BUG: Bad page map in process syz.5.1610 pte:ffff8881e829f1c0 pmd:1d52ab067 addr:00007fa786039000 vm_flags:00100073 anon_vma:ffff8881ed2e4930 mapping:0000000000000000 index:7fa786039 file:(null) fault:0x0 mmap:0x0 readpage:0x0 CPU: 0 PID: 6901 Comm: syz.5.1610 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x241 lib/dump_stack.c:118 print_bad_pte+0x511/0x530 mm/memory.c:560 vm_normal_page+0x135/0x1d0 mm/memory.c:649 zap_pte_range mm/memory.c:1078 [inline] zap_pmd_range mm/memory.c:1222 [inline] zap_pud_range mm/memory.c:1251 [inline] zap_p4d_range mm/memory.c:1272 [inline] unmap_page_range+0xc00/0x2620 mm/memory.c:1293 unmap_single_vma mm/memory.c:1338 [inline] unmap_vmas+0x355/0x4b0 mm/memory.c:1370 exit_mmap+0x2bc/0x520 mm/mmap.c:3191 __mmput+0x8e/0x2c0 kernel/fork.c:1101 exit_mm kernel/exit.c:538 [inline] do_exit+0xc08/0x2bc0 kernel/exit.c:848 do_group_exit+0x138/0x300 kernel/exit.c:984 get_signal+0xdb1/0x1440 kernel/signal.c:2738 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7fa785460de9 Code: Bad RIP value. RSP: 002b:00007fa783aaa0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fa78567a088 RCX: 00007fa785460de9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa78567a088 RBP: 00007fa78567a080 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa78567a08c R13: 0000000000000000 R14: 00007ffc3f04c5c0 R15: 00007ffc3f04c6a8