free_unref_page_prepare mm/page_alloc.c:3401 [inline] free_unref_page+0x1d/0x490 mm/page_alloc.c:3496 free_contig_range+0xb5/0x180 mm/page_alloc.c:9544 destroy_args+0x6c4/0x920 mm/debug_vm_pgtable.c:1023 debug_vm_pgtable+0x242a/0x4640 mm/debug_vm_pgtable.c:1403 do_one_initcall+0x141/0x7d0 init/main.c:1306 do_initcall_level init/main.c:1379 [inline] do_initcalls init/main.c:1395 [inline] do_basic_setup init/main.c:1414 [inline] kernel_init_freeable+0x5ec/0x900 init/main.c:1634 kernel_init+0x1e/0x2c0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 ------------[ cut here ]------------ kernel BUG at mm/mmu_gather.c:139! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8896 Comm: syz-executor.0 Not tainted 6.2.0-rc7-next-20230208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__tlb_remove_page_size+0x24c/0x480 mm/mmu_gather.c:139 Code: 01 00 00 8b 6d 0c e9 e1 fe ff ff e8 ae 4e c1 ff 0f 0b e8 a7 4e c1 ff 4c 89 f7 48 c7 c6 00 7b 58 8a 48 83 e7 fc e8 04 f6 f9 ff <0f> 0b e8 8d 4e c1 ff 4c 8d 6b 24 48 b8 00 00 00 00 00 fc ff df 4c RSP: 0018:ffffc90003c276c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90003c27ac0 RCX: 0000000000000000 RDX: ffff88804595d7c0 RSI: ffffffff81c31f4c RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e75bd17 R10: fffffbfff1ceb7a2 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffea000139aac0 R15: ffffc90003c27ae8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3cc4ba8000 CR3: 000000000c56f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __tlb_remove_page include/asm-generic/tlb.h:472 [inline] zap_pte_range mm/memory.c:1416 [inline] zap_pmd_range mm/memory.c:1536 [inline] zap_pud_range mm/memory.c:1565 [inline] zap_p4d_range mm/memory.c:1586 [inline] unmap_page_range+0x1226/0x3ce0 mm/memory.c:1607 unmap_single_vma+0x194/0x2a0 mm/memory.c:1653 unmap_vmas+0x234/0x380 mm/memory.c:1692 exit_mmap+0x190/0x7d0 mm/mmap.c:3036 __mmput+0x128/0x4c0 kernel/fork.c:1209 mmput+0x60/0x70 kernel/fork.c:1231 exit_mm kernel/exit.c:563 [inline] do_exit+0x9d7/0x2b60 kernel/exit.c:856 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 get_signal+0x2321/0x25b0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3cc4a8c0f9 Code: Unable to access opcode bytes at 0x7f3cc4a8c0cf. RSP: 002b:00007f3cc58d5218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f3cc4babf88 RCX: 00007f3cc4a8c0f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3cc4babf88 RBP: 00007f3cc4babf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3cc4babf8c R13: 00007ffcc333358f R14: 00007f3cc58d5300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__tlb_remove_page_size+0x24c/0x480 mm/mmu_gather.c:139 Code: 01 00 00 8b 6d 0c e9 e1 fe ff ff e8 ae 4e c1 ff 0f 0b e8 a7 4e c1 ff 4c 89 f7 48 c7 c6 00 7b 58 8a 48 83 e7 fc e8 04 f6 f9 ff <0f> 0b e8 8d 4e c1 ff 4c 8d 6b 24 48 b8 00 00 00 00 00 fc ff df 4c RSP: 0018:ffffc90003c276c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90003c27ac0 RCX: 0000000000000000 RDX: ffff88804595d7c0 RSI: ffffffff81c31f4c RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e75bd17 R10: fffffbfff1ceb7a2 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffea000139aac0 R15: ffffc90003c27ae8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3cc4ba8000 CR3: 000000000c56f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400