Code: 56 dc 61 8f e8 e3 22 a4 fc c6 00 00 c6 05 4f a3 e0 09 01 49 c7 86 80 0c 00 00 00 00 00 00 48 c7 c7 d7 ce a8 8e e8 32 f6 d5 fb <0f> 0b e9 8f fe ff ff 8b 3a e8 e4 2e a4 fc f6 c3 01 0f 85 7a fe ff RSP: 0018:ffff8880a08cbbb8 EFLAGS: 00010246 RAX: f1f845e8b279f200 RBX: 0000000000000000 RCX: ffff8880a0b0a080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a08cbbd0 R08: ffffffff817becc4 R09: ffff8880a00cb870 R10: ffff8880a08cb6f8 R11: ffff888228b21f60 R12: ffff8880a0b0abb0 ===================================================== BUG: KMSAN: uninit-value in __show_regs+0xbbb/0xc90 arch/x86/kernel/process_64.c:89 __show_regs+0xbbb/0xc90 arch/x86/kernel/process_64.c:89 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469 __warn+0x242/0x580 kernel/panic.c:618 report_bug+0x7ff/0xa10 lib/bug.c:198 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:317 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:338 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568 refcount_warn_saturate+0x2ce/0x320 lib/refcount.c:28 __refcount_sub_and_test include/linux/refcount.h:283 [inline] __refcount_dec_and_test include/linux/refcount.h:315 [inline] refcount_dec_and_test include/linux/refcount.h:333 [inline] kref_put+0x6e0/0x710 include/linux/kref.h:64 raw_release+0x2ba/0x410 drivers/usb/gadget/legacy/raw_gadget.c:424 __fput+0x643/0xea0 fs/file_table.c:320 ____fput+0x1a/0x20 fs/file_table.c:348 task_work_run+0x229/0x2c0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x2a9/0x320 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x16e/0x220 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x23/0x40 kernel/entry/common.c:296 __do_fast_syscall_32+0xb1/0x100 arch/x86/entry/common.c:181 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Local variable buffer created at: proc_fork_connector+0x43/0x470 drivers/connector/cn_proc.c:73 copy_process+0x64ba/0x69f0 kernel/fork.c:2483 CPU: 1 PID: 4403 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-61959-gbe8b0d020631 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================