anon flags: 0x1fffc000009000d(locked|uptodate|dirty|head|swapbacked) raw: 01fffc000009000d dead000000000100 dead000000000200 ffff888058098129 raw: 0000000000020000 0000000000000000 0000020000000000 ffff888093f767c0 page dumped because: VM_BUG_ON_PAGE(compound_mapcount(head)) page->mem_cgroup:ffff888093f767c0 ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:2716! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25372 Comm: syz-executor.3 Not tainted 5.1.0-rc5+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:split_huge_page_to_list+0x20cc/0x2de0 mm/huge_memory.c:2716 Code: e8 49 34 c5 ff 48 c7 c6 80 2b 74 87 4c 89 e7 e8 1a a2 ee ff 0f 0b e8 33 34 c5 ff 48 c7 c6 c0 2b 74 87 4c 89 e7 e8 04 a2 ee ff <0f> 0b e8 1d 34 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff888159da6e30 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffea0000958080 RCX: ffffc9000c84c000 RDX: 0000000000040000 RSI: ffffffff819a0b12 RDI: ffffed102b3b4daa RBP: ffff888159da6fa0 R08: 0000000000000021 R09: ffffed1015d03ef1 R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: ffffea0000958000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000958054 FS: 00007faa84798700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f544be140 CR3: 0000000011a57000 CR4: 00000000001426f0 Call Trace: split_huge_page include/linux/huge_mm.h:148 [inline] deferred_split_scan+0x64b/0xa60 mm/huge_memory.c:2853 do_shrink_slab+0x400/0xa80 mm/vmscan.c:551 shrink_slab mm/vmscan.c:700 [inline] shrink_slab+0x4be/0x5e0 mm/vmscan.c:680 shrink_node+0x552/0x1570 mm/vmscan.c:2717 shrink_zones mm/vmscan.c:2946 [inline] do_try_to_free_pages+0x3cb/0x11e0 mm/vmscan.c:3004 try_to_free_pages+0x294/0x8c0 mm/vmscan.c:3220 __perform_reclaim mm/page_alloc.c:3993 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4015 [inline] __alloc_pages_slowpath+0x9b9/0x28b0 mm/page_alloc.c:4408 __alloc_pages_nodemask+0x57e/0x7e0 mm/page_alloc.c:4622 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2132 alloc_pages include/linux/gfp.h:509 [inline] __vmalloc_area_node mm/vmalloc.c:1709 [inline] __vmalloc_node_range+0x4b0/0x790 mm/vmalloc.c:1771 __vmalloc_node mm/vmalloc.c:1826 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1848 kvmalloc_node+0xdc/0x100 mm/util.c:439 kvmalloc include/linux/mm.h:605 [inline] kvzalloc include/linux/mm.h:613 [inline] drm_property_create_blob.part.0+0x32/0x320 drivers/gpu/drm/drm_property.c:562 drm_property_create_blob drivers/gpu/drm/drm_property.c:815 [inline] drm_mode_createblob_ioctl+0x131/0x480 drivers/gpu/drm/drm_property.c:791 drm_ioctl_kernel+0x23e/0x2e0 drivers/gpu/drm/drm_ioctl.c:770 drm_ioctl+0x545/0xa50 drivers/gpu/drm/drm_ioctl.c:870 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007faa84797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 00000000200000c0 RSI: ffffffffffffffbd RDI: 0000000000000003 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa847986d4 R13: 00000000004bfe5a R14: 00000000004d21b0 R15: 00000000ffffffff Modules linked in: ---[ end trace ac089ef6e6b95994 ]--- RIP: 0010:split_huge_page_to_list+0x20cc/0x2de0 mm/huge_memory.c:2716 Code: e8 49 34 c5 ff 48 c7 c6 80 2b 74 87 4c 89 e7 e8 1a a2 ee ff 0f 0b e8 33 34 c5 ff 48 c7 c6 c0 2b 74 87 4c 89 e7 e8 04 a2 ee ff <0f> 0b e8 1d 34 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff888159da6e30 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffea0000958080 RCX: ffffc9000c84c000 RDX: 0000000000040000 RSI: ffffffff819a0b12 RDI: ffffed102b3b4daa RBP: ffff888159da6fa0 R08: 0000000000000021 R09: ffffed1015d03ef1 R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: ffffea0000958000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000958054 FS: 00007faa84798700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007860d0 CR3: 0000000011a57000 CR4: 00000000001426f0