WARNING: CPU: 0 PID: 9355 at drivers/gpu/drm/drm_gem_shmem_helper.c:562 drm_gem_shmem_get_pages drivers/gpu/drm/drm_gem_shmem_helper.c:187 [inline]
WARNING: CPU: 0 PID: 9355 at drivers/gpu/drm/drm_gem_shmem_helper.c:562 drm_gem_shmem_vm_open+0x8f/0x210 drivers/gpu/drm/drm_gem_shmem_helper.c:561
Modules linked in:
CPU: 0 PID: 9355 Comm: syz-executor.3 Not tainted 5.15.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:drm_gem_shmem_vm_open+0x8f/0x210 drivers/gpu/drm/drm_gem_shmem_helper.c:562
Code: e8 86 94 d7 fc 4d 8d be 30 02 00 00 4c 89 ff 31 f6 e8 05 2c 50 05 89 c3 31 ff 89 c6 e8 7a 98 d7 fc 85 db 74 0c e8 61 94 d7 fc <0f> 0b e9 e4 00 00 00 4c 89 e5 4c 89 e8 4d 8d ae c8 02 00 00 4d 89
RSP: 0018:ffffc90004dc7980 EFLAGS: 00010287
RAX: ffffffff84aade3f RBX: 00000000fffffffc RCX: 0000000000040000
RDX: ffffc900103e4000 RSI: 0000000000002208 RDI: 0000000000002209
RBP: ffff888145f23930 R08: ffffffff84aade36 R09: ffffed10173864a2
R10: ffffed10173864a2 R11: 0000000000000000 R12: ffff88801d4e2d68
R13: dffffc0000000000 R14: ffff888145f23800 R15: ffff888145f23a30
FS:  00007f4f5c591700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d023000 CR3: 0000000096e09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __split_vma+0x27a/0x4a0 mm/mmap.c:2737
 __do_munmap+0x417/0x1e80 mm/mmap.c:2850
 do_munmap mm/mmap.c:2895 [inline]
 munmap_vma_range mm/mmap.c:603 [inline]
 mmap_region+0x9e8/0x1b60 mm/mmap.c:1742
 do_mmap+0x88b/0xf30 mm/mmap.c:1575
 vm_mmap_pgoff+0x1e5/0x2f0 mm/util.c:519
 ksys_mmap_pgoff+0x4a4/0x740 mm/mmap.c:1624
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4f5f01a922
Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 bc ff ff ff 64
RSP: 002b:00007f4f5c5910f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f4f5f01a922
RDX: 0000000000000003 RSI: 0000000000004940 RDI: 000000002017c000
RBP: 000000002017c000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100
R13: 0000000020190000 R14: 0000000000000000 R15: 000000002017c000