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INFO: Allocated in fasync_helper age=1 cpu=1 pid=6024

Status: closed as invalid on 2017/12/12 13:19
First crash: 2344d, last: 2344d

Sample crash report:
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
                         ^
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
	entry_SYSCALL_64_fastpath+0x16/0x76
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Call Trace:
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
	kthread+0x245/0x310 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/kthread.c:211
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
Read of size 4 by task syz-executor1/6024
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
=============================================================================
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
                         ^
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
-----------------------------------------------------------------------------

==================================================================
                         ^
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
=============================================================================
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
=============================================================================
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
Memory state around the buggy address:
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Call Trace:
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
Memory state around the buggy address:
	kthread+0x245/0x310 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/kthread.c:211
==================================================================
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
                         ^
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	ret_from_fork+0x3f/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/entry/entry_64.S:468
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Call Trace:
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
-----------------------------------------------------------------------------

 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
Call Trace:
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Bytes b4 ffff8801d3701120: 00 00 00 00 6d 13 00 00 74 9d ff ff 00 00 00 00  ....m...t.......
	kthread+0x245/0x310 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/kthread.c:211
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Bytes b4 ffff8801d3701120: 00 00 00 00 6d 13 00 00 74 9d ff ff 00 00 00 00  ....m...t.......
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Bytes b4 ffff8801d3701120: 00 00 00 00 6d 13 00 00 74 9d ff ff 00 00 00 00  ....m...t.......
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
=============================================================================
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Bytes b4 ffff8801d3701120: 00 00 00 00 6d 13 00 00 74 9d ff ff 00 00 00 00  ....m...t.......
==================================================================
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
=============================================================================
	ret_from_fork+0x3f/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/entry/entry_64.S:468
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
==================================================================
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Call Trace:
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
INFO: Slab 0xffffea00074dc000 objects=20 used=3 fp=0xffff8801d3701900 flags=0x8000000000004080
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
                         ^
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
	entry_SYSCALL_64_fastpath+0x16/0x76
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
Memory state around the buggy address:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
Memory state around the buggy address:
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
                         ^
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
Read of size 4 by task syz-executor1/6024
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
Read of size 4 by task syz-executor1/6024
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
=============================================================================
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
Memory state around the buggy address:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
	entry_SYSCALL_64_fastpath+0x16/0x76
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Call Trace:
-----------------------------------------------------------------------------

 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
=============================================================================
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
INFO: Slab 0xffffea00074dc000 objects=20 used=3 fp=0xffff8801d3701900 flags=0x8000000000004080
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
Read of size 4 by task syz-executor1/6024
                         ^
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Memory state around the buggy address:
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
=============================================================================
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
==================================================================
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Read of size 4 by task syz-executor1/6024
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
==================================================================
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Call Trace:
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
Call Trace:
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	__rcu_reclaim /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/rcu.h:118 [inline]
	rcu_do_batch /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2705 [inline]
	invoke_rcu_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2973 [inline]
	__rcu_process_callbacks /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2940 [inline]
	rcu_process_callbacks+0x7ff/0x1490 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/rcu/tree.c:2957
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
                         ^
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
-----------------------------------------------------------------------------

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Bytes b4 ffff8801d3701120: 00 00 00 00 6d 13 00 00 74 9d ff ff 00 00 00 00  ....m...t.......
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Memory state around the buggy address:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Call Trace:
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
Read of size 4 by task syz-executor1/6024
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
Read of size 4 by task syz-executor1/6024
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Memory state around the buggy address:
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
=============================================================================
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
==================================================================
==================================================================
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Memory state around the buggy address:
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
                         ^
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
                         ^
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Object ffff8801d3701130: 00 00 00 00 ad 4e ad de ff ff ff ff be 3f fb a0  .....N.......?..
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                         ^
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
-----------------------------------------------------------------------------

 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
=============================================================================
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
Read of size 4 by task syz-executor1/6024
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
                         ^
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
	kthread+0x245/0x310 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/kthread.c:211
Read of size 4 by task syz-executor1/6024
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
-----------------------------------------------------------------------------

 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
-----------------------------------------------------------------------------

 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
==================================================================
==================================================================
Read of size 4 by task syz-executor1/6024
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
-----------------------------------------------------------------------------

 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
                         ^
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
 ffff8801d3700010 ffff8801d3701130 ffff8800b43179e0 ffffffff814d3af4
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
Call Trace:
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
=============================================================================
Call Trace:
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
Call Trace:
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
 ffff8801d3701200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Memory state around the buggy address:
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 ffff8801d3700010 ffff8801d3701130 ffff8800b43179e0 ffffffff814d3af4
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 ffff8801d3700010 ffff8801d3701130 ffff8800b43179e0 ffffffff814d3af4
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
==================================================================
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
                         ^
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
Call Trace:
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
-----------------------------------------------------------------------------

 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
Object ffff8801d3701160: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Call Trace:
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
=============================================================================
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
Object ffff8801d3701180: 00 de 72 d5 01 88 ff ff f0 f4 52 81 ff ff ff ff  ..r.......R.....
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
	setfl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:69 [inline]
	do_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:266 [inline]
	SYSC_fcntl /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:371 [inline]
	SyS_fcntl+0x5be/0xc70 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:356
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Memory state around the buggy address:
Object ffff8801d3701170: 00 00 00 00 00 00 00 00 00 67 b4 b5 00 88 ff ff  .........g......
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
CPU: 1 PID: 6024 Comm: syz-executor1 Tainted: G    B           4.4.104-ged884eb #2
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
Memory state around the buggy address:
 ffff8800bbb98c00 ffffea00074dc000 ffff8801d3701130 0000000000000000
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8374b236>] entry_SYSCALL_64_fastpath+0x16/0x76
-----------------------------------------------------------------------------

	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 [<ffffffff8123ab47>] queued_write_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qrwlock.h:121 [inline]
 [<ffffffff8123ab47>] do_raw_write_lock+0xc7/0x1d0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:279
 ffff8801d3701280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	kthread+0x245/0x310 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/kthread.c:211
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff814db1b7>] print_address_description /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:139 [inline]
 [<ffffffff814db1b7>] kasan_report_error /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:237 [inline]
 [<ffffffff814db1b7>] kasan_report.part.2+0x227/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:262
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 0000000000000000 3fe20028167234bc ffff8800b43179b0 ffffffff81cc9b0f
INFO: Slab 0xffffea00074dc000 objects=20 used=3 fp=0xffff8801d3701900 flags=0x8000000000004080
 [<ffffffff82564f65>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Call Trace:
	fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline]
	fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline]
	fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
-----------------------------------------------------------------------------

 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d3701100: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
BUG: KASAN: slab-out-of-bounds in __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801d3701194
BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352 at addr ffff8801d3701194
==================================================================
Read of size 4 by task syz-executor1/6024
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=52 cpu=0 pid=3
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825669f7>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
Call Trace:
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff825649c0>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
INFO: Object 0xffff8801d3701130 @offset=4400 fp=0xdead4ead00000000

 [<ffffffff814db549>] kasan_report /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282 [inline]
 [<ffffffff814db549>] __asan_report_load4_noabort+0x29/0x30 /syzkaller/managers/android-44-kasan-gce/kernel/mm/kasan/report.c:282
Object ffff8801d3701140: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
==================================================================
 ffff8801d3701080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 [<ffffffff8123b9c6>] pv_queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/paravirt.h:696 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock_slowpath /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:28 [inline]
 [<ffffffff8123b9c6>] queued_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/include/asm-generic/qspinlock.h:102 [inline]
 [<ffffffff8123b9c6>] queued_write_lock_slowpath+0x116/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qrwlock.c:115
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=1 cpu=1 pid=6024
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=1 cpu=1 pid=6024
 ffff8801d3700010 ffff8801d3701130 ffff8800b43179e0 ffffffff814d3af4
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8123648d>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
 [<ffffffff8123648d>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
 [<ffffffff8123648d>] virt_spin_lock /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/qspinlock.h:56 [inline]
 [<ffffffff8123648d>] native_queued_spin_lock_slowpath+0x5ad/0x660 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/qspinlock.c:352
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
Memory state around the buggy address:
	run_ksoftirqd+0x20/0x60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:662
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	slab_alloc_node /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2567 [inline]
	slab_alloc /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2609 [inline]
	kmem_cache_alloc+0x155/0x290 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2614
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
	slab_free /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2840 [inline]
	kmem_cache_free+0x1f1/0x300 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2849
-----------------------------------------------------------------------------

 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
-----------------------------------------------------------------------------

	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
Read of size 4 by task syz-executor1/6024
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
>ffff8801d3701180: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
 [<ffffffff8374afa6>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374afa6>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d3701150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/12/09 03:37 https://android.googlesource.com/kernel/common android-4.4 ed884ebd80a9 5ad0ce95 .config console log report ci-android-44-kasan-gce
* Struck through repros no longer work on HEAD.