[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. syzkaller login: [ 139.398239][ T24] audit: type=1400 audit(1597262383.880:8): avc: denied { execmem } for pid=6503 comm="syz-executor199" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program [ 146.572640][ T6523] FS-Cache: Duplicate cookie detected [ 146.578053][ T6523] FS-Cache: O-cookie c=000000003a7cbb95 [p=00000000fa2d3847 fl=222 nc=0 na=1] [ 146.581766][ T6531] FS-Cache: Duplicate cookie detected [ 146.587452][ T6523] FS-Cache: O-cookie d=000000003a6efa5e n=00000000be61d842 [ 146.587458][ T6523] FS-Cache: O-key=[10] '34323934393531393332' [ 146.592812][ T6531] FS-Cache: O-cookie c=000000000ffafdb2 [p=00000000fa2d3847 fl=222 nc=0 na=1] [ 146.600020][ T6523] FS-Cache: N-cookie c=00000000a04d6bfb [p=00000000fa2d3847 fl=2 nc=0 na=1] [ 146.606067][ T6531] FS-Cache: O-cookie d=000000003a6efa5e n=00000000f70fce60 [ 146.614896][ T6523] FS-Cache: N-cookie d=000000003a6efa5e n=000000002c3e51b9 [ 146.623551][ T6531] FS-Cache: O-key=[10] '34323934393531393333' [ 146.630716][ T6523] FS-Cache: N-key=[10] '34323934393531393332' [ 146.637899][ T6531] FS-Cache: N-cookie c=000000004fe959ad [p=00000000fa2d3847 fl=2 nc=0 na=1] [ 146.637905][ T6531] FS-Cache: N-cookie d=000000003a6efa5e n=0000000084dfffd1 [ 146.665898][ T6531] FS-Cache: N-key=[10] '34323934393531393333' [ 146.682921][ T6533] FS-Cache: Duplicate cookie detected [ 146.688324][ T6533] FS-Cache: O-cookie c=0000000020a87349 [p=00000000fa2d3847 fl=222 nc=0 na=1] [ 146.697183][ T6533] FS-Cache: O-cookie d=000000003a6efa5e n=000000002a68ac1c [ 146.704361][ T6533] FS-Cache: O-key=[10] '34323934393531393433' [ 146.710433][ T6533] FS-Cache: N-cookie c=00000000e3ab0786 [p=00000000fa2d3847 fl=2 nc=0 na=1] [ 146.719091][ T6533] FS-Cache: N-cookie d=000000003a6efa5e n=00000000134d224f [ 146.726270][ T6533] FS-Cache: N-key=[10] '34323934393531393433' [ 153.016566][ T6509] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888117acc7e0 (size 32): comm "syz-executor199", pid 6523, jiffies 4294951932 (age 18.860s) hex dump (first 32 bytes): 34 32 39 34 39 35 31 39 33 32 00 30 30 30 30 30 4294951932.00000 30 30 00 82 ff ff ff ff d9 94 d9 82 ff ff ff ff 00.............. backtrace: [<00000000e17f49c2>] v9fs_cache_session_get_cookie+0x98/0x100 [<00000000f6120097>] v9fs_session_init+0x5a1/0x840 [<000000004ac8c76c>] v9fs_mount+0x56/0x390 [<000000004de91251>] legacy_get_tree+0x26/0x70 [<00000000e800a650>] vfs_get_tree+0x28/0xe0 [<000000003d73cbb6>] path_mount+0x90e/0xda0 [<00000000e00163a3>] __x64_sys_mount+0x140/0x190 [<00000000a1b438bf>] do_syscall_64+0x2d/0x70 [<00000000255feb54>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a2f2a60 (size 32): comm "syz-executor199", pid 6531, jiffies 4294951933 (age 18.850s) hex dump (first 32 bytes): 34 32 39 34 39 35 31 39 33 33 00 30 30 30 30 30 4294951933.00000 30 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00.............. backtrace: [<00000000e17f49c2>] v9fs_cache_session_get_cookie+0x98/0x100 [<00000000f6120097>] v9fs_session_init+0x5a1/0x840 [<000000004ac8c76c>] v9fs_mount+0x56/0x390 [<000000004de91251>] legacy_get_tree+0x26/0x70 [<00000000e800a650>] vfs_get_tree+0x28/0xe0 [<000000003d73cbb6>] path_mount+0x90e/0xda0 [<00000000e00163a3>] __x64_sys_mount+0x140/0x190 [<00000000a1b438bf>] do_syscall_64+0x2d/0x70 [<00000000255feb54>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811b968740 (size 32): comm "syz-executor199", pid 6533, jiffies 4294951943 (age 18.750s) hex dump (first 32 bytes): 34 32 39 34 39 35 31 39 34 33 00 30 30 30 30 30 4294951943.00000 30 30 00 f1 f7 89 a1 48 ca ad 73 7b 47 80 a6 fb 00.....H..s{G... backtrace: [<00000000e17f49c2>] v9fs_cache_session_get_cookie+0x98/0x100 [<00000000f6120097>] v9fs_session_init+0x5a1/0x840 [<000000004ac8c76c>] v9fs_mount+0x56/0x390 [<000000004de91251>] legacy_get_tree+0x26/0x70 [<00000000e800a650>] vfs_get_tree+0x28/0xe0 [<000000003d73cbb6>] path_mount+0x90e/0xda0 [<00000000e00163a3>] __x64_sys_mount+0x140/0x190 [<00000000a1b438bf>] do_syscall_64+0x2d/0x70 [<00000000255feb54>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program executing program [ 173.837921][ T6599] FS-Cache: Duplicate cookie detected [ 173.843324][ T6599] FS-Cache: O-cookie c=00000000d2bd8f31 [p=00000000fa2d3847 fl=222 nc=0 na=1] [ 173.852197][ T6599] FS-Cache: O-cookie d=000000003a6efa5e n=00000000ab890024 [ 173.859426][ T6599] FS-Cache: O-key=[10] '34323934393534363539' [ 173.865497][ T6599] FS-Cache: N-cookie c=00000000c1a88f1a [p=00000000fa2d3847 fl=2 nc=0 na=1] [ 173.874156][ T6599] FS-Cache: N-cookie d=000000003a6efa5e n=000000007444da2d [ 173.881347][ T6599] FS-Cache: N-key=[10] '34323934393534363539' [ 173.961576][ T6628] FS-Cache: Duplicate cookie detected [ 173.967031][ T6628] FS-Cache: O-cookie c=00000000448c7940 [p=00000000fa2d3847 fl=222 nc=0 na=1] [ 173.975875][ T6628] FS-Cache: O-cookie d=000000003a6efa5e n=00000000ed50275c [ 173.983087][ T6628] FS-Cache: O-key=[10] '34323934393534363731' [ 173.989159][ T6628] FS-Cache: N-cookie c=000000007c71f34e [p=00000000fa2d3847 fl=2 nc=0 na=1] [ 173.997856][ T6628] FS-Cache: N-cookie d=000000003a6efa5e n=000000007895f348 [ 174.005033][ T6628] FS-Cache: N-key=[10] '34323934393534363731'