[ 24.427550][ T22] audit: type=1400 audit(1574767661.784:37): avc: denied { watch } for pid=6859 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 24.457495][ T22] audit: type=1400 audit(1574767661.784:38): avc: denied { watch } for pid=6859 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 24.666053][ T22] audit: type=1800 audit(1574767662.024:39): pid=6772 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 24.692178][ T22] audit: type=1800 audit(1574767662.024:40): pid=6772 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.868906][ T22] audit: type=1400 audit(1574767666.224:41): avc: denied { map } for pid=6951 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 '10.128.0.234' (ECDSA) to the list of known hosts. [ 48.018227][ T22] audit: type=1400 audit(1574767685.374:42): avc: denied { map } for pid=6967 comm="syz-executor003" path="/root/syz-executor003730225" dev="sda1" ino=16483 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 [ 54.861764][ T6968] FAULT_INJECTION: forcing a failure. [ 54.861764][ T6968] name failslab, interval 1, probability 0, space 0, times 1 [ 54.874508][ T6968] CPU: 0 PID: 6968 Comm: syz-executor003 Not tainted 5.4.0-syzkaller #0 [ 54.882832][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.893072][ T6968] Call Trace: [ 54.896332][ T6968] dump_stack+0xbc/0xe6 [ 54.900498][ T6968] should_fail.cold+0x3c/0x49 [ 54.905217][ T6968] __should_failslab+0x65/0xa0 [ 54.909948][ T6968] should_failslab+0x9/0x14 [ 54.914418][ T6968] kmem_cache_alloc+0x26/0x2c0 [ 54.919150][ T6968] create_object+0x3d/0x360 [ 54.923624][ T6968] kmemleak_alloc+0x21/0x30 [ 54.928111][ T6968] __kmalloc_track_caller+0x165/0x300 [ 54.933450][ T6968] ? kstrdup_const+0x48/0x60 [ 54.938532][ T6968] kstrdup+0x3a/0x70 [ 54.942402][ T6968] kstrdup_const+0x48/0x60 [ 54.946785][ T6968] __kernfs_new_node+0x53/0x270 [ 54.951600][ T6968] ? map_id_range_down+0xb4/0x140 [ 54.956598][ T6968] ? make_kgid+0x23/0x30 [ 54.960815][ T6968] kernfs_new_node+0x5e/0x90 [ 54.965390][ T6968] kernfs_create_dir_ns+0x52/0xb0 [ 54.970382][ T6968] sysfs_create_dir_ns+0x8a/0x120 [ 54.975383][ T6968] kobject_add_internal+0x103/0x350 [ 54.980546][ T6968] kobject_add+0x9e/0xe0 [ 54.984755][ T6968] ? _raw_spin_unlock+0x1f/0x40 [ 54.990107][ T6968] ? get_device_parent.isra.0+0x108/0x240 [ 54.995805][ T6968] device_add+0x19d/0x890 [ 55.000117][ T6968] netdev_register_kobject+0xa6/0x1b0 [ 55.005462][ T6968] register_netdevice+0x397/0x610 [ 55.010459][ T6968] ? alloc_netdev_mqs+0x3da/0x4b0 [ 55.015627][ T6968] slcan_open+0x288/0x330 [ 55.019923][ T6968] ? slcan_hangup+0x20/0x20 [ 55.024396][ T6968] tty_ldisc_open.isra.0+0x40/0x70 [ 55.029473][ T6968] tty_set_ldisc+0x149/0x240 [ 55.034034][ T6968] tty_ioctl+0x366/0xa30 [ 55.038255][ T6968] ? tty_vhangup+0x30/0x30 [ 55.042638][ T6968] do_vfs_ioctl+0x62a/0x810 [ 55.047121][ T6968] ? tomoyo_file_ioctl+0x23/0x30 [ 55.052033][ T6968] ksys_ioctl+0x86/0xb0 [ 55.056154][ T6968] __x64_sys_ioctl+0x1e/0x30 [ 55.060723][ T6968] do_syscall_64+0x73/0x1f0 [ 55.065205][ T6968] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.071074][ T6968] RIP: 0033:0x441489 [ 55.075027][ T6968] 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 [ 55.094599][ T6968] RSP: 002b:00007ffed0cfeee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.102974][ T6968] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441489 [ 55.110912][ T6968] RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003 [ 55.118868][ T6968] RBP: 00007ffed0cfef00 R08: 0000000000000002 R09: 0000000000000000 [ 55.126893][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.134842][ T6968] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 61.141528][ T6980] FAULT_INJECTION: forcing a failure. [ 61.141528][ T6980] name failslab, interval 1, probability 0, space 0, times 0 [ 61.154671][ T6980] CPU: 0 PID: 6980 Comm: syz-executor003 Not tainted 5.4.0-syzkaller #0 [ 61.163059][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.173096][ T6980] Call Trace: [ 61.176512][ T6980] dump_stack+0xbc/0xe6 [ 61.181191][ T6980] should_fail.cold+0x3c/0x49 [ 61.185858][ T6980] __should_failslab+0x65/0xa0 [ 61.190912][ T6980] should_failslab+0x9/0x14 [ 61.195659][ T6980] kmem_cache_alloc+0x26/0x2c0 [ 61.200402][ T6980] create_object+0x3d/0x360 [ 61.205031][ T6980] kmemleak_alloc+0x21/0x30 [ 61.209652][ T6980] kmem_cache_alloc+0x13f/0x2c0 [ 61.214680][ T6980] __kernfs_new_node+0x75/0x270 [ 61.219634][ T6980] ? kernfs_next_descendant_post+0xf8/0x110 [ 61.225603][ T6980] ? kernfs_activate+0xa2/0xb0 [ 61.230468][ T6980] ? kernfs_add_one+0x75/0x1a0 [ 61.235297][ T6980] kernfs_new_node+0x5e/0x90 [ 61.239996][ T6980] kernfs_create_link+0x5e/0xe0 [ 61.244825][ T6980] sysfs_do_create_link_sd.isra.0+0x6c/0xf0 [ 61.250735][ T6980] sysfs_create_link+0x49/0x80 [ 61.255479][ T6980] device_add+0x2d6/0x890 [ 61.259807][ T6980] netdev_register_kobject+0xa6/0x1b0 [ 61.265414][ T6980] register_netdevice+0x397/0x610 [ 61.270437][ T6980] ? alloc_netdev_mqs+0x3da/0x4b0 [ 61.276171][ T6980] slcan_open+0x288/0x330 [ 61.280604][ T6980] ? slcan_hangup+0x20/0x20 [ 61.285093][ T6980] tty_ldisc_open.isra.0+0x40/0x70 [ 61.290423][ T6980] tty_set_ldisc+0x149/0x240 [ 61.295014][ T6980] tty_ioctl+0x366/0xa30 [ 61.299636][ T6980] ? tty_vhangup+0x30/0x30 [ 61.304041][ T6980] do_vfs_ioctl+0x62a/0x810 [ 61.308772][ T6980] ? tomoyo_file_ioctl+0x23/0x30 [ 61.313775][ T6980] ksys_ioctl+0x86/0xb0 [ 61.318191][ T6980] __x64_sys_ioctl+0x1e/0x30 [ 61.322766][ T6980] do_syscall_64+0x73/0x1f0 [ 61.328586][ T6980] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.334636][ T6980] RIP: 0033:0x441489 [ 61.338601][ T6980] 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 [ 61.358461][ T6980] RSP: 002b:00007ffed0cfeee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.367869][ T6980] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441489 [ 61.376135][ T6980] RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003 [ 61.384268][ T6980] RBP: 00007ffed0cfef00 R08: 0000000000000002 R09: 0000000000000000 [ 61.392404][ T6980] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 61.400532][ T6980] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 67.396591][ T6992] FAULT_INJECTION: forcing a failure. [ 67.396591][ T6992] name failslab, interval 1, probability 0, space 0, times 0 [ 67.409309][ T6992] CPU: 0 PID: 6992 Comm: syz-executor003 Not tainted 5.4.0-syzkaller #0 [ 67.417611][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.427678][ T6992] Call Trace: [ 67.430976][ T6992] dump_stack+0xbc/0xe6 [ 67.435101][ T6992] should_fail.cold+0x3c/0x49 [ 67.439940][ T6992] __should_failslab+0x65/0xa0 [ 67.444670][ T6992] should_failslab+0x9/0x14 [ 67.449145][ T6992] kmem_cache_alloc+0x26/0x2c0 [ 67.453880][ T6992] ? make_kgid+0x23/0x30 [ 67.458089][ T6992] __kernfs_new_node+0x75/0x270 [ 67.462905][ T6992] ? kernfs_next_descendant_post+0xf8/0x110 [ 67.468765][ T6992] ? kernfs_activate+0xa2/0xb0 [ 67.473503][ T6992] ? kernfs_add_one+0x75/0x1a0 [ 67.478235][ T6992] kernfs_new_node+0x5e/0x90 [ 67.482795][ T6992] kernfs_create_link+0x5e/0xe0 [ 67.487616][ T6992] sysfs_do_create_link_sd.isra.0+0x6c/0xf0 [ 67.493476][ T6992] sysfs_create_link+0x49/0x80 [ 67.498210][ T6992] device_add+0x2d6/0x890 [ 67.502517][ T6992] netdev_register_kobject+0xa6/0x1b0 [ 67.507863][ T6992] register_netdevice+0x397/0x610 [ 67.512961][ T6992] ? alloc_netdev_mqs+0x3da/0x4b0 [ 67.517963][ T6992] slcan_open+0x288/0x330 [ 67.522271][ T6992] ? slcan_hangup+0x20/0x20 [ 67.526831][ T6992] tty_ldisc_open.isra.0+0x40/0x70 [ 67.531908][ T6992] tty_set_ldisc+0x149/0x240 [ 67.536465][ T6992] tty_ioctl+0x366/0xa30 [ 67.540686][ T6992] ? tty_vhangup+0x30/0x30 [ 67.545080][ T6992] do_vfs_ioctl+0x62a/0x810 [ 67.549552][ T6992] ? tomoyo_file_ioctl+0x23/0x30 [ 67.554454][ T6992] ksys_ioctl+0x86/0xb0 [ 67.558576][ T6992] __x64_sys_ioctl+0x1e/0x30 [ 67.563136][ T6992] do_syscall_64+0x73/0x1f0 [ 67.567606][ T6992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.573462][ T6992] RIP: 0033:0x441489 [ 67.577374][ T6992] 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 [ 67.596954][ T6992] RSP: 002b:00007ffed0cfeee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 67.605329][ T6992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441489 [ 67.613266][ T6992] RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003 [ 67.621230][ T6992] RBP: 00007ffed0cfef00 R08: 0000000000000002 R09: 0000000000000000 [ 67.629170][ T6992] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.637377][ T6992] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 73.558838][ T6997] FAULT_INJECTION: forcing a failure. [ 73.558838][ T6997] name failslab, interval 1, probability 0, space 0, times 0 [ 73.571437][ T6997] CPU: 0 PID: 6997 Comm: syz-executor003 Not tainted 5.4.0-syzkaller #0 [ 73.579868][ T6997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.589891][ T6997] Call Trace: [ 73.593189][ T6997] dump_stack+0xbc/0xe6 [ 73.597315][ T6997] should_fail.cold+0x3c/0x49 [ 73.604004][ T6997] __should_failslab+0x65/0xa0 [ 73.608749][ T6997] should_failslab+0x9/0x14 [ 73.613218][ T6997] __kmalloc_track_caller+0x50/0x300 [ 73.618480][ T6997] ? selinux_kernfs_init_security+0x1f6/0x280 [ 73.624513][ T6997] ? kstrdup_const+0x48/0x60 [ 73.629070][ T6997] kstrdup+0x3a/0x70 [ 73.632938][ T6997] kstrdup_const+0x48/0x60 [ 73.637323][ T6997] __kernfs_new_node+0x53/0x270 [ 73.642228][ T6997] ? kernfs_activate+0xa2/0xb0 [ 73.647056][ T6997] ? kernfs_add_one+0x75/0x1a0 [ 73.651790][ T6997] kernfs_new_node+0x5e/0x90 [ 73.656360][ T6997] kernfs_create_link+0x5e/0xe0 [ 73.661180][ T6997] sysfs_do_create_link_sd.isra.0+0x6c/0xf0 [ 73.667039][ T6997] sysfs_create_link+0x49/0x80 [ 73.671771][ T6997] device_add+0x35a/0x890 [ 73.676077][ T6997] netdev_register_kobject+0xa6/0x1b0 [ 73.681416][ T6997] register_netdevice+0x397/0x610 [ 73.686405][ T6997] ? alloc_netdev_mqs+0x3da/0x4b0 [ 73.691405][ T6997] slcan_open+0x288/0x330 [ 73.695700][ T6997] ? slcan_hangup+0x20/0x20 [ 73.700169][ T6997] tty_ldisc_open.isra.0+0x40/0x70 [ 73.705597][ T6997] tty_set_ldisc+0x149/0x240 [ 73.710152][ T6997] tty_ioctl+0x366/0xa30 [ 73.714360][ T6997] ? tty_vhangup+0x30/0x30 [ 73.718802][ T6997] do_vfs_ioctl+0x62a/0x810 [ 73.723325][ T6997] ? tomoyo_file_ioctl+0x23/0x30 [ 73.728233][ T6997] ksys_ioctl+0x86/0xb0 [ 73.732403][ T6997] __x64_sys_ioctl+0x1e/0x30 [ 73.736964][ T6997] do_syscall_64+0x73/0x1f0 [ 73.741438][ T6997] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.747306][ T6997] RIP: 0033:0x441489 [ 73.751181][ T6997] 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 [ 73.770761][ T6997] RSP: 002b:00007ffed0cfeee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.779135][ T6997] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441489 [ 73.787076][ T6997] RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003 [ 73.795024][ T6997] RBP: 00007ffed0cfef00 R08: 0000000000000002 R09: 0000000000000000 [ 73.802965][ T6997] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.810901][ T6997] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 79.627037][ T6967] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811846a900 (size 32): comm "syz-executor003", pid 6992, jiffies 4294944014 (age 14.270s) hex dump (first 32 bytes): 73 6c 63 61 6e 30 00 ff 80 27 74 04 00 ea ff ff slcan0...'t..... 80 09 a2 04 00 ea ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009ac57945>] __kmalloc_track_caller+0x165/0x300 [<00000000eef6edb1>] kstrdup+0x3a/0x70 [<000000000c37326c>] kstrdup_const+0x48/0x60 [<000000003287690a>] kvasprintf_const+0x7e/0xe0 [<00000000a7c07980>] kobject_set_name_vargs+0x40/0xe0 [<00000000608d477f>] dev_set_name+0x63/0x90 [<0000000069c61e0b>] netdev_register_kobject+0x5a/0x1b0 [<00000000288c1626>] register_netdevice+0x397/0x610 [<0000000070eddc0e>] slcan_open+0x288/0x330 [<000000008081ce1b>] tty_ldisc_open.isra.0+0x40/0x70 [<000000009653bb9a>] tty_set_ldisc+0x149/0x240 [<0000000077036e67>] tty_ioctl+0x366/0xa30 [<000000003aa92949>] do_vfs_ioctl+0x62a/0x810 [<0000000015ecd5c5>] ksys_ioctl+0x86/0xb0 [<000000006d5f7040>] __x64_sys_ioctl+0x1e/0x30 [<0000000081d95a0d>] do_syscall_64+0x73/0x1f0 BUG: memory leak unreferenced object 0xffff8881187fda00 (size 32): comm "syz-executor003", pid 6997, jiffies 4294944630 (age 8.110s) hex dump (first 32 bytes): 73 6c 63 61 6e 30 00 ff 40 ba 67 04 00 ea ff ff slcan0..@.g..... c0 95 87 04 00 ea ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009ac57945>] __kmalloc_track_caller+0x165/0x300 [<00000000eef6edb1>] kstrdup+0x3a/0x70 [<000000000c37326c>] kstrdup_const+0x48/0x60 [<000000003287690a>] kvasprintf_const+0x7e/0xe0 [<00000000a7c07980>] kobject_set_name_vargs+0x40/0xe0 [<00000000608d477f>] dev_set_name+0x63/0x90 [<0000000069c61e0b>] netdev_register_kobject+0x5a/0x1b0 [<00000000288c1626>] register_netdevice+0x397/0x610 [<0000000070eddc0e>] slcan_open+0x288/0x330 [<000000008081ce1b>] tty_ldisc_open.isra.0+0x40/0x70 [<000000009653bb9a>] tty_set_ldisc+0x149/0x240 [<0000000077036e67>] tty_ioctl+0x366/0xa30 [<000000003aa92949>] do_vfs_ioctl+0x62a/0x810 [<0000000015ecd5c5>] ksys_ioctl+0x86/0xb0 [<000000006d5f7040>] __x64_sys_ioctl+0x1e/0x30 [<0000000081d95a0d>] do_syscall_64+0x73/0x1f0