------------[ cut here ]------------ WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_pages_pte_range mm/vmalloc.c:476 [inline] WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_pages_pmd_range mm/vmalloc.c:500 [inline] WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_pages_pud_range mm/vmalloc.c:518 [inline] WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_pages_p4d_range mm/vmalloc.c:536 [inline] WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_small_pages_range_noflush mm/vmalloc.c:558 [inline] WARNING: CPU: 1 PID: 5263 at mm/vmalloc.c:476 vmap_pages_range_noflush+0x992/0xb90 mm/vmalloc.c:587 Modules linked in: CPU: 0 PID: 5263 Comm: syz-executor.1 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.1[5263] cmdline: /root/syz-executor.1 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:vmap_pages_pte_range mm/vmalloc.c:476 [inline] RIP: 0010:vmap_pages_pmd_range mm/vmalloc.c:500 [inline] RIP: 0010:vmap_pages_pud_range mm/vmalloc.c:518 [inline] RIP: 0010:vmap_pages_p4d_range mm/vmalloc.c:536 [inline] RIP: 0010:vmap_small_pages_range_noflush mm/vmalloc.c:558 [inline] RIP: 0010:vmap_pages_range_noflush+0x992/0xb90 mm/vmalloc.c:587 Code: c7 c7 e0 fb f8 89 c6 05 1a 3e 0d 0c 01 e8 42 96 7e 07 0f 0b e9 48 fe ff ff e8 2a 9d bf ff 0f 0b e9 1d ff ff ff e8 1e 9d bf ff <0f> 0b e9 11 ff ff ff e8 12 9d bf ff 4c 8b 7c 24 20 4c 89 ff e8 e5 RSP: 0018:ffffc900063b7628 EFLAGS: 00010216 RAX: 000000000000a061 RBX: ffff8881485b8220 RCX: ffffc900064e9000 RDX: 0000000000040000 RSI: ffffffff81bc7832 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 8000000000000163 R14: dffffc0000000000 R15: ffffc90007044000 FS: 00007f4c21dde700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007a37b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmap_pages_range mm/vmalloc.c:621 [inline] vm_map_ram+0x36b/0xcc0 mm/vmalloc.c:2252 vb2_vmalloc_get_userptr+0x3e4/0x520 drivers/media/common/videobuf2/videobuf2-vmalloc.c:108 __prepare_userptr+0x31e/0x1580 drivers/media/common/videobuf2/videobuf2-core.c:1159 __buf_prepare+0x5e4/0x780 drivers/media/common/videobuf2/videobuf2-core.c:1401 vb2_core_qbuf+0xc3e/0x13f0 drivers/media/common/videobuf2/videobuf2-core.c:1703 vb2_qbuf+0x135/0x1a0 drivers/media/common/videobuf2/videobuf2-v4l2.c:829 v4l2_m2m_qbuf+0x18a/0x900 drivers/media/v4l2-core/v4l2-mem2mem.c:773 v4l_qbuf drivers/media/v4l2-core/v4l2-ioctl.c:2108 [inline] v4l_qbuf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2102 __video_do_ioctl+0xb99/0xe20 drivers/media/v4l2-core/v4l2-ioctl.c:3037 video_usercopy+0x3ab/0x1690 drivers/media/v4l2-core/v4l2-ioctl.c:3384 v4l2_ioctl+0x1b3/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 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+0x193/0x200 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7f4c22689279 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4c21dde168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4c2279c120 RCX: 00007f4c22689279 RDX: 0000000020000300 RSI: 00000000c058560f RDI: 0000000000000003 RBP: 00007f4c226e3189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4270f4af R14: 00007f4c21dde300 R15: 0000000000022000