swap_info_get: Bad swap file entry 4003ffffffffffff
BUG: Bad page map in process syz-executor.0  pte:8000000000000000 pmd:00114067
addr:00007f402ca6c000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a52aa708 index:17d
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 1 PID: 28212 Comm: syz-executor.0 Not tainted 5.6.0-rc5-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+0x188/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1c1/0x21b mm/memory.c:546
 zap_pte_range mm/memory.c:1126 [inline]
 zap_pmd_range mm/memory.c:1184 [inline]
 zap_pud_range mm/memory.c:1213 [inline]
 zap_p4d_range mm/memory.c:1234 [inline]
 unmap_page_range+0x1be2/0x26e0 mm/memory.c:1255
 unmap_single_vma+0x196/0x300 mm/memory.c:1300
 unmap_vmas+0x16f/0x2f0 mm/memory.c:1332
 exit_mmap+0x2aa/0x510 mm/mmap.c:3126
 __mmput kernel/fork.c:1082 [inline]
 mmput+0x168/0x4b0 kernel/fork.c:1103
 exit_mm kernel/exit.c:485 [inline]
 do_exit+0xa51/0x2dd0 kernel/exit.c:788
 do_group_exit+0x125/0x340 kernel/exit.c:899
 get_signal+0x47b/0x24e0 kernel/signal.c:2739
 do_signal+0x7e/0x13f0 arch/x86/kernel/signal.c:813
 exit_to_usermode_loop+0x26c/0x360 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x6b1/0x7d0 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c679
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f402b0abcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000076c048 RCX: 000000000045c679
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000076c048
RBP: 000000000076c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c04c
R13: 0000000000c7fb7f R14: 00007f402b0ac9c0 R15: 000000000076c04c
swap_info_get: Bad swap file entry 4003ffffffffffff
BUG: Bad page map in process syz-executor.0  pte:8000000000000000 pmd:00114067
addr:00007f402cac1000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a52aa708 index:1d2
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 1 PID: 28212 Comm: syz-executor.0 Tainted: G    B             5.6.0-rc5-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+0x188/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1c1/0x21b mm/memory.c:546
 zap_pte_range mm/memory.c:1126 [inline]
 zap_pmd_range mm/memory.c:1184 [inline]
 zap_pud_range mm/memory.c:1213 [inline]
 zap_p4d_range mm/memory.c:1234 [inline]
 unmap_page_range+0x1be2/0x26e0 mm/memory.c:1255
 unmap_single_vma+0x196/0x300 mm/memory.c:1300
 unmap_vmas+0x16f/0x2f0 mm/memory.c:1332
 exit_mmap+0x2aa/0x510 mm/mmap.c:3126
 __mmput kernel/fork.c:1082 [inline]
 mmput+0x168/0x4b0 kernel/fork.c:1103
 exit_mm kernel/exit.c:485 [inline]
 do_exit+0xa51/0x2dd0 kernel/exit.c:788
 do_group_exit+0x125/0x340 kernel/exit.c:899
 get_signal+0x47b/0x24e0 kernel/signal.c:2739
 do_signal+0x7e/0x13f0 arch/x86/kernel/signal.c:813
 exit_to_usermode_loop+0x26c/0x360 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x6b1/0x7d0 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c679
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f402b0abcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000076c048 RCX: 000000000045c679
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000076c048
RBP: 000000000076c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c04c
R13: 0000000000c7fb7f R14: 00007f402b0ac9c0 R15: 000000000076c04c
BUG: Bad rss-counter state mm:000000006d1205d0 type:MM_FILEPAGES val:5
BUG: Bad rss-counter state mm:000000006d1205d0 type:MM_SWAPENTS val:-2