===================================================== BUG: KMSAN: uninit-value in full_proxy_poll+0xdf/0x3b0 fs/debugfs/file.c:411 full_proxy_poll+0xdf/0x3b0 fs/debugfs/file.c:411 vfs_poll include/linux/poll.h:82 [inline] aio_poll fs/aio.c:1926 [inline] __io_submit_one fs/aio.c:2015 [inline] io_submit_one+0x1c55/0x3280 fs/aio.c:2052 __do_compat_sys_io_submit fs/aio.c:2153 [inline] __se_compat_sys_io_submit+0x287/0x720 fs/aio.c:2123 __ia32_compat_sys_io_submit+0x93/0xe0 fs/aio.c:2123 ia32_sys_call+0x2f60/0x4180 arch/x86/include/generated/asm/syscalls_32.h:249 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was stored to memory at: __debugfs_file_get+0xe59/0xef0 fs/debugfs/file.c:120 full_proxy_open_regular+0x67/0xa00 fs/debugfs/file.c:447 do_dentry_open+0x1bdd/0x26b0 fs/open.c:955 vfs_open+0x53/0x5b0 fs/open.c:1085 do_open fs/namei.c:3830 [inline] path_openat+0x56a1/0x6250 fs/namei.c:3989 do_filp_open+0x268/0x600 fs/namei.c:4016 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_compat_sys_openat fs/open.c:1504 [inline] __se_compat_sys_openat fs/open.c:1502 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1502 ia32_sys_call+0x2fb4/0x4180 arch/x86/include/generated/asm/syscalls_32.h:296 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was stored to memory at: __debugfs_file_get+0xdff/0xef0 fs/debugfs/file.c:118 full_proxy_open_regular+0x67/0xa00 fs/debugfs/file.c:447 do_dentry_open+0x1bdd/0x26b0 fs/open.c:955 vfs_open+0x53/0x5b0 fs/open.c:1085 do_open fs/namei.c:3830 [inline] path_openat+0x56a1/0x6250 fs/namei.c:3989 do_filp_open+0x268/0x600 fs/namei.c:4016 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_compat_sys_openat fs/open.c:1504 [inline] __se_compat_sys_openat fs/open.c:1502 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1502 ia32_sys_call+0x2fb4/0x4180 arch/x86/include/generated/asm/syscalls_32.h:296 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: slab_post_alloc_hook mm/slub.c:4121 [inline] slab_alloc_node mm/slub.c:4164 [inline] __kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [inline] __debugfs_file_get+0x31d/0xef0 fs/debugfs/file.c:101 full_proxy_open_regular+0x67/0xa00 fs/debugfs/file.c:447 do_dentry_open+0x1bdd/0x26b0 fs/open.c:955 vfs_open+0x53/0x5b0 fs/open.c:1085 do_open fs/namei.c:3830 [inline] path_openat+0x56a1/0x6250 fs/namei.c:3989 do_filp_open+0x268/0x600 fs/namei.c:4016 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_compat_sys_openat fs/open.c:1504 [inline] __se_compat_sys_openat fs/open.c:1502 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1502 ia32_sys_call+0x2fb4/0x4180 arch/x86/include/generated/asm/syscalls_32.h:296 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 UID: 0 PID: 8116 Comm: syz.8.480 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 =====================================================