ci2 starts bisection 2025-09-07 14:28:04.707888581 +0000 UTC m=+303999.696862407
bisecting fixing commit since 58485ff1a74f6c5be9e7c6aafb7293e4337348e7
building syzkaller on f00eed24f2a1332b07fef1a353a439133978d97b
ensuring issue is reproducible on original commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7

testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c7b910c078f4df3d4c6689c7c43dd2b96e1aab2e23fba53919be0f1750cb6d45
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3c1f2f4f43906d784f03562dfbe1b64e8bde57171367a572b6f6c88c7e018b1e
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed
kconfig minimization: base=3829 full=7497 leaves diff=2069
split chunks (needed=false): <2069>
split chunk #0 of len 2069 into 5 parts
testing without sub-chunk 1/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ddde4fb3239974fc0c672dc0fda3cbe01e4e2ba9ade1ba937ca4de8050eec276
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 373c64398507c01af4655b0d4d40f7a09ce802f704861f8f2cb38e008e75243e
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 61c994fa7c40973e8fe349008c594e8a6ba8ce6ee140a53e024c29c3cc40d20b
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 652a5593cd916b301aed4935a88d728f461bcb7a2d6153edcef2430e2ae0f34f
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 34ffc13ca482f3dc05deaf16df6933da1923e0cd15a7485bd85a0f00f94ece8f
all runs: crashed: possible deadlock in ext4_xattr_inode_lookup_create
representative crash: possible deadlock in ext4_xattr_inode_lookup_create, types: [LOCKDEP]
the chunk can be dropped
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
determining the merge base between 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 and b236920731dd90c3fba8c227aa0c4dee5351a639
830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 830b3c68c1fb1e9176028d02ef86f3cf76aa2476: 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
reproducer does not crash the merge base, so there's no known bad commit
revisions tested: 7, total time: 2h0m44.976484071s (build: 55m35.750355647s, test: 1h0m37.498801045s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1