tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:242 [inline] tlb_flush_mmu+0xe9/0x6b0 mm/mmu_gather.c:249 zap_pte_range mm/memory.c:1432 [inline] zap_pmd_range mm/memory.c:1481 [inline] zap_pud_range mm/memory.c:1510 [inline] zap_p4d_range mm/memory.c:1531 [inline] unmap_page_range+0x1c58/0x2a10 mm/memory.c:1552 unmap_single_vma+0x198/0x310 mm/memory.c:1597 unmap_vmas+0x16d/0x2f0 mm/memory.c:1629 exit_mmap+0x1d0/0x620 mm/mmap.c:3171 __mmput+0x122/0x4b0 kernel/fork.c:1114 mmput+0x58/0x60 kernel/fork.c:1135 exit_mm kernel/exit.c:501 [inline] do_exit+0xabc/0x2a30 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 __do_sys_exit_group kernel/exit.c:933 [inline] __se_sys_exit_group kernel/exit.c:931 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:931 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+0x44/0xae ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9363 at mm/huge_memory.c:2301 unmap_page mm/huge_memory.c:2301 [inline] WARNING: CPU: 1 PID: 9363 at mm/huge_memory.c:2301 split_huge_page_to_list+0x25b8/0x3d90 mm/huge_memory.c:2676 Modules linked in: CPU: 0 PID: 9363 Comm: syz-executor.4 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unmap_page mm/huge_memory.c:2301 [inline] RIP: 0010:split_huge_page_to_list+0x25b8/0x3d90 mm/huge_memory.c:2676 Code: 89 de e8 fb 46 b6 ff 84 db 0f 85 c4 e0 ff ff e8 3e 3f b6 ff 48 c7 c6 e0 11 98 89 48 89 ef e8 1f 68 e9 ff c6 05 af e4 9a 0b 01 <0f> 0b e9 a2 e0 ff ff bb 02 00 00 00 e9 10 f0 ff ff e8 12 3f b6 ff RSP: 0018:ffffc90018687288 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000e96e000 RDX: 0000000000040000 RSI: ffffffff81bf15e1 RDI: 0000000000000003 RBP: ffffea0000ea8000 R08: 0000000000000029 R09: 00000000ffffffff R10: ffffffff88f4664f R11: 00000000ffffffff R12: ffff88814018d2d8 R13: ffffea0000ea8008 R14: ffffea0000ea8000 R15: 0000000000000000 FS: 00007ffa045cf700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005451f8 CR3: 0000000048d9f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: split_huge_page include/linux/huge_mm.h:192 [inline] deferred_split_scan+0x5fa/0xbd0 mm/huge_memory.c:2836 do_shrink_slab+0x42d/0xbd0 mm/vmscan.c:758 shrink_slab+0x17c/0x6e0 mm/vmscan.c:918 drop_slab_node+0x9c/0x160 mm/vmscan.c:953 drop_slab+0x97/0x130 mm/vmscan.c:963 drop_caches_sysctl_handler+0xf6/0x110 fs/drop_caches.c:66 proc_sys_call_handler+0x346/0x630 fs/proc/proc_sysctl.c:586 call_write_iter include/linux/fs.h:2163 [inline] do_iter_readv_writev+0x472/0x750 fs/read_write.c:729 do_iter_write+0x188/0x710 fs/read_write.c:855 vfs_iter_write+0x70/0xa0 fs/read_write.c:896 iter_file_splice_write+0x6fa/0xc10 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x110/0x180 fs/splice.c:936 splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891 do_splice_direct+0x1b3/0x280 fs/splice.c:979 do_sendfile+0xae9/0x1240 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1314 [inline] __se_sys_sendfile64 fs/read_write.c:1300 [inline] __x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1300 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+0x44/0xae RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffa045cf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffec2ac23cf R14: 00007ffa045cf300 R15: 0000000000022000