page->mem_cgroup:ffff88821b6ea000 ------------[ cut here ]------------ kernel BUG at mm/vmscan.c:1523! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 18084 Comm: syz-executor.0 Not tainted 5.4.0-rc2+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:shrink_page_list+0x5c1d/0x61f0 mm/vmscan.c:1523 Code: df 16 00 48 89 da e9 29 fe ff ff e8 ad a6 dd ff eb 05 e8 a6 a6 dd ff 48 8b bd 40 ff ff ff 48 c7 c6 ca 00 39 88 e8 d3 34 07 00 <0f> 0b e8 8c a6 dd ff 48 89 df 48 c7 c6 44 c4 35 88 e8 bd 34 07 00 RSP: 0018:ffff888074e9f780 EFLAGS: 00010286 RAX: 0000000000000021 RBX: 0000000000100000 RCX: 672a0f5a7deae600 RDX: ffffc90008264000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff888074e9f970 R08: ffffffff815c8154 R09: ffffed1015d46120 R10: ffffed1015d46120 R11: 0000000000000000 R12: ffff888074e9fa18 R13: dffffc0000000000 R14: ffff888074e9f8d0 R15: 01fffc000030200c FS: 00007f5da6cd3700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000960004 CR3: 000000005f316000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reclaim_pages+0x78c/0xa20 mm/vmscan.c:2190 madvise_cold_or_pageout_pte_range+0x162c/0x1ef0 mm/madvise.c:453 walk_pmd_range mm/pagewalk.c:53 [inline] walk_pud_range mm/pagewalk.c:112 [inline] walk_p4d_range mm/pagewalk.c:139 [inline] walk_pgd_range mm/pagewalk.c:166 [inline] __walk_page_range+0xd5c/0x1720 mm/pagewalk.c:261 walk_page_range+0x2e7/0x5a0 mm/pagewalk.c:349 madvise_vma mm/madvise.c:506 [inline] __do_sys_madvise mm/madvise.c:1113 [inline] __se_sys_madvise+0x168c/0x24f0 mm/madvise.c:1039 __x64_sys_madvise+0x7b/0x90 mm/madvise.c:1039 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a59 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5da6cd2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59 RDX: 0000000000000015 RSI: 86ac726dff2f4713 RDI: 0000000020bdc000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5da6cd36d4 R13: 00000000004c60e0 R14: 00000000004daf98 R15: 00000000ffffffff Modules linked in: ---[ end trace 777ea886043aaba2 ]--- RIP: 0010:shrink_page_list+0x5c1d/0x61f0 mm/vmscan.c:1523 Code: df 16 00 48 89 da e9 29 fe ff ff e8 ad a6 dd ff eb 05 e8 a6 a6 dd ff 48 8b bd 40 ff ff ff 48 c7 c6 ca 00 39 88 e8 d3 34 07 00 <0f> 0b e8 8c a6 dd ff 48 89 df 48 c7 c6 44 c4 35 88 e8 bd 34 07 00 RSP: 0018:ffff888074e9f780 EFLAGS: 00010286 RAX: 0000000000000021 RBX: 0000000000100000 RCX: 672a0f5a7deae600 RDX: ffffc90008264000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff888074e9f970 R08: ffffffff815c8154 R09: ffffed1015d46120 R10: ffffed1015d46120 R11: 0000000000000000 R12: ffff888074e9fa18 R13: dffffc0000000000 R14: ffff888074e9f8d0 R15: 01fffc000030200c FS: 00007f5da6cd3700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000710158 CR3: 000000005f316000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400