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BUG: KASAN: slab-out-of-bounds in sg_mark_end include/linux/scatterlist.h:190 [inline]
BUG: KASAN: slab-out-of-bounds in tls_push_record+0x10cc/0x1270 net/tls/tls_sw.c:255
Read of size 8 at addr ffff8880ac21ea78 by task syz-executor406/7983

CPU: 0 PID: 7983 Comm: syz-executor406 Not tainted 4.14.280-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+0x1b2/0x281 lib/dump_stack.c:58
 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252
 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351
 kasan_report mm/kasan/report.c:409 [inline]
 __asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430
 sg_mark_end include/linux/scatterlist.h:190 [inline]
 tls_push_record+0x10cc/0x1270 net/tls/tls_sw.c:255
 tls_handle_open_record net/tls/tls_main.c:158 [inline]
 tls_sk_proto_close+0x6f0/0x8b0 net/tls/tls_main.c:270
 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425
 inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:450
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa44/0x2850 kernel/exit.c:868
 do_group_exit+0x100/0x2e0 kernel/exit.c:965
 SYSC_exit_group kernel/exit.c:976 [inline]
 SyS_exit_group+0x19/0x20 kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fc1645e9d39
RSP: 002b:00007fff17f4dc18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc16465d270 RCX: 00007fc1645e9d39
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
R10: 0000000000000028 R11: 0000000000000246 R12: 00007fc16465d270
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001

Allocated by task 1:
 save_stack mm/kasan/kasan.c:447 [inline]
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x15a/0x400 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 kzalloc include/linux/slab.h:661 [inline]
 cgroup_create kernel/cgroup/cgroup.c:4835 [inline]
 cgroup_mkdir+0x1ec/0xd50 kernel/cgroup/cgroup.c:4951
 kernfs_iop_mkdir+0x158/0x1e0 fs/kernfs/dir.c:1097
 vfs_mkdir+0x463/0x6e0 fs/namei.c:3849
 SYSC_mkdirat fs/namei.c:3872 [inline]
 SyS_mkdirat+0x1fd/0x270 fs/namei.c:3856
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb

Freed by task 22:
 save_stack mm/kasan/kasan.c:447 [inline]
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524
 __cache_free mm/slab.c:3496 [inline]
 kfree+0xc9/0x250 mm/slab.c:3815
 scsi_target_dev_release+0x2d/0x50 drivers/scsi/scsi_scan.c:338
 device_release+0xf0/0x1a0 drivers/base/core.c:846
 kobject_cleanup lib/kobject.c:646 [inline]
 kobject_release lib/kobject.c:675 [inline]
 kref_put include/linux/kref.h:70 [inline]
 kobject_put+0x251/0x550 lib/kobject.c:692
 put_device+0x1c/0x30 drivers/base/core.c:2030
 __scsi_scan_target+0x164/0xc20 drivers/scsi/scsi_scan.c:1587
 scsi_scan_channel drivers/scsi/scsi_scan.c:1656 [inline]
 scsi_scan_channel+0x119/0x1a0 drivers/scsi/scsi_scan.c:1632
 scsi_scan_host_selected+0x24f/0x330 drivers/scsi/scsi_scan.c:1685
 do_scsi_scan_host+0x1db/0x250 drivers/scsi/scsi_scan.c:1824
 do_scan_async+0x3e/0x4e0 drivers/scsi/scsi_scan.c:1834
 async_run_entry_fn+0xc5/0x680 kernel/async.c:127
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404

The buggy address belongs to the object at ffff8880ac21e200
 which belongs to the cache kmalloc-2048 of size 2048
The buggy address is located 120 bytes to the right of
 2048-byte region [ffff8880ac21e200, ffff8880ac21ea00)
The buggy address belongs to the page:
page:ffffea0002b08780 count:1 mapcount:0 mapping:ffff8880ac21e200 index:0x0 compound_mapcount: 0
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffff8880ac21e200 0000000000000000 0000000100000003
raw: ffffea00025bea20 ffffea0002933120 ffff88813fe74c40 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880ac21e900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880ac21e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880ac21ea00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                                ^
 ffff8880ac21ea80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880ac21eb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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