ci2 starts bisection 2026-08-11 08:25:13.79909953 +0000 UTC m=+49559.414835832
bisecting cause commit starting from d58772d8520c7ef247c4b95c9bd76d3a25da9ff5
building syzkaller on 508909ea7a40f86e8559dc66f197abec6c862b01
ensuring issue is reproducible on original commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5

testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 99cc69ea088ae2b618e6fa4bd98bb3930845762a381ec795f4fe645c2d925410
run #0: crashed: general protection fault in detach_timer
run #1: crashed: general protection fault in detach_timer
run #2: crashed: general protection fault in detach_timer
run #3: crashed: general protection fault in detach_timer
run #4: crashed: general protection fault in detach_timer
run #5: crashed: general protection fault in detach_timer
run #6: crashed: general protection fault in detach_timer
run #7: crashed: general protection fault in detach_timer
run #8: crashed: general protection fault in detach_timer
run #9: crashed: general protection fault in detach_timer
run #10: crashed: general protection fault in detach_timer
run #11: crashed: general protection fault in detach_timer
run #12: crashed: general protection fault in detach_timer
run #13: crashed: general protection fault in detach_timer
run #14: crashed: general protection fault in detach_timer
run #15: crashed: general protection fault in detach_timer
run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.47" "mkdir" "-p" "ci2-upstream-fs-bisect-job"]: exit status 255
run #17: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.136" "mkdir" "-p" "ci2-upstream-fs-bisect-job"]: exit status 255
run #18: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.38" "mkdir" "-p" "ci2-upstream-fs-bisect-job"]: exit status 255
run #19: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.49" "mkdir" "-p" "ci2-upstream-fs-bisect-job"]: exit status 255
representative crash: general protection fault in detach_timer, types: [DoS]
check whether we can drop unnecessary instrumentation
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 345e26ccf8f4b12f100582327d96a49846f1818e8d66a0f2bf34ee1f79089417
run #0: crashed: general protection fault in set_ignore_ce
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in set_ignore_ce
run #6: crashed: general protection fault in set_ignore_ce
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: general protection fault in set_ignore_ce, types: [DoS UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
kconfig minimization: base=4167 full=8398 leaves diff=2094
split chunks (needed=false): <2094>
split chunk #0 of len 2094 into 5 parts
testing without sub-chunk 1/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: b798706b1c463b4e4f76d64b5de0631bb2a5575d9d2a4ce3ee450efc595e0a2e
run #0: crashed: general protection fault in set_ignore_ce
run #1: crashed: general protection fault in set_ignore_ce
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in set_ignore_ce
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: general protection fault in set_ignore_ce
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 90c3ee0b46b52c6d5a0808ef56c271f39d9f277020cbfedd095e361e3dc3f34a
run #0: crashed: general protection fault in set_ignore_ce
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: general protection fault in set_ignore_ce
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in set_ignore_ce
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 31a6b134f62af5a27c806ebc3b4578f2b80ab044ca19df4bf20cb5eeaa57f90d
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: general protection fault in set_ignore_ce
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in set_ignore_ce
run #9: crashed: general protection fault in set_ignore_ce
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: ad976cea0c1870afaf135ec37327c8ecb147039ef9abe49d710fc97b8e3ed3b4
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: general protection fault in __mcheck_cpu_init_timer
run #8: crashed: general protection fault in set_ignore_ce
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit d58772d8520c7ef247c4b95c9bd76d3a25da9ff5 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: ada82f7572febe20090c8e9c5ad7b9ce4fd5964f6121c50c505c874bc4efe2c3
run #0: basic kernel testing failed: lost connection to test machine
run #1: basic kernel testing failed: lost connection to test machine
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: general protection fault in mce_cpu_pre_down
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
the chunk can be dropped
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
picked [v7.1 v7.0 v6.19 v6.17 v6.15 v6.13 v6.11 v6.9 v6.6 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 44 release tags
testing release v7.1
testing commit 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 21a4b7ce6f89354a2ca0d287c776a51df2ed6abeaf1fc060fa3b53791ddf5d82
run #0: crashed: general protection fault in set_ignore_ce
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: general protection fault in set_ignore_ce
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in set_ignore_ce
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v7.0
testing commit 028ef9c96e96197026887c0f092424679298aae8 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: e318181c27b7ab33cdbc6ef34989278f1f22af05c11ca22f2da482e09674ec1e
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: general protection fault in set_ignore_ce
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in set_ignore_ce
run #6: crashed: general protection fault in set_ignore_ce
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: general protection fault in set_ignore_ce
representative crash: general protection fault in set_ignore_ce, types: [DoS NULL-POINTER-DEREFERENCE]
testing release v6.19
testing commit 05f7e89ab9731565d8a62e3b5d1ec206485eeb0b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 87382788f07e06003baaaa5bfdf0f30fd90b405350dfae2f325b4d009643181b
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: general protection fault in __mcheck_cpu_init_timer
run #2: crashed: general protection fault in set_ignore_ce
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: general protection fault in set_ignore_ce
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: general protection fault in set_ignore_ce
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v6.17
testing commit e5f0a698b34ed76002dc5cff3804a61c80233a7a gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 039ad225a2ba555d097841b89a67eed59656977555e2a102389d409d72e24d11
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: general protection fault in mce_start_timer
run #2: crashed: general protection fault in mce_cpu_pre_down
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: general protection fault in set_ignore_ce
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 0cc6ca01bf114e2dc0be15506f4a7c5d4945ace917b5f6ab8c049bf0094b3f07
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: general protection fault in set_ignore_ce
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: general protection fault in set_ignore_ce
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v6.13
testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 29da2726ea0819099c8e404d8c39905c5bff0ea13662055f6db1e589ed87891a
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: general protection fault in set_ignore_ce
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE]
testing release v6.11
testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7d1dc3be4d5a434bb7e16abfcf5a7122fe9aef9e7c91770aff1b6de9bfbca571
run #0: crashed: general protection fault in detach_if_pending
run #1: crashed: general protection fault in detach_if_pending
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in detach_if_pending
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in detach_if_pending
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v6.9
testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d0f45e6d40bbcd24da2f0087ef2b8e6b228fe218d340bbf16ac68279745f07c5
run #0: crashed: general protection fault in detach_if_pending
run #1: crashed: general protection fault in detach_if_pending
run #2: crashed: general protection fault in detach_if_pending
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: general protection fault in detach_if_pending
run #5: crashed: general protection fault in detach_if_pending
run #6: crashed: general protection fault in detach_if_pending
run #7: crashed: general protection fault in detach_if_pending
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: general protection fault in detach_if_pending
representative crash: general protection fault in detach_if_pending, types: [DoS]
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 594275ca73fea52185cf559162d47c847acaa1b17bb1aaafc00106718ddee540
run #0: crashed: general protection fault in detach_if_pending
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: general protection fault in detach_if_pending
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: general protection fault in detach_if_pending
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: general protection fault in detach_if_pending
run #7: crashed: general protection fault in detach_if_pending
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: no output from test machine
representative crash: general protection fault in detach_if_pending, types: [DoS NULL-POINTER-DEREFERENCE]
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 4fdcc1bd9c09ae8a26312f5f8badf6df3c1654403875c1b3004239bb1dd75e58
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in detach_if_pending
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in detach_if_pending
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE]
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 4fe89d07dcc2804c8b562f6c7896a45643d34b2f: ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined
llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
testing release v5.17
testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building f443e374ae131c168a065ea1748feac6b2e76613: scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
/usr/include/openssl/err.h:425:1: note: 'ERR_get_error_line' has been explicitly marked deprecated here
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
certs/extract-cert.c:46:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
certs/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined
llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 84b41a39a36efb2ae8550d27c71de50e07c279bed8ff899ab66491b0512b9cb1
run #0: crashed: general protection fault in detach_if_pending
run #1: crashed: general protection fault in detach_if_pending
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: general protection fault in detach_if_pending
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #5: crashed: general protection fault in detach_if_pending
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #8: crashed: general protection fault in detach_if_pending
run #9: crashed: general protection fault in detach_if_pending
representative crash: general protection fault in detach_if_pending, types: [DoS NULL-POINTER-DEREFERENCE]
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 2b6651024df328791651e76bb539d36cf51c53dc71bf47b1fd5a501c071fcdb5
run #0: crashed: general protection fault in detach_if_pending
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #4: crashed: general protection fault in detach_if_pending
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #7: crashed: general protection fault in detach_if_pending
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in timers_dead_cpu, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 7e96506d90d3e275e825435bf2671a250c470986375cdf6d518870b8e5ba0f8a
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc
compiler: gcc (GCC) 8.4.1 20210217
failed building d5226fa6dbae0569ee43ecfc08bdcd6770fc4755: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
tools/include/linux/string.h:20:15: error: redundant redeclaration of 'strlcpy' [-Werror=redundant-decls]
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc
compiler: gcc (GCC) 8.4.1 20210217
failed building 0ecfebd2b52404ae0c54a878c872bb93363ada36: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
tools/include/linux/string.h:17:15: error: redundant redeclaration of 'strlcpy' [-Werror=redundant-decls]
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be gcc
compiler: gcc (GCC) 8.4.1 20210217
failed building 8fe28cb58bcb235034b64cbbb7550a8a43fd88be: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
tools/include/linux/string.h:17:15: error: redundant redeclaration of 'strlcpy' [-Werror=redundant-decls]
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc
compiler: gcc (GCC) 8.4.1 20210217
failed building 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
tools/include/linux/string.h:17:15: error: redundant redeclaration of 'strlcpy' [-Werror=redundant-decls]
revisions tested: 20, total time: 4h31m26.144734532s (build: 1h6m16.389267785s, test: 2h42m40.531820899s)
error: oldest tested release had kernel build, boot or test errors