[ 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 '10.128.0.63' (ECDSA) to the list of known hosts. syzkaller login: [ 35.070345][ T25] audit: type=1400 audit(1601019055.813:8): avc: denied { execmem } for pid=6478 comm="syz-executor502" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 42.909331][ T6483] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 42.919429][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2016, location=2016 [ 42.929818][ T6483] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 42.940209][ T6483] UDF-fs: Scanning with blocksize 512 failed [ 42.946437][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 42.956653][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 42.966680][ T6483] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 42.976858][ T6483] UDF-fs: Scanning with blocksize 1024 failed [ 42.983492][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 42.993428][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 43.003322][ T6483] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 43.011091][ T6483] UDF-fs: Scanning with blocksize 2048 failed [ 43.017295][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 43.027323][ T6483] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 43.037064][ T6483] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 43.044812][ T6483] UDF-fs: Scanning with blocksize 4096 failed [ 43.051046][ T6483] UDF-fs: warning (device loop0): udf_fill_super: No partition found (1) executing program [ 49.019245][ T6490] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 49.029349][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2016, location=2016 [ 49.039101][ T6490] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 49.049148][ T6490] UDF-fs: Scanning with blocksize 512 failed [ 49.055389][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 49.065245][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 49.075082][ T6490] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 49.083061][ T6490] UDF-fs: Scanning with blocksize 1024 failed [ 49.089723][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 49.099659][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 49.109403][ T6490] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 49.117021][ T6490] UDF-fs: Scanning with blocksize 2048 failed [ 49.123565][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 49.133590][ T6490] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 49.143417][ T6490] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 49.151226][ T6490] UDF-fs: Scanning with blocksize 4096 failed [ 49.157261][ T6490] UDF-fs: warning (device loop0): udf_fill_super: No partition found (1) executing program [ 55.154374][ T6497] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 55.164461][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2016, location=2016 [ 55.174843][ T6497] UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! [ 55.185237][ T6497] UDF-fs: Scanning with blocksize 512 failed [ 55.192442][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 55.202616][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 55.212823][ T6497] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 55.220697][ T6497] UDF-fs: Scanning with blocksize 1024 failed [ 55.226965][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 55.236969][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 55.246726][ T6497] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 55.254817][ T6497] UDF-fs: Scanning with blocksize 2048 failed [ 55.261286][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 55.271200][ T6497] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 [ 55.280929][ T6497] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found [ 55.288737][ T6497] UDF-fs: Scanning with blocksize 4096 failed [ 55.294819][ T6497] UDF-fs: warning (device loop0): udf_fill_super: No partition found (1) [ 56.740293][ T6478] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811a2ed600 (size 512): comm "syz-executor502", pid 6490, jiffies 4294942165 (age 14.690s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000f3f91a0>] udf_process_sequence+0x7e/0x1080 [<00000000671e9082>] udf_check_anchor_block+0x14a/0x1a0 [<00000000e962ebeb>] udf_scan_anchors+0x9e/0x240 [<000000001a6bf00c>] udf_load_vrs+0x1be/0x3b0 [<000000003bf77af6>] udf_fill_super+0x286/0x7a5 [<00000000a7dcada4>] mount_bdev+0x1d3/0x210 [<000000002320066c>] legacy_get_tree+0x26/0x70 [<00000000dcab156a>] vfs_get_tree+0x28/0xe0 [<00000000e86f0702>] path_mount+0x90e/0xda0 [<00000000cf8a82c1>] __x64_sys_mount+0x140/0x190 [<00000000cd49928d>] do_syscall_64+0x2d/0x70 [<00000000143ed806>] entry_SYSCALL_64_after_hwframe+0x44/0xa9