call_mmap include/linux/fs.h:1990 [inline] mmap_region+0x6b9/0x28b0 mm/mmap.c:2754 do_mmap+0x893/0xef0 mm/mmap.c:1354 vm_mmap_pgoff+0x1a8/0x3b0 mm/util.c:546 ksys_mmap_pgoff+0x1c4/0x5b0 mm/mmap.c:1400 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:86 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd page_owner free stack trace missing ------------[ cut here ]------------ kernel BUG at mm/page_alloc.c:1101! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6321 Comm: syz-executor.0 Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:free_pages_prepare mm/page_alloc.c:1101 [inline] RIP: 0010:free_unref_page_prepare+0x885/0xa40 mm/page_alloc.c:2342 Code: 48 89 d7 e8 2d 32 f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 c0 be 99 8a 4c 89 ff e8 0b 32 f4 ff <0f> 0b 48 89 ef e8 61 de 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 54 de 0b RSP: 0018:ffffc90015c4f420 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000 RDX: ffff888020668000 RSI: ffffffff81d1ae65 RDI: 0000000000000000 RBP: ffffea0002410008 R08: 0000000000000000 R09: fffffbfff1d9c252 R10: ffffffff8ece1297 R11: 0000000000000000 R12: 0000000000090400 R13: 0000000000000009 R14: ffffea0002410040 R15: ffffea0002410000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4b386c66e4 CR3: 0000000027e3f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: free_unref_page+0x33/0x3b0 mm/page_alloc.c:2435 __update_and_free_hugetlb_folio+0x3c1/0x4a0 mm/hugetlb.c:1770 update_and_free_hugetlb_folio+0x82/0x120 mm/hugetlb.c:1826 update_and_free_pages_bulk+0xd2/0x230 mm/hugetlb.c:1848 return_unused_surplus_pages+0x232/0x300 mm/hugetlb.c:2643 hugetlb_acct_memory.part.0+0x622/0xa90 mm/hugetlb.c:4801 hugetlb_acct_memory mm/hugetlb.c:6861 [inline] hugetlb_unreserve_pages+0x21f/0x280 mm/hugetlb.c:6859 remove_inode_hugepages+0xcc5/0xe20 fs/hugetlbfs/inode.c:696 hugetlbfs_evict_inode+0x22/0x70 fs/hugetlbfs/inode.c:703 evict+0x2ed/0x6b0 fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput.part.0+0x55e/0x7a0 fs/inode.c:1801 iput+0x5c/0x80 fs/inode.c:1791 dentry_unlink_inode+0x292/0x430 fs/dcache.c:401 __dentry_kill+0x3b8/0x640 fs/dcache.c:607 dentry_kill fs/dcache.c:733 [inline] dput+0x8dd/0xfd0 fs/dcache.c:913 __fput+0x536/0xa70 fs/file_table.c:392 task_work_run+0x14d/0x240 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa99/0x2a20 kernel/exit.c:874 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 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:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f32b627cae9 Code: Unable to access opcode bytes at 0x7f32b627cabf. RSP: 002b:00007f32b700f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: 0000000020000000 RBX: 00007f32b639bf80 RCX: 00007f32b627cae9 RDX: 0000000000000004 RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f32b62c847a R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000068831 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f32b639bf80 R15: 00007ffd2609dfe8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:free_pages_prepare mm/page_alloc.c:1101 [inline] RIP: 0010:free_unref_page_prepare+0x885/0xa40 mm/page_alloc.c:2342 Code: 48 89 d7 e8 2d 32 f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 c0 be 99 8a 4c 89 ff e8 0b 32 f4 ff <0f> 0b 48 89 ef e8 61 de 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 54 de 0b RSP: 0018:ffffc90015c4f420 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000 RDX: ffff888020668000 RSI: ffffffff81d1ae65 RDI: 0000000000000000 RBP: ffffea0002410008 R08: 0000000000000000 R09: fffffbfff1d9c252 R10: ffffffff8ece1297 R11: 0000000000000000 R12: 0000000000090400 R13: 0000000000000009 R14: ffffea0002410040 R15: ffffea0002410000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac2ab78038 CR3: 000000003e5b8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400