kasan: CONFIG_KASAN_INLINE enabled
BUG: spinlock bad magic on CPU#1, syz-executor5/12397
 lock: 0xffff8801d3188018, .magic: dead4eac, .owner: <none>/-1, .owner_cpu: -1
CPU: 1 PID: 12397 Comm: syz-executor5 Not tainted 4.4.105-g8a53962 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000[   67.661812] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 12398 Comm: syz-executor7 Not tainted 4.4.105-g8a53962 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d4a04740 task.stack: ffff8801d7108000
RIP: 0010:[<ffffffff81415181>]  [<ffffffff81415181>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff81415181>]  [<ffffffff81415181>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:[<ffffffff81415181>]  [<ffffffff81415181>] put_page_testzero /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mm.h:357 [inline]
RIP: 0010:[<ffffffff81415181>]  [<ffffffff81415181>] __free_pages+0x21/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:3365
RSP: 0018:ffff8801d710fb38  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: 0000000000000020
RDX: 1bd5a9d5a0000003 RSI: 0000000000000000 RDI: dead4ead0000001c
RBP: ffff8801d710fb48 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff1003ae21f44 R12: ffff8801d318c260
R13: dffffc0000000000 R14: 0000000000000004 R15: ffff8801d318c3c8
FS:  00007fd4e46db700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd78ae3e30 CR3: 00000001d576e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000000 ffff8801d318c3b8 ffff8801d710fba8 ffffffff82564c4c
 ffff8801d710fce8 ffff8801d318c3d0 ffffed003a631877 ffffed003a63187a
 0000000000000020 ffff8801d318c3a0 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff82564c4c>] sg_remove_scat.isra.18+0x19c/0x2b0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1964
 [<ffffffff82564fc8>] sg_finish_rem_req+0x268/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1846
 [<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
 [<ffffffff814f89e1>] vfs_read+0xe1/0x340 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:454
 [<ffffffff814fb353>] SYSC_read /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:569 [inline]
 [<ffffffff814fb353>] SyS_read+0xd3/0x1c0 /syzkaller/managers/android-44-kasan-gce/kernel/fs/read_write.c:562
 [<ffffffff8374aaf6>] entry_SYSCALL_64_fastpath+0x16/0x76
Code: f6 63 0c 00 e9 78 fd ff ff 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 49 
RIP  [<ffffffff81415181>] __read_once_size /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/compiler.h:218 [inline]
RIP  [<ffffffff81415181>] atomic_read /syzkaller/managers/android-44-kasan-gce/kernel/./arch/x86/include/asm/atomic.h:27 [inline]
RIP  [<ffffffff81415181>] put_page_testzero /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mm.h:357 [inline]
RIP  [<ffffffff81415181>] __free_pages+0x21/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:3365
 RSP <ffff8801d710fb38>
---[ end trace 0f6945de2fd41f4a ]---
Kernel panic - not syncing: Fatal exception
 4f2281ff4f78b671 ffff8801db5078d0 ffffffff81cc9b0f
 ffff8801d3188018 ffff8800b97217c0 ffff8801db507910 ffffffff8123a1dd
 0000000000000000 0000000000000000 0000000000000001 ffff8801d3188018
Call Trace:
 <IRQ>  [<ffffffff81cc9b0f>] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81cc9b0f>] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51
 [<ffffffff8123a1dd>] spin_dump+0x14d/0x280 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:67
 [<ffffffff8123a5c8>] spin_bug /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:75 [inline]
 [<ffffffff8123a5c8>] debug_spin_lock_before /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:83 [inline]
 [<ffffffff8123a5c8>] do_raw_spin_lock+0x228/0x2c0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock_debug.c:135
 [<ffffffff8374a796>] __raw_spin_lock_irqsave /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/spinlock_api_smp.h:119 [inline]
 [<ffffffff8374a796>] _raw_spin_lock_irqsave+0x56/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/locking/spinlock.c:159
 [<ffffffff81212f9e>] __wake_up+0x1e/0x50 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/sched/wait.c:94
 [<ffffffff82567e45>] sg_rq_end_io+0x555/0xd20 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/sg.c:1396
 [<ffffffff81c5f484>] __blk_mq_end_request+0x44/0xa0 /syzkaller/managers/android-44-kasan-gce/kernel/block/blk-mq.c:311
 [<ffffffff824cf676>] scsi_end_request+0x116/0x5a0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/scsi_lib.c:716
 [<ffffffff824d7a32>] scsi_io_completion+0x902/0x1df0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/scsi_lib.c:925
 [<ffffffff824bc693>] scsi_finish_command+0x373/0x4e0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/scsi.c:607
 [<ffffffff824d5dac>] scsi_softirq_done+0x21c/0x330 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/scsi_lib.c:1654
 [<ffffffff81c61575>] blk_mq_ipi_complete_request /syzkaller/managers/android-44-kasan-gce/kernel/block/blk-mq.c:356 [inline]
 [<ffffffff81c61575>] __blk_mq_complete_request+0x1e5/0x4b0 /syzkaller/managers/android-44-kasan-gce/kernel/block/blk-mq.c:368
 [<ffffffff81c6188f>] blk_mq_complete_request+0x4f/0x70 /syzkaller/managers/android-44-kasan-gce/kernel/block/blk-mq.c:387
 [<ffffffff824d2afc>] scsi_mq_done+0xec/0x350 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/scsi_lib.c:1964
 [<ffffffff824fa6c2>] virtscsi_complete_cmd+0x552/0x740 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/virtio_scsi.c:210
 [<ffffffff824f8403>] virtscsi_vq_done+0xb3/0x130 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/virtio_scsi.c:228
 [<ffffffff824f8521>] virtscsi_req_done+0xa1/0xc0 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/scsi/virtio_scsi.c:243
 [<ffffffff81ee3fea>] vring_interrupt+0xea/0x150 /syzkaller/managers/android-44-kasan-gce/kernel/drivers/virtio/virtio_ring.c:722
 [<ffffffff8125e817>] handle_irq_event_percpu+0xe7/0x850 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/irq/handle.c:146
 [<ffffffff8125f022>] handle_irq_event+0xa2/0x130 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/irq/handle.c:194
 [<ffffffff81268931>] handle_edge_irq+0x1e1/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/irq/chip.c:623
 [<ffffffff81015b00>] generic_handle_irq_desc /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/irqdesc.h:140 [inline]
 [<ffffffff81015b00>] handle_irq+0x250/0x3a0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/irq_64.c:78
 [<ffffffff81014389>] do_IRQ+0x89/0x1b0 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/irq.c:240
 [<ffffffff8374b60c>] common_interrupt+0x8c/0x8c /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/entry/entry_64.S:553
 <EOI>  [<ffffffff81413b73>] ? __nr_to_section /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mmzone.h:1080 [inline]
 <EOI>  [<ffffffff81413b73>] ? __pfn_to_section /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mmzone.h:1127 [inline]
 <EOI>  [<ffffffff81413b73>] ? get_pageblock_bitmap /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:6498 [inline]
 <EOI>  [<ffffffff81413b73>] ? get_pfnblock_flags_mask+0x43/0x130 /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:6534
 [<ffffffff81414a85>] get_pfnblock_migratetype /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mmzone.h:90 [inline]
 [<ffffffff81414a85>] free_hot_cold_page+0x75/0x3a0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:2115
 [<ffffffff81414e3f>] free_hot_cold_page_list+0x8f/0x3b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/page_alloc.c:2160
 [<ffffffff81429dfc>] release_pages+0x12c/0x470 /syzkaller/managers/android-44-kasan-gce/kernel/mm/swap.c:970
 [<ffffffff814aef00>] free_pages_and_swap_cache+0xe0/0x130 /syzkaller/managers/android-44-kasan-gce/kernel/mm/swap_state.c:266
 [<ffffffff81475185>] tlb_flush_mmu_free+0x85/0x120 /syzkaller/managers/android-44-kasan-gce/kernel/mm/memory.c:255
 [<ffffffff81477aeb>] tlb_flush_mmu /syzkaller/managers/android-44-kasan-gce/kernel/mm/memory.c:264 [inline]
 [<ffffffff81477aeb>] tlb_finish_mmu+0x1b/0x90 /syzkaller/managers/android-44-kasan-gce/kernel/mm/memory.c:275
 [<ffffffff81488a61>] unmap_region+0x201/0x2f0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:2468
 [<ffffffff8148ca3b>] do_munmap+0x5eb/0xd90 /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:2662
 [<ffffffff81490046>] mmap_region+0x376/0x1200 /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:1605
 [<ffffffff8149134d>] do_mmap+0x47d/0xab0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:1441
 [<ffffffff8144f37a>] do_mmap_pgoff /syzkaller/managers/android-44-kasan-gce/kernel/include/linux/mm.h:1915 [inline]
 [<ffffffff8144f37a>] vm_mmap_pgoff+0x14a/0x1b0 /syzkaller/managers/android-44-kasan-gce/kernel/mm/util.c:272
 [<ffffffff8148f28d>] SYSC_mmap_pgoff /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:1491 [inline]
 [<ffffffff8148f28d>] SyS_mmap_pgoff+0x9d/0x680 /syzkaller/managers/android-44-kasan-gce/kernel/mm/mmap.c:1449
 [<ffffffff8101afc6>] SYSC_mmap /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/sys_x86_64.c:95 [inline]
 [<ffffffff8101afc6>] SyS_mmap+0x16/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/arch/x86/kernel/sys_x86_64.c:86
 [<ffffffff8374aaf6>] entry_SYSCALL_64_fastpath+0x16/0x76
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..