[ 24.329075][ T22] audit: type=1800 audit(1571974843.254:40): pid=6744 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.075122][ T22] audit: type=1400 audit(1571974847.024:41): avc: denied { map } for pid=6924 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 '10.128.0.169' (ECDSA) to the list of known hosts. [ 521.452952][ T22] audit: type=1400 audit(1571975340.404:42): avc: denied { map } for pid=6940 comm="syz-executor299" path="/root/syz-executor299707818" 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 executing program [ 528.312456][ T6941] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 528.312456][ T6941] program syz-executor299 not setting count and/or reply_len properly executing program [ 534.253594][ T6942] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 534.253594][ T6942] program syz-executor299 not setting count and/or reply_len properly executing program [ 540.161101][ T6943] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 540.161101][ T6943] program syz-executor299 not setting count and/or reply_len properly executing program [ 546.068104][ T6944] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 546.068104][ T6944] program syz-executor299 not setting count and/or reply_len properly executing program [ 551.980357][ T6945] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 551.980357][ T6945] program syz-executor299 not setting count and/or reply_len properly executing program [ 557.901332][ T6946] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 557.901332][ T6946] program syz-executor299 not setting count and/or reply_len properly executing program [ 563.820109][ T6947] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 563.820109][ T6947] program syz-executor299 not setting count and/or reply_len properly executing program [ 569.740878][ T6948] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 569.740878][ T6948] program syz-executor299 not setting count and/or reply_len properly executing program [ 575.662884][ T6949] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 575.662884][ T6949] program syz-executor299 not setting count and/or reply_len properly executing program [ 581.578944][ T6950] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 581.578944][ T6950] program syz-executor299 not setting count and/or reply_len properly executing program [ 587.504237][ T6951] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 587.504237][ T6951] program syz-executor299 not setting count and/or reply_len properly executing program [ 593.421947][ T6952] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 593.421947][ T6952] program syz-executor299 not setting count and/or reply_len properly executing program [ 599.345390][ T6953] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 599.345390][ T6953] program syz-executor299 not setting count and/or reply_len properly executing program [ 605.269346][ T6954] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 605.269346][ T6954] program syz-executor299 not setting count and/or reply_len properly executing program [ 611.175877][ T6955] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 611.175877][ T6955] program syz-executor299 not setting count and/or reply_len properly executing program [ 617.084531][ T6956] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 617.084531][ T6956] program syz-executor299 not setting count and/or reply_len properly executing program [ 623.002294][ T6957] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 623.002294][ T6957] program syz-executor299 not setting count and/or reply_len properly executing program [ 628.921659][ T6958] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 628.921659][ T6958] program syz-executor299 not setting count and/or reply_len properly executing program [ 634.826199][ T6959] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 634.826199][ T6959] program syz-executor299 not setting count and/or reply_len properly executing program [ 640.762281][ T6960] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 640.762281][ T6960] program syz-executor299 not setting count and/or reply_len properly executing program [ 646.713674][ T6961] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 646.713674][ T6961] program syz-executor299 not setting count and/or reply_len properly executing program [ 652.649495][ T6962] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 652.649495][ T6962] program syz-executor299 not setting count and/or reply_len properly executing program [ 658.586233][ T6963] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 658.586233][ T6963] program syz-executor299 not setting count and/or reply_len properly executing program [ 664.507221][ T6964] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 664.507221][ T6964] program syz-executor299 not setting count and/or reply_len properly executing program [ 670.411096][ T6965] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 670.411096][ T6965] program syz-executor299 not setting count and/or reply_len properly executing program [ 676.286480][ T6966] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 676.286480][ T6966] program syz-executor299 not setting count and/or reply_len properly executing program [ 682.181819][ T6967] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 682.181819][ T6967] program syz-executor299 not setting count and/or reply_len properly executing program [ 688.074486][ T6968] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 688.074486][ T6968] program syz-executor299 not setting count and/or reply_len properly executing program [ 693.980114][ T6969] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 693.980114][ T6969] program syz-executor299 not setting count and/or reply_len properly executing program [ 699.888190][ T6970] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 699.888190][ T6970] program syz-executor299 not setting count and/or reply_len properly executing program [ 705.798560][ T6971] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 705.798560][ T6971] program syz-executor299 not setting count and/or reply_len properly executing program [ 711.952405][ T6972] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 711.952405][ T6972] program syz-executor299 not setting count and/or reply_len properly executing program [ 717.856688][ T6973] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 717.856688][ T6973] program syz-executor299 not setting count and/or reply_len properly executing program [ 723.772869][ T6974] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 723.772869][ T6974] program syz-executor299 not setting count and/or reply_len properly executing program [ 729.695744][ T6975] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 729.695744][ T6975] program syz-executor299 not setting count and/or reply_len properly executing program [ 735.617532][ T6976] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 735.617532][ T6976] program syz-executor299 not setting count and/or reply_len properly executing program [ 741.545248][ T6977] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 741.545248][ T6977] program syz-executor299 not setting count and/or reply_len properly executing program [ 747.466284][ T6978] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 747.466284][ T6978] program syz-executor299 not setting count and/or reply_len properly executing program [ 753.381364][ T6979] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 753.381364][ T6979] program syz-executor299 not setting count and/or reply_len properly executing program [ 759.300964][ T6980] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 759.300964][ T6980] program syz-executor299 not setting count and/or reply_len properly executing program [ 765.218281][ T6981] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 765.218281][ T6981] program syz-executor299 not setting count and/or reply_len properly executing program [ 771.135073][ T6982] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 771.135073][ T6982] program syz-executor299 not setting count and/or reply_len properly executing program [ 777.047257][ T6983] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 777.047257][ T6983] program syz-executor299 not setting count and/or reply_len properly [ 777.960440][ T6940] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888115992800 (size 2048): comm "syz-executor299", pid 6943, jiffies 4294991292 (age 244.720s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ............... backtrace: [<00000000069232c5>] __kmalloc+0x169/0x300 [<000000004449d9c5>] bio_alloc_bioset+0x1b8/0x2c0 [<00000000f14737de>] bio_copy_user_iov+0x121/0x4d0 [<00000000ffc280e5>] blk_rq_map_user_iov+0xc6/0x2b0 [<000000004c86ad46>] blk_rq_map_user+0x71/0xb0 [<00000000e493491c>] sg_common_write.isra.0+0x619/0xa10 [<00000000dd94a794>] sg_write.part.0+0x325/0x570 [<00000000c41a2c62>] sg_write+0x44/0x64 [<00000000170f783b>] __vfs_write+0x43/0xa0 [<00000000d08ac09c>] vfs_write+0xee/0x210 [<00000000ba9bdecf>] ksys_write+0x7c/0x130 [<00000000580f199d>] __x64_sys_write+0x1e/0x30 [<00000000b6a81d43>] do_syscall_64+0x73/0x1f0 [<00000000fb75a745>] entry_SYSCALL_64_after_hwframe+0x44/0xa9