BUG: Bad page map in process syz-executor.4 pte:770077748022007 pmd:00112067 addr:00007f29a6a1c000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a441f828 index:f1 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 12145 Comm: syz-executor.4 Not tainted 5.9.0-rc7-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 vm_normal_page+0x224/0x380 mm/memory.c:612 zap_pte_range mm/memory.c:1255 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0xb95/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 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:00007f29a4b07cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4 RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 000000000118cff4 R13: 000000000169fb6f R14: 00007f29a4b089c0 R15: 000000000118cff4 swap_info_get: Bad swap file entry 3fffffc7fffff BUG: Bad page map in process syz-executor.4 pte:700000000 pmd:00112067 addr:00007f29a6a1d000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a441f828 index:f2 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 12145 Comm: syz-executor.4 Tainted: G B 5.9.0-rc7-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:1328 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0x20b1/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 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:00007f29a4b07cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4 RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 000000000118cff4 R13: 000000000169fb6f R14: 00007f29a4b089c0 R15: 000000000118cff4 swap_info_get: Bad swap file entry 4003ffffffffffff BUG: Bad page map in process syz-executor.4 pte:8000000000000000 pmd:00112067 addr:00007f29a6a74000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a441f828 index:149 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 12145 Comm: syz-executor.4 Tainted: G B 5.9.0-rc7-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:1328 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0x20b1/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 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:00007f29a4b07cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4 RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 000000000118cff4 R13: 000000000169fb6f R14: 00007f29a4b089c0 R15: 000000000118cff4 swap_info_get: Bad swap file entry 4003ffffffffffff BUG: Bad page map in process syz-executor.4 pte:8000000000000000 pmd:00112067 addr:00007f29a6b1f000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a441f828 index:1f4 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 12145 Comm: syz-executor.4 Tainted: G B 5.9.0-rc7-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:1328 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0x20b1/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 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:00007f29a4b07cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4 RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 000000000118cff4 R13: 000000000169fb6f R14: 00007f29a4b089c0 R15: 000000000118cff4 swap_info_get: Bad swap file entry 4003ffffffffffff BUG: Bad page map in process syz-executor.4 pte:8000000000000000 pmd:00112067 addr:00007f29a6bca000 vm_flags:180400fb anon_vma:0000000000000000 mapping:ffff8880a441f828 index:9f file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 12145 Comm: syz-executor.4 Tainted: G B 5.9.0-rc7-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:1328 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0x20b1/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 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:00007f29a4b07cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000118cff0 RCX: 000000000045e179 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000118cff4 RBP: 000000000118cfe8 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 000000000118cff4 R13: 000000000169fb6f R14: 00007f29a4b089c0 R15: 000000000118cff4 BUG: Bad rss-counter state mm:00000000a1dafff1 type:MM_FILEPAGES val:16 BUG: Bad rss-counter state mm:00000000a1dafff1 type:MM_SWAPENTS val:-4