ci starts bisection 2026-07-22 04:39:11.699293407 +0000 UTC m=+793.289680472
bisecting fixing commit since 70390501d1944d4e5b8f7352be180fceb3a44132
building syzkaller on 29233ece713919081e9069c2a18be92526041f39
ensuring issue is reproducible on original commit 70390501d1944d4e5b8f7352be180fceb3a44132

testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 039a3fb33eaaf723fc8f87c1ff9c6b8aefb8f46d558c556e76d5c8124b4d0ae8
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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: a42971dd96cdaf4d5786e89552769b359a3d09d1c6b9528df614bbee092994b9
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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], 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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 69fa88aea20acb9e628f926c5a0a3cf4433ec2947ace2a06172ac2ffc10d928b
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 [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 79a07f8e904125fee27cc691f808a1649f620d5a91a257873198aa7c09138cc5
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 [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 1d79103d2c28aaed96dc14fc9988094e4baaa799a070090f85aa0e7b1c7c1423
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 4/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 59b640218300248d6dc259729f964c7bf2712d9bfc4bb45613801445b8c753bf
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 5/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit 70390501d1944d4e5b8f7352be180fceb3a44132 gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 5186c07b65a79a04e19267a644d6b4897980aca77614c97b2b30ed514e79a8a0
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing current HEAD 248951ddc14de84de3910f9b13f51491a8cd91df
testing commit 248951ddc14de84de3910f9b13f51491a8cd91df gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: af5317ab4b407515ee8ea5a84cdbcfbc87edc2c88f5d8b4c90c8655645261329
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 5h24m30.176767446s (build: 55m57.139712421s, test: 53m58.427135534s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'hwmon-for-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
crash: lost connection to test machine