| 8fb59947-4c60-4bd1-9fc6-9191e8757bed |
assessment-security |
|
💥 |
KCSAN: data-race in atime_needs_update / inode_update_time |
2026/05/14 14:30 |
2026/05/14 14:30 |
2026/05/14 14:32 |
6ccb967e465e832a7bfd7a116ad00d52a0923a5d |
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/8c6e15d41c20fb8b7f54965857ec781682100fdb" "-s" "bzImage" "compile_commands.json"]: exit status 2
Root cause:
error: unable to open output file 'net/packet/af_packet.o': 'No such file or directory'
error: unable to open output file 'net/packet/diag.o': 'No such file or directory'
error: unable to open output file 'drivers/misc/cardreader/rtsx_usb.o': 'No such file or directory'
mkdir: cannot create directory 'net/packet': No space left on device
fixdep: not all data was written to the output
make[5]: *** [/app/workdir/cache/src/f667aa61a6c19afbf475f9cae2fe8c478bc3495d/scripts/Makefile.build:289: net/ethtool/stats.o] Error 1
make[5]: *** Deleting file 'net/ethtool/stats.o'
make[4]: *** [/app/workdir/cache/src/f667aa61a6c19afbf475f9cae2fe8c478bc3495d/scripts/Makefile.build:548: net/ethtool] Error 2
make[4]: *** Waiting for unfinished jobs....
fixdep: not all data was written to the output
make[5]: *** [/app/workdir/cache/src/f667aa61a6c19afbf475f9cae2fe8c478bc3495d/scripts/Makefile.build:289: net/ipv6/ip6_output.o] Error 1
make[5]: *** Deleting file 'net/ipv6/ip6_output.o'
make[5]: *** Waiting for unfinished jobs....
error: unable to open output file 'net/packet/af_packet.o': 'No such file or directory'
1 error generated.
fatal error: error in backend: IO failure on output stream: No space left on device
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /usr/bin/clang --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -fmacro-prefix-map=/app/workdir/cache/src/f667aa61a6c19afbf475f9cae2fe8c478bc3495d/= -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-extensions -Wno-gnu -Wno-microsoft-anon-tag -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -mno-sse4a -fcf-protection=branch -fno-jump-tables -m64 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mstack-alignment=8 -mskip-rax-setup -march=x86-64 -mtune=generic -mno-red-zone -mcmodel=kernel -mstack-protector-guard-reg=gs -mstack-protector-guard-symbol=__ref_stack_chk_guard -Wno-sign-compare -fno-asynchronous-unwind-tables -mretpoline-external-thunk -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection -falign-functions=16 -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=2048 -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-format-overflow -Wno-override-init -Wno-pointer-to-enum-cast -Wno-tautological-constant-out-of-range-compare -Wno-unaligned-access -Wno-enum-compare-conditional -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -g -gdwarf-4 -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -fsanitize=thread -fno-optimize-sibling-calls -mllvm -tsan-compound-read-before-write=1 -mllvm -tsan-distinguish-volatile=1 -mllvm -tsan-instrument-func-entry-exit=0 -fdebug-info-for-profiling -mllvm -enable-fs-discriminator=true -mllvm -improved-fs-discrimina |
| 863eefe2-fc56-40ac-8008-60edafd86f77 |
repro |
|
❓ |
KCSAN: data-race in atime_needs_update / inode_update_time |
2026/03/06 21:12 |
2026/03/06 21:12 |
2026/03/06 21:19 |
31e9c887f7dc24e04b3ca70d0d54fc34141844b0 |
|
| 2f793434-49e4-4b73-bc00-5546e1b2224d |
assessment-kcsan |
Benign: ✅
Confident: ✅
|
❓ |
KCSAN: data-race in atime_needs_update / inode_update_time |
2026/02/24 17:52 |
2026/02/24 17:52 |
2026/02/24 17:55 |
305c0ec5cd886e2d13738e28e1b2df9b0ec20fc9 |
|
| 7b459f6c-ff37-4a5f-a585-61f8c89fb503 |
assessment-kcsan |
|
💥 |
KCSAN: data-race in atime_needs_update / inode_update_time |
2026/02/10 05:42 |
2026/02/10 05:42 |
2026/02/10 05:47 |
97745f52f5b9361548048f53f0b3b51b9313fedf |
fork/exec ./syz-agent: no such file or directory |