loop0: detected capacity change from 0 to 1024 ===================================================== BUG: KMSAN: use-after-free in case_fold fs/hfsplus/unicode.c:23 [inline] BUG: KMSAN: use-after-free in hfsplus_strcasecmp+0x27e/0x730 fs/hfsplus/unicode.c:47 case_fold fs/hfsplus/unicode.c:23 [inline] hfsplus_strcasecmp+0x27e/0x730 fs/hfsplus/unicode.c:47 hfsplus_cat_case_cmp_key+0xb9/0x190 fs/hfsplus/catalog.c:26 hfs_find_rec_by_key+0xab/0x240 fs/hfsplus/bfind.c:89 __hfsplus_brec_find+0x274/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_brec_read+0x46/0x1f0 fs/hfsplus/bfind.c:211 hfsplus_fill_super+0x1b46/0x2740 fs/hfsplus/super.c:526 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1681 get_tree_bdev+0x38/0x50 fs/super.c:1704 hfsplus_get_tree+0x35/0x40 fs/hfsplus/super.c:640 vfs_get_tree+0xb0/0x5c0 fs/super.c:1804 do_new_mount+0x738/0x1610 fs/namespace.c:3902 path_mount+0x6db/0x1e90 fs/namespace.c:4226 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4427 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4427 x64_sys_call+0xfa7/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_free_hook mm/slub.c:2307 [inline] slab_free mm/slub.c:4643 [inline] kfree+0x252/0xec0 mm/slub.c:4842 syslog_print+0xe53/0xef0 kernel/printk/printk.c:1699 do_syslog+0x849/0xfe0 kernel/printk/printk.c:1785 __do_sys_syslog kernel/printk/printk.c:1877 [inline] __se_sys_syslog kernel/printk/printk.c:1875 [inline] __x64_sys_syslog+0x97/0x100 kernel/printk/printk.c:1875 x64_sys_call+0x3be3/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 6244 Comm: syz-executor.0 Not tainted 6.16.0-rc6-syzkaller-g155a3c003e55 #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================