ci starts bisection 2023-10-21 22:12:09.796184013 +0000 UTC m=+80134.217049295
bisecting cause commit starting from db906f0ca6bb55b7237b880e06ec2fc95ab67e16
building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84
ensuring issue is reproducible on original commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16

testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 43bd5bc6337e7f93f323058c9a511a93543f418cba1b7b48f22aaa0a05224d93
run #0: crashed: SYZFAIL: result overflows kMaxCommands
run #1: crashed: SYZFAIL: result overflows kMaxCommands
run #2: crashed: SYZFAIL: result overflows kMaxCommands
run #3: crashed: SYZFAIL: result overflows kMaxCommands
run #4: crashed: SYZFAIL: result overflows kMaxCommands
run #5: crashed: SYZFAIL: result overflows kMaxCommands
run #6: crashed: SYZFAIL: result overflows kMaxCommands
run #7: crashed: SYZFAIL: result overflows kMaxCommands
run #8: crashed: SYZFAIL: result overflows kMaxCommands
run #9: crashed: SYZFAIL: result overflows kMaxCommands
run #10: crashed: SYZFAIL: result overflows kMaxCommands
run #11: crashed: SYZFAIL: result overflows kMaxCommands
run #12: crashed: SYZFAIL: result overflows kMaxCommands
run #13: crashed: SYZFAIL: result overflows kMaxCommands
run #14: crashed: SYZFAIL: result overflows kMaxCommands
run #15: crashed: SYZFAIL: result overflows kMaxCommands
run #16: crashed: SYZFAIL: result overflows kMaxCommands
run #17: crashed: SYZFAIL: result overflows kMaxCommands
run #18: crashed: SYZFAIL: result overflows kMaxCommands
run #19: OK
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b8f3c5c5c404272866a4d0e3a02a5427dc4a4643e11599ccddfe45492df52af6
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
kconfig minimization: base=3883 full=7690 leaves diff=2019
split chunks (needed=false): <2019>
split chunk #0 of len 2019 into 5 parts
testing without sub-chunk 1/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 47e2de070f247ef7cb2cde8b5facae884fd1cc57bf2f48d8c418357ad48e538b
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0072ff8f1f47319fea399aab054e53a3adf5fe83eeae52c400d8527a3d896a12
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9d97cfe55c0d01adc17261beb333044a13dbdb4427bc4ee925d248583569f03b
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8fb1240d16a0ef074e9ef5559e717ef3300d7544436de11435bd037556f1ffac
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fc73eda9a885463465e9609185fc3b04b9616188bb4e6f76112f67908be2556f
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
the chunk can be dropped
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
picked [v6.5 v6.4 v6.3 v6.1 v5.19 v5.17 v5.15 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 28 release tags
testing release v6.5
testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5a98634c68df0a861ebfeb8ec4fae33fec4b07971dd3bc3652f69772d155217a
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a4f279180ef39427aa5ec5934dc19376d9386bb8d69b5575588ab8a8fa6fa89e
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 641f5632e1d26527a731c90d3c3fa2107a26ab913b5232b7317842d9b14cf9bb
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2b653d9bb38fdbfd97194485fb63353c93b91bedb2ae4d91395b60dd9c64172c
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8139921e0cea7ab5a73f719e8f151a145adefe757728fcc2f89742c324383481
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.17
testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 552c4df664a94b7253446b1bb867c957fc0726cc36041d1f5aeffb9f705a9ca6
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9df7b8b5af80aeffe3d5b8a41fcd60ff0635556abe2288f1cb06f68224e79f63
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b7b440901a75e39fb7009ffdfaa8cc131fded05d659eb3b172b1c150630557ec
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e1a070ce241820eb2b4c41e8dee76a46671cec922bd4290dd02938b46f806657
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d9d6179b6399fc1c1517e2c1758ae3d562896ccb33741377bc25d76fdf63a4e2
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1d247052e1563fe032bab55a9cdbfee16f044f1409d835e0489389093be111f9
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b1b0fabd94566c4a0052945137c41da64581c78ba9e7a1595e1a8477a0208147
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fefff9ee1021858fa892cb40cd2b84dc20dcf4c39e266bc62dff00326675d93b
all runs: crashed: SYZFAIL: result overflows kMaxCommands
representative crash: SYZFAIL: result overflows kMaxCommands, types: [SYZ_FAILURE]
crash still not fixed/happens on the oldest tested release
revisions tested: 20, total time: 2h35m50.912004315s (build: 55m26.455019223s, test: 1h30m49.952772964s)
oldest tested release already had the bug or it had kernel test errors
commit msg: Linux 4.19
crash: SYZFAIL: result overflows kMaxCommands
2023/10/22 00:46:27 ignoring optional flag "sandboxArg"="0"
2023/10/22 00:46:27 parsed 1 programs
2023/10/22 00:46:28 executed programs: 0
2023/10/22 00:46:55 [FATAL] executor failed 11 times: executor 0: exit status 67 err exit status 67
SYZFAIL: result overflows kMaxCommands
index=140508547145536 (errno 110: Connection timed out)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
exit status 67

SYZFAIL: result overflows kMaxCommands
index=140508547145536 (errno 110: Connection timed out)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
exit status 67