kcov_mmap()/kcov_fault_in_area() appear to have produced a pte which confused _vm_normal_page(). Could someone please take a look? Begin forwarded message: Date: Thu, 14 Mar 2019 15:06:47 +0000 From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx To: akpm@xxxxxxxxxxxxxxxxxxxx Subject: [Bug 202919] New: Bad page map in process syz-executor.5 pte:9100000081 pmd:47c67067 https://bugzilla.kernel.org/show_bug.cgi?id=202919 Bug ID: 202919 Summary: Bad page map in process syz-executor.5 pte:9100000081 pmd:47c67067 Product: Memory Management Version: 2.5 Kernel Version: 5.0.2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Page Allocator Assignee: akpm@xxxxxxxxxxxxxxxxxxxx Reporter: zhanggen12@xxxxxxxxxxx Regression: No Created attachment 281823 --> https://bugzilla.kernel.org/attachment.cgi?id=281823&action=edit bad page map BUG: Bad page map in process syz-executor.5 pte:9100000081 pmd:47c67067 addr:00000000768464c8 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:18f file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Not tainted 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:5309000000a1 pmd:47c67067 addr:000000002e2065c3 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:190 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 5401e6ffffffffff BUG: Bad page map in process syz-executor.5 pte:ac32000000000000 pmd:47c67067 addr:000000008adbb032 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:192 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3ffffb6ffffff BUG: Bad page map in process syz-executor.5 pte:9200000082 pmd:47c67067 addr:00000000d83b3dac vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:193 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 4c02787f887fffff BUG: Bad page map in process syz-executor.5 pte:9b0f00ef00000000 pmd:47c67067 addr:000000008533c1ed vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:196 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:9300000083 pmd:47c67067 addr:00000000117ad9ce vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:197 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:1fe90000000004a1 pmd:47c67067 addr:00000000632caa85 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:198 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:00040017 pmd:47c67067 page:ffffea0000001000 count:0 mapcount:-129 mapping:0000000000000000 index:0x0 flags: 0x0() raw: 0000000000000000 ffff88807fffa270 ffff88807fffa270 0000000000000000 raw: 0000000000000000 0000000000000006 00000000ffffff7e 0000000000000000 page dumped because: bad pte addr:00000000b5a11157 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:199 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1092 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x144b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 2403b5f00b7fffff BUG: Bad page map in process syz-executor.5 pte:48941fe900000000 pmd:47c67067 addr:00000000ee146683 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:19a file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: 7d a6 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 4b a6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3ffffb5ffffff BUG: Bad page map in process syz-executor.5 pte:9400000084 pmd:47c67067 addr:000000003ad02655 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:19b file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3fffffffffd7f BUG: Bad page map in process syz-executor.5 pte:00050000 pmd:47c67067 addr:00000000d5308cc0 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:19d file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 2802db6fffffffff BUG: Bad page map in process syz-executor.5 pte:5249200000000000 pmd:47c67067 addr:000000005f7bdb6f vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:19e file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:9500000085 pmd:47c67067 addr:000000000c5b1271 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:19f file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:20001458000008a1 pmd:47c67067 addr:000000004f1778f6 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a0 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3fffffffffd7f BUG: Bad page map in process syz-executor.5 pte:00050000 pmd:47c67067 addr:000000009c3df739 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a1 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 50003eefffffffff BUG: Bad page map in process syz-executor.5 pte:a782200000000000 pmd:47c67067 addr:00000000a298f08a vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a2 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3ffffb4ffffff BUG: Bad page map in process syz-executor.5 pte:9600000086 pmd:47c67067 addr:000000001f1892ea vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a3 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3fffffffffd7f BUG: Bad page map in process syz-executor.5 pte:00050000 pmd:47c67067 addr:0000000088420d0c vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a5 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 5c00f06fffffffff BUG: Bad page map in process syz-executor.5 pte:be1f200000000000 pmd:47c67067 addr:000000009c08436b vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a6 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:9700000087 pmd:47c67067 addr:00000000e0488400 vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a7 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 BUG: Bad page map in process syz-executor.5 pte:2000800000000ca1 pmd:47c67067 addr:000000002e00ad5a vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a8 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 _vm_normal_page+0x111/0x2b0 mm/memory.c:612 zap_pte_range mm/memory.c:1063 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x89b/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 swap_info_get: Bad swap file entry 3fffffffffc7f BUG: Bad page map in process syz-executor.5 pte:00070000 pmd:47c67067 addr:000000006a47b55c vm_flags:100400fb anon_vma: (null) mapping:000000009265a729 index:1a9 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_bad_pte.cold.120+0x2c7/0x2f0 mm/memory.c:526 zap_pte_range mm/memory.c:1137 [inline] zap_pmd_range mm/memory.c:1192 [inline] zap_pud_range mm/memory.c:1221 [inline] zap_p4d_range mm/memory.c:1242 [inline] unmap_page_range+0x109e/0x1950 mm/memory.c:1263 unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 0 PID: 30290 Comm: syz-executor.5 Tainted: G B 5.0.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:compound_head include/linux/page-flags.h:143 [inline] RIP: 0010:migration_entry_to_page include/linux/swapops.h:210 [inline] RIP: 0010:zap_pte_range mm/memory.c:1133 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1192 [inline] RIP: 0010:zap_pud_range mm/memory.c:1221 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1242 [inline] RIP: 0010:unmap_page_range+0xdb8/0x1950 mm/memory.c:1263 Code: e3 ff 48 8b 54 24 18 48 b8 00 00 00 00 00 ea ff ff 48 c1 e2 06 48 01 d0 48 89 44 24 28 48 83 c0 08 48 89 44 24 60 48 c1 e8 03 <42> 80 3c 30 00 0f 85 e5 09 00 00 4c 8b 6c 24 28 31 ff 49 8b 45 08 RSP: 0018:ffff88804871f700 EFLAGS: 00010206 RAX: 000630bffffffff9 RBX: fe73200000000000 RCX: ffffffff8158a3cc RDX: 00319bffffffffc0 RSI: ffffffff8158a9c0 RDI: 0000000000000007 RBP: 0000000000000000 R08: ffff88804af72f80 R09: fffffbfff0948d33 R10: fffffbfff0948d33 R11: ffffffff84a4699b R12: ffff88804871f9b8 R13: 000000000000001f R14: dffffc0000000000 R15: 00007f26a4071000 FS: 00007f26a3070700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004588cf CR3: 0000000004426006 CR4: 00000000001606f0 Call Trace: unmap_single_vma+0x198/0x300 mm/memory.c:1308 unmap_vmas+0x172/0x280 mm/memory.c:1339 exit_mmap+0x27d/0x4a0 mm/mmap.c:3139 __mmput kernel/fork.c:1047 [inline] mmput+0xd0/0x3b0 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0xa55/0x2e00 kernel/exit.c:862 do_group_exit+0x125/0x350 kernel/exit.c:979 get_signal+0x362/0x1c60 kernel/signal.c:2575 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x16b/0x1c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x3da/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4588f9 Code: Bad RIP value. RSP: 002b:00007f26a306fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000072bf00 RCX: 00000000004588f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf08 R08: 00007f26a3070700 R09: 00007f26a3070700 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 0000000000000000 R14: 00007f26a30709c0 R15: 00007f26a3070700 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 72dd5bdc713f57dd ]--- RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:compound_head include/linux/page-flags.h:143 [inline] RIP: 0010:migration_entry_to_page include/linux/swapops.h:210 [inline] RIP: 0010:zap_pte_range mm/memory.c:1133 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1192 [inline] RIP: 0010:zap_pud_range mm/memory.c:1221 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1242 [inline] RIP: 0010:unmap_page_range+0xdb8/0x1950 mm/memory.c:1263 Code: e3 ff 48 8b 54 24 18 48 b8 00 00 00 00 00 ea ff ff 48 c1 e2 06 48 01 d0 48 89 44 24 28 48 83 c0 08 48 89 44 24 60 48 c1 e8 03 <42> 80 3c 30 00 0f 85 e5 09 00 00 4c 8b 6c 24 28 31 ff 49 8b 45 08 RSP: 0018:ffff88804871f700 EFLAGS: 00010206 RAX: 000630bffffffff9 RBX: fe73200000000000 RCX: ffffffff8158a3cc RDX: 00319bffffffffc0 RSI: ffffffff8158a9c0 RDI: 0000000000000007 RBP: 0000000000000000 R08: ffff88804af72f80 R09: fffffbfff0948d33 R10: fffffbfff0948d33 R11: ffffffff84a4699b R12: ffff88804871f9b8 R13: 000000000000001f R14: dffffc0000000000 R15: 00007f26a4071000 FS: 00007f26a3070700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004588cf CR3: 0000000004426006 CR4: 00000000001606f0 -- You are receiving this mail because: You are the assignee for the bug.
