T11186] RBP: ffff8880a80cfc48 R08: ffff8880a88f03c0 R09: ffffed10139fe822 [ 93.489898][T11186] R10: ffffed10139fe821 R11: ffff88809cff410b R12: ffff88809cff4080 [ 93.498289][T11186] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 93.506253][T11186] FS: 0000555556f0b940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.515595][T11186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.522177][T11186] CR2: 0000000000b85bf0 CR3: 00000000a9662000 CR4: 00000000001406f0 [ 93.530565][T11186] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.538732][T11186] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.547040][T11186] Call Trace: [ 93.550465][T11186] ? trace_hardirqs_on+0x67/0x240 [ 93.555576][T11186] ? wait_on_pending_writer+0x420/0x420 [ 93.561284][T11186] ? __local_bh_enable_ip+0x15a/0x270 [ 93.566737][T11186] ? _raw_spin_unlock_bh+0x31/0x40 [ 93.572245][T11186] tls_sk_proto_close+0x35b/0x990 [ 93.577439][T11186] ? wait_on_pending_writer+0x420/0x420 [ 93.583322][T11186] ? wait_on_pending_writer+0x420/0x420 [ 93.588890][T11186] ? __local_bh_enable_ip+0x15a/0x270 [ 93.594995][T11186] ? _raw_spin_unlock_bh+0x31/0x40 [ 93.600806][T11186] ? wait_on_pending_writer+0x420/0x420 [ 93.607178][T11186] tcp_bpf_close+0x17c/0x390 [ 93.612935][T11186] inet_release+0xed/0x200 [ 93.617832][T11186] inet6_release+0x53/0x80 [ 93.622253][T11186] __sock_release+0xce/0x280 [ 93.626831][T11186] sock_close+0x1e/0x30 [ 93.631093][T11186] __fput+0x2ff/0x890 [ 93.635063][T11186] ? __sock_release+0x280/0x280 [ 93.640118][T11186] ____fput+0x16/0x20 [ 93.644201][T11186] task_work_run+0x145/0x1c0 [ 93.648878][T11186] exit_to_usermode_loop+0x316/0x380 [ 93.655310][T11186] do_syscall_64+0x5a9/0x6a0 [ 93.660842][T11186] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.666991][T11186] RIP: 0033:0x413561 [ 93.671590][T11186] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 93.694952][T11186] RSP: 002b:00007ffd77f8dd00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 93.703737][T11186] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 93.711968][T11186] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 93.719978][T11186] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 93.728056][T11186] R10: 00007ffd77f8dde0 R11: 0000000000000293 R12: 000000000075c070 [ 93.736496][T11186] R13: 0000000000016cab R14: 00000000007612a8 R15: ffffffffffffffff [ 93.745235][T11186] Modules linked in: [ 93.750355][T11186] ---[ end trace 13391f57f63e1c2c ]--- [ 93.756245][T11186] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 93.762428][T11186] Code: 0f 85 3f 08 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 2e 06 00 00 [ 93.782808][T11186] RSP: 0018:ffff8880a80cfb90 EFLAGS: 00010203 [ 93.789558][T11186] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 93.799760][T11186] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88809cff4340 [ 93.808031][T11186] RBP: ffff8880a80cfc48 R08: ffff8880a88f03c0 R09: ffffed10139fe822 [ 93.816036][T11186] R10: ffffed10139fe821 R11: ffff88809cff410b R12: ffff88809cff4080 [ 93.824183][T11186] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 93.832278][T11186] FS: 0000555556f0b940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.841375][T11186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.848238][T11186] CR2: 0000000000b85bf0 CR3: 00000000a9662000 CR4: 00000000001406f0 [ 93.856906][T11186] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.865001][T11186] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.873246][T11186] Kernel panic - not syncing: Fatal exception [ 93.881724][T11186] Kernel Offset: disabled [ 93.893890][T11186] Rebooting in 86400 seconds..