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Message-ID: <68ca8cba.050a0220.3c6139.0fa5.GAE@google.com>
Date: Wed, 17 Sep 2025 03:26:02 -0700
From: syzbot <syzbot+78cae3f37c62ad092caa@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	viswanathiyyappan@...il.com
Subject: Re: [syzbot] [net?] [usb?] WARNING in rtl8150_start_xmit/usb_submit_urb

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "64" "ARCH=x86_64" "LLVM=1" "bzImage"]: exit status 2
  GEN     arch/x86/include/generated/asm/orc_hash.h
  WRAP    arch/x86/include/generated/uapi/asm/bpf_perf_event.h
  HOSTCC  scripts/basic/fixdep
  UPD     include/config/kernel.release
  WRAP    arch/x86/include/generated/uapi/asm/errno.h
  WRAP    arch/x86/include/generated/uapi/asm/fcntl.h
  WRAP    arch/x86/include/generated/uapi/asm/ioctl.h
  WRAP    arch/x86/include/generated/uapi/asm/ioctls.h
  SYSHDR  arch/x86/include/generated/uapi/asm/unistd_32.h
  WRAP    arch/x86/include/generated/uapi/asm/ipcbuf.h
  WRAP    arch/x86/include/generated/uapi/asm/param.h
  UPD     include/generated/uapi/linux/version.h
  SYSHDR  arch/x86/include/generated/uapi/asm/unistd_64.h
  WRAP    arch/x86/include/generated/uapi/asm/poll.h
  SYSHDR  arch/x86/include/generated/uapi/asm/unistd_x32.h
  WRAP    arch/x86/include/generated/uapi/asm/resource.h
  SYSTBL  arch/x86/include/generated/asm/syscalls_32.h
  WRAP    arch/x86/include/generated/uapi/asm/socket.h
  SYSHDR  arch/x86/include/generated/asm/unistd_32_ia32.h
  WRAP    arch/x86/include/generated/uapi/asm/sockios.h
  SYSHDR  arch/x86/include/generated/asm/unistd_64_x32.h
  WRAP    arch/x86/include/generated/uapi/asm/termbits.h
  SYSTBL  arch/x86/include/generated/asm/syscalls_64.h
  WRAP    arch/x86/include/generated/uapi/asm/termios.h
  WRAP    arch/x86/include/generated/uapi/asm/types.h
  UPD     include/generated/utsrelease.h
  UPD     arch/x86/include/generated/asm/cpufeaturemasks.h
  WRAP    arch/x86/include/generated/asm/early_ioremap.h
  WRAP    arch/x86/include/generated/asm/fprobe.h
  WRAP    arch/x86/include/generated/asm/mcs_spinlock.h
  WRAP    arch/x86/include/generated/asm/mmzone.h
  WRAP    arch/x86/include/generated/asm/irq_regs.h
  WRAP    arch/x86/include/generated/asm/kmap_size.h
  WRAP    arch/x86/include/generated/asm/local64.h
  WRAP    arch/x86/include/generated/asm/mmiowb.h
  WRAP    arch/x86/include/generated/asm/module.lds.h
  WRAP    arch/x86/include/generated/asm/rwonce.h
  WRAP    arch/x86/include/generated/asm/unwind_user.h
  UPD     include/generated/compile.h
  DESCEND objtool
  HOSTCC  arch/x86/tools/relocs_32.o
  HOSTCC  arch/x86/tools/relocs_64.o
  HOSTCC  arch/x86/tools/relocs_common.o
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/dtc/flattree.o
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTCC  scripts/dtc/checks.o
  HOSTCC  scripts/dtc/util.o
  LEX     scripts/dtc/dtc-lexer.lex.c
  YACC    scripts/dtc/dtc-parser.tab.[ch]
  HOSTCC  scripts/dtc/libfdt/fdt.o
  HOSTCC  scripts/dtc/libfdt/fdt_ro.o
  HOSTCC  scripts/dtc/libfdt/fdt_wip.o
  HOSTCC  scripts/dtc/libfdt/fdt_sw.o
  HOSTCC  scripts/dtc/libfdt/fdt_rw.o
  HOSTCC  scripts/dtc/libfdt/fdt_strerror.o
  HOSTCC  scripts/dtc/libfdt/fdt_empty_tree.o
  HOSTCC  scripts/dtc/libfdt/fdt_addresses.o
  HOSTCC  scripts/dtc/libfdt/fdt_overlay.o
  HOSTCC  scripts/dtc/fdtoverlay.o
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  HOSTLD  arch/x86/tools/relocs
  INSTALL /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/include/subcmd/exec-cmd.h
  INSTALL /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/include/subcmd/help.h
  INSTALL /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/include/subcmd/pager.h
  INSTALL /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/include/subcmd/parse-options.h
  INSTALL /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/include/subcmd/run-command.h
  INSTALL libsubcmd_headers
  HOSTLD  scripts/dtc/fdtoverlay
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/exec-cmd.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/help.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/pager.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/parse-options.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/run-command.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/sigchain.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/subcmd-config.o
  HOSTLD  scripts/dtc/dtc
  HOSTRUSTC scripts/generate_rust_target
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/sorttable
  HOSTCC  scripts/asn1_compiler
  HOSTCC  scripts/gendwarfksyms/gendwarfksyms.o
  HOSTCC  scripts/gendwarfksyms/cache.o
  HOSTCC  scripts/gendwarfksyms/die.o
  HOSTCC  scripts/gendwarfksyms/dwarf.o
  HOSTCC  scripts/gendwarfksyms/kabi.o
  HOSTCC  scripts/gendwarfksyms/symbols.o
  HOSTCC  scripts/gendwarfksyms/types.o
  HOSTCC  scripts/sign-file
  LD      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/libsubcmd-in.o
  AR      /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/libsubcmd.a
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/weak.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/check.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/special.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/special.o
  MKDIR   /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/builtin-check.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/orc.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/elf.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/orc_gen.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/orc_dump.o
  GEN     /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/inat-tables.c
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libstring.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/libctype.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/str_error_r.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/librbtree.o
  CC      /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/decode.o
  HOSTLD  scripts/gendwarfksyms/gendwarfksyms
  LD      /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/objtool-in.o
  LD      /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool-in.o
  LINK    /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool
  UPD     scripts/target.json
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  CC      scripts/mod/devicetable-offsets.s
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTCC  scripts/mod/symsearch.o
  UPD     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTLD  scripts/mod/modpost
  CC      kernel/bounds.s
  CHKSHA1 include/linux/atomic/atomic-arch-fallback.h
  CHKSHA1 include/linux/atomic/atomic-instrumented.h
  CHKSHA1 include/linux/atomic/atomic-long.h
  UPD     include/generated/timeconst.h
  UPD     include/generated/bounds.h
  CC      arch/x86/kernel/asm-offsets.s
  UPD     include/generated/asm-offsets.h
  CALL    scripts/checksyscalls.sh
  RUSTC L rust/core.o
  BINDGEN rust/bindings/bindings_generated.rs
  BINDGEN rust/bindings/bindings_helpers_generated.rs
  CC      rust/helpers/helpers.o
  RUSTC P rust/libpin_init_internal.so
  RUSTC P rust/libmacros.so
  BINDGEN rust/uapi/uapi_generated.rs
  RSCPP     rust/kernel/generated_arch_static_branch_asm.rs
  RSCPP     rust/kernel/generated_arch_warn_asm.rs
  RSCPP     rust/kernel/generated_arch_reachable_asm.rs
  EXPORTS rust/exports_helpers_generated.h
  EXPORTS rust/exports_core_generated.h
  RUSTC L rust/compiler_builtins.o
  RUSTC L rust/ffi.o
  RUSTC L rust/pin_init.o
  RUSTC L rust/build_error.o
  RUSTC L rust/bindings.o
  RUSTC L rust/uapi.o
  EXPORTS rust/exports_bindings_generated.h
  RUSTC L rust/kernel.o
error: expected one of `,` or `}`, found `;`
  --> rust/kernel/block/mq/gen_disk.rs:12:23
   |
12 |     fmt::{self, Write};
   |                       ^
   |                       |
   |                       expected one of `,` or `}`
   |                       help: missing `,`

error: aborting due to 1 previous error

make[2]: *** [rust/Makefile:553: rust/kernel.o] Error 1
make[1]: *** [/syzkaller/jobs-2/linux/kernel/Makefile:1286: prepare] Error 2
make: *** [Makefile:248: __sub-make] Error 2



Tested on:

commit:         05af7647 Add linux-next specific files for 20250916
git tree:       linux-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=ae76068823a236b3
dashboard link: https://syzkaller.appspot.com/bug?extid=78cae3f37c62ad092caa
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=124d0f62580000

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