https://bugzilla.kernel.org/show_bug.cgi?id=215804 --- Comment #7 from Zorro Lang (zlang@xxxxxxxxxx) --- Get below messages from aarch64 with linux v5.18-rc1 (which reproduced this bug too): # ./scripts/faddr2line vmlinux __split_huge_pmd+0x1d8/0x34c __split_huge_pmd+0x1d8/0x34c: _compound_head at /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./include/linux/page-flags.h:263 (inlined by) __split_huge_pmd at /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2150 # ./scripts/decode_stacktrace.sh vmlinux <crash_calltrace.log [ 2129.736862] Unable to handle kernel paging request at virtual address fffffd1d59000008 [ 2129.780524] KASAN: maybe wild-memory-access in range [0x0003e8eac8000040-0x0003e8eac8000047] [ 2129.783285] Mem abort info: [ 2129.783997] ESR = 0x96000006 [ 2129.784732] EC = 0x25: DABT (current EL), IL = 32 bits [ 2129.786221] SET = 0, FnV = 0 [ 2129.787015] EA = 0, S1PTW = 0 [ 2129.787944] FSC = 0x06: level 2 translation fault [ 2129.789120] Data abort info: [ 2129.789858] ISV = 0, ISS = 0x00000006 [ 2129.790801] CM = 0, WnR = 0 [ 2129.791542] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000fa88b000 [ 2129.793131] [fffffd1d59000008] pgd=10000001bf22e003, p4d=10000001bf22e003, pud=10000001bf22d003, pmd=0000000000000000 [ 2129.797297] Internal error: Oops: 96000006 [#1] SMP [ 2129.798708] Modules linked in: tls rfkill sunrpc vfat fat drm fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce virtio_console virtio_blk sha256_arm64 sha1_ce virtio_net net_failover failover virtio_mmio [ 2129.805211] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 2129.806925] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 2129.808682] pc : __split_huge_pmd (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./include/linux/page-flags.h:263 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2150) [ 2129.809909] lr : __split_huge_pmd (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./arch/arm64/include/asm/pgtable.h:387 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2150) [ 2129.811003] sp : ffff80000e5a6fe0 [ 2129.811834] x29: ffff80000e5a6fe0 x28: 0000000000000000 x27: ffff4757455eede0 [ 2129.813645] x26: 0000000000000000 x25: 0000000000000000 x24: fffffd1d5eeb4800 [ 2129.815412] x23: 1ffff00001cb4e0a x22: ffff4757943b0a50 x21: ffff475755a56270 [ 2129.817219] x20: ffff80000e5a7080 x19: fffffd1d59000000 x18: 0000000000000000 [ 2129.819029] x17: 0000000000000000 x16: ffffb625b8e67e20 x15: 1fffe8eaf65232e9 [ 2129.820840] x14: 0000000000000000 x13: 0000000000000000 x12: ffff700001cb4ded [ 2129.822654] x11: 1ffff00001cb4dec x10: ffff700001cb4dec x9 : dfff800000000000 [ 2129.824447] x8 : ffff80000e5a6f63 x7 : 0000000000000001 x6 : 0000000000000003 [ 2129.826256] x5 : ffff80000e5a6f60 x4 : ffff700001cb4dec x3 : 1fffe8eaf8fd6c01 [ 2129.828045] x2 : 1fffffa3ab200001 x1 : 0000000000000000 x0 : fffffd1d59000008 [ 2129.829858] Call trace: [ 2129.830506] __split_huge_pmd (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./include/linux/page-flags.h:263 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2150) [ 2129.831525] split_huge_pmd_address (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2199) [ 2129.832667] try_to_unmap_one (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/internal.h:504 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/rmap.c:1452) [ 2129.833719] rmap_walk_file (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/rmap.c:2323) [ 2129.834684] try_to_unmap (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/rmap.c:2352 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/rmap.c:1726) [ 2129.835628] split_huge_page_to_list (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./arch/arm64/include/asm/irqflags.h:70 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/./arch/arm64/include/asm/irqflags.h:98 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/huge_memory.c:2567) [ 2129.836811] truncate_inode_partial_folio (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/truncate.c:243) [ 2129.838119] truncate_inode_pages_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/truncate.c:381) [ 2129.839360] truncate_pagecache_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/mm/truncate.c:868) [ 2129.840518] xfs_flush_unmap_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/xfs/xfs_bmap_util.c:953) xfs [ 2129.842300] xfs_reflink_remap_prep (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/xfs/xfs_reflink.c:1372) xfs [ 2129.843932] xfs_file_remap_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/xfs/xfs_file.c:1129) xfs [ 2129.845495] do_clone_file_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/remap_range.c:383) [ 2129.846573] vfs_clone_file_range (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/remap_range.c:401) [ 2129.847646] ioctl_file_clone (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/ioctl.c:241) [ 2129.848615] do_vfs_ioctl (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/ioctl.c:823) [ 2129.849606] __arm64_sys_ioctl (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/ioctl.c:869 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/ioctl.c:856 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/fs/ioctl.c:856) [ 2129.850630] invoke_syscall.constprop.0 (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/syscall.c:38 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/syscall.c:52) [ 2129.851866] el0_svc_common.constprop.0 (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/syscall.c:158) [ 2129.853118] do_el0_svc (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/syscall.c:182) [ 2129.853969] el0_svc (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/entry-common.c:133 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/entry-common.c:142 /mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/entry-common.c:617) [ 2129.854850] el0t_64_sync_handler (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/entry-common.c:635) [ 2129.855950] el0t_64_sync (/mnt/tests/kernel/distribution/upstream-kernel/install/kernel/arch/arm64/kernel/entry.S:581) [ 2129.856898] Code: 91002260 d343fc02 38e16841 35000b41 (f9400660) All code ======== 0: 91002260 add x0, x19, #0x8 4: d343fc02 lsr x2, x0, #3 8: 38e16841 ldrsb w1, [x2, x1] c: 35000b41 cbnz w1, 0x174 10:* f9400660 ldr x0, [x19, #8] <-- trapping instruction Code starting with the faulting instruction =========================================== 0: f9400660 ldr x0, [x19, #8] [ 2129.858468] SMP: stopping secondary CPUs [ 2129.862796] Starting crashdump kernel... [ 2129.863839] Bye! -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
