F2FS-fs (loop2): Mounted with checkpoint version = 1b41e954 capability: warning: `syz.2.158' uses deprecated v2 capabilities in a way that may be insecure ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3292:19 index 18446744073709500059 is out of range for type '__le32[923]' (aka 'unsigned int[923]') CPU: 1 UID: 0 PID: 7218 Comm: syz.2.158 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0xf8/0x148 lib/ubsan.c:429 inline_xattr_addr+0x574/0x580 fs/f2fs/f2fs.h:3292 read_inline_xattr fs/f2fs/xattr.c:289 [inline] lookup_all_xattrs fs/f2fs/xattr.c:341 [inline] f2fs_getxattr+0x5b4/0x1064 fs/f2fs/xattr.c:533 f2fs_xattr_generic_get+0x130/0x174 fs/f2fs/xattr.c:63 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423 smk_fetch+0xc8/0x150 security/smack/smack_lsm.c:306 smack_d_instantiate+0x594/0x880 security/smack/smack_lsm.c:3615 security_d_instantiate+0x100/0x204 security/security.c:4070 d_splice_alias+0x70/0x310 fs/dcache.c:3001 f2fs_lookup+0x4c8/0x948 fs/f2fs/namei.c:523 lookup_open fs/namei.c:3627 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0xf7c/0x2b14 fs/namei.c:3984 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 ---[ end trace ]--- ================================================================== BUG: KASAN: slab-out-of-bounds in read_inline_xattr fs/f2fs/xattr.c:291 [inline] BUG: KASAN: slab-out-of-bounds in lookup_all_xattrs fs/f2fs/xattr.c:341 [inline] BUG: KASAN: slab-out-of-bounds in f2fs_getxattr+0x5c8/0x1064 fs/f2fs/xattr.c:533 Read of size 209920 at addr ffff0000d4cbbbd4 by task syz.2.158/7218 CPU: 1 UID: 0 PID: 7218 Comm: syz.2.158 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x198/0x538 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 kasan_check_range+0x268/0x2a8 mm/kasan/generic.c:189 __asan_memcpy+0x3c/0x84 mm/kasan/shadow.c:105 read_inline_xattr fs/f2fs/xattr.c:291 [inline] lookup_all_xattrs fs/f2fs/xattr.c:341 [inline] f2fs_getxattr+0x5c8/0x1064 fs/f2fs/xattr.c:533 f2fs_xattr_generic_get+0x130/0x174 fs/f2fs/xattr.c:63 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423 smk_fetch+0xc8/0x150 security/smack/smack_lsm.c:306 smack_d_instantiate+0x594/0x880 security/smack/smack_lsm.c:3615 security_d_instantiate+0x100/0x204 security/security.c:4070 d_splice_alias+0x70/0x310 fs/dcache.c:3001 f2fs_lookup+0x4c8/0x948 fs/f2fs/namei.c:523 lookup_open fs/namei.c:3627 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0xf7c/0x2b14 fs/namei.c:3984 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 6576: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:568 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4298 [inline] __kmalloc_noprof+0x32c/0x54c mm/slub.c:4310 kmalloc_noprof include/linux/slab.h:905 [inline] tomoyo_realpath_from_path+0xc8/0x4cc security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x1ec/0x6a8 security/tomoyo/file.c:723 tomoyo_path_mknod+0x168/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0x17c/0x3a0 security/security.c:1894 may_o_create fs/namei.c:3468 [inline] lookup_open fs/namei.c:3612 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0xaf0/0x2b14 fs/namei.c:3984 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 6576: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x180/0x478 mm/slub.c:4761 tomoyo_realpath_from_path+0x484/0x4cc security/tomoyo/realpath.c:286 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x1ec/0x6a8 security/tomoyo/file.c:723 tomoyo_path_mknod+0x168/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0x17c/0x3a0 security/security.c:1894 may_o_create fs/namei.c:3468 [inline] lookup_open fs/namei.c:3612 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0xaf0/0x2b14 fs/namei.c:3984 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000d4cba000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 3028 bytes to the right of allocated 4096-byte region [ffff0000d4cba000, ffff0000d4cbb000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114cb8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c0002140 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 head: 05ffc00000000040 ffff0000c0002140 dead000000000122 0000000000000000 head: 0000000000000000 0000000000040004 00000001f5000000 0000000000000000 head: 05ffc00000000003 fffffdffc3532e01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000d4cbba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000d4cbbb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000d4cbbb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000d4cbbc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000d4cbbc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc 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