syzbot


INFO: Freed in fasync_free_rcu age=57 cpu=0 pid=NUM

Status: closed as invalid on 2017/12/12 13:19
First crash: 2539d, last: 2539d

Sample crash report:
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
>ffff8801d2c8fa80: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=57 cpu=0 pid=18338
                                                             ^
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	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
	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
Read of size 4 by task syz-executor4/18439
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<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
	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
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
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
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
 [<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
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 [<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
 [<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
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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 f7cef474b7404a57 ffff8800b7ef79b0 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
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
	__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
 [<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
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
-----------------------------------------------------------------------------

Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<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
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	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
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
	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 /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
 ffff8801d2c8f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
-----------------------------------------------------------------------------

	__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
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
	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
-----------------------------------------------------------------------------

INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<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
Read of size 4 by task syz-executor4/18439
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 ffff8801d2c8f980: 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
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<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
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<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
 ffff8801d2c8fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
=============================================================================
	d_alloc_pseudo+0x9/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1680
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=105 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=105 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=105 cpu=1 pid=18439
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<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
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
-----------------------------------------------------------------------------

INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	entry_SYSCALL_64_fastpath+0x16/0x76
Call Trace:
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff82564a10>] 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
 ffff8801d2c8fb80: 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
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
                                                             ^
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<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
 ffff8801d2c8fa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 [<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
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	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
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
==================================================================
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<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
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<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
 [<ffffffff82566a47>] 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=166 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=166 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=166 cpu=1 pid=18439
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=171 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=171 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=171 cpu=1 pid=18439
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 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
	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
	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
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
Read of size 4 by task syz-executor4/18439
Read of size 4 by task syz-executor4/18439
	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
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
=============================================================================
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
==================================================================
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
	__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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
=============================================================================
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	__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: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=202 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=202 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=202 cpu=1 pid=18439
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 ffff8801d2c8fb80: fc fc 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
	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
=============================================================================
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
	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 ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<ffffffff82566a47>] 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=219 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=219 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=219 cpu=1 pid=18439
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Call Trace:
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
	entry_SYSCALL_64_fastpath+0x16/0x76
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<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
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
Call Trace:
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<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.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	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
 [<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 ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<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 ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff8374aaf6>] 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=320 cpu=0 pid=18338
Call Trace:
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Call Trace:
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 [<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
 [<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 /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
Read of size 4 by task syz-executor4/18439
	d_alloc_pseudo+0x9/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1680
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 ffff8801d2c8f980: fc fc 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=334 cpu=0 pid=18338
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	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 fasync_cache (Tainted: G    B          ): kasan: bad access detected
Read of size 4 by task syz-executor4/18439
-----------------------------------------------------------------------------

	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: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=340 cpu=0 pid=18338
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 ffff8801d2c8fb80: 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
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<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
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
	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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<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
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
==================================================================
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
Read of size 4 by task syz-executor4/18439
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
 ffff8801d2c8fa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
=============================================================================
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
Call Trace:
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<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
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
	entry_SYSCALL_64_fastpath+0x16/0x76
Call Trace:
 [<ffffffff82566a47>] 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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 ffff8801d2c8fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=343 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=343 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=343 cpu=1 pid=18439
	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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
Read of size 4 by task syz-executor4/18439
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=349 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=349 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=349 cpu=1 pid=18439
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
Call Trace:
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
==================================================================
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
Call Trace:
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<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
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
Read of size 4 by task syz-executor4/18439
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
-----------------------------------------------------------------------------

Read of size 4 by task syz-executor4/18439
	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
 ffff8801d2c8fb00: 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=382 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=382 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=382 cpu=1 pid=18439
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Object ffff8801d2c8fab0: 00 00 00 00 00 00 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
=============================================================================
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
Call Trace:
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	__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
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	SYSC_socketpair /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1313 [inline]
	SyS_socketpair+0x264/0x480 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1268
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	entry_SYSCALL_64_fastpath+0x16/0x76
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

INFO: Slab 0xffffea00074b2380 objects=20 used=2 fp=0xffff8801d2c8f5e0 flags=0x8000000000004080
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<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
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 ffff8801d2c8fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	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
Read of size 4 by task syz-executor4/18439
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=429 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=429 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=429 cpu=1 pid=18439
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=434 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=434 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=434 cpu=1 pid=18439
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
Read of size 4 by task syz-executor4/18439
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
==================================================================
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Call Trace:
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
-----------------------------------------------------------------------------

	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 ffff8801d2c8fa00: fc fc 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
	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
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 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
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
==================================================================
	__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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 ffff8801d2c8f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 ffff8801d2c8f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
==================================================================
-----------------------------------------------------------------------------

Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 [<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
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
Call Trace:
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 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
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
-----------------------------------------------------------------------------

	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<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
 [<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+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
Read of size 4 by task syz-executor4/18439
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<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
Object ffff8801d2c8fab0: 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
 ffff8801d2c8fa00: 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
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
==================================================================
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 ffff8801d2c8fb80: fc fc 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
	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
 [<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
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff82566a47>] 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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
-----------------------------------------------------------------------------

	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.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
Read of size 4 by task syz-executor4/18439
	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 0xffffea00074b2380 objects=20 used=2 fp=0xffff8801d2c8f5e0 flags=0x8000000000004080
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
 ffff8801d2c8fb80: 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
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=545 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=545 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=545 cpu=1 pid=18439
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
Call Trace:
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 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
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	entry_SYSCALL_64_fastpath+0x16/0x76
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
Call Trace:
Object ffff8801d2c8faa0: 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
	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
=============================================================================
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	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
 ffff8801d2c8f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=568 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=568 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=568 cpu=1 pid=18439
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
 [<ffffffff82564a10>] 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
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
	entry_SYSCALL_64_fastpath+0x16/0x76
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
=============================================================================
INFO: Slab 0xffffea00074b2380 objects=20 used=2 fp=0xffff8801d2c8f5e0 flags=0x8000000000004080
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
	d_alloc_pseudo+0x9/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1680
==================================================================
Read of size 4 by task syz-executor4/18439
Read of size 4 by task syz-executor4/18439
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
==================================================================
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
=============================================================================
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
 [<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
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<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
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
==================================================================
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=609 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=609 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=609 cpu=1 pid=18439
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
==================================================================
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=612 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=612 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=612 cpu=1 pid=18439
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
 ffff8801d2c8fa00: 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
 ffff8801d2c8f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
Object ffff8801d2c8faa0: 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
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
	entry_SYSCALL_64_fastpath+0x16/0x76
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
 [<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
 [<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
 [<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
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
==================================================================
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
	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
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

 [<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: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=727 cpu=0 pid=18338
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
-----------------------------------------------------------------------------

Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
 [<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
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<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
	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
-----------------------------------------------------------------------------

	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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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=702 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=702 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=702 cpu=1 pid=18439
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
Call Trace:
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	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 ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
==================================================================
	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
==================================================================
=============================================================================
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<ffffffff814f6d4a>] __vfs_read+0xda/0x3e0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:432
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
==================================================================
=============================================================================
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 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
Call Trace:
Object ffff8801d2c8fac0: 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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	SYSC_socketpair /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1313 [inline]
	SyS_socketpair+0x264/0x480 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1268
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
Call Trace:
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=739 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=739 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=739 cpu=1 pid=18439
Bytes b4 ffff8801d2c8fa80: 01 00 00 00 05 47 00 00 82 af ff ff 00 00 00 00  .....G..........
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
                                                             ^
 ffff8801d2c8fa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
-----------------------------------------------------------------------------

Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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 ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
Call Trace:
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
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
Object ffff8801d2c8faa0: 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
Read of size 4 by task syz-executor4/18439
	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
	__slab_alloc.isra.74.constprop.77+0x50/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2504
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
	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 fasync_cache (Tainted: G    B          ): kasan: bad access detected
	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
	SYSC_socketpair /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1313 [inline]
	SyS_socketpair+0x264/0x480 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1268
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	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
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
Read of size 4 by task syz-executor4/18439
	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 ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

Object ffff8801d2c8fae0: 00 92 ae b8 00 88 ff ff f0 f4 52 81 ff ff ff ff  ..........R.....
	__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=806 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=806 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=806 cpu=1 pid=18439
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<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
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
==================================================================
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
INFO: Freed in fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562 age=869 cpu=0 pid=18338
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: Slab 0xffffea00074b2380 objects=20 used=2 fp=0xffff8801d2c8f5e0 flags=0x8000000000004080
 [<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 ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
Object ffff8801d2c8fa90: 00 00 00 00 ad 4e ad de ff ff ff ff 01 88 ff ff  .....N..........
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Call Trace:
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 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
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=846 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=846 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=846 cpu=1 pid=18439
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
==================================================================
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<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
 [<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
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
 [<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
Read of size 4 by task syz-executor4/18439
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 ffff8801d2c8fa00: 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
	___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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fab0: 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
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
Read of size 4 by task syz-executor4/18439
=============================================================================
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	fasync_free_rcu+0x14/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:562
=============================================================================
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<ffffffff82566a47>] 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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
	__d_alloc+0x248/0x790 /syzkaller/managers/android-44-kasan-gce/kernel/fs/dcache.c:1622
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=880 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=880 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=880 cpu=1 pid=18439
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 [<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
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 ffff8801d2c8fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	exiting_irq /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/apic.h:653 [inline]
	smp_apic_timer_interrupt+0x7b/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/apic/apic.c:926
	__raw_spin_lock_init+0x1c/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:23
 [<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
INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=895 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=895 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=895 cpu=1 pid=18439
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 [<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
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
Call Trace:
Object ffff8801d2c8fab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
Memory state around the buggy address:
=============================================================================
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
 0000000000000000 f7cef474b7404a57 ffff8800b7ef79b0 ffffffff81cc9b0f
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
                                                             ^
 [<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
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 ffff8801d9f16c00 ffffea00074b2380 ffff8801d2c8fa90 0000000000000000
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<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
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
-----------------------------------------------------------------------------

INFO: Allocated in fasync_alloc /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:603 [inline] age=922 cpu=1 pid=18439
INFO: Allocated in fasync_add_entry /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:661 [inline] age=922 cpu=1 pid=18439
INFO: Allocated in fasync_helper+0x29/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/fs/fcntl.c:690 age=922 cpu=1 pid=18439
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
 ffff8801d2c8fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
	SYSC_socketpair /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1313 [inline]
	SyS_socketpair+0x264/0x480 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1268
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<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
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff814d3af4>] print_trailer+0x114/0x1a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:682
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
	__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
	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
Read of size 4 by task syz-executor4/18439
	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 fasync_cache (Tainted: G    B          ): kasan: bad access detected
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
Read of size 4 by task syz-executor4/18439
	___slab_alloc.constprop.78+0x4c6/0x530 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2475
 [<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
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
 [<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
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<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
 [<ffffffff82564fb5>] sg_finish_rem_req+0x255/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1848
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	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
 ffff8801d2c8fb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
BUG fasync_cache (Tainted: G    B          ): kasan: bad access detected
Memory state around the buggy address:
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
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 ffff8801d2c8faf4
	__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
Memory state around the buggy address:
                                                             ^
	sg_fasync+0x66/0xb0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1213
-----------------------------------------------------------------------------

	entry_SYSCALL_64_fastpath+0x16/0x76
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 ffff8801d2c8e010 ffff8801d2c8fa90 ffff8800b7ef79e0 ffffffff814d3af4
 [<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 ffff8801d2c8faa0: 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
=============================================================================
INFO: Slab 0xffffea00074b2380 objects=20 used=2 fp=0xffff8801d2c8f5e0 flags=0x8000000000004080
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	__do_softirq+0x24d/0xa60 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:273
 [<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
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<ffffffff82566a47>] sg_read+0x767/0x1260 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:538
                                                             ^
Object ffff8801d2c8faa0: ff ff ff ff ff ff ff ff 80 e3 70 85 ff ff ff ff  ..........p.....
Object ffff8801d2c8fad0: 00 00 00 00 00 00 00 00 00 39 fb b7 00 88 ff ff  .........9......
 [<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
 [<ffffffff82564a10>] sg_remove_request+0x60/0x100 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:2132
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
Object ffff8801d2c8fac0: 00 50 8b 83 ff ff ff ff 01 46 00 00 03 00 00 00  .P.......F......
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
                                                             ^
CPU: 1 PID: 18439 Comm: syz-executor4 Tainted: G    B           4.4.105-g8a53962 #3
 [<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
INFO: Object 0xffff8801d2c8fa90 @offset=6800 fp=0xdead4ead00000000

	__slab_free+0x18c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:2685
-----------------------------------------------------------------------------

	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
	invoke_softirq /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:350 [inline]
	irq_exit+0x119/0x140 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/softirq.c:391
 [<ffffffff8374a876>] __raw_write_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/rwlock_api_smp.h:187 [inline]
 [<ffffffff8374a876>] _raw_write_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:303
 [<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
 [<ffffffff814d945f>] object_err+0x2f/0x40 /syzkaller/managers/android-44-kasan-gce/kernel/mm/slub.c:689

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/12/11 04:56 https://android.googlesource.com/kernel/common android-4.4 8a5396242ea0 5ad0ce95 .config console log report ci-android-44-kasan-gce
* Struck through repros no longer work on HEAD.