IPVS: Creating netns size=2536 id=3
==================================================================
BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline]
BUG: KASAN: slab-out-of-bounds in list_empty include/linux/list.h:189 [inline]
BUG: KASAN: slab-out-of-bounds in sg_remove_request+0x103/0x120 drivers/scsi/sg.c:2110
Read of size 8 at addr ffff8801b4f74f40 by task syzkaller874244/3833

CPU: 0 PID: 3833 Comm: syzkaller874244 Not tainted 4.9.87-ga290494 #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3835 Comm: syzkaller874244 Not tainted 4.9.87-ga290494 #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b5e60000 task.stack: ffff8801b5e68000
RIP: 0010:[<ffffffff8123c334>]  [<ffffffff8123c334>] __lock_acquire+0x194/0x3640 kernel/locking/lockdep.c:3234
RSP: 0018:ffff8801b5e6f890  EFLAGS: 00010086
RAX: dead4ead00000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff1003911e5d0 RSI: 0000000000000000 RDI: ffff8801c88f2e80
RBP: ffff8801b5e6fa50 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801b5e60000 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801c88f2e78
FS:  00007f488a9b2700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f488a9b1e78 CR3: 00000001ba202000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 00000000024000c0 ffff8801cb373a48 ffff8801da0018c0 ffff8801b5e6fad8
 ffffffff8153d3e3 000000400000000a ffff8801b5e60000 ffff8801b5e608b0
 00000000000002a0 0000000000000002 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff8124021e>] lock_acquire+0x12e/0x410 kernel/locking/lockdep.c:3756
 [<ffffffff838b6a8e>] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:186 [inline]
 [<ffffffff838b6a8e>] _raw_write_lock_irqsave+0x4e/0x62 kernel/locking/spinlock.c:303
 [<ffffffff82669060>] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2112
 [<ffffffff82669675>] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1827
 [<ffffffff8266b526>] sg_read+0xa16/0x1440 drivers/scsi/sg.c:526
 [<ffffffff8156c2e3>] __vfs_read+0x103/0x670 fs/read_write.c:449
 [<ffffffff815701fe>] vfs_read+0x11e/0x380 fs/read_write.c:472
 [<ffffffff81573ef9>] SYSC_read fs/read_write.c:588 [inline]
 [<ffffffff81573ef9>] SyS_read+0xd9/0x1b0 fs/read_write.c:581
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b6b53>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 9e ff ff 44 8b 94 24 98 00 00 00 48 85 c0 8b 8c 24 90 00 00 00 44 8b 8c 24 88 00 00 00 4c 8b 9c 24 80 00 00 00 0f 84 ff 07 00 00 <f0> ff 80 98 01 00 00 49 8d b3 a8 08 00 00 48 ba 00 00 00 00 00 
RIP  [<ffffffff8123c334>] __lock_acquire+0x194/0x3640 kernel/locking/lockdep.c:3234
 RSP <ffff8801b5e6f890>
---[ end trace 7eacda99e12fb071 ]---