WARNING: can't dereference registers at ffff88808bf25928 for ip common_interrupt+0x93/0x93 arch/x86/entry/entry_64.S:576 audit: type=1800 audit(1590490005.805:72): pid=29816 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=15779 res=0 audit: type=1800 audit(1590490006.065:73): pid=29846 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=15779 res=0 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. hub 9-0:1.0: USB hub found hub 9-0:1.0: 8 ports detected netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1800 audit(1590490006.675:74): pid=29887 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=16408 res=0 audit: type=1800 audit(1590490006.805:75): pid=29898 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=16408 res=0 audit: type=1800 audit(1590490006.885:76): pid=29901 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=16400 res=0 audit: type=1800 audit(1590490007.045:77): pid=29911 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=16409 res=0 audit: type=1800 audit(1590490007.465:78): pid=29929 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=16407 res=0 batman_adv: batadv0: Interface deactivated: batadv_slave_0 device batadv_slave_0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 30027 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 aio_get_req fs/aio.c:1049 [inline] io_submit_one fs/aio.c:1589 [inline] do_io_submit+0x2c4/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 30039 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 cgroup: cgroup2: unknown option "" mempool_alloc+0x111/0x2d0 mm/mempool.c:330 bio_alloc_bioset+0x352/0x640 block/bio.c:486 __blkdev_direct_IO fs/block_dev.c:364 [inline] blkdev_direct_IO+0x2a2/0xe70 fs/block_dev.c:457 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1e8/0x3a0 fs/block_dev.c:1891 cgroup: cgroup2: unknown option "" call_write_iter include/linux/fs.h:1778 [inline] aio_write+0x2ba/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x930/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 audit: type=1800 audit(1590490009.155:79): pid=30044 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=16434 res=0 audit: type=1800 audit(1590490009.155:80): pid=30049 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=16434 res=0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 30085 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 mempool_alloc+0x111/0x2d0 mm/mempool.c:330 bvec_alloc+0xcc/0x2d0 block/bio.c:216 bio_alloc_bioset+0x3fa/0x640 block/bio.c:506 __blkdev_direct_IO fs/block_dev.c:364 [inline] blkdev_direct_IO+0x2a2/0xe70 fs/block_dev.c:457 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1e8/0x3a0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1778 [inline] aio_write+0x2ba/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x930/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 30132 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x54/0x400 mm/slab.c:3640 create_task_io_context+0x2a/0x3c0 block/blk-ioc.c:278 create_io_context block/blk.h:323 [inline] generic_make_request_checks+0x1605/0x1a20 block/blk-core.c:2125 generic_make_request+0x6b/0x850 block/blk-core.c:2183 submit_bio+0x234/0x390 block/blk-core.c:2301 __blkdev_direct_IO fs/block_dev.c:418 [inline] blkdev_direct_IO+0x5e0/0xe70 fs/block_dev.c:457 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1e8/0x3a0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1778 [inline] aio_write+0x2ba/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x930/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 audit: type=1804 audit(1590490011.345:81): pid=30134 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir507100555/syzkaller.2eofDg/2346/file0/bus" dev="sda1" ino=16445 res=1 audit: type=1804 audit(1590490011.345:82): pid=30133 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir507100555/syzkaller.2eofDg/2346/file0/bus" dev="sda1" ino=16445 res=1 audit: type=1804 audit(1590490011.375:83): pid=30133 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir507100555/syzkaller.2eofDg/2346/file0/bus" dev="sda1" ino=16445 res=1 audit: type=1804 audit(1590490011.475:84): pid=30151 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir972608049/syzkaller.8ww3Xc/2839/bus" dev="sda1" ino=16442 res=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 30155 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 mempool_alloc+0x111/0x2d0 mm/mempool.c:330 bio_alloc_bioset+0x352/0x640 block/bio.c:486 bio_alloc include/linux/bio.h:422 [inline] __blkdev_direct_IO fs/block_dev.c:419 [inline] blkdev_direct_IO+0x609/0xe70 fs/block_dev.c:457 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1e8/0x3a0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1778 [inline] aio_write+0x2ba/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x930/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 print_req_error: I/O error, dev loop5, sector 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 30172 Comm: syz-executor.1 Not tainted 4.14.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 mempool_alloc+0x111/0x2d0 mm/mempool.c:330 bvec_alloc+0xcc/0x2d0 block/bio.c:216 bio_alloc_bioset+0x3fa/0x640 block/bio.c:506 bio_alloc include/linux/bio.h:422 [inline] __blkdev_direct_IO fs/block_dev.c:419 [inline] blkdev_direct_IO+0x609/0xe70 fs/block_dev.c:457 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1e8/0x3a0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1778 [inline] aio_write+0x2ba/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x930/0x1400 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca29 RSP: 002b:00007face659ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000004e0d00 RCX: 000000000045ca29 RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007face657a000 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000001fb R14: 00000000004c4446 R15: 00007face659f6d4 audit: type=1804 audit(1590490012.405:85): pid=30151 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir972608049/syzkaller.8ww3Xc/2839/bus" dev="sda1" ino=16442 res=1 print_req_error: I/O error, dev loop5, sector 0 print_req_error: I/O error, dev loop5, sector 0 audit: type=1804 audit(1590490013.075:86): pid=30222 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir972608049/syzkaller.8ww3Xc/2840/bus" dev="sda1" ino=16428 res=1 print_req_error: I/O error, dev loop5, sector 0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. tmpfs: Bad mount option fd tmpfs: Bad mount option fd x86/PAT: syz-executor.1:30339 map pfn RAM range req write-combining for [mem 0x1ac800000-0x1ac9fffff], got write-back overlayfs: missing 'workdir' x86/PAT: syz-executor.1:30339 map pfn RAM range req write-combining for [mem 0x1ae400000-0x1ae5fffff], got write-back overlayfs: missing 'workdir' audit: type=1800 audit(1590490014.695:87): pid=30364 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=16464 res=0 VFS: Can't find a Minix filesystem V1 | V2 | V3 on device loop2. VFS: Can't find a Minix filesystem V1 | V2 | V3 on device loop2.