[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 25.677922][ T25] kauditd_printk_skb: 37 callbacks suppressed [ 25.677928][ T25] audit: type=1400 audit(1569234391.435:54): avc: denied { map } for pid=6721 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 '10.128.0.53' (ECDSA) to the list of known hosts. [ 69.531502][ T25] audit: type=1400 audit(1569234435.295:55): avc: denied { map } for pid=6737 comm="syz-executor139" path="/root/syz-executor139807307" 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 executing program executing program executing program executing program executing program executing program executing program executing program [ 76.323480][ T6767] debugfs: Directory 'ptm1' with parent 'caif_serial' already present! [ 76.334048][ T6765] debugfs: Directory 'ptm0' with parent 'caif_serial' already present! [ 76.497272][ T6791] caif:cfcnfg_add_phy_layer(): Too many CAIF Link Layers (max 6) [ 83.051147][ T6745] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 18.460s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 18.530s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 19.430s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 19.480s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 20.410s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124dc8d00 (size 128): comm "syz-executor139", pid 6791, jiffies 4294944919 (age 21.310s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009afa6376>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000083c76cb3>] cfserl_create+0x24/0x76 [<00000000f4290947>] caif_device_notify+0x347/0x3bc [<000000005b5be7cc>] notifier_call_chain+0x66/0xb0 [<0000000080706250>] raw_notifier_call_chain+0x2e/0x40 [<0000000083b56d88>] call_netdevice_notifiers_info+0x33/0x70 [<00000000ea0c0dbf>] register_netdevice+0x445/0x610 [<00000000c9ce3927>] ldisc_open+0x1de/0x330 [<00000000b9b32ded>] tty_ldisc_open.isra.0+0x44/0x70 [<000000008ea32485>] tty_set_ldisc+0x149/0x240 [<00000000745f8dd6>] tty_ioctl+0x366/0xa30 [<0000000072cc71b0>] do_vfs_ioctl+0x62a/0x810 [<000000000137f2bf>] ksys_ioctl+0x86/0xb0 [<000000006bcd43fd>] __x64_sys_ioctl+0x1e/0x30 [<00000000c809fb07>] do_syscall_64+0x73/0x1f0 [<0000000047b7b217>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program