__swap_info_get: Bad swap file entry 3fff9e780000a BUG: Bad page map in process systemd-udevd pte:c30ffffea00 pmd:15cc0067 addr:00007f1458e00000 vm_flags:08000070 anon_vma:0000000000000000 mapping:ffff888026695f18 index:eb file:libnss_files-2.24.so fault:ext4_filemap_fault mmap:ext4_file_mmap readpage:ext4_readpage CPU: 0 PID: 8438 Comm: systemd-udevd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 print_bad_pte.cold+0x2bc/0x2e5 mm/memory.c:560 zap_pte_range mm/memory.c:1316 [inline] zap_pmd_range mm/memory.c:1374 [inline] zap_pud_range mm/memory.c:1403 [inline] zap_p4d_range mm/memory.c:1424 [inline] unmap_page_range+0x1bcf/0x2650 mm/memory.c:1445 unmap_single_vma+0x198/0x300 mm/memory.c:1490 unmap_vmas+0x16d/0x2f0 mm/memory.c:1522 exit_mmap+0x2a8/0x590 mm/mmap.c:3207 __mmput+0x122/0x470 kernel/fork.c:1095 mmput+0x58/0x60 kernel/fork.c:1116 exit_mm kernel/exit.c:502 [inline] do_exit+0xb0a/0x2a70 kernel/exit.c:813 do_group_exit+0x125/0x310 kernel/exit.c:923 __do_sys_exit_group kernel/exit.c:934 [inline] __se_sys_exit_group kernel/exit.c:932 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:932 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f145a699618 Code: Unable to access opcode bytes at RIP 0x7f145a6995ee. RSP: 002b:00007ffe53aebea8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffe53aebf70 RCX: 00007f145a699618 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00007ffe53aec020 R08: 00000000000000e7 R09: fffffffffffffe50 R10: 00000000ffffffff R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e __swap_info_get: Bad swap file entry 3ffffffffffff BUG: Bad page map in process systemd-udevd pte:0000004e pmd:15cc0067 addr:00007f1458e01000 vm_flags:08000070 anon_vma:0000000000000000 mapping:ffff888026695f18 index:ec file:libnss_files-2.24.so fault:ext4_filemap_fault mmap:ext4_file_mmap readpage:ext4_readpage CPU: 1 PID: 8438 Comm: systemd-udevd Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 print_bad_pte.cold+0x2bc/0x2e5 mm/memory.c:560 zap_pte_range mm/memory.c:1316 [inline] zap_pmd_range mm/memory.c:1374 [inline] zap_pud_range mm/memory.c:1403 [inline] zap_p4d_range mm/memory.c:1424 [inline] unmap_page_range+0x1bcf/0x2650 mm/memory.c:1445 unmap_single_vma+0x198/0x300 mm/memory.c:1490 unmap_vmas+0x16d/0x2f0 mm/memory.c:1522 exit_mmap+0x2a8/0x590 mm/mmap.c:3207 __mmput+0x122/0x470 kernel/fork.c:1095 mmput+0x58/0x60 kernel/fork.c:1116 exit_mm kernel/exit.c:502 [inline] do_exit+0xb0a/0x2a70 kernel/exit.c:813 do_group_exit+0x125/0x310 kernel/exit.c:923 __do_sys_exit_group kernel/exit.c:934 [inline] __se_sys_exit_group kernel/exit.c:932 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:932 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f145a699618 Code: Unable to access opcode bytes at RIP 0x7f145a6995ee. RSP: 002b:00007ffe53aebea8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffe53aebf70 RCX: 00007f145a699618 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00007ffe53aec020 R08: 00000000000000e7 R09: fffffffffffffe50 R10: 00000000ffffffff R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e BUG: Bad rss-counter state mm:ffff888028192300 type:MM_SWAPENTS val:-2