[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 42.305653][ T22] kauditd_printk_skb: 38 callbacks suppressed [ 42.305660][ T22] audit: type=1400 audit(1569023298.331:55): avc: denied { map } for pid=6939 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 '10.128.1.50' (ECDSA) to the list of known hosts. [ 106.997240][ T22] audit: type=1400 audit(1569023363.021:56): avc: denied { map } for pid=6951 comm="syz-executor678" path="/root/syz-executor678652430" dev="sda1" ino=16471 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 [ 113.606280][ T6954] FS-Cache: Duplicate cookie detected [ 113.611726][ T6954] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.620564][ T6954] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.627731][ T6954] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.637253][ T6954] FS-Cache: N-cookie c=000000003e5851f8 [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.645902][ T6954] FS-Cache: N-cookie d=00000000ad713eee n=000000009b2d2a50 [ 113.653069][ T6954] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.662619][ T6968] FS-Cache: Duplicate cookie detected [ 113.668023][ T6968] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.676840][ T6968] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.684031][ T6968] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.693570][ T6968] FS-Cache: N-cookie c=0000000058652f76 [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.702229][ T6968] FS-Cache: N-cookie d=00000000ad713eee n=00000000805fe5e5 [ 113.709414][ T6968] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.719060][ T6967] FS-Cache: Duplicate cookie detected [ 113.724431][ T6967] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.733273][ T6967] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.740439][ T6967] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.749968][ T6967] FS-Cache: N-cookie c=000000001c07c185 [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.758608][ T6967] FS-Cache: N-cookie d=00000000ad713eee n=000000006e295b6c [ 113.765775][ T6967] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.775302][ T6963] FS-Cache: Duplicate cookie detected [ 113.780689][ T6963] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.789524][ T6963] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.796697][ T6963] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.806255][ T6963] FS-Cache: N-cookie c=0000000063c7a62b [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.814908][ T6963] FS-Cache: N-cookie d=00000000ad713eee n=00000000bba14b63 [ 113.822097][ T6963] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.831637][ T6966] FS-Cache: Duplicate cookie detected [ 113.837005][ T6966] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.845835][ T6966] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.853009][ T6966] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.862569][ T6966] FS-Cache: N-cookie c=00000000bdc6413d [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.871213][ T6966] FS-Cache: N-cookie d=00000000ad713eee n=00000000611a25c7 [ 113.878379][ T6966] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.887938][ T6962] FS-Cache: Duplicate cookie detected [ 113.893321][ T6962] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.902169][ T6962] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.909343][ T6962] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.918883][ T6962] FS-Cache: N-cookie c=00000000992eace0 [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.927521][ T6962] FS-Cache: N-cookie d=00000000ad713eee n=00000000c154999f [ 113.934786][ T6962] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.944325][ T6964] FS-Cache: Duplicate cookie detected [ 113.949728][ T6964] FS-Cache: O-cookie c=000000005f3b2eee [p=0000000059bd719b fl=222 nc=0 na=1] [ 113.958597][ T6964] FS-Cache: O-cookie d=00000000ad713eee n=0000000077c9d5d0 [ 113.965785][ T6964] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 113.975324][ T6964] FS-Cache: N-cookie c=00000000f00987fb [p=0000000059bd719b fl=2 nc=0 na=1] [ 113.983989][ T6964] FS-Cache: N-cookie d=00000000ad713eee n=0000000002cfb764 [ 113.991158][ T6964] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 119.591058][ T6956] kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810de20ea0 (size 32): comm "syz-executor678", pid 6954, jiffies 4294948635 (age 15.440s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76b8e0 (size 32): comm "syz-executor678", pid 6963, jiffies 4294948637 (age 15.420s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76b0c0 (size 32): comm "syz-executor678", pid 6964, jiffies 4294948637 (age 15.420s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76bc20 (size 32): comm "syz-executor678", pid 6966, jiffies 4294948637 (age 15.420s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810de20ea0 (size 32): comm "syz-executor678", pid 6954, jiffies 4294948635 (age 16.310s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76b8e0 (size 32): comm "syz-executor678", pid 6963, jiffies 4294948637 (age 16.290s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76b0c0 (size 32): comm "syz-executor678", pid 6964, jiffies 4294948637 (age 16.290s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810f76bc20 (size 32): comm "syz-executor678", pid 6966, jiffies 4294948637 (age 16.290s) hex dump (first 32 bytes): 76 62 6f 78 6e 65 74 31 5d 2e a8 65 6d 31 73 65 vboxnet1]..em1se 6c 66 2e 7b 6c 6f 76 62 6f 78 6e 65 74 31 00 00 lf.{lovboxnet1.. backtrace: [<00000000865b6942>] __kmalloc_track_caller+0x165/0x300 [<00000000bc78fc47>] kmemdup_nul+0x31/0x80 [<00000000607e17d8>] match_strdup+0x21/0x30 [<000000005bb69bd4>] v9fs_session_init+0x29e/0x880 [<0000000093ad794d>] v9fs_mount+0x5e/0x3c0 [<00000000d73ae58b>] legacy_get_tree+0x27/0x80 [<00000000f065ade4>] vfs_get_tree+0x2e/0x110 [<000000002ce94418>] do_mount+0x96e/0xca0 [<0000000086724b86>] ksys_mount+0xab/0x120 [<00000000a797c68b>] __x64_sys_mount+0x26/0x30 [<00000000b4b834e9>] do_syscall_64+0x73/0x1f0 [<00000000edbc710a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program [ 134.269039][ T6974] FS-Cache: Duplicate cookie detected [ 134.274464][ T6974] FS-Cache: O-cookie c=0000000093cb46bf [p=0000000059bd719b fl=222 nc=0 na=1] [ 134.283333][ T6974] FS-Cache: O-cookie d=00000000ad713eee n=0000000080818bea [ 134.290532][ T6974] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 134.300094][ T6974] FS-Cache: N-cookie c=00000000c9c955e0 [p=0000000059bd719b fl=2 nc=0 na=1] [ 134.308761][ T6974] FS-Cache: N-cookie d=00000000ad713eee n=000000003bce41ec executing program [ 134.315935][ T6974] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 134.325613][ T6975] FS-Cache: Duplicate cookie detected [ 134.331019][ T6975] FS-Cache: O-cookie c=0000000093cb46bf [p=0000000059bd719b fl=222 nc=0 na=1] [ 134.339870][ T6975] FS-Cache: O-cookie d=00000000ad713eee n=0000000080818bea [ 134.347045][ T6975] FS-Cache: O-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' [ 134.356607][ T6975] FS-Cache: N-cookie c=00000000f554316e [p=0000000059bd719b fl=2 nc=0 na=1] [ 134.365279][ T6975] FS-Cache: N-cookie d=00000000ad713eee n=00000000b2d1f806 [ 134.372467][ T6975] FS-Cache: N-key=[30] '76626f786e6574315d2ea8656d3173656c662e7b6c6f76626f786e657431' executing program executing program