[....] 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: [ 28.338627][ T22] kauditd_printk_skb: 20 callbacks suppressed [ 28.338633][ T22] audit: type=1400 audit(1571564330.112:41): avc: denied { map } for pid=6860 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 '10.128.15.198' (ECDSA) to the list of known hosts. [ 46.373287][ T22] audit: type=1400 audit(1571564348.152:42): avc: denied { map } for pid=6876 comm="syz-executor757" path="/root/syz-executor757667312" 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 [ 70.340038][ T6876] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118154800 (size 256): comm "syz-executor757", pid 6877, jiffies 4294942583 (age 20.360s) 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: [<000000008a5abe32>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000c6d11e71>] gfs2_init_fs_context+0x25/0x90 [<00000000d6ce37e5>] gfs2_meta_init_fs_context+0x17/0x40 [<0000000081186920>] alloc_fs_context+0x174/0x200 [<0000000005c19be5>] fs_context_for_mount+0x25/0x30 [<00000000896e25f4>] __x64_sys_fsopen+0xa9/0x1a0 [<00000000980cd135>] do_syscall_64+0x73/0x1f0 [<0000000048b33667>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118154700 (size 256): comm "syz-executor757", pid 6878, jiffies 4294943161 (age 14.580s) 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: [<000000008a5abe32>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000c6d11e71>] gfs2_init_fs_context+0x25/0x90 [<00000000d6ce37e5>] gfs2_meta_init_fs_context+0x17/0x40 [<0000000081186920>] alloc_fs_context+0x174/0x200 [<0000000005c19be5>] fs_context_for_mount+0x25/0x30 [<00000000896e25f4>] __x64_sys_fsopen+0xa9/0x1a0 [<00000000980cd135>] do_syscall_64+0x73/0x1f0 [<0000000048b33667>] entry_SYSCALL_64_after_hwframe+0x44/0xa9