==================================== WARNING: syz.3.395/6091 still has locks held! syzkaller #0 Not tainted ------------------------------------ 1 lock held by syz.3.395/6091: #0: ffff0000cf1b4258 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_lock+0x24/0x34 net/devlink/core.c:292 stack backtrace: CPU: 1 UID: 0 PID: 6091 Comm: syz.3.395 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_held_locks_bug+0x90/0x98 kernel/locking/lockdep.c:6752 debug_check_no_locks_held+0x28/0x34 kernel/locking/lockdep.c:6760 try_to_freeze include/linux/freezer.h:62 [inline] usermodehelper_read_trylock+0x1d8/0x294 kernel/umh.c:230 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:147 [inline] firmware_fallback_sysfs+0x158/0x918 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xb34/0xf5c drivers/base/firmware_loader/main.c:898 request_firmware+0x4c/0x70 drivers/base/firmware_loader/main.c:948 devlink_compat_flash_update+0x134/0x27c net/devlink/dev.c:1247 dev_ethtool+0x63c/0x1c40 net/ethtool/ioctl.c:3676 dev_ioctl+0x2a4/0xcf0 net/core/dev_ioctl.c:751 sock_do_ioctl+0x198/0x254 net/socket.c:1314 sock_ioctl+0x55c/0x7ec net/socket.c:1421 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594