sd 0:0:1:0: [sg0] tag#397 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#397 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#397 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#397 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#397 CDB[20]: 00 00 00 BUG: spinlock bad magic on CPU#0, syz-executor7/13665 lock: 0xffff8801ce47a118, .magic: dead4eac, .owner: /-1, .owner_cpu: -1 CPU: 0 PID: 13665 Comm: syz-executor7 Not tainted 4.9.88-g71df7bb #8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cfd37210 ffffffff81d95f19 ffff8801ce47a118 ffff8801d033c800 0000000000000001 0000000000000001 0000000000000000 ffff8801cfd37250 ffffffff81248e8d ffffffff812241ce 0000000000000000 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] spin_dump+0x14d/0x280 kernel/locking/spinlock_debug.c:67 [] spin_bug kernel/locking/spinlock_debug.c:75 [inline] [] debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] [] do_raw_spin_lock+0x174/0x1e0 kernel/locking/spinlock_debug.c:112 [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] [] _raw_spin_lock_irqsave+0x56/0x70 kernel/locking/spinlock.c:159 [] __wake_up+0x1e/0x50 kernel/sched/wait.c:94 [] sg_rq_end_io+0x5dc/0xbc0 drivers/scsi/sg.c:1375 [] __blk_mq_end_request+0x54/0xc0 block/blk-mq.c:331 [] scsi_end_request+0x135/0x5c0 drivers/scsi/scsi_lib.c:627 [] scsi_io_completion+0x965/0x1730 drivers/scsi/scsi_lib.c:966 [] scsi_finish_command+0x3b8/0x530 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x250/0x350 drivers/scsi/scsi_lib.c:1567 [] blk_mq_ipi_complete_request block/blk-mq.c:376 [inline] [] __blk_mq_complete_request+0x205/0x4b0 block/blk-mq.c:388 [] blk_mq_complete_request+0x65/0x80 block/blk-mq.c:407 [] scsi_mq_done+0xce/0x320 drivers/scsi/scsi_lib.c:1877 [] scsi_dispatch_cmd+0x2b1/0x990 drivers/scsi/scsi_lib.c:1648 [] scsi_queue_rq+0x1170/0x19f0 drivers/scsi/scsi_lib.c:1924 [] __blk_mq_run_hw_queue+0x854/0xe30 block/blk-mq.c:826 [] blk_mq_run_hw_queue+0x13e/0x1c0 block/blk-mq.c:911 [] blk_mq_insert_request+0x240/0x5c0 block/blk-mq.c:1053 [] blk_execute_rq_nowait+0x12c/0x320 block/blk-exec.c:68 [] sg_common_write.isra.23+0xcb3/0x18c0 drivers/scsi/sg.c:805 [] sg_new_write.isra.26+0x5e0/0x940 drivers/scsi/sg.c:748 [] sg_ioctl+0x16f8/0x2a00 drivers/scsi/sg.c:889 [] vfs_ioctl+0x6f/0xb0 fs/ioctl.c:43 [] do_ioctl+0x40/0x60 fs/compat_ioctl.c:136 [] sg_ioctl_trans fs/compat_ioctl.c:374 [inline] [] do_ioctl_trans fs/compat_ioctl.c:1464 [inline] [] C_SYSC_ioctl fs/compat_ioctl.c:1615 [inline] [] compat_SyS_ioctl+0x1e27/0x2050 fs/compat_ioctl.c:1549 [] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline] [] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13683 Comm: syz-executor0 Not tainted 4.9.88-g71df7bb #8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cfda4800 task.stack: ffff8801c91f8000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3897 RSP: 0018:ffff8801c91ff930 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82669b0b RDX: 1bd5a9d5a0000003 RSI: 0000000000000006 RDI: dead4ead0000001c RBP: ffff8801c91ff940 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801cfda4800 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801d90e8000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f6f95b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020011fd2 CR3: 00000001b85ae000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801cfda4800 ffff8801d90e8158 ffff8801c91ff9a0 ffffffff82669b31 ffff8801d90e8170 ffffed003b21d02b ffffed003b21d02e ffff8801d90e8168 dead4ead00000000 ffff8801d90e8140 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1944 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1825 [] sg_new_read.isra.20+0x39/0x3e0 drivers/scsi/sg.c:566 [] sg_read+0x8b7/0x1440 drivers/scsi/sg.c:455 [] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715 [] do_loop_readv_writev fs/read_write.c:1097 [inline] [] compat_do_readv_writev+0x5ff/0x740 fs/read_write.c:1091 [] compat_readv+0xe3/0x150 fs/read_write.c:1120 [] do_compat_readv+0xf4/0x1d0 fs/read_write.c:1140 [] C_SYSC_readv fs/read_write.c:1152 [inline] [] compat_SyS_readv+0x26/0x30 fs/read_write.c:1148 [] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline] [] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Code: e9 27 fc ff ff 0f 1f 44 00 00 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 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3897 RSP ---[ end trace f7b002dbcf2ec8fb ]---