[ 25.905076][ T25] audit: type=1800 audit(1563573567.109:32): pid=6965 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: [ 44.588284][ T25] kauditd_printk_skb: 2 callbacks suppressed [ 44.588291][ T25] audit: type=1400 audit(1563573585.879:35): avc: denied { map } for pid=7138 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 '10.128.0.143' (ECDSA) to the list of known hosts. [ 62.352351][ T25] audit: type=1400 audit(1563573603.639:36): avc: denied { map } for pid=7150 comm="syz-executor938" path="/root/syz-executor938442812" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program [ 69.093126][ T7151] FAULT_INJECTION: forcing a failure. [ 69.093126][ T7151] name failslab, interval 1, probability 0, space 0, times 1 [ 69.105718][ T7151] CPU: 0 PID: 7151 Comm: syz-executor938 Not tainted 5.2.0+ #71 [ 69.113316][ T7151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.123383][ T7151] Call Trace: [ 69.126643][ T7151] dump_stack+0xaa/0xd6 [ 69.130773][ T7151] should_fail.cold+0x3c/0x49 [ 69.135424][ T7151] __should_failslab+0x65/0xa0 [ 69.140587][ T7151] should_failslab+0x9/0x14 [ 69.145145][ T7151] kmem_cache_alloc_trace+0x2d/0x2c0 [ 69.150433][ T7151] __hw_addr_create_ex+0x3f/0xe0 [ 69.155344][ T7151] __hw_addr_add_ex+0x114/0x160 [ 69.160163][ T7151] dev_addr_init+0x7c/0xc0 [ 69.164549][ T7151] alloc_netdev_mqs+0xcb/0x4a0 [ 69.169320][ T7151] ? vti6_dev_init+0xc0/0xc0 [ 69.173885][ T7151] vti6_locate+0x19e/0x2c0 [ 69.178273][ T7151] vti6_ioctl+0x17f/0x390 [ 69.182572][ T7151] ? vti6_locate+0x2c0/0x2c0 [ 69.187138][ T7151] dev_ifsioc+0x324/0x460 [ 69.191540][ T7151] dev_ioctl+0x157/0x45e [ 69.195758][ T7151] sock_ioctl+0x394/0x480 [ 69.200061][ T7151] ? dlci_ioctl_set+0x30/0x30 [ 69.204709][ T7151] do_vfs_ioctl+0x62a/0x810 [ 69.209182][ T7151] ? tomoyo_file_ioctl+0x23/0x30 [ 69.214099][ T7151] ksys_ioctl+0x86/0xb0 [ 69.218297][ T7151] __x64_sys_ioctl+0x1e/0x30 [ 69.222862][ T7151] do_syscall_64+0x76/0x1a0 [ 69.227399][ T7151] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.233814][ T7151] RIP: 0033:0x4414a9 [ 69.237804][ T7151] Code: e8 0c e9 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.257431][ T7151] RSP: 002b:00007ffd87beead8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.265863][ T7151] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414a9 [ 69.273815][ T7151] RDX: 0000000020000180 RSI: 00000000000089f1 RDI: 0000000000000003 [ 69.286287][ T7151] RBP: 00007ffd87beeaf0 R08: 0000000000000002 R09: 0000000000000000 [ 69.294225][ T7151] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.302166][ T7151] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 75.138887][ T7152] FAULT_INJECTION: forcing a failure. [ 75.138887][ T7152] name failslab, interval 1, probability 0, space 0, times 0 [ 75.151568][ T7152] CPU: 1 PID: 7152 Comm: syz-executor938 Not tainted 5.2.0+ #71 [ 75.159171][ T7152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.169193][ T7152] Call Trace: [ 75.172450][ T7152] dump_stack+0xaa/0xd6 [ 75.176570][ T7152] should_fail.cold+0x3c/0x49 [ 75.181216][ T7152] __should_failslab+0x65/0xa0 [ 75.185943][ T7152] should_failslab+0x9/0x14 [ 75.190413][ T7152] __kmalloc_track_caller+0x50/0x300 [ 75.195664][ T7152] ? kstrdup_const+0x48/0x60 [ 75.200231][ T7152] kstrdup+0x3a/0x70 [ 75.204096][ T7152] kstrdup_const+0x48/0x60 [ 75.208491][ T7152] __kernfs_new_node+0x53/0x270 [ 75.213307][ T7152] ? map_id_range_down+0xb4/0x140 [ 75.218297][ T7152] ? make_kgid+0x23/0x30 [ 75.222511][ T7152] kernfs_new_node+0x5e/0x90 [ 75.227237][ T7152] kernfs_create_dir_ns+0x52/0xb0 [ 75.232229][ T7152] sysfs_create_dir_ns+0x8a/0x110 [ 75.237218][ T7152] kobject_add_internal+0x103/0x350 [ 75.242382][ T7152] ? _raw_write_unlock_irqrestore+0x25/0x40 [ 75.248241][ T7152] kobject_add+0x9e/0xe0 [ 75.252449][ T7152] ? _raw_spin_unlock+0x1f/0x40 [ 75.257272][ T7152] ? get_device_parent.isra.0+0x108/0x240 [ 75.262957][ T7152] device_add+0x19d/0x890 [ 75.267259][ T7152] netdev_register_kobject+0xa6/0x1b0 [ 75.272597][ T7152] register_netdevice+0x397/0x600 [ 75.277600][ T7152] vti6_tnl_create2+0x47/0xb0 [ 75.282242][ T7152] vti6_locate+0x244/0x2c0 [ 75.287058][ T7152] vti6_ioctl+0x17f/0x390 [ 75.297174][ T7152] ? vti6_locate+0x2c0/0x2c0 [ 75.301730][ T7152] dev_ifsioc+0x324/0x460 [ 75.306026][ T7152] dev_ioctl+0x157/0x45e [ 75.310243][ T7152] sock_ioctl+0x394/0x480 [ 75.314538][ T7152] ? dlci_ioctl_set+0x30/0x30 [ 75.319206][ T7152] do_vfs_ioctl+0x62a/0x810 [ 75.323681][ T7152] ? tomoyo_file_ioctl+0x23/0x30 [ 75.328583][ T7152] ksys_ioctl+0x86/0xb0 [ 75.333198][ T7152] __x64_sys_ioctl+0x1e/0x30 [ 75.337761][ T7152] do_syscall_64+0x76/0x1a0 [ 75.342231][ T7152] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.348087][ T7152] RIP: 0033:0x4414a9 [ 75.351949][ T7152] Code: e8 0c e9 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.371604][ T7152] RSP: 002b:00007ffd87beead8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.379977][ T7152] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414a9 [ 75.387931][ T7152] RDX: 0000000020000180 RSI: 00000000000089f1 RDI: 0000000000000003 [ 75.395873][ T7152] RBP: 00007ffd87beeaf0 R08: 0000000000000002 R09: 0000000000000000 [ 75.403835][ T7152] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.411774][ T7152] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.419921][ T7152] kobject_add_internal failed for ip6_vti1 (error: -12 parent: net) executing program [ 81.252521][ T7153] FAULT_INJECTION: forcing a failure. [ 81.252521][ T7153] name failslab, interval 1, probability 0, space 0, times 0 [ 81.265176][ T7153] CPU: 1 PID: 7153 Comm: syz-executor938 Not tainted 5.2.0+ #71 [ 81.272779][ T7153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.282800][ T7153] Call Trace: [ 81.286064][ T7153] dump_stack+0xaa/0xd6 [ 81.291496][ T7153] should_fail.cold+0x3c/0x49 [ 81.299086][ T7153] __should_failslab+0x65/0xa0 [ 81.303828][ T7153] should_failslab+0x9/0x14 [ 81.308302][ T7153] __kmalloc_track_caller+0x50/0x300 [ 81.313554][ T7153] ? kstrdup_const+0x48/0x60 [ 81.318111][ T7153] kstrdup+0x3a/0x70 [ 81.321969][ T7153] kstrdup_const+0x48/0x60 [ 81.326354][ T7153] __kernfs_new_node+0x53/0x270 [ 81.331175][ T7153] ? map_id_range_down+0xb4/0x140 [ 81.336168][ T7153] ? make_kgid+0x23/0x30 [ 81.340383][ T7153] kernfs_new_node+0x5e/0x90 [ 81.344941][ T7153] kernfs_create_dir_ns+0x52/0xb0 [ 81.349930][ T7153] sysfs_create_dir_ns+0x8a/0x110 [ 81.354924][ T7153] kobject_add_internal+0x103/0x350 [ 81.360092][ T7153] ? _raw_write_unlock_irqrestore+0x25/0x40 [ 81.365953][ T7153] kobject_add+0x9e/0xe0 [ 81.370517][ T7153] ? _raw_spin_unlock+0x1f/0x40 [ 81.375343][ T7153] ? get_device_parent.isra.0+0x108/0x240 [ 81.381033][ T7153] device_add+0x19d/0x890 [ 81.385330][ T7153] netdev_register_kobject+0xa6/0x1b0 [ 81.390669][ T7153] register_netdevice+0x397/0x600 [ 81.395656][ T7153] vti6_tnl_create2+0x47/0xb0 [ 81.400399][ T7153] vti6_locate+0x244/0x2c0 [ 81.404784][ T7153] vti6_ioctl+0x17f/0x390 [ 81.409112][ T7153] ? vti6_locate+0x2c0/0x2c0 [ 81.413676][ T7153] dev_ifsioc+0x324/0x460 [ 81.417971][ T7153] dev_ioctl+0x157/0x45e [ 81.422180][ T7153] sock_ioctl+0x394/0x480 [ 81.426474][ T7153] ? dlci_ioctl_set+0x30/0x30 [ 81.431118][ T7153] do_vfs_ioctl+0x62a/0x810 [ 81.435597][ T7153] ? tomoyo_file_ioctl+0x23/0x30 [ 81.440519][ T7153] ksys_ioctl+0x86/0xb0 [ 81.444641][ T7153] __x64_sys_ioctl+0x1e/0x30 [ 81.449195][ T7153] do_syscall_64+0x76/0x1a0 [ 81.453664][ T7153] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.459520][ T7153] RIP: 0033:0x4414a9 [ 81.463397][ T7153] Code: e8 0c e9 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.482974][ T7153] RSP: 002b:00007ffd87beead8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.491349][ T7153] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414a9 [ 81.499292][ T7153] RDX: 0000000020000180 RSI: 00000000000089f1 RDI: 0000000000000003 [ 81.507232][ T7153] RBP: 00007ffd87beeaf0 R08: 0000000000000002 R09: 0000000000000000 [ 81.516139][ T7153] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.524075][ T7153] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 81.532293][ T7153] kobject_add_internal failed for ip6_vti1 (error: -12 parent: net) [ 87.284455][ T7150] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810cc5d860 (size 32): comm "syz-executor938", pid 7153, jiffies 4294945400 (age 8.020s) hex dump (first 32 bytes): 69 70 36 5f 76 74 69 31 00 2f 37 31 35 33 00 00 ip6_vti1./7153.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000800471f>] __kmalloc_track_caller+0x165/0x300 [<000000007a2eef8e>] kstrdup+0x3a/0x70 [<00000000a309e483>] kstrdup_const+0x48/0x60 [<00000000cf8dc39b>] kvasprintf_const+0x7e/0xe0 [<000000005a964730>] kobject_set_name_vargs+0x40/0xe0 [<00000000e2a9ccdf>] dev_set_name+0x63/0x90 [<000000007bc7b1da>] netdev_register_kobject+0x5a/0x1b0 [<00000000637b4645>] register_netdevice+0x397/0x600 [<0000000038b21fdc>] vti6_tnl_create2+0x47/0xb0 [<0000000023231475>] vti6_locate+0x244/0x2c0 [<000000006ebf0a44>] vti6_ioctl+0x17f/0x390 [<00000000077406fa>] dev_ifsioc+0x324/0x460 [<00000000465d817c>] dev_ioctl+0x157/0x45e [<00000000e2472af6>] sock_ioctl+0x394/0x480 [<0000000024234c3b>] do_vfs_ioctl+0x62a/0x810 [<0000000015b52ca4>] ksys_ioctl+0x86/0xb0