[....] 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: [ 29.152699][ T24] kauditd_printk_skb: 43 callbacks suppressed [ 29.152706][ T24] audit: type=1400 audit(1570117191.067:64): avc: denied { map } for pid=6876 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 '10.128.0.86' (ECDSA) to the list of known hosts. [ 65.123088][ T24] audit: type=1400 audit(1570117227.037:65): avc: denied { map } for pid=6891 comm="syz-executor412" path="/root/syz-executor412059221" 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 [ 72.423631][ T6894] FS-Cache: Duplicate cookie detected [ 72.429122][ T6894] FS-Cache: O-cookie c=0000000074d6d653 [p=000000003b78697c fl=222 nc=0 na=1] [ 72.429909][ T6904] FS-Cache: Duplicate cookie detected [ 72.437993][ T6894] FS-Cache: O-cookie d=0000000067d21033 n=000000001c443b4a [ 72.437995][ T6894] FS-Cache: O-key=[10] '34323934393434353130' [ 72.438010][ T6894] FS-Cache: N-cookie c=00000000fdcfaefe [p=000000003b78697c fl=2 nc=0 na=1] [ 72.443365][ T6904] FS-Cache: O-cookie c=000000008b0795d7 [p=000000003b78697c fl=222 nc=0 na=1] [ 72.450532][ T6894] FS-Cache: N-cookie d=0000000067d21033 n=00000000837ed331 [ 72.450533][ T6894] FS-Cache: N-key=[10] '34323934393434353130' [ 72.456684][ T6904] FS-Cache: O-cookie d=0000000067d21033 n=0000000099c5cc60 [ 72.475314][ T6907] FS-Cache: Duplicate cookie detected [ 72.481358][ T6904] FS-Cache: O-key=[10] '34323934393434353131' [ 72.487412][ T6907] FS-Cache: O-cookie c=0000000042744871 [p=000000003b78697c fl=222 nc=0 na=1] [ 72.487415][ T6907] FS-Cache: O-cookie d=0000000067d21033 n=0000000091833a25 [ 72.487419][ T6907] FS-Cache: O-key=[10] '34323934393434353135' [ 72.494591][ T6904] FS-Cache: N-cookie c=0000000098566e0f [p=000000003b78697c fl=2 nc=0 na=1] [ 72.499931][ T6907] FS-Cache: N-cookie c=000000008e76e363 [p=000000003b78697c fl=2 nc=0 na=1] [ 72.499935][ T6907] FS-Cache: N-cookie d=0000000067d21033 n=000000006c571296 [ 72.505971][ T6904] FS-Cache: N-cookie d=0000000067d21033 n=0000000020677c3e [ 72.514785][ T6907] FS-Cache: N-key=[10] '34323934393434353135' [ 72.521971][ T6904] FS-Cache: N-key=[10] '34323934393434353131' [ 79.164344][ T6893] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888116671800 (size 32): comm "syz-executor412", pid 6894, jiffies 4294944510 (age 20.250s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 30 00 21 81 88 ff ff 4294944510.!.... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115286240 (size 32): comm "syz-executor412", pid 6904, jiffies 4294944511 (age 20.240s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 31 00 00 00 00 00 00 4294944511...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881151d49e0 (size 32): comm "syz-executor412", pid 6907, jiffies 4294944515 (age 20.200s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 35 00 72 74 75 61 6c 4294944515.rtual 2f 62 64 69 2f 39 70 2d 34 00 00 00 00 00 00 00 /bdi/9p-4....... backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888116671800 (size 32): comm "syz-executor412", pid 6894, jiffies 4294944510 (age 22.530s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 30 00 21 81 88 ff ff 4294944510.!.... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115286240 (size 32): comm "syz-executor412", pid 6904, jiffies 4294944511 (age 22.520s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 31 00 00 00 00 00 00 4294944511...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881151d49e0 (size 32): comm "syz-executor412", pid 6907, jiffies 4294944515 (age 22.480s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 35 00 72 74 75 61 6c 4294944515.rtual 2f 62 64 69 2f 39 70 2d 34 00 00 00 00 00 00 00 /bdi/9p-4....... backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888116671800 (size 32): comm "syz-executor412", pid 6894, jiffies 4294944510 (age 25.850s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 30 00 21 81 88 ff ff 4294944510.!.... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115286240 (size 32): comm "syz-executor412", pid 6904, jiffies 4294944511 (age 25.840s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 31 00 00 00 00 00 00 4294944511...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881151d49e0 (size 32): comm "syz-executor412", pid 6907, jiffies 4294944515 (age 25.800s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 35 00 72 74 75 61 6c 4294944515.rtual 2f 62 64 69 2f 39 70 2d 34 00 00 00 00 00 00 00 /bdi/9p-4....... backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888116671800 (size 32): comm "syz-executor412", pid 6894, jiffies 4294944510 (age 27.020s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 30 00 21 81 88 ff ff 4294944510.!.... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115286240 (size 32): comm "syz-executor412", pid 6904, jiffies 4294944511 (age 27.010s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 31 00 00 00 00 00 00 4294944511...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881151d49e0 (size 32): comm "syz-executor412", pid 6907, jiffies 4294944515 (age 26.970s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 35 00 72 74 75 61 6c 4294944515.rtual 2f 62 64 69 2f 39 70 2d 34 00 00 00 00 00 00 00 /bdi/9p-4....... backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888116671800 (size 32): comm "syz-executor412", pid 6894, jiffies 4294944510 (age 28.150s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 30 00 21 81 88 ff ff 4294944510.!.... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115286240 (size 32): comm "syz-executor412", pid 6904, jiffies 4294944511 (age 28.140s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 31 00 00 00 00 00 00 4294944511...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881151d49e0 (size 32): comm "syz-executor412", pid 6907, jiffies 4294944515 (age 28.100s) hex dump (first 32 bytes): 34 32 39 34 39 34 34 35 31 35 00 72 74 75 61 6c 4294944515.rtual 2f 62 64 69 2f 39 70 2d 34 00 00 00 00 00 00 00 /bdi/9p-4....... backtrace: [<00000000b6b5ce72>] kmem_cache_alloc_trace+0x145/0x2c0 [<000000006e809674>] v9fs_cache_session_get_cookie+0xa6/0x110 [<000000001bacaaf2>] v9fs_session_init+0x5c3/0x880 [<0000000041102e5c>] v9fs_mount+0x5e/0x3c0 [<00000000958a1e73>] legacy_get_tree+0x27/0x80 [<000000003e0b4454>] vfs_get_tree+0x2d/0xe0 [<0000000071271af4>] do_mount+0x95f/0xc60 [<0000000029d7db70>] ksys_mount+0xab/0x120 [<0000000082f8b474>] __x64_sys_mount+0x26/0x30 [<00000000ac6199a2>] do_syscall_64+0x73/0x1f0 [<0000000049faf234>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program