ci starts bisection 2026-06-16 01:32:58.366902478 +0000 UTC m=+34508.084647927
bisecting fixing commit since 6916d5703ddf9a38f1f6c2cc793381a24ee914c6
building syzkaller on a15a64a66dd37b7f9c31f5c3efb1524bb9863162
ensuring issue is reproducible on original commit 6916d5703ddf9a38f1f6c2cc793381a24ee914c6

testing commit 6916d5703ddf9a38f1f6c2cc793381a24ee914c6 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: fe3f2cd1685efdfbea271884def77429412185ecdf7d2751f74d4085dff39b37
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
check whether we can drop unnecessary instrumentation
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit 6916d5703ddf9a38f1f6c2cc793381a24ee914c6 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 9216c3e62dcf3041d199451844c45303f0b354703783f901b4f3e663433a583f
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the bug reproduces without the instrumentation
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
kconfig minimization: base=4140 full=8580 leaves diff=2143
split chunks (needed=false): <2143>
split chunk #0 of len 2143 into 5 parts
testing without sub-chunk 1/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 6916d5703ddf9a38f1f6c2cc793381a24ee914c6 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 6a74645cd279d6c0ae61750d4bdf114519486f00771a7a532925879f4575de12
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
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 6916d5703ddf9a38f1f6c2cc793381a24ee914c6 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 189fa225eeb05cf9edbc65d1b83dfc9eea0901dc8f52d53f03bc92035311285e
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
revisions tested: 4, total time: 14h46m41.675436476s (build: 12h12m26.462933237s, test: 21m49.881779799s)
error: config minimization failed: bisection is taking too long (>12h0m0s), aborting