__swap_info_get: Bad swap file entry 4003ffffffffffff BUG: Bad page map in process syz-executor.1 pte:8000000000000000 pmd:00100067 addr:00007f366b00c000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff888017458268 index:1fd file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 19548 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_bad_pte.cold+0x2bc/0x2e5 mm/memory.c:559 zap_pte_range mm/memory.c:1412 [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+0x2018/0x2a10 mm/memory.c:1552 unmap_single_vma+0x198/0x310 mm/memory.c:1597 unmap_vmas+0x16b/0x2f0 mm/memory.c:1629 exit_mmap+0x1d0/0x630 mm/mmap.c:3171 __mmput+0x122/0x4b0 kernel/fork.c:1114 mmput+0x56/0x60 kernel/fork.c:1135 exit_mm kernel/exit.c:502 [inline] do_exit+0xab8/0x2a20 kernel/exit.c:813 do_group_exit+0x125/0x310 kernel/exit.c:923 get_signal+0x47d/0x21d0 kernel/signal.c:2855 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f366be97ae9 Code: Unable to access opcode bytes at RIP 0x7f366be97abf. RSP: 002b:00007f366940d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f366bfaaf68 RCX: 00007f366be97ae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f366bfaaf68 RBP: 00007f366bfaaf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366bfaaf6c R13: 00007ffcb8be96ef R14: 00007f366940d300 R15: 0000000000022000 BUG: Bad rss-counter state mm:ffff88804629a080 type:MM_FILEPAGES val:1 BUG: Bad rss-counter state mm:ffff88804629a080 type:MM_SWAPENTS val:-1