[....] 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: [ 35.597836][ T24] kauditd_printk_skb: 43 callbacks suppressed [ 35.597842][ T24] audit: type=1400 audit(1569664481.165:64): avc: denied { map } for pid=6763 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 '10.128.0.180' (ECDSA) to the list of known hosts. [ 83.831234][ T24] audit: type=1400 audit(1569664529.395:65): avc: denied { map } for pid=6776 comm="syz-executor354" path="/root/syz-executor354896504" dev="sda1" ino=16498 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 [ 90.442533][ T6786] FS-Cache: Duplicate cookie detected [ 90.447979][ T6786] FS-Cache: O-cookie c=00000000b9d4652d [p=0000000072aa307f fl=222 nc=0 na=1] [ 90.451819][ T6792] FS-Cache: Duplicate cookie detected [ 90.456817][ T6786] FS-Cache: O-cookie d=00000000c480de0c n=0000000076c84570 [ 90.462171][ T6792] FS-Cache: O-cookie c=0000000046472236 [p=0000000072aa307f fl=222 nc=0 na=1] [ 90.469345][ T6786] FS-Cache: O-key=[10] '34323934393436333134' [ 90.478160][ T6792] FS-Cache: O-cookie d=00000000c480de0c n=00000000b57f2b99 executing program executing program executing program [ 90.478164][ T6792] FS-Cache: O-key=[10] '34323934393436333135' [ 90.484199][ T6786] FS-Cache: N-cookie c=000000009a992284 [p=0000000072aa307f fl=2 nc=0 na=1] [ 90.491370][ T6792] FS-Cache: N-cookie c=000000004aa9b8a0 [p=0000000072aa307f fl=2 nc=0 na=1] [ 90.497398][ T6786] FS-Cache: N-cookie d=00000000c480de0c n=0000000014c451bb [ 90.497402][ T6786] FS-Cache: N-key=[10] '34323934393436333134' [ 90.506040][ T6792] FS-Cache: N-cookie d=00000000c480de0c n=0000000015557e5e [ 90.521424][ T6789] FS-Cache: Duplicate cookie detected [ 90.521892][ T6792] FS-Cache: N-key=[10] '34323934393436333135' [ 90.527949][ T6789] FS-Cache: O-cookie c=0000000025c6e156 [p=0000000072aa307f fl=222 nc=0 na=1] [ 90.539109][ T6787] FS-Cache: Duplicate cookie detected [ 90.540465][ T6789] FS-Cache: O-cookie d=00000000c480de0c n=000000007d293cba [ 90.546504][ T6787] FS-Cache: O-cookie c=00000000b9d4652d [p=0000000072aa307f fl=222 nc=0 na=1] [ 90.546509][ T6787] FS-Cache: O-cookie d=00000000c480de0c n=0000000076c84570 [ 90.555319][ T6789] FS-Cache: O-key=[10] '34323934393436333232' [ 90.560667][ T6787] FS-Cache: O-key=[10] '34323934393436333134' [ 90.567834][ T6789] FS-Cache: N-cookie c=000000007dcdc6f4 [p=0000000072aa307f fl=2 nc=0 na=1] [ 90.567839][ T6789] FS-Cache: N-cookie d=00000000c480de0c n=00000000ac409fd6 [ 90.576672][ T6787] FS-Cache: N-cookie c=000000007b1d9698 [p=0000000072aa307f fl=2 nc=0 na=1] [ 90.583832][ T6789] FS-Cache: N-key=[10] '34323934393436333232' [ 90.589877][ T6787] FS-Cache: N-cookie d=00000000c480de0c n=00000000f8ea5735 [ 90.633629][ T6787] FS-Cache: N-key=[10] '34323934393436333134' [ 96.979497][ T6784] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811e3751e0 (size 32): comm "syz-executor354", pid 6786, jiffies 4294946314 (age 14.210s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 34 00 44 00 74 00 00 4294946314.D.t.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811aa9eae0 (size 32): comm "syz-executor354", pid 6787, jiffies 4294946314 (age 14.210s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 34 00 00 00 00 00 00 4294946314...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811bbeb500 (size 32): comm "syz-executor354", pid 6792, jiffies 4294946315 (age 14.200s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 35 00 00 00 00 00 00 4294946315...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119f6d060 (size 32): comm "syz-executor354", pid 6789, jiffies 4294946322 (age 14.130s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 32 32 00 00 00 00 00 00 4294946322...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e3751e0 (size 32): comm "syz-executor354", pid 6786, jiffies 4294946314 (age 15.820s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 34 00 44 00 74 00 00 4294946314.D.t.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811aa9eae0 (size 32): comm "syz-executor354", pid 6787, jiffies 4294946314 (age 15.820s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 34 00 00 00 00 00 00 4294946314...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811bbeb500 (size 32): comm "syz-executor354", pid 6792, jiffies 4294946315 (age 15.810s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 31 35 00 00 00 00 00 00 4294946315...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119f6d060 (size 32): comm "syz-executor354", pid 6789, jiffies 4294946322 (age 15.740s) hex dump (first 32 bytes): 34 32 39 34 39 34 36 33 32 32 00 00 00 00 00 00 4294946322...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000845f84a2>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000d3ab775c>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001f7a83b3>] v9fs_session_init+0x5c3/0x880 [<00000000a8546ea0>] v9fs_mount+0x5e/0x3c0 [<000000005dc83b2b>] legacy_get_tree+0x27/0x80 [<000000005a060837>] vfs_get_tree+0x2d/0xe0 [<000000008cff927c>] do_mount+0x95f/0xc60 [<00000000669c4c2b>] ksys_mount+0xab/0x120 [<00000000d3a100f1>] __x64_sys_mount+0x26/0x30 [<00000000024f0a62>] do_syscall_64+0x73/0x1f0 [<000000008f966d21>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program