[ 24.598699][ T25] audit: type=1804 audit(1569771675.057:55): pid=6891 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.598707][ T25] audit: type=1804 audit(1569771675.057:56): pid=6887 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.598717][ T25] audit: type=1804 audit(1569771675.087:57): pid=6886 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.598724][ T25] audit: type=1804 audit(1569771675.087:58): pid=6889 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.598731][ T25] audit: type=1804 audit(1569771675.087:59): pid=6886 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 24.598740][ T25] audit: type=1804 audit(1569771675.087:60): pid=6891 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. syzkaller login: [ 34.053484][ T25] kauditd_printk_skb: 2 callbacks suppressed [ 34.053491][ T25] audit: type=1400 audit(1569771684.577:63): avc: denied { map } for pid=6909 comm="syz-executor033" path="/root/syz-executor033396585" dev="sda1" ino=16503 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 [ 40.789358][ T6923] FS-Cache: Duplicate cookie detected [ 40.794771][ T6923] FS-Cache: O-cookie c=00000000722d9903 [p=0000000011fc2c39 fl=222 nc=0 na=1] [ 40.803620][ T6923] FS-Cache: O-cookie d=00000000fda6d53f n=00000000bcc3eb38 [ 40.810798][ T6923] FS-Cache: O-key=[10] '34323934393431333531' [ 40.816877][ T6923] FS-Cache: N-cookie c=000000008df67e21 [p=0000000011fc2c39 fl=2 nc=0 na=1] [ 40.825525][ T6923] FS-Cache: N-cookie d=00000000fda6d53f n=000000005ec7b87b [ 40.832710][ T6923] FS-Cache: N-key=[10] '34323934393431333531' executing program [ 40.838760][ T6925] FS-Cache: Duplicate cookie detected [ 40.844145][ T6925] FS-Cache: O-cookie c=00000000722d9903 [p=0000000011fc2c39 fl=222 nc=0 na=1] [ 40.852979][ T6925] FS-Cache: O-cookie d=00000000fda6d53f n=00000000bcc3eb38 [ 40.860146][ T6925] FS-Cache: O-key=[10] '34323934393431333531' [ 40.866198][ T6925] FS-Cache: N-cookie c=00000000faa9b421 [p=0000000011fc2c39 fl=2 nc=0 na=1] [ 40.874849][ T6925] FS-Cache: N-cookie d=00000000fda6d53f n=0000000079774810 [ 40.882018][ T6925] FS-Cache: N-key=[10] '34323934393431333531' [ 40.888068][ T6922] FS-Cache: Duplicate cookie detected [ 40.893455][ T6922] FS-Cache: O-cookie c=00000000722d9903 [p=0000000011fc2c39 fl=222 nc=0 na=1] [ 40.902291][ T6922] FS-Cache: O-cookie d=00000000fda6d53f n=00000000bcc3eb38 [ 40.909474][ T6922] FS-Cache: O-key=[10] '34323934393431333531' [ 40.915531][ T6922] FS-Cache: N-cookie c=0000000043f32be9 [p=0000000011fc2c39 fl=2 nc=0 na=1] [ 40.924185][ T6922] FS-Cache: N-cookie d=00000000fda6d53f n=000000003b589d3b [ 40.931361][ T6922] FS-Cache: N-key=[10] '34323934393431333531' [ 40.937426][ T6926] FS-Cache: Duplicate cookie detected [ 40.942809][ T6926] FS-Cache: O-cookie c=00000000722d9903 [p=0000000011fc2c39 fl=222 nc=0 na=1] [ 40.951667][ T6926] FS-Cache: O-cookie d=00000000fda6d53f n=00000000bcc3eb38 [ 40.958841][ T6926] FS-Cache: O-key=[10] '34323934393431333531' [ 40.964922][ T6926] FS-Cache: N-cookie c=00000000f922afab [p=0000000011fc2c39 fl=2 nc=0 na=1] [ 40.973573][ T6926] FS-Cache: N-cookie d=00000000fda6d53f n=000000002026798a [ 40.980747][ T6926] FS-Cache: N-key=[10] '34323934393431333531' [ 46.976402][ T6918] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888116a8a520 (size 32): comm "syz-executor033", pid 6923, jiffies 4294941351 (age 15.400s) hex dump (first 32 bytes): 34 32 39 34 39 34 31 33 35 31 00 22 81 88 ff ff 4294941351.".... 01 00 00 00 03 00 00 00 11 00 00 00 00 00 00 00 ................ backtrace: [<00000000a158f8c0>] kmem_cache_alloc_trace+0x145/0x2c0 [<0000000093964806>] v9fs_cache_session_get_cookie+0xa6/0x110 [<00000000dff3cdab>] v9fs_session_init+0x5c3/0x880 [<00000000299c1b7a>] v9fs_mount+0x5e/0x3c0 [<00000000dd21de24>] legacy_get_tree+0x27/0x80 [<000000001e0bbefe>] vfs_get_tree+0x2d/0xe0 [<00000000fdc997d5>] do_mount+0x95f/0xc60 [<0000000006da1d80>] ksys_mount+0xab/0x120 [<0000000049428c19>] __x64_sys_mount+0x26/0x30 [<000000002a5412ea>] do_syscall_64+0x73/0x1f0 [<00000000ea920da5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program executing program