------------[ cut here ]------------
WARNING: CPU: 3 PID: 29417 at drivers/scsi/scsi_lib.c:1032 scsi_alloc_sgtables+0xc7d/0xf70 drivers/scsi/scsi_lib.c:1032
Modules linked in:
CPU: 3 PID: 29417 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:scsi_alloc_sgtables+0xc7d/0xf70 drivers/scsi/scsi_lib.c:1032
Code: e5 fc 31 ff 44 89 f6 e8 b1 b3 e5 fc 45 85 f6 0f 84 1a f5 ff ff e8 83 b1 e5 fc 83 c5 01 0f b7 ed e9 0f f5 ff ff e8 73 b1 e5 fc <0f> 0b 41 bc 0a 00 00 00 e9 2b fb ff ff 41 bc 09 00 00 00 e9 20 fb
RSP: 0018:ffffc90004037560 EFLAGS: 00010216
RAX: 0000000000000a0a RBX: ffff88801c4265e0 RCX: ffffc9000f3f1000
RDX: 0000000000040000 RSI: ffffffff84914f0d RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000
R10: ffffffff84914edb R11: 0000000000000000 R12: ffff888014596000
R13: ffff88801c4264c0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f682281c700(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e822000 CR3: 0000000045cab000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 scsi_setup_scsi_cmnd drivers/scsi/scsi_lib.c:1219 [inline]
 scsi_prepare_cmd drivers/scsi/scsi_lib.c:1614 [inline]
 scsi_queue_rq+0x283e/0x3630 drivers/scsi/scsi_lib.c:1730
 blk_mq_dispatch_rq_list+0x6ea/0x22e0 block/blk-mq.c:1851
 __blk_mq_sched_dispatch_requests+0x20b/0x410 block/blk-mq-sched.c:299
 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:332
 __blk_mq_run_hw_queue+0xf9/0x350 block/blk-mq.c:1968
 __blk_mq_delay_run_hw_queue+0x547/0x640 block/blk-mq.c:2045
 blk_mq_run_hw_queue+0x30f/0x480 block/blk-mq.c:2096
 blk_mq_sched_insert_request+0x340/0x440 block/blk-mq-sched.c:451
 blk_execute_rq+0xcc/0x340 block/blk-mq.c:1231
 sg_io+0x67c/0x1210 drivers/scsi/scsi_ioctl.c:485
 scsi_ioctl_sg_io drivers/scsi/scsi_ioctl.c:866 [inline]
 scsi_ioctl+0xa66/0x1560 drivers/scsi/scsi_ioctl.c:921
 sr_block_ioctl+0x1cb/0x210 drivers/scsi/sr.c:586
 blkdev_ioctl+0x37a/0x800 block/ioctl.c:588
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6823ea6fe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f682281c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6823fb9f60 RCX: 00007f6823ea6fe9
RDX: 0000000020000780 RSI: 0000000000002285 RDI: 0000000000000003
RBP: 00007f6823f0108d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffac1e992f R14: 00007f682281c300 R15: 0000000000022000
 </TASK>