================================================================== BUG: KASAN: slab-use-after-free in __ptep_get arch/arm64/include/asm/pgtable.h:420 [inline] BUG: KASAN: slab-use-after-free in ptep_get arch/arm64/include/asm/pgtable.h:1755 [inline] BUG: KASAN: slab-use-after-free in filemap_map_folio_range mm/filemap.c:3633 [inline] BUG: KASAN: slab-use-after-free in filemap_map_pages+0xa94/0x155c mm/filemap.c:3749 Read of size 8 at addr ffff0000c6ff8000 by task syz.6.315/8309 CPU: 0 UID: 0 PID: 8309 Comm: syz.6.315 Not tainted 6.16.0-rc6-syzkaller-gaaef6f251176 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_address_description+0xa8/0x220 mm/kasan/report.c:378 print_report+0x68/0x84 mm/kasan/report.c:480 kasan_report+0xb0/0x110 mm/kasan/report.c:593 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 __ptep_get arch/arm64/include/asm/pgtable.h:420 [inline] ptep_get arch/arm64/include/asm/pgtable.h:1755 [inline] filemap_map_folio_range mm/filemap.c:3633 [inline] filemap_map_pages+0xa94/0x155c mm/filemap.c:3749 do_fault_around mm/memory.c:5548 [inline] do_read_fault mm/memory.c:5581 [inline] do_fault mm/memory.c:5724 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault mm/memory.c:6212 [inline] handle_mm_fault+0x2b68/0x4d38 mm/memory.c:6381 faultin_page mm/gup.c:1186 [inline] __get_user_pages+0x1ddc/0x309c mm/gup.c:1488 populate_vma_page_range+0x218/0x2e8 mm/gup.c:1926 __mm_populate+0x208/0x330 mm/gup.c:2029 mm_populate include/linux/mm.h:3353 [inline] vm_mmap_pgoff+0x378/0x43c mm/util.c:584 ksys_mmap_pgoff+0x394/0x5b8 mm/mmap.c:607 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Allocated by task 6144: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4328 [inline] __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] tomoyo_realpath_from_path+0xc4/0x4d4 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x1c4/0x3dc security/tomoyo/file.c:822 tomoyo_inode_getattr+0x28/0x38 security/tomoyo/tomoyo.c:123 security_inode_getattr+0x118/0x300 security/security.c:2377 vfs_getattr fs/stat.c:259 [inline] vfs_statx_path fs/stat.c:299 [inline] vfs_statx+0x178/0x4bc fs/stat.c:356 vfs_fstatat+0x100/0x150 fs/stat.c:375 __do_sys_newfstatat fs/stat.c:542 [inline] __se_sys_newfstatat fs/stat.c:536 [inline] __arm64_sys_newfstatat+0x100/0x180 fs/stat.c:536 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Freed by task 6144: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2381 [inline] slab_free mm/slub.c:4643 [inline] kfree+0x17c/0x474 mm/slub.c:4842 tomoyo_realpath_from_path+0x48c/0x4d4 security/tomoyo/realpath.c:286 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x1c4/0x3dc security/tomoyo/file.c:822 tomoyo_inode_getattr+0x28/0x38 security/tomoyo/tomoyo.c:123 security_inode_getattr+0x118/0x300 security/security.c:2377 vfs_getattr fs/stat.c:259 [inline] vfs_statx_path fs/stat.c:299 [inline] vfs_statx+0x178/0x4bc fs/stat.c:356 vfs_fstatat+0x100/0x150 fs/stat.c:375 __do_sys_newfstatat fs/stat.c:542 [inline] __se_sys_newfstatat fs/stat.c:536 [inline] __arm64_sys_newfstatat+0x100/0x180 fs/stat.c:536 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 The buggy address belongs to the object at ffff0000c6ff8000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes inside of freed 4096-byte region [ffff0000c6ff8000, ffff0000c6ff9000) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106ff8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c0002140 0000000000000000 0000000000000001 raw: 0000000000000000 0000000000040004 00000000f5000000 0000000000000000 head: 05ffc00000000040 ffff0000c0002140 0000000000000000 0000000000000001 head: 0000000000000000 0000000000040004 00000000f5000000 0000000000000000 head: 05ffc00000000003 fffffdffc31bfe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c6ff7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000c6ff7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000c6ff8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000c6ff8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000c6ff8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== page: refcount:34 mapcount:0 mapping:00000000d80e537f index:0x340 pfn:0x123520 head: order:5 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff0000da901900 aops:xfs_address_space_operations ino:2446 dentry name(?):"file1" flags: 0x5ffc00000004069(locked|uptodate|lru|private|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000004069 fffffdffc38465c8 fffffdffc3a2f008 ffff0000f6fe0bc8 raw: 0000000000000340 ffff0000db700300 00000022ffffffff ffff0000da901900 head: 05ffc00000004069 fffffdffc38465c8 fffffdffc3a2f008 ffff0000f6fe0bc8 head: 0000000000000340 ffff0000db700300 00000022ffffffff ffff0000da901900 head: 05ffc00000000205 fffffdffc38d4801 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000020 page dumped because: VM_WARN_ON_FOLIO((_Generic((page + nr_pages - 1), const struct page *: (const struct folio *)_compound_head(page + nr_pages - 1), struct page *: (struct folio *)_compound_head(page + nr_pages - 1))) != folio) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8309 at ./include/linux/rmap.h:427 __folio_rmap_sanity_checks include/linux/rmap.h:427 [inline] WARNING: CPU: 0 PID: 8309 at ./include/linux/rmap.h:427 __folio_add_rmap mm/rmap.c:1252 [inline] WARNING: CPU: 0 PID: 8309 at ./include/linux/rmap.h:427 __folio_add_file_rmap mm/rmap.c:1620 [inline] WARNING: CPU: 0 PID: 8309 at ./include/linux/rmap.h:427 folio_add_file_rmap_ptes+0x890/0xa80 mm/rmap.c:1642 Modules linked in: CPU: 0 UID: 0 PID: 8309 Comm: syz.6.315 Tainted: G B 6.16.0-rc6-syzkaller-gaaef6f251176 #0 PREEMPT Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __folio_rmap_sanity_checks include/linux/rmap.h:427 [inline] pc : __folio_add_rmap mm/rmap.c:1252 [inline] pc : __folio_add_file_rmap mm/rmap.c:1620 [inline] pc : folio_add_file_rmap_ptes+0x890/0xa80 mm/rmap.c:1642 lr : __folio_rmap_sanity_checks include/linux/rmap.h:427 [inline] lr : __folio_add_rmap mm/rmap.c:1252 [inline] lr : __folio_add_file_rmap mm/rmap.c:1620 [inline] lr : folio_add_file_rmap_ptes+0x890/0xa80 mm/rmap.c:1642 sp : ffff80009c5672d0 x29: ffff80009c567310 x28: ffff0000d5be9c80 x27: 0000000020340000 x26: 0020000123520fc3 x25: 00000000000004c0 x24: fffffdffc38d4830 x23: fffffdffc38d4800 x22: dfff800000000000 x21: fffffdffc38e7800 x20: fffffdffc38e7788 x19: fffffdffc38d4800 x18: 1fffe000337d1c76 x17: 0000000000000000 x16: ffff80008ae67e88 x15: ffff700011ee0158 x14: 1ffff00011ee0158 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000080000 x10: 000000000007ffff x9 : 5c8047f4919ee000 x8 : 5c8047f4919ee000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009c5669d8 x4 : ffff80008f776bc0 x3 : ffff80008054bf18 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 00000000000000e5 Call trace: __folio_rmap_sanity_checks include/linux/rmap.h:427 [inline] (P) __folio_add_rmap mm/rmap.c:1252 [inline] (P) __folio_add_file_rmap mm/rmap.c:1620 [inline] (P) folio_add_file_rmap_ptes+0x890/0xa80 mm/rmap.c:1642 (P) set_pte_range+0x2e4/0x49c mm/memory.c:5328 filemap_map_folio_range mm/filemap.c:3640 [inline] filemap_map_pages+0xb54/0x155c mm/filemap.c:3749 do_fault_around mm/memory.c:5548 [inline] do_read_fault mm/memory.c:5581 [inline] do_fault mm/memory.c:5724 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault mm/memory.c:6212 [inline] handle_mm_fault+0x2b68/0x4d38 mm/memory.c:6381 faultin_page mm/gup.c:1186 [inline] __get_user_pages+0x1ddc/0x309c mm/gup.c:1488 populate_vma_page_range+0x218/0x2e8 mm/gup.c:1926 __mm_populate+0x208/0x330 mm/gup.c:2029 mm_populate include/linux/mm.h:3353 [inline] vm_mmap_pgoff+0x378/0x43c mm/util.c:584 ksys_mmap_pgoff+0x394/0x5b8 mm/mmap.c:607 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 56913 hardirqs last enabled at (56913): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (56913): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (56912): [] handle_softirqs+0x988/0xc88 kernel/softirq.c:594 softirqs last enabled at (56344): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (56344): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (56191): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8309 at ./include/linux/rmap.h:214 __folio_large_mapcount_sanity_checks+0x3d4/0x5dc include/linux/rmap.h:214 Modules linked in: CPU: 0 UID: 0 PID: 8309 Comm: syz.6.315 Tainted: G B W 6.16.0-rc6-syzkaller-gaaef6f251176 #0 PREEMPT Tainted: [B]=BAD_PAGE, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __folio_large_mapcount_sanity_checks+0x3d4/0x5dc include/linux/rmap.h:214 lr : __folio_large_mapcount_sanity_checks+0x3d4/0x5dc include/linux/rmap.h:214 sp : ffff80009c567270 x29: ffff80009c567270 x28: 0000000080000000 x27: 1fffffbff871a90f x26: 1fffffbff871a900 x25: 1fffffbff871a901 x24: dfff800000000000 x23: 00000000000004c0 x22: fffffdffc38d4878 x21: 0000000000000020 x20: fffffdffc38d4808 x19: fffffdffc38d4800 x18: 1fffe000337d1c76 x17: 0000000000000000 x16: ffff80008ae67e88 x15: 0000000000000001 x14: 1fffffbff871a90d x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a2f6a000 x8 : 0000000000080000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009c5669d8 x4 : ffff80008f776bc0 x3 : ffff800080b32f84 x2 : 000000000000002f x1 : 00000000000004c0 x0 : 0000000000000020 Call trace: __folio_large_mapcount_sanity_checks+0x3d4/0x5dc include/linux/rmap.h:214 (P) folio_add_return_large_mapcount include/linux/rmap.h:250 [inline] __folio_add_rmap mm/rmap.c:1279 [inline] __folio_add_file_rmap mm/rmap.c:1620 [inline] folio_add_file_rmap_ptes+0x47c/0xa80 mm/rmap.c:1642 set_pte_range+0x2e4/0x49c mm/memory.c:5328 filemap_map_folio_range mm/filemap.c:3640 [inline] filemap_map_pages+0xb54/0x155c mm/filemap.c:3749 do_fault_around mm/memory.c:5548 [inline] do_read_fault mm/memory.c:5581 [inline] do_fault mm/memory.c:5724 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault mm/memory.c:6212 [inline] handle_mm_fault+0x2b68/0x4d38 mm/memory.c:6381 faultin_page mm/gup.c:1186 [inline] __get_user_pages+0x1ddc/0x309c mm/gup.c:1488 populate_vma_page_range+0x218/0x2e8 mm/gup.c:1926 __mm_populate+0x208/0x330 mm/gup.c:2029 mm_populate include/linux/mm.h:3353 [inline] vm_mmap_pgoff+0x378/0x43c mm/util.c:584 ksys_mmap_pgoff+0x394/0x5b8 mm/mmap.c:607 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 56913 hardirqs last enabled at (56913): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (56913): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (56912): [] handle_softirqs+0x988/0xc88 kernel/softirq.c:594 softirqs last enabled at (56344): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (56344): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (56191): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:120! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 8309 Comm: syz.6.315 Tainted: G B W 6.16.0-rc6-syzkaller-gaaef6f251176 #0 PREEMPT Tainted: [B]=BAD_PAGE, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : page_table_check_set+0x56c/0x590 mm/page_table_check.c:120 lr : page_table_check_set+0x56c/0x590 mm/page_table_check.c:120 sp : ffff80009c567180 x29: ffff80009c567190 x28: ffff80008f99e000 x27: 0000000000000002 x26: ffff0000c075ac08 x25: 0000000000000002 x24: 0000000000000001 x23: ffff0000c075ac08 x22: 0000000000123580 x21: 0000000000000000 x20: 0000000000000010 x19: 1ffff00012e84398 x18: 1fffe000337d1c76 x17: 0000000000000000 x16: ffff80008aeff684 x15: 0000000000000001 x14: 1fffe000180eb581 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : ffff8000a2f6a000 x8 : 0000000000080000 x7 : 0000000000000001 x6 : ffff800080ce3ee8 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800080ce342c x2 : 0000000000000000 x1 : 0000000000000002 x0 : 0000000000000000 Call trace: page_table_check_set+0x56c/0x590 mm/page_table_check.c:120 (P) __page_table_check_ptes_set+0x2a8/0x2e0 mm/page_table_check.c:209 page_table_check_ptes_set include/linux/page_table_check.h:76 [inline] __set_ptes_anysz arch/arm64/include/asm/pgtable.h:723 [inline] __set_ptes+0x4a0/0x504 arch/arm64/include/asm/pgtable.h:755 contpte_set_ptes+0x120/0x188 arch/arm64/mm/contpte.c:464 set_ptes arch/arm64/include/asm/pgtable.h:1800 [inline] set_pte_range+0x3ec/0x49c mm/memory.c:5330 filemap_map_folio_range mm/filemap.c:3640 [inline] filemap_map_pages+0xb54/0x155c mm/filemap.c:3749 do_fault_around mm/memory.c:5548 [inline] do_read_fault mm/memory.c:5581 [inline] do_fault mm/memory.c:5724 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault mm/memory.c:6212 [inline] handle_mm_fault+0x2b68/0x4d38 mm/memory.c:6381 faultin_page mm/gup.c:1186 [inline] __get_user_pages+0x1ddc/0x309c mm/gup.c:1488 populate_vma_page_range+0x218/0x2e8 mm/gup.c:1926 __mm_populate+0x208/0x330 mm/gup.c:2029 mm_populate include/linux/mm.h:3353 [inline] vm_mmap_pgoff+0x378/0x43c mm/util.c:584 ksys_mmap_pgoff+0x394/0x5b8 mm/mmap.c:607 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: aa1603e0 97fd6012 17fffee6 97e8ed4c (d4210000) ---[ end trace 0000000000000000 ]---