------------[ cut here ]------------
WARNING: CPU: 0 PID: 4997 at drivers/iommu/iommufd/selftest.c:762 iommufd_test_check_pages drivers/iommu/iommufd/selftest.c:762 [inline]
WARNING: CPU: 0 PID: 4997 at drivers/iommu/iommufd/selftest.c:762 iommufd_test_access_pages drivers/iommu/iommufd/selftest.c:831 [inline]
WARNING: CPU: 0 PID: 4997 at drivers/iommu/iommufd/selftest.c:762 iommufd_test+0x1bed/0x2c20 drivers/iommu/iommufd/selftest.c:964
Modules linked in:
CPU: 0 PID: 4997 Comm: syz-executor389 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:iommufd_test_check_pages drivers/iommu/iommufd/selftest.c:762 [inline]
RIP: 0010:iommufd_test_access_pages drivers/iommu/iommufd/selftest.c:831 [inline]
RIP: 0010:iommufd_test+0x1bed/0x2c20 drivers/iommu/iommufd/selftest.c:964
Code: 48 85 db 0f 88 36 0a 00 00 e8 df bb ed fc 48 89 de bf 01 00 00 00 e8 12 b8 ed fc 48 83 fb 01 0f 84 51 ff ff ff e8 c3 bb ed fc <0f> 0b 41 bf f2 ff ff ff e8 b6 bb ed fc e8 b1 bb ed fc 48 8b 54 24
RSP: 0018:ffffc90003a6fcd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880183c1dc0 RSI: ffffffff84968b1d RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffffffff7b
R13: ffff888015661410 R14: 0000000000000001 R15: ffffc90003a6fd68
FS:  00005555569b2300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 0000000072c6f000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 iommufd_fops_ioctl+0x317/0x4b0 drivers/iommu/iommufd/main.c:337
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7febccdb8d79
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdab6d9918 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febccdb8d79
RDX: 0000000020000280 RSI: 0000000000003ba0 RDI: 0000000000000004
RBP: 00007febccd7cf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007febccd7cfb0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>