kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access[   37.930629] BUG: spinlock bad magic on CPU#0, syz-executor3/7361
 lock: 0xffff8801ce9b4218, .magic: dead4eac, .owner: <none>/-1, .owner_cpu: -1
CPU: 0 PID: 7361 Comm: syz-executor3 Not tainted 4.4.106-g2fea039 #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 d6c3d5b48d0011f2 ffff8801db407748 ffffffff81cc930f
 ffff8801ce9b4218 ffff8800bb9b4680 ffff8801db407788 ffffffff812387cd
 ffff8800b87a0900 ffff8801db4077a0 ffffffff81c5c66f ffff8801ce9b4218
Call Trace:
 <IRQ>  [<ffffffff81cc930f>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81cc930f>] dump_stack+0x8e/0xcf lib/dump_stack.c:51
 [<ffffffff812387cd>] spin_dump+0x14d/0x280 kernel/locking/spinlock_debug.c:67
 [<ffffffff81238bb8>] spin_bug kernel/locking/spinlock_debug.c:75 [inline]
 [<ffffffff81238bb8>] debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
 [<ffffffff81238bb8>] do_raw_spin_lock+0x228/0x2c0 kernel/locking/spinlock_debug.c:135
 [<ffffffff8374a026>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 [<ffffffff8374a026>] _raw_spin_lock_irqsave+0x56/0x70 kernel/locking/spinlock.c:159
 [<ffffffff8121158e>] __wake_up+0x1e/0x50 kernel/sched/wait.c:94
 [<ffffffff82567c15>] sg_rq_end_io+0x555/0xd20 drivers/scsi/sg.c:1396
 [<ffffffff81c5ec84>] __blk_mq_end_request+0x44/0xa0 block/blk-mq.c:311
 [<ffffffff824cf446>] scsi_end_request+0x116/0x5a0 drivers/scsi/scsi_lib.c:716
 [<ffffffff824d8a01>] scsi_io_completion+0x1b01/0x1df0 drivers/scsi/scsi_lib.c:918
 [<ffffffff824bc463>] scsi_finish_command+0x373/0x4e0 drivers/scsi/scsi.c:607
 [<ffffffff824d5b7c>] scsi_softirq_done+0x21c/0x330 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81c60d75>] blk_mq_ipi_complete_request block/blk-mq.c:356 [inline]
 [<ffffffff81c60d75>] __blk_mq_complete_request+0x1e5/0x4b0 block/blk-mq.c:368
 [<ffffffff81c6108f>] blk_mq_complete_request+0x4f/0x70 block/blk-mq.c:387
 [<ffffffff824d28cc>] scsi_mq_done+0xec/0x350 drivers/scsi/scsi_lib.c:1964
 [<ffffffff824fa492>] virtscsi_complete_cmd+0x552/0x740 drivers/scsi/virtio_scsi.c:210
 [<ffffffff824f81d3>] virtscsi_vq_done+0xb3/0x130 drivers/scsi/virtio_scsi.c:228
 [<ffffffff824f82f1>] virtscsi_req_done+0xa1/0xc0 drivers/scsi/virtio_scsi.c:243
 [<ffffffff81ee3d3a>] vring_interrupt+0xea/0x150 drivers/virtio/virtio_ring.c:722
 [<ffffffff8125ce07>] handle_irq_event_percpu+0xe7/0x850 kernel/irq/handle.c:146
 [<ffffffff8125d612>] handle_irq_event+0xa2/0x130 kernel/irq/handle.c:194
 [<ffffffff81266f21>] handle_edge_irq+0x1e1/0x840 kernel/irq/chip.c:623
 [<ffffffff81015950>] generic_handle_irq_desc include/linux/irqdesc.h:140 [inline]
 [<ffffffff81015950>] handle_irq+0x250/0x3a0 arch/x86/kernel/irq_64.c:78
 [<ffffffff8374caa9>] do_IRQ+0x89/0x1b0 arch/x86/kernel/irq.c:240
 [<ffffffff8374aecc>] common_interrupt+0x8c/0x8c arch/x86/entry/entry_64.S:553
 [<ffffffff811352f9>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff811352f9>] irq_exit+0x119/0x140 kernel/softirq.c:391
 [<ffffffff8374cc4b>] exiting_irq arch/x86/include/asm/apic.h:653 [inline]
 [<ffffffff8374cc4b>] smp_apic_timer_interrupt+0x7b/0xa0 arch/x86/kernel/apic/apic.c:926
 [<ffffffff8374bcec>] apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:695
 <EOI>  [<ffffffff825f1b00>] ? remote_port_store+0xf0/0xf0 drivers/net/netconsole.c:472
 [<ffffffff8125966c>] vprintk_emit+0x47c/0x6f0 kernel/printk/printk.c:1832
 [<ffffffff812598fa>] vprintk+0x1a/0x20 kernel/printk/printk.c:1843
 [<ffffffff81259909>] vprintk_default+0x9/0x10 kernel/printk/printk.c:1844
 [<ffffffff813fb7bd>] printk+0x9c/0xc3 kernel/printk/printk.c:1922
 [<ffffffff810e9ea8>] kasan_die_handler+0x28/0x30 arch/x86/mm/kasan_init_64.c:59
 [<ffffffff8118755b>] notifier_call_chain+0x8b/0x170 kernel/notifier.c:93
 [<ffffffff811889b7>] __atomic_notifier_call_chain kernel/notifier.c:183 [inline]
 [<ffffffff811889b7>] atomic_notifier_call_chain+0x67/0x100 kernel/notifier.c:193
 [<ffffffff81188ae9>] notify_die+0x99/0x100 kernel/notifier.c:549
 [<ffffffff81010fa7>] do_general_protection+0x2f7/0x390 arch/x86/kernel/traps.c:461
 [<ffffffff8374b678>] general_protection+0x28/0x30 arch/x86/entry/entry_64.S:990
 [<ffffffff82564a1c>] sg_remove_scat.isra.18+0x19c/0x2b0 drivers/scsi/sg.c:1964
 [<ffffffff82564d98>] sg_finish_rem_req+0x268/0x2f0 drivers/scsi/sg.c:1846
 [<ffffffff82565118>] sg_new_read.isra.19+0x2f8/0x390 drivers/scsi/sg.c:578
 [<ffffffff825667b9>] sg_read+0x709/0x1260 drivers/scsi/sg.c:467
 [<ffffffff814f6c7c>] do_loop_readv_writev+0x11c/0x1e0 fs/read_write.c:680
 [<ffffffff814f8dd2>] do_readv_writev+0x552/0x660 fs/read_write.c:810
 [<ffffffff814f8f3a>] vfs_readv+0x5a/0xa0 fs/read_write.c:834
 [<ffffffff814fb413>] SYSC_readv fs/read_write.c:860 [inline]
 [<ffffffff814fb413>] SyS_readv+0xd3/0x260 fs/read_write.c:852
 [<ffffffff8374a3b6>] entry_SYSCALL_64_fastpath+0x16/0x76
device gre0 entered promiscuous mode
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 7361 Comm: syz-executor3 Not tainted 4.4.106-g2fea039 #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800bb9b4680 task.stack: ffff8800b4618000
RIP: 0010:[<ffffffff81413671>]  [<ffffffff81413671>] __read_once_size include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff81413671>]  [<ffffffff81413671>] atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:[<ffffffff81413671>]  [<ffffffff81413671>] put_page_testzero include/linux/mm.h:357 [inline]
RIP: 0010:[<ffffffff81413671>]  [<ffffffff81413671>] __free_pages+0x21/0x90 mm/page_alloc.c:3365
RSP: 0018:ffff8800b461fa20  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: 0000000000000020
RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c
RBP: ffff8800b461fa30 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff100168c3f20 R12: ffff8800b113a100
R13: dffffc0000000000 R14: 0000000000000004 R15: ffff8800b113a268
FS:  00007f2db8219700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000041b190 CR3: 00000000bb21d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8374af39 ffff8800b113a258 ffff8800b461fa90 ffffffff82564a1c
 0000000000000960 ffff8800b113a270 ffffed001622744b ffffed001622744e
 0000000000000020 ffff8800b113a240 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff82564a1c>] sg_remove_scat.isra.18+0x19c/0x2b0 drivers/scsi/sg.c:1964
 [<ffffffff82564d98>] sg_finish_rem_req+0x268/0x2f0 drivers/scsi/sg.c:1846
 [<ffffffff82565118>] sg_new_read.isra.19+0x2f8/0x390 drivers/scsi/sg.c:578
 [<ffffffff825667b9>] sg_read+0x709/0x1260 drivers/scsi/sg.c:467
 [<ffffffff814f6c7c>] do_loop_readv_writev+0x11c/0x1e0 fs/read_write.c:680
 [<ffffffff814f8dd2>] do_readv_writev+0x552/0x660 fs/read_write.c:810
 [<ffffffff814f8f3a>] vfs_readv+0x5a/0xa0 fs/read_write.c:834
 [<ffffffff814fb413>] SYSC_readv fs/read_write.c:860 [inline]
 [<ffffffff814fb413>] SyS_readv+0xd3/0x260 fs/read_write.c:852
 [<ffffffff8374a3b6>] entry_SYSCALL_64_fastpath+0x16/0x76
Code: 36 6e 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  [<ffffffff81413671>] __read_once_size include/linux/compiler.h:218 [inline]
RIP  [<ffffffff81413671>] atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP  [<ffffffff81413671>] put_page_testzero include/linux/mm.h:357 [inline]
RIP  [<ffffffff81413671>] __free_pages+0x21/0x90 mm/page_alloc.c:3365
 RSP <ffff8800b461fa20>
---[ end trace af0519b2c73c9fe3 ]---