swap_info_get: Bad swap file entry 3c44447ffffff
BUG: Bad page map in process syz-executor.2  pte:77777000000000 pmd:00106067
addr:00007fce58089000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1cc
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Not tainted 5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 zap_pte_range mm/memory.c:1139 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0x214c/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce5808a000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1cd
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 1 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:777707707777077 pmd:00106067
addr:00007fce5808b000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1ce
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 1 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77707707777077 pmd:00106067
addr:00007fce5808c000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1cf
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77777000000077 pmd:00106067
addr:00007fce5808d000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1d0
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce58092000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1d5
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce58094000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1d7
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77777007700077 pmd:00106067
addr:00007fce58095000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1d8
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
swap_info_get: Bad swap file entry 3c44447ffffff
BUG: Bad page map in process syz-executor.2  pte:77777000000000 pmd:00106067
addr:00007fce58099000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1dc
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 zap_pte_range mm/memory.c:1139 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0x214c/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce5809a000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1dd
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:777707707777077 pmd:00106067
addr:00007fce5809b000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1de
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77707707777077 pmd:00106067
addr:00007fce5809c000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1df
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77777000000077 pmd:00106067
addr:00007fce5809d000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1e0
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce580a2000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1e5
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce580a4000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1e7
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77777007700077 pmd:00106067
addr:00007fce580a5000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1e8
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
swap_info_get: Bad swap file entry 3c44447ffffff
BUG: Bad page map in process syz-executor.2  pte:77777000000000 pmd:00106067
addr:00007fce580a9000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1ec
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 zap_pte_range mm/memory.c:1139 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0x214c/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce580aa000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1ed
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:777707707777077 pmd:00106067
addr:00007fce580ab000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1ee
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77707707777077 pmd:00106067
addr:00007fce580ac000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1ef
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:77777000000077 pmd:00106067
addr:00007fce580ad000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1f0
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce580b2000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1f5
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007ffec3eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfec
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffec3eff6d0 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000002d10d3 R14: 00000000002d10a6 R15: 000000000118cfec
BUG: Bad page map in process syz-executor.2  pte:770007707700077 pmd:00106067
addr:00007fce580b4000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a48996a8 index:1f7
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 4442 Comm: syz-executor.2 Tainted: G    B             5.9.0-rc2-next-20200828-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+0x18f/0x20d lib/dump_stack.c:118
 print_bad_pte.cold+0x1e6/0x219 mm/memory.c:549
 vm_normal_page+0x224/0x380 mm/memory.c:612
 zap_pte_range mm/memory.c:1066 [inline]
 zap_pmd_range mm/memory.c:1197 [inline]
 zap_pud_range mm/memory.c:1226 [inline]
 zap_p4d_range mm/memory.c:1247 [inline]
 unmap_page_range+0xba2/0x2ab0 mm/memory.c:1268
 unmap_single_vma+0x198/0x300 mm/memory.c:1313
 unmap_vmas+0x168/0x2e0 mm/memory.c:1345
 exit_mmap+0x2b1/0x530 mm/mmap.c:3228
 __mmput+0x122/0x470 kernel/fork.c:1075
 mmput+0x53/0x60 kernel/fork.c:1096
 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:136 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: Bad RIP value.