BUG: Bad page map in process syz-executor.1 pte:ffffaf801f0bc0f0 pmd:27caec01 addr:00007fff911e6000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffffaf800768a560 index:170 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 14966 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563 [] vm_normal_page+0x20c/0x22a mm/memory.c:626 [] copy_present_pte mm/memory.c:949 [inline] [] copy_pte_range mm/memory.c:1074 [inline] [] copy_pmd_range mm/memory.c:1160 [inline] [] copy_pud_range mm/memory.c:1197 [inline] [] copy_p4d_range mm/memory.c:1221 [inline] [] copy_page_range+0x828/0x236c mm/memory.c:1294 [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 BUG: Bad page map in process syz-executor.1 pte:ffffffff801110e4 pmd:27caec01 addr:00007fff911e7000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffffaf800768a560 index:171 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 14966 Comm: syz-executor.1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563 [] vm_normal_page+0x20c/0x22a mm/memory.c:626 [] copy_present_pte mm/memory.c:949 [inline] [] copy_pte_range mm/memory.c:1074 [inline] [] copy_pmd_range mm/memory.c:1160 [inline] [] copy_pud_range mm/memory.c:1197 [inline] [] copy_p4d_range mm/memory.c:1221 [inline] [] copy_page_range+0x828/0x236c mm/memory.c:1294 [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 BUG: Bad page map in process syz-executor.1 pte:ffffffff801110e4 pmd:27caec01 addr:00007fff911ef000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffffaf800768a560 index:179 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 14966 Comm: syz-executor.1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563 [] vm_normal_page+0x20c/0x22a mm/memory.c:626 [] copy_present_pte mm/memory.c:949 [inline] [] copy_pte_range mm/memory.c:1074 [inline] [] copy_pmd_range mm/memory.c:1160 [inline] [] copy_pud_range mm/memory.c:1197 [inline] [] copy_p4d_range mm/memory.c:1221 [inline] [] copy_page_range+0x828/0x236c mm/memory.c:1294 [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 BUG: Bad page map in process syz-executor.1 pte:41b58ab3 pmd:27caec01 addr:00007fff911f4000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffffaf800768a560 index:17e file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 14966 Comm: syz-executor.1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563 [] vm_normal_page+0x20c/0x22a mm/memory.c:626 [] copy_present_pte mm/memory.c:949 [inline] [] copy_pte_range mm/memory.c:1074 [inline] [] copy_pmd_range mm/memory.c:1160 [inline] [] copy_pud_range mm/memory.c:1197 [inline] [] copy_p4d_range mm/memory.c:1221 [inline] [] copy_page_range+0x828/0x236c mm/memory.c:1294 [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 BUG: Bad page map in process syz-executor.1 pte:ffffffff8451f630 pmd:27caec01 addr:00007fff911f5000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffffaf800768a560 index:17f file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 0 PID: 14966 Comm: syz-executor.1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563 [] vm_normal_page+0x20c/0x22a mm/memory.c:626 [] copy_present_pte mm/memory.c:949 [inline] [] copy_pte_range mm/memory.c:1074 [inline] [] copy_pmd_range mm/memory.c:1160 [inline] [] copy_pud_range mm/memory.c:1197 [inline] [] copy_p4d_range mm/memory.c:1221 [inline] [] copy_page_range+0x828/0x236c mm/memory.c:1294 [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 Unable to handle kernel paging request at virtual address ffffaf847c9ffff8 Oops [#1] Modules linked in: CPU: 1 PID: 14966 Comm: syz-executor.1 Tainted: G B 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) epc : __nr_to_section include/linux/mmzone.h:1396 [inline] epc : __pfn_to_section include/linux/mmzone.h:1480 [inline] epc : pfn_swap_entry_to_page include/linux/swapops.h:252 [inline] epc : copy_nonpresent_pte mm/memory.c:798 [inline] epc : copy_pte_range mm/memory.c:1053 [inline] epc : copy_pmd_range mm/memory.c:1160 [inline] epc : copy_pud_range mm/memory.c:1197 [inline] epc : copy_p4d_range mm/memory.c:1221 [inline] epc : copy_page_range+0x1ade/0x236c mm/memory.c:1294 ra : __nr_to_section include/linux/mmzone.h:1396 [inline] ra : __pfn_to_section include/linux/mmzone.h:1480 [inline] ra : pfn_swap_entry_to_page include/linux/swapops.h:252 [inline] ra : copy_nonpresent_pte mm/memory.c:798 [inline] ra : copy_pte_range mm/memory.c:1053 [inline] ra : copy_pmd_range mm/memory.c:1160 [inline] ra : copy_pud_range mm/memory.c:1197 [inline] ra : copy_p4d_range mm/memory.c:1221 [inline] ra : copy_page_range+0x1ade/0x236c mm/memory.c:1294 epc : ffffffff803dce04 ra : ffffffff803dce04 sp : ffffaf8021ce7600 gp : ffffffff85863ac0 tp : ffffaf800bcfe100 t0 : ffffaf8021ce77b0 t1 : fffff5ef0439cef5 t2 : 00007fffde83c1b7 s0 : ffffaf8021ce7860 s1 : ffffffff80110fdc a0 : ffffaf847c9ffff8 a1 : 0000000000000007 a2 : 1ffff5f08f93ffff a3 : ffffffff803dce04 a4 : 0000000000000000 a5 : ffffaf847c9ffff8 a6 : 0000000000f00000 a7 : ffffaf8021ce77af s2 : ffffaf801f0bbfb0 s3 : ffffaf802192dfb0 s4 : 0000000000000000 s5 : 7c1ffffffff00221 s6 : 001ffffffff00221 s7 : ffffaf847c9ffff8 s8 : 000000000000001f s9 : 00007fff91200000 s10: ffffaf800cffb000 s11: 00007fff911f6000 t3 : 000000007fffffff t4 : fffff5ef0439cef4 t5 : fffff5ef0439cef6 t6 : 0000000000040000 status: 0000000000000120 badaddr: ffffaf847c9ffff8 cause: 000000000000000d [] dup_mmap kernel/fork.c:612 [inline] [] dup_mm+0xb5c/0xe10 kernel/fork.c:1451 [] copy_mm kernel/fork.c:1503 [inline] [] copy_process+0x25da/0x3c34 kernel/fork.c:2164 [] kernel_clone+0xee/0x920 kernel/fork.c:2555 [] __do_sys_clone3+0x1ec/0x286 kernel/fork.c:2830 [] sys_clone3+0x20/0x2c kernel/fork.c:2814 [] ret_from_syscall+0x0/0x2 ---[ end trace 0000000000000000 ]---