swap_info_get: Bad swap file entry 4003ffffffffffff
BUG: Bad page map in process syz-executor.2  pte:8000000000000000 pmd:00163067
addr:000000000108d000 vm_flags:08100073 anon_vma:ffff88809262fd00 mapping:0000000000000000 index:108d
file:(null) fault:0x0 mmap:0x0 readpage:0x0
CPU: 0 PID: 7113 Comm: syz-executor.2 Not tainted 5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 zap_pte_range mm/memory.c:1151 [inline]
 zap_pmd_range mm/memory.c:1209 [inline]
 zap_pud_range mm/memory.c:1238 [inline]
 zap_p4d_range mm/memory.c:1259 [inline]
 unmap_page_range+0x220c/0x2bf0 mm/memory.c:1280
 unmap_single_vma+0x198/0x300 mm/memory.c:1325
 unmap_vmas+0x168/0x2e0 mm/memory.c:1357
 exit_mmap+0x2b1/0x530 mm/mmap.c:3183
 __mmput+0x122/0x470 kernel/fork.c:1076
 mmput+0x53/0x60 kernel/fork.c:1097
 exit_mm kernel/exit.c:483 [inline]
 do_exit+0xa8b/0x29f0 kernel/exit.c:793
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x428/0x1f00 kernel/signal.c:2757
 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:192
 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e179
Code: Bad RIP value.
RSP: 002b:00007fdbb60bccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4
RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4
R13: 000000000169fb6f R14: 00007fdbb60bd9c0 R15: 000000000118cff4
swap_info_get: Bad swap file entry 4003ffffffffffff
BUG: Bad page map in process syz-executor.2  pte:8000000000000000 pmd:00163067
addr:000000000112e000 vm_flags:08100073 anon_vma:ffff88809262fd00 mapping:0000000000000000 index:112e
file:(null) fault:0x0 mmap:0x0 readpage:0x0
CPU: 1 PID: 7113 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 zap_pte_range mm/memory.c:1151 [inline]
 zap_pmd_range mm/memory.c:1209 [inline]
 zap_pud_range mm/memory.c:1238 [inline]
 zap_p4d_range mm/memory.c:1259 [inline]
 unmap_page_range+0x220c/0x2bf0 mm/memory.c:1280
 unmap_single_vma+0x198/0x300 mm/memory.c:1325
 unmap_vmas+0x168/0x2e0 mm/memory.c:1357
 exit_mmap+0x2b1/0x530 mm/mmap.c:3183
 __mmput+0x122/0x470 kernel/fork.c:1076
 mmput+0x53/0x60 kernel/fork.c:1097
 exit_mm kernel/exit.c:483 [inline]
 do_exit+0xa8b/0x29f0 kernel/exit.c:793
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x428/0x1f00 kernel/signal.c:2757
 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:192
 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e179
Code: Bad RIP value.
RSP: 002b:00007fdbb60bccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4
RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4
R13: 000000000169fb6f R14: 00007fdbb60bd9c0 R15: 000000000118cff4
BUG: Bad rss-counter state mm:00000000e55e0870 type:MM_ANONPAGES val:2
BUG: Bad rss-counter state mm:00000000e55e0870 type:MM_SWAPENTS val:-2