ci2 starts bisection 2025-12-18 06:44:28.605841998 +0000 UTC m=+1876480.782965065
bisecting fixing commit since 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba
building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4
ensuring issue is reproducible on original commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba

testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5ef47a52329a012a8201ad6d207fc7ee377779b6b812843fbc75189182ff7e80
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: crashed: WARNING in collect_domain_accesses
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
run #10: crashed: WARNING in collect_domain_accesses
run #11: crashed: WARNING in collect_domain_accesses
run #12: crashed: WARNING in collect_domain_accesses
run #13: crashed: WARNING in collect_domain_accesses
run #14: crashed: WARNING in collect_domain_accesses
run #15: crashed: WARNING in collect_domain_accesses
run #16: crashed: WARNING in collect_domain_accesses
run #17: crashed: WARNING in collect_domain_accesses
run #18: crashed: WARNING in collect_domain_accesses
run #19: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7dd1091bcd178569c46de48fc6b4716b68a59a2fa675a7344ff1e659efa829f3
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: crashed: WARNING in collect_domain_accesses
run #2: crashed: WARNING in collect_domain_accesses
run #3: crashed: WARNING in collect_domain_accesses
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=7505 full=9786 leaves diff=2008
split chunks (needed=false): <2008>
split chunk #0 of len 2008 into 5 parts
testing without sub-chunk 1/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c3e8d357c232761935b06f86418349077228e693688aee2b65d7bbaad1eaf5ce
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: crashed: WARNING in collect_domain_accesses
run #3: crashed: WARNING in collect_domain_accesses
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ed12c6ed412b0e44fbe64e25e8325106c2c0e3300b7382479ebad7803aa5be92
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9cd220d91de0a79f1cf3283a68ab29cb700f89adedb65dba42afdb89991145ac
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 51a8c1d4f45f283f9a584a6c44f268fcc76740f32146c0ecdf6cd70a5e065533
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: crashed: WARNING in collect_domain_accesses
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6f880ea923958b2916b104d7fbf9bcd5a85c0e6341414720d57a73a3918deb92
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: WARNING in collect_domain_accesses
run #5: crashed: WARNING in collect_domain_accesses
run #6: crashed: WARNING in collect_domain_accesses
run #7: crashed: WARNING in collect_domain_accesses
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: crashed: WARNING in collect_domain_accesses
representative crash: WARNING in collect_domain_accesses, types: [WARNING]
the chunk can be dropped
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
determining the merge base between 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba and ea1013c1539270e372fc99854bc6e4d94eaeff66
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
kernel signature: 50a6a9dda630e3b4edaea4d68c52dc881fc2384b648d877e48d42357e09598d5
all runs: basic kernel testing failed: kernel BUG in page_table_check_set
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
reproducer does not crash the merge base, so there's no known bad commit
revisions tested: 8, total time: 1h13m1.276739241s (build: 44m7.336342924s, test: 25m57.534230799s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1