===================================================== 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] do_pollfd fs/select.c:870 [inline] do_poll fs/select.c:913 [inline] do_sys_poll+0xece/0x2090 fs/select.c:1009 __do_sys_ppoll fs/select.c:1115 [inline] __se_sys_ppoll+0x452/0x530 fs/select.c:1095 __x64_sys_ppoll+0xe4/0x150 fs/select.c:1095 x64_sys_call+0x3623/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:272 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f 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:3828 [inline] path_openat+0x5667/0x6210 fs/namei.c:3987 do_filp_open+0x268/0x600 fs/namei.c:4014 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_sys_openat fs/open.c:1458 [inline] __se_sys_openat fs/open.c:1453 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1453 x64_sys_call+0x36f5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f 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:3828 [inline] path_openat+0x5667/0x6210 fs/namei.c:3987 do_filp_open+0x268/0x600 fs/namei.c:4014 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_sys_openat fs/open.c:1458 [inline] __se_sys_openat fs/open.c:1453 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1453 x64_sys_call+0x36f5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f 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:3828 [inline] path_openat+0x5667/0x6210 fs/namei.c:3987 do_filp_open+0x268/0x600 fs/namei.c:4014 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_sys_openat fs/open.c:1458 [inline] __se_sys_openat fs/open.c:1453 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1453 x64_sys_call+0x36f5/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 6999 Comm: syz.0.371 Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 =====================================================