[....] 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: [ 27.231216][ T26] kauditd_printk_skb: 20 callbacks suppressed [ 27.231223][ T26] audit: type=1400 audit(1582420447.488:41): avc: denied { map } for pid=6929 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 '10.128.0.47' (ECDSA) to the list of known hosts. [ 89.443163][ T26] audit: type=1400 audit(1582420509.698:42): avc: denied { map } for pid=6945 comm="syz-executor654" path="/root/syz-executor654842600" 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 [ 89.470201][ T26] audit: type=1400 audit(1582420509.698:43): avc: denied { integrity } for pid=6945 comm="syz-executor654" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program [ 96.098273][ T26] audit: type=1400 audit(1582420516.358:44): avc: denied { open } for pid=6947 comm="syz-executor654" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 96.121899][ T26] audit: type=1400 audit(1582420516.358:45): avc: denied { kernel } for pid=6947 comm="syz-executor654" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 96.145669][ T26] audit: type=1400 audit(1582420516.358:46): avc: denied { confidentiality } for pid=6947 comm="syz-executor654" lockdown_reason="unsafe use of perf" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 [ 101.095606][ T6957] FS-Cache: Duplicate cookie detected [ 101.101001][ T6957] FS-Cache: O-cookie c=00000000bad2fe03 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 101.109836][ T6957] FS-Cache: O-cookie d=00000000628b53fb n=00000000d339c122 [ 101.117027][ T6957] FS-Cache: O-key=[10] '02000200000002000000' [ 101.123072][ T6957] FS-Cache: N-cookie c=0000000042acf1df [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 101.131720][ T6957] FS-Cache: N-cookie d=00000000628b53fb n=00000000c31c0405 [ 101.138903][ T6957] FS-Cache: N-key=[10] '02000200000002000000' [ 101.144945][ T6955] FS-Cache: Duplicate cookie detected [ 101.150324][ T6955] FS-Cache: O-cookie c=00000000bad2fe03 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 101.159150][ T6955] FS-Cache: O-cookie d=00000000628b53fb n=00000000d339c122 [ 101.166323][ T6955] FS-Cache: O-key=[10] '02000200000002000000' [ 101.172421][ T6955] FS-Cache: N-cookie c=00000000068bc810 [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 101.181069][ T6955] FS-Cache: N-cookie d=00000000628b53fb n=000000001787ac3f [ 101.188245][ T6955] FS-Cache: N-key=[10] '02000200000002000000' [ 101.194989][ T6959] FS-Cache: Duplicate cookie detected [ 101.200382][ T6959] FS-Cache: O-cookie c=00000000bad2fe03 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 101.209211][ T6959] FS-Cache: O-cookie d=00000000edbe0bdd n=00000000edbe0bdd [ 101.216379][ T6959] FS-Cache: O-key=[10] '02000200000002000000' [ 101.222425][ T6959] FS-Cache: N-cookie c=000000000f2a8fb4 [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 101.231071][ T6959] FS-Cache: N-cookie d=00000000628b53fb n=00000000b6108563 [ 101.238243][ T6959] FS-Cache: N-key=[10] '02000200000002000000' [ 101.244285][ T6960] FS-Cache: Duplicate cookie detected [ 101.249656][ T6960] FS-Cache: O-cookie c=00000000bad2fe03 [p=00000000c1d3abf7 fl=212 nc=0 na=0] [ 101.258496][ T6960] FS-Cache: O-cookie d=00000000edbe0bdd n=00000000edbe0bdd [ 101.265679][ T6960] FS-Cache: O-key=[10] '02000200000002000000' [ 101.271728][ T6960] FS-Cache: N-cookie c=00000000d8406a7a [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 101.280499][ T6960] FS-Cache: N-cookie d=00000000628b53fb n=000000009d0d9cbb [ 101.287678][ T6960] FS-Cache: N-key=[10] '02000200000002000000' [ 101.294554][ T6958] FS-Cache: Duplicate cookie detected [ 101.299947][ T6958] FS-Cache: O-cookie c=0000000056ab4ac9 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 101.308778][ T6958] FS-Cache: O-cookie d=00000000628b53fb n=000000000c60da87 [ 101.315960][ T6958] FS-Cache: O-key=[10] '02000200000002000000' [ 101.322014][ T6958] FS-Cache: N-cookie c=000000003a8039bb [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 101.330873][ T6958] FS-Cache: N-cookie d=00000000628b53fb n=000000002d9bd9d0 [ 101.338062][ T6958] FS-Cache: N-key=[10] '02000200000002000000' [ 102.888357][ T6953] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118170800 (size 32): comm "syz-executor654", pid 6947, jiffies 4294946883 (age 19.340s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888117190ac0 (size 32): comm "syz-executor654", pid 6956, jiffies 4294946883 (age 19.340s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811c2d2640 (size 32): comm "syz-executor654", pid 6958, jiffies 4294946883 (age 19.340s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881190ed4c0 (size 32): comm "syz-executor654", pid 6959, jiffies 4294946883 (age 19.340s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881190eda60 (size 32): comm "syz-executor654", pid 6955, jiffies 4294946883 (age 19.340s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118170800 (size 32): comm "syz-executor654", pid 6947, jiffies 4294946883 (age 20.230s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888117190ac0 (size 32): comm "syz-executor654", pid 6956, jiffies 4294946883 (age 20.230s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811c2d2640 (size 32): comm "syz-executor654", pid 6958, jiffies 4294946883 (age 20.230s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881190ed4c0 (size 32): comm "syz-executor654", pid 6959, jiffies 4294946883 (age 20.230s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881190eda60 (size 32): comm "syz-executor654", pid 6955, jiffies 4294946883 (age 20.230s) hex dump (first 32 bytes): 00 66 73 00 00 00 00 00 00 00 00 00 00 00 00 00 .fs............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000054ace460>] __kmalloc_track_caller+0x165/0x300 [<00000000ee3ef6e1>] kstrdup+0x3a/0x70 [<000000003e47f229>] nfs_fs_context_parse_monolithic+0x5cf/0x8f0 [<00000000018580a7>] parse_monolithic_mount_data+0x37/0x40 [<00000000069b8a05>] do_mount+0x945/0xc80 [<000000001bddbf12>] __x64_sys_mount+0xc0/0x140 [<00000000ca6061d5>] do_syscall_64+0x73/0x220 [<0000000099f470e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program [ 124.866540][ T6968] FS-Cache: Duplicate cookie detected [ 124.871936][ T6968] FS-Cache: O-cookie c=000000008b2aca20 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 124.880758][ T6968] FS-Cache: O-cookie d=00000000628b53fb n=00000000b6108563 [ 124.887925][ T6968] FS-Cache: O-key=[10] '02000200000002000000' [ 124.893972][ T6968] FS-Cache: N-cookie c=000000001b34140b [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 124.902625][ T6968] FS-Cache: N-cookie d=00000000628b53fb n=000000007190bd0f [ 124.909791][ T6968] FS-Cache: N-key=[10] '02000200000002000000' [ 124.915834][ T6964] FS-Cache: Duplicate cookie detected [ 124.921195][ T6964] FS-Cache: O-cookie c=000000008b2aca20 [p=00000000c1d3abf7 fl=222 nc=0 na=1] [ 124.930011][ T6964] FS-Cache: O-cookie d=00000000edbe0bdd n=00000000edbe0bdd [ 124.937183][ T6964] FS-Cache: O-key=[10] '02000200000002000000' [ 124.943228][ T6964] FS-Cache: N-cookie c=00000000c91f53fb [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 124.951880][ T6964] FS-Cache: N-cookie d=00000000628b53fb n=000000001027a4f0 [ 124.959061][ T6964] FS-Cache: N-key=[10] '02000200000002000000' [ 124.965101][ T6966] FS-Cache: Duplicate cookie detected [ 124.970474][ T6966] FS-Cache: O-cookie c=000000008b2aca20 [p=00000000c1d3abf7 fl=212 nc=0 na=0] [ 124.979296][ T6966] FS-Cache: O-cookie d=00000000edbe0bdd n=00000000edbe0bdd [ 124.986462][ T6966] FS-Cache: O-key=[10] '02000200000002000000' [ 124.992500][ T6966] FS-Cache: N-cookie c=0000000005912af4 [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 125.001142][ T6966] FS-Cache: N-cookie d=00000000628b53fb n=000000005aaac47b [ 125.009265][ T6966] FS-Cache: N-key=[10] '02000200000002000000' [ 125.015307][ T6967] FS-Cache: Duplicate cookie detected [ 125.020687][ T6967] FS-Cache: O-cookie c=000000008b2aca20 [p=00000000c1d3abf7 fl=212 nc=0 na=0] [ 125.029516][ T6967] FS-Cache: O-cookie d=00000000edbe0bdd n=00000000edbe0bdd [ 125.036689][ T6967] FS-Cache: O-key=[10] '02000200000002000000' [ 125.042731][ T6967] FS-Cache: N-cookie c=00000000c58c3a79 [p=00000000c1d3abf7 fl=2 nc=0 na=1] [ 125.051390][ T6967] FS-Cache: N-cookie d=00000000628b53fb n=00000000c31c0405 [ 125.058565][ T6967] FS-Cache: N-key=[10] '02000200000002000000'