BUG: Bad page map in process syz-fuzzer  pte:ffffaf800f08c1a0 pmd:23ca2c01
addr:000000c0091fc000 vm_flags:00100073 anon_vma:ffffaf800d66fd00 mapping:0000000000000000 index:c0091fc
file:(null) fault:0x0 mmap:0x0 readpage:0x0
CPU: 1 PID: 2021 Comm: syz-fuzzer Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8000a228>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113
[<ffffffff831668cc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119
[<ffffffff831756ba>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff831756ba>] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106
[<ffffffff83175742>] dump_stack+0x1c/0x24 lib/dump_stack.c:113
[<ffffffff803cdcdc>] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563
[<ffffffff803d1622>] vm_normal_page+0x20c/0x22a mm/memory.c:626
[<ffffffff803d1d10>] zap_pte_range mm/memory.c:1361 [inline]
[<ffffffff803d1d10>] zap_pmd_range mm/memory.c:1490 [inline]
[<ffffffff803d1d10>] zap_pud_range mm/memory.c:1519 [inline]
[<ffffffff803d1d10>] zap_p4d_range mm/memory.c:1540 [inline]
[<ffffffff803d1d10>] unmap_page_range+0x6d0/0x13f0 mm/memory.c:1561
[<ffffffff803d370c>] unmap_single_vma mm/memory.c:1606 [inline]
[<ffffffff803d370c>] zap_page_range+0x28e/0x430 mm/memory.c:1663
[<ffffffff804205c2>] madvise_dontneed_single_vma mm/madvise.c:799 [inline]
[<ffffffff804205c2>] madvise_dontneed_free mm/madvise.c:854 [inline]
[<ffffffff804205c2>] madvise_vma_behavior+0xf5e/0x1250 mm/madvise.c:991
[<ffffffff8041d0aa>] madvise_walk_vmas+0x186/0x23e mm/madvise.c:1207
[<ffffffff80420c8c>] do_madvise mm/madvise.c:1385 [inline]
[<ffffffff80420c8c>] do_madvise+0x2f4/0x3a8 mm/madvise.c:1343
[<ffffffff80421138>] __do_sys_madvise mm/madvise.c:1398 [inline]
[<ffffffff80421138>] sys_madvise+0x38/0x48 mm/madvise.c:1396
[<ffffffff80005716>] ret_from_syscall+0x0/0x2
BUG: Bad page map in process syz-fuzzer  pte:ffffffff801110e4 pmd:23ca2c01
addr:000000c0091fd000 vm_flags:00100073 anon_vma:ffffaf800d66fd00 mapping:0000000000000000 index:c0091fd
file:(null) fault:0x0 mmap:0x0 readpage:0x0
CPU: 0 PID: 2021 Comm: syz-fuzzer Tainted: G    B             5.17.0-rc1-syzkaller-00002-g0966d385830d #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8000a228>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113
[<ffffffff831668cc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119
[<ffffffff831756ba>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff831756ba>] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106
[<ffffffff83175742>] dump_stack+0x1c/0x24 lib/dump_stack.c:113
[<ffffffff803cdcdc>] print_bad_pte+0x3d4/0x4a0 mm/memory.c:563
[<ffffffff803d1622>] vm_normal_page+0x20c/0x22a mm/memory.c:626
[<ffffffff803d1d10>] zap_pte_range mm/memory.c:1361 [inline]
[<ffffffff803d1d10>] zap_pmd_range mm/memory.c:1490 [inline]
[<ffffffff803d1d10>] zap_pud_range mm/memory.c:1519 [inline]
[<ffffffff803d1d10>] zap_p4d_range mm/memory.c:1540 [inline]
[<ffffffff803d1d10>] unmap_page_range+0x6d0/0x13f0 mm/memory.c:1561
[<ffffffff803d370c>] unmap_single_vma mm/memory.c:1606 [inline]
[<ffffffff803d370c>] zap_page_range+0x28e/0x430 mm/memory.c:1663
[<ffffffff804205c2>] madvise_dontneed_single_vma mm/madvise.c:799 [inline]
[<ffffffff804205c2>] madvise_dontneed_free mm/madvise.c:854 [inline]
[<ffffffff804205c2>] madvise_vma_behavior+0xf5e/0x1250 mm/madvise.c:991
[<ffffffff8041d0aa>] madvise_walk_vmas+0x186/0x23e mm/madvise.c:1207
[<ffffffff80420c8c>] do_madvise mm/madvise.c:1385 [inline]
[<ffffffff80420c8c>] do_madvise+0x2f4/0x3a8 mm/madvise.c:1343
[<ffffffff80421138>] __do_sys_madvise mm/madvise.c:1398 [inline]
[<ffffffff80421138>] sys_madvise+0x38/0x48 mm/madvise.c:1396
[<ffffffff80005716>] ret_from_syscall+0x0/0x2