------------[ cut here ]------------ kernel BUG at include/linux/swapops.h:258! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 31671 Comm: syz-executor.4 Tainted: G S 5.17.0-rc6-next-20220303-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pfn_swap_entry_to_page include/linux/swapops.h:258 [inline] RIP: 0010:zap_huge_pmd+0x117c/0x1780 mm/huge_memory.c:1593 Code: 03 80 3c 01 00 0f 85 58 05 00 00 4c 8b 2a 31 ff 41 83 e5 01 44 89 ee e8 72 97 b1 ff 45 84 ed 0f 85 af f5 ff ff e8 84 93 b1 ff <0f> 0b e8 7d 93 b1 ff 48 c7 c6 60 63 d9 89 48 89 ef e8 5e 7e e7 ff RSP: 0018:ffffc9000383f728 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffea0000f90000 RCX: 0000000000000000 RDX: ffff88802293d7c0 RSI: ffffffff81c7930c RDI: 0000000000000003 RBP: ffffc9000383fa40 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81c792fe R11: 0000000000000000 R12: ffff88802535a810 R13: 0000000000000000 R14: ffffea0000f90008 R15: ffff88801d8af660 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32f26000 CR3: 000000001de57000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000031 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: zap_pmd_range mm/memory.c:1473 [inline] zap_pud_range mm/memory.c:1526 [inline] zap_p4d_range mm/memory.c:1547 [inline] unmap_page_range+0x22e4/0x3fa0 mm/memory.c:1568 unmap_single_vma+0x198/0x310 mm/memory.c:1613 unmap_vmas+0x16b/0x2f0 mm/memory.c:1645 exit_mmap+0x1c4/0x4a0 mm/mmap.c:3150 __mmput+0x122/0x4b0 kernel/fork.c:1183 mmput+0x56/0x60 kernel/fork.c:1205 exit_mm kernel/exit.c:507 [inline] do_exit+0xa0d/0x2a30 kernel/exit.c:779 do_group_exit+0xd2/0x2f0 kernel/exit.c:922 get_signal+0x4b0/0x28c0 kernel/signal.c:2863 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:149 [inline] exit_to_user_mode_loop kernel/entry/common.c:173 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f6c1fa89049 Code: Unable to access opcode bytes at RIP 0x7f6c1fa8901f. RSP: 002b:00007f6c20be9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f6c1fb9c038 RCX: 00007f6c1fa89049 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f6c1fb9c03c RBP: 00007f6c1fb9c030 R08: 00007fff544d1080 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c1fb9c03c R13: 00007fff544b4a9f R14: 00007f6c20be9300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pfn_swap_entry_to_page include/linux/swapops.h:258 [inline] RIP: 0010:zap_huge_pmd+0x117c/0x1780 mm/huge_memory.c:1593 Code: 03 80 3c 01 00 0f 85 58 05 00 00 4c 8b 2a 31 ff 41 83 e5 01 44 89 ee e8 72 97 b1 ff 45 84 ed 0f 85 af f5 ff ff e8 84 93 b1 ff <0f> 0b e8 7d 93 b1 ff 48 c7 c6 60 63 d9 89 48 89 ef e8 5e 7e e7 ff RSP: 0018:ffffc9000383f728 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffea0000f90000 RCX: 0000000000000000 RDX: ffff88802293d7c0 RSI: ffffffff81c7930c RDI: 0000000000000003 RBP: ffffc9000383fa40 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81c792fe R11: 0000000000000000 R12: ffff88802535a810 R13: 0000000000000000 R14: ffffea0000f90008 R15: ffff88801d8af660 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32f26000 CR3: 000000001de57000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000031 DR6: 00000000ffff0ff0 DR7: 0000000000000400