[....] 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: [ 42.578061][ T24] kauditd_printk_skb: 42 callbacks suppressed [ 42.578067][ T24] audit: type=1400 audit(1569401610.032:63): avc: denied { map } for pid=6810 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 '10.128.1.60' (ECDSA) to the list of known hosts. [ 113.490231][ T24] audit: type=1400 audit(1569401680.942:64): avc: denied { map } for pid=6822 comm="syz-executor210" path="/root/syz-executor210293017" 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 [ 120.559182][ T6832] FS-Cache: Duplicate cookie detected [ 120.564646][ T6832] FS-Cache: O-cookie c=00000000d86e2f13 [p=00000000eea468db fl=222 nc=0 na=1] [ 120.573503][ T6832] FS-Cache: O-cookie d=000000007bf81db9 n=00000000b93bcee8 [ 120.580684][ T6832] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.588476][ T6832] FS-Cache: N-cookie c=00000000ea0800a6 [p=00000000eea468db fl=2 nc=0 na=1] [ 120.597124][ T6832] FS-Cache: N-cookie d=000000007bf81db9 n=00000000597fcb0f executing program executing program executing program [ 120.604394][ T6832] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.612190][ T6837] FS-Cache: Duplicate cookie detected [ 120.617602][ T6837] FS-Cache: O-cookie c=00000000d86e2f13 [p=00000000eea468db fl=222 nc=0 na=1] [ 120.626459][ T6837] FS-Cache: O-cookie d=000000007bf81db9 n=00000000b93bcee8 [ 120.633640][ T6837] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.641471][ T6837] FS-Cache: N-cookie c=00000000ae98ee78 [p=00000000eea468db fl=2 nc=0 na=1] [ 120.650139][ T6837] FS-Cache: N-cookie d=000000007bf81db9 n=000000002442bd2a [ 120.657326][ T6837] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.665152][ T6833] FS-Cache: Duplicate cookie detected [ 120.670571][ T6833] FS-Cache: O-cookie c=00000000d86e2f13 [p=00000000eea468db fl=222 nc=0 na=1] [ 120.679401][ T6833] FS-Cache: O-cookie d=00000000cb391f43 n=00000000cb391f43 [ 120.686579][ T6833] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.694387][ T6833] FS-Cache: N-cookie c=00000000f9eb7142 [p=00000000eea468db fl=2 nc=0 na=1] [ 120.703064][ T6833] FS-Cache: N-cookie d=000000007bf81db9 n=00000000957aa65a [ 120.710246][ T6833] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.718157][ T6835] FS-Cache: Duplicate cookie detected [ 120.723528][ T6835] FS-Cache: O-cookie c=00000000d86e2f13 [p=00000000eea468db fl=212 nc=0 na=0] [ 120.732366][ T6835] FS-Cache: O-cookie d=00000000cb391f43 n=00000000cb391f43 [ 120.739879][ T6835] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.747668][ T6835] FS-Cache: N-cookie c=0000000099404334 [p=00000000eea468db fl=2 nc=0 na=1] [ 120.756317][ T6835] FS-Cache: N-cookie d=000000007bf81db9 n=00000000d01a25ea [ 120.764520][ T6835] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.772322][ T6838] FS-Cache: Duplicate cookie detected [ 120.777712][ T6838] FS-Cache: O-cookie c=00000000d86e2f13 [p=00000000eea468db fl=212 nc=0 na=0] [ 120.786548][ T6838] FS-Cache: O-cookie d=00000000cb391f43 n=00000000cb391f43 [ 120.793722][ T6838] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.801532][ T6838] FS-Cache: N-cookie c=0000000090bd2b2e [p=00000000eea468db fl=2 nc=0 na=1] [ 120.810294][ T6838] FS-Cache: N-cookie d=000000007bf81db9 n=00000000f150f1ef [ 120.817492][ T6838] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.825387][ T6834] FS-Cache: Duplicate cookie detected [ 120.830908][ T6834] FS-Cache: O-cookie c=00000000e1fd6d1e [p=00000000eea468db fl=222 nc=0 na=1] [ 120.839783][ T6834] FS-Cache: O-cookie d=000000007bf81db9 n=00000000302af732 [ 120.848734][ T6834] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 120.856561][ T6834] FS-Cache: N-cookie c=00000000726ddbaf [p=00000000eea468db fl=2 nc=0 na=1] [ 120.865573][ T6834] FS-Cache: N-cookie d=000000007bf81db9 n=000000002621c51f [ 120.872802][ T6834] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' [ 127.142691][ T6824] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118fdb900 (size 32): comm "syz-executor210", pid 6833, jiffies 4294949324 (age 18.730s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a1b9c60 (size 32): comm "syz-executor210", pid 6832, jiffies 4294949324 (age 18.730s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811f83dde0 (size 32): comm "syz-executor210", pid 6837, jiffies 4294949324 (age 18.730s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a1b9b20 (size 32): comm "syz-executor210", pid 6834, jiffies 4294949329 (age 18.680s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 34 2e 73 6f 2e 32 00 00 00 00 00 cess.4.so.2..... backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118fdb900 (size 32): comm "syz-executor210", pid 6833, jiffies 4294949324 (age 21.180s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a1b9c60 (size 32): comm "syz-executor210", pid 6832, jiffies 4294949324 (age 21.180s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811f83dde0 (size 32): comm "syz-executor210", pid 6837, jiffies 4294949324 (age 21.180s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 00 00 00 00 00 00 00 00 00 00 00 cess............ backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a1b9b20 (size 32): comm "syz-executor210", pid 6834, jiffies 4294949329 (age 21.130s) hex dump (first 32 bytes): 70 70 70 30 70 6f 73 69 78 5f 61 63 6c 5f 61 63 ppp0posix_acl_ac 63 65 73 73 00 34 2e 73 6f 2e 32 00 00 00 00 00 cess.4.so.2..... backtrace: [<00000000add5f60a>] __kmalloc_track_caller+0x165/0x300 [<000000004060360b>] kmemdup_nul+0x31/0x80 [<00000000d4f289fe>] match_strdup+0x21/0x30 [<000000008169a051>] v9fs_session_init+0x29e/0x880 [<000000005d37d1ed>] v9fs_mount+0x5e/0x3c0 [<000000004146c25f>] legacy_get_tree+0x27/0x80 [<0000000087f374f5>] vfs_get_tree+0x2e/0x110 [<0000000057669214>] do_mount+0x96e/0xca0 [<0000000044c1e812>] ksys_mount+0xab/0x120 [<00000000073d28f6>] __x64_sys_mount+0x26/0x30 [<00000000484936c2>] do_syscall_64+0x73/0x1f0 [<00000000f1d9b625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program [ 147.691279][ T6842] FS-Cache: Duplicate cookie detected [ 147.696710][ T6842] FS-Cache: O-cookie c=00000000faff00cf [p=00000000eea468db fl=222 nc=0 na=1] [ 147.705560][ T6842] FS-Cache: O-cookie d=000000007bf81db9 n=00000000961f172a [ 147.712787][ T6842] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 147.720622][ T6842] FS-Cache: N-cookie c=000000006144f630 [p=00000000eea468db fl=2 nc=0 na=1] [ 147.729322][ T6842] FS-Cache: N-cookie d=000000007bf81db9 n=000000003708ec64 [ 147.736513][ T6842] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373' executing program executing program [ 148.828316][ T6844] FS-Cache: Duplicate cookie detected [ 148.833728][ T6844] FS-Cache: O-cookie c=00000000faff00cf [p=00000000eea468db fl=222 nc=0 na=1] [ 148.842600][ T6844] FS-Cache: O-cookie d=000000007bf81db9 n=000000003708ec64 [ 148.850164][ T6844] FS-Cache: O-key=[20] '70707030706f7369785f61636c5f616363657373' [ 148.858089][ T6844] FS-Cache: N-cookie c=000000006144f630 [p=00000000eea468db fl=2 nc=0 na=1] [ 148.866858][ T6844] FS-Cache: N-cookie d=000000007bf81db9 n=00000000961f172a executing program [ 148.874039][ T6844] FS-Cache: N-key=[20] '70707030706f7369785f61636c5f616363657373'