general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 8446 Comm: syz-executor215 Not tainted 5.11.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:scsi_command_size include/scsi/scsi_common.h:24 [inline] RIP: 0010:scsi_setup_scsi_cmnd drivers/scsi/scsi_lib.c:1199 [inline] RIP: 0010:scsi_prepare_cmd drivers/scsi/scsi_lib.c:1583 [inline] RIP: 0010:scsi_queue_rq+0x243c/0x31e0 drivers/scsi/scsi_lib.c:1672 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 ca 0b 00 00 48 8b 8b 58 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 c1 ea 03 <0f> b6 04 02 48 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 85 0b 00 00 RSP: 0018:ffffc90001287590 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88801dc82800 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8468dac9 RDI: 0000000000000003 RBP: ffff888013a0c000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8468dab3 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801dc82a58 R14: ffff8881443a0000 R15: 0000000000000000 FS: 00007f56a69bc700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe1f023740 CR3: 000000001496f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blk_mq_dispatch_rq_list+0x3a1/0x1ea0 block/blk-mq.c:1396 __blk_mq_sched_dispatch_requests+0x263/0x490 block/blk-mq-sched.c:308 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:341 __blk_mq_run_hw_queue+0xd8/0x150 block/blk-mq.c:1515 __blk_mq_delay_run_hw_queue+0x522/0x5f0 block/blk-mq.c:1592 blk_mq_run_hw_queue+0x16c/0x2f0 block/blk-mq.c:1645 blk_mq_sched_insert_request+0x3f4/0x4d0 block/blk-mq-sched.c:467 blk_execute_rq+0xd4/0x1b0 block/blk-exec.c:86 sg_io+0x609/0xf50 block/scsi_ioctl.c:360 scsi_cmd_ioctl+0x519/0x580 block/scsi_ioctl.c:809 scsi_cmd_blk_ioctl block/scsi_ioctl.c:867 [inline] scsi_cmd_blk_ioctl+0xdb/0x120 block/scsi_ioctl.c:858 sd_ioctl_common+0x178/0x280 drivers/scsi/sd.c:1575 sd_ioctl+0x26/0xf0 drivers/scsi/sd.c:1763 blkdev_ioctl+0x29b/0x6c0 block/ioctl.c:576 block_ioctl+0xf9/0x140 fs/block_dev.c:1658 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x445569 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f56a69bc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004cc4e0 RCX: 0000000000445569 RDX: 00000000200046c0 RSI: 0000000000002285 RDI: 0000000000000004 RBP: 000000000049c03c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 000000000049c060 R14: 2f30656c69662f2e R15: 00000000004cc4e8 Modules linked in: ---[ end trace ff2c96f3a0b35c0c ]--- RIP: 0010:scsi_command_size include/scsi/scsi_common.h:24 [inline] RIP: 0010:scsi_setup_scsi_cmnd drivers/scsi/scsi_lib.c:1199 [inline] RIP: 0010:scsi_prepare_cmd drivers/scsi/scsi_lib.c:1583 [inline] RIP: 0010:scsi_queue_rq+0x243c/0x31e0 drivers/scsi/scsi_lib.c:1672 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 ca 0b 00 00 48 8b 8b 58 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 c1 ea 03 <0f> b6 04 02 48 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 85 0b 00 00 RSP: 0018:ffffc90001287590 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88801dc82800 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8468dac9 RDI: 0000000000000003 RBP: ffff888013a0c000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8468dab3 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801dc82a58 R14: ffff8881443a0000 R15: 0000000000000000 FS: 00007f56a69bc700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CR2: 00007fbe1f023740 CR3: 000000001496f000 CR4: 00000000001506e0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400