program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 ================================================================== BUG: KASAN: out-of-bounds in unwind_get_return_address+0x98/0xb0 arch/x86/kernel/unwind_frame.c:17 Read of size 8 at addr ffff8801ad1d78e8 by task syz-executor3/1539 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO CPU: 0 PID: 1539 Comm: syz-executor3 Not tainted 4.9.124-g09eb2ba #83 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c8eaf7c8 ffffffff81eb95e9 ffffea0006b475c0 ffff8801ad1d78e8 0000000000000000 ffff8801ad1d78f0 ffff8801cf142b40 ffff8801c8eaf800 ffffffff8156c35e ffff8801ad1d78e8 0000000000000008 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_address_description+0x6c/0x234 mm/kasan/report.c:256 [] kasan_report_error mm/kasan/report.c:355 [inline] [] kasan_report.cold.6+0x242/0x2fe mm/kasan/report.c:412 netlink: 41 bytes leftover after parsing attributes in process `syz-executor2'. [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 [] unwind_get_return_address+0x98/0xb0 arch/x86/kernel/unwind_frame.c:17 [] __save_stack_trace+0x8d/0xf0 arch/x86/kernel/stacktrace.c:43 [] save_stack_trace_tsk+0x48/0x70 arch/x86/kernel/stacktrace.c:71 [] proc_pid_stack+0x148/0x220 fs/proc/base.c:469 [] proc_single_show+0xfd/0x170 fs/proc/base.c:771 [] seq_read+0x4b6/0x12e0 fs/seq_file.c:240 [] do_loop_readv_writev.part.18+0xd5/0x280 fs/read_write.c:718 [] do_loop_readv_writev fs/read_write.c:707 [inline] [] do_readv_writev+0x565/0x7a0 fs/read_write.c:873 [] vfs_readv+0x84/0xc0 fs/read_write.c:897 [] do_preadv+0x197/0x240 fs/read_write.c:974 [] SYSC_preadv fs/read_write.c:1024 [inline] [] SyS_preadv+0x30/0x40 fs/read_write.c:1019 [] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb The buggy address belongs to the page: page:ffffea0006b475c0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x8000000000000000() page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801ad1d7780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801ad1d7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8801ad1d7880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff8801ad1d7900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801ad1d7980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 binder: 1565:1583 BC_FREE_BUFFER u0000000000000000 no match binder_alloc: binder_alloc_mmap_handler: 1565 20003000-20004000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 1565:1583 ioctl 40046207 0 returned -16 binder_alloc: 1565: binder_alloc_buf, no vma binder: 1565:1584 transaction failed 29189/-3, size 0-0 line 3136 binder: 1565:1584 BC_FREE_BUFFER u0000000000000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 288 to 1565:1583 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189