------------[ cut here ]------------ kernel BUG at arch/arm64/include/asm/pgalloc.h:79! Internal error: Oops - BUG: 0 [#1] SMP Modules linked in: CPU: 1 PID: 20025 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-04577-gcc0356d6a02e #0 Hardware name: linux,dummy-virt (DT) pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : pmd_populate_kernel arch/arm64/include/asm/pgalloc.h:79 [inline] pc : copy_pte arch/arm64/mm/trans_pgd.c:70 [inline] pc : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline] pc : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline] pc : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline] pc : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline] pc : trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213 lr : trans_alloc arch/arm64/mm/trans_pgd.c:30 [inline] lr : copy_pte arch/arm64/mm/trans_pgd.c:67 [inline] lr : copy_pmd arch/arm64/mm/trans_pgd.c:105 [inline] lr : copy_pud arch/arm64/mm/trans_pgd.c:141 [inline] lr : copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline] lr : copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline] lr : trans_pgd_create_copy+0x480/0x7f0 arch/arm64/mm/trans_pgd.c:213 sp : ffff80001b617a60 x29: ffff80001b617a60 x28: 1fffe0000fffee00 x27: ffff800010059c70 x26: ffff00003fffffff x25: ffff00000ea30000 x24: dfff800000000000 x23: ffff000000200000 x22: ffff80001b617c30 x21: ffff000040000000 x20: ffff00007fff7000 x19: ffff000000000000 x18: 0000000000000000 x17: ffff80001003f564 x16: ffff80001003f2ac x15: d503201fd503201f x14: 1ffff000036c2e30 x13: 0000000000000000 x12: ffff60000a819600 x11: 1fffe0000a8195ff x10: ffff60000a8195ff x9 : 0000000000000000 x8 : ffff0000540cb000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000004 x2 : fffffc0000000000 x1 : ffff800015efdf60 x0 : ffff0000540ca000 Call trace: set_p4d arch/arm64/include/asm/pgtable.h:695 [inline] __p4d_populate arch/arm64/include/asm/pgalloc.h:46 [inline] p4d_populate arch/arm64/include/asm/pgalloc.h:54 [inline] copy_pud arch/arm64/mm/trans_pgd.c:129 [inline] copy_p4d arch/arm64/mm/trans_pgd.c:167 [inline] copy_page_tables arch/arm64/mm/trans_pgd.c:186 [inline] trans_pgd_create_copy+0x5bc/0x7f0 arch/arm64/mm/trans_pgd.c:213 machine_kexec_post_load+0x178/0x6d0 arch/arm64/kernel/machine_kexec.c:146 do_kexec_load+0x194/0x520 kernel/kexec.c:155 __do_compat_sys_kexec_load kernel/kexec.c:292 [inline] __se_compat_sys_kexec_load kernel/kexec.c:257 [inline] __arm64_compat_sys_kexec_load+0x36c/0x47c kernel/kexec.c:257 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142 do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187 el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736 el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746 el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577 Code: 17fffee0 aa1503e0 97ffdd37 17ffff17 (d4210000) ---[ end trace 910019fcd166fbce ]---