TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
BUG: KASAN: wild-memory-access in __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
BUG: KASAN: wild-memory-access in sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
BUG: KASAN: wild-memory-access in sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
Read of size 75 at addr ffe70873f708d000 by task syz-executor6/10404

CPU: 1 PID: 10404 Comm: syz-executor6 Not tainted 4.9.90-gdd1e37e #66
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d6e879c8 ffffffff81d94ee9 ffe70873f708d000 000000000000004b
 0000000000000000 ffff8801c5b3b720 ffff8801d7ef2240 ffff8801d6e87a10
 ffffffff8153d7c2 ffffffff8266bbc5 0000000000000282 33bf0c963977cd31
Call Trace:
 [<ffffffff81d94ee9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94ee9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153d7c2>] kasan_report_error mm/kasan/report.c:353 [inline]
 [<ffffffff8153d7c2>] kasan_report+0x162/0x380 mm/kasan/report.c:412
 [<ffffffff8153c1e7>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c1e7>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c251>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266bbc5>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266bbc5>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266bbc5>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156bf58>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff8157009d>] do_loop_readv_writev fs/read_write.c:879 [inline]
 [<ffffffff8157009d>] do_readv_writev+0x5fd/0x740 fs/read_write.c:873
 [<ffffffff81570264>] vfs_readv+0x84/0xc0 fs/read_write.c:897
 [<ffffffff81570386>] do_readv+0xe6/0x250 fs/read_write.c:923
 [<ffffffff81573857>] SYSC_readv fs/read_write.c:1010 [inline]
 [<ffffffff81573857>] SyS_readv+0x27/0x30 fs/read_write.c:1007
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8493>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
==================================================================
sg_write: data in/out 1969188161/10 bytes for SCSI command 0x73-- guessing data in;
   program syz-executor6 not setting count and/or reply_len properly
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10404 Comm: syz-executor6 Tainted: G    B           4.9.90-gdd1e37e #66
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d6e878e8 ffffffff81d94ee9 ffffffff84197d47 ffff8801d6e879c0
 0000000000000000 ffff8801c5b3b720 ffff8801d7ef2240 ffff8801d6e879b0
 ffffffff8142e651 0000000041b58ab3 ffffffff8418b7a0 ffffffff8142e495
Call Trace:
 [<ffffffff81d94ee9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94ee9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142e651>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff8153d320>] kasan_end_report+0x50/0x50 mm/kasan/report.c:180
 [<ffffffff8153d7cb>] kasan_report_error mm/kasan/report.c:360 [inline]
 [<ffffffff8153d7cb>] kasan_report+0x16b/0x380 mm/kasan/report.c:412
 [<ffffffff8153c1e7>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c1e7>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c251>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266bbc5>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266bbc5>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266bbc5>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156bf58>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff8157009d>] do_loop_readv_writev fs/read_write.c:879 [inline]
 [<ffffffff8157009d>] do_readv_writev+0x5fd/0x740 fs/read_write.c:873
 [<ffffffff81570264>] vfs_readv+0x84/0xc0 fs/read_write.c:897
 [<ffffffff81570386>] do_readv+0xe6/0x250 fs/read_write.c:923
 [<ffffffff81573857>] SYSC_readv fs/read_write.c:1010 [inline]
 [<ffffffff81573857>] SyS_readv+0x27/0x30 fs/read_write.c:1007
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8493>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..