bisecting cause commit starting from 3bdc70669eb2d53dc3abef3c1d790bfe408e2e40 building syzkaller on 17d6ab15777a82fc53dd5c339d04cbe5665ffdf0 testing commit 3bdc70669eb2d53dc3abef3c1d790bfe408e2e40 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: fae6912d82b87bc5e3487d0e5c782beedbdac76acfe6b8159e48cdef2fd069b3 run #0: crashed: possible deadlock in br_ioctl_call run #1: crashed: possible deadlock in br_ioctl_call run #2: crashed: possible deadlock in br_ioctl_call run #3: crashed: possible deadlock in br_ioctl_call run #4: crashed: possible deadlock in br_ioctl_call run #5: crashed: possible deadlock in br_ioctl_call run #6: crashed: possible deadlock in br_ioctl_call run #7: crashed: possible deadlock in br_ioctl_call run #8: crashed: possible deadlock in register_netdev run #9: crashed: possible deadlock in br_ioctl_call run #10: crashed: possible deadlock in register_netdev run #11: crashed: possible deadlock in br_ioctl_call run #12: crashed: possible deadlock in br_ioctl_call run #13: crashed: possible deadlock in register_netdev run #14: crashed: possible deadlock in register_netdev run #15: crashed: possible deadlock in br_ioctl_call run #16: crashed: possible deadlock in br_ioctl_call run #17: crashed: possible deadlock in br_ioctl_call run #18: crashed: possible deadlock in br_ioctl_call run #19: crashed: possible deadlock in register_netdev testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 909f5b513362d755e99068620c19525cb2afd91ca8725228219fd46574a48866 run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: bb4e26dd8f4a005b0fd76547575ef29621d4d502b5251ddaf0a5696974104629 all runs: OK # git bisect start 62fb9874f5da54fdb243003b386128037319b219 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 Bisecting: 8739 revisions left to test after this (roughly 13 steps) [85f3f17b5db2dd9f8a094a0ddc665555135afd22] Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.13 testing commit 85f3f17b5db2dd9f8a094a0ddc665555135afd22 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 19de40d10b8a8e000dcbbcf23fed9503998a06a4fcc565e5580e48d4c7597e9f all runs: OK # git bisect good 85f3f17b5db2dd9f8a094a0ddc665555135afd22 Bisecting: 4369 revisions left to test after this (roughly 12 steps) [23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3] arch: use cross_compiling to check whether it is a cross build or not testing commit 23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: a5259b326b53be9f92ec9d2ca897997417a5d8a69d23076efabb5e95f60d0cf8 run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #5: crashed: WARNING in __nf_unregister_net_hook run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #8: crashed: WARNING in __nf_unregister_net_hook run #9: crashed: WARNING in __nf_unregister_net_hook run #10: crashed: WARNING in __nf_unregister_net_hook run #11: crashed: WARNING in __nf_unregister_net_hook run #12: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #13: crashed: WARNING in __nf_unregister_net_hook run #14: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #15: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #16: crashed: WARNING in __nf_unregister_net_hook run #17: crashed: WARNING in __nf_unregister_net_hook run #18: crashed: WARNING in __nf_unregister_net_hook run #19: crashed: WARNING in __nf_unregister_net_hook # git bisect bad 23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [aeacb52a8de7046be5399ba311f49bce96e1b269] net/mlx5: DR, Add support for isolate_vl_tc QP testing commit aeacb52a8de7046be5399ba311f49bce96e1b269 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 94bfd2e74c3ea79035b24260ac74dec58635ca1a53329432e183433284bf1b54 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.185:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.185 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.120:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.1.120 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.160:./syz-fuzzer"] run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.109:./syz-fuzzer"] run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.114:./syz-fuzzer"] run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.180:./syz-fuzzer"] run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.214:./syz-fuzzer"] run #7: boot failed: KASAN: use-after-free Read in page_to_skb run #8: boot failed: KASAN: use-after-free Read in page_to_skb run #9: boot failed: KASAN: use-after-free Read in page_to_skb run #10: boot failed: KASAN: use-after-free Read in page_to_skb run #11: boot failed: KASAN: use-after-free Read in page_to_skb run #12: boot failed: KASAN: use-after-free Read in page_to_skb run #13: boot failed: KASAN: use-after-free Read in page_to_skb run #14: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #15: boot failed: KASAN: use-after-free Read in page_to_skb run #16: boot failed: KASAN: use-after-free Read in page_to_skb run #17: boot failed: KASAN: use-after-free Read in page_to_skb run #18: boot failed: KASAN: use-after-free Read in page_to_skb run #19: boot failed: KASAN: use-after-free Read in page_to_skb # git bisect skip aeacb52a8de7046be5399ba311f49bce96e1b269 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [e7d48e5fbf30f85c89d83683c3d2dbdaa8884103] net: enetc: add a mini driver for the Integrated Endpoint Register Block testing commit e7d48e5fbf30f85c89d83683c3d2dbdaa8884103 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 8a86ad916826c4f04cb7735614574fb3498579728832ddef0596d8f3e0137946 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.44:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.1.44 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.35:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.35 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.19:./syz-fuzzer"] run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.94:./syz-fuzzer"] run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.9:./syz-fuzzer"] run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.85:./syz-fuzzer"] run #6: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #7: boot failed: KASAN: use-after-free Read in page_to_skb run #8: boot failed: KASAN: use-after-free Read in page_to_skb run #9: boot failed: KASAN: use-after-free Read in page_to_skb run #10: boot failed: KASAN: use-after-free Read in page_to_skb run #11: boot failed: KASAN: use-after-free Read in page_to_skb run #12: boot failed: KASAN: use-after-free Read in page_to_skb run #13: boot failed: KASAN: use-after-free Read in page_to_skb run #14: boot failed: KASAN: use-after-free Read in page_to_skb run #15: boot failed: KASAN: use-after-free Read in page_to_skb run #16: boot failed: KASAN: use-after-free Read in page_to_skb run #17: boot failed: KASAN: use-after-free Read in page_to_skb run #18: boot failed: KASAN: use-after-free Read in page_to_skb run #19: boot failed: KASAN: use-after-free Read in page_to_skb # git bisect skip e7d48e5fbf30f85c89d83683c3d2dbdaa8884103 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [5b7c0c32c90494f5aaf13f417cff5dc204575597] net: ocelot: Simplify MRP deletion testing commit 5b7c0c32c90494f5aaf13f417cff5dc204575597 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: c1612b675db6bd331b1fcf58b40ad6aefab741aa382e0563bde9a1b4bf7b9102 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: basic kernel testing failed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 5b7c0c32c90494f5aaf13f417cff5dc204575597 Bisecting: 375 revisions left to test after this (roughly 9 steps) [5acd0cfbfbb5a688da1bfb1a2152b0c855115a35] net: lapbether: Prevent racing when checking whether the netif is running testing commit 5acd0cfbfbb5a688da1bfb1a2152b0c855115a35 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 00c59426626596029bad10540eb1a68417a8e4e30981f1ac6c0e789cca457728 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: basic kernel testing failed: WARNING in kvm_wait run #4: basic kernel testing failed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 5acd0cfbfbb5a688da1bfb1a2152b0c855115a35 Bisecting: 186 revisions left to test after this (roughly 8 steps) [3094552bcd726682ded98e4f4aa97a7c6646f638] net/mlx5: SF, Fix return type testing commit 3094552bcd726682ded98e4f4aa97a7c6646f638 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: cb308d5bf88b5a6d257263aa78b22064145218523a8dcf173d9b3a30d642f548 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.1.113:./syz-executor"]: exit status 1 ssh: connect to host 10.128.1.113 port 22: Connection timed out lost connection run #2: basic kernel testing failed: WARNING in kvm_wait run #3: basic kernel testing failed: WARNING in kvm_wait run #4: basic kernel testing failed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.126:./syz-execprog"] Warning: Permanently added '10.128.1.126' (ECDSA) to the list of known hosts. run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 3094552bcd726682ded98e4f4aa97a7c6646f638 Bisecting: 93 revisions left to test after this (roughly 7 steps) [3fcd50d6f9a963a21e142d71be135eff6a374d2d] selftests/bpf: Add BTF_KIND_FLOAT to test_core_reloc_size testing commit 3fcd50d6f9a963a21e142d71be135eff6a374d2d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: c23d874a849baf3bce86d3badf06d79b79b21a14f8aecff75707b40b93571f71 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 3fcd50d6f9a963a21e142d71be135eff6a374d2d Bisecting: 46 revisions left to test after this (roughly 6 steps) [04883a079968e6250a4549f6fadb6427c534885e] tools, bpf_asm: Hard error on out of range jumps testing commit 04883a079968e6250a4549f6fadb6427c534885e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 348d545d21ff4110d55a5be81d238239fa020d50ccbb619f006e074937b0fd4b run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: basic kernel testing failed: WARNING in kvm_wait run #4: basic kernel testing failed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.109:./syz-execprog"] Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 04883a079968e6250a4549f6fadb6427c534885e Bisecting: 22 revisions left to test after this (roughly 5 steps) [16137b09a66f2b75090f1e56a9ba0e27ef845ebc] bpf: Compute data_end dynamically with JIT code testing commit 16137b09a66f2b75090f1e56a9ba0e27ef845ebc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 39ad04cece05bef5c7ffba4cc72093e9e048831dc69156664598a2fab0b86a88 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: crashed: WARNING in kvm_wait run #12: crashed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 16137b09a66f2b75090f1e56a9ba0e27ef845ebc Bisecting: 11 revisions left to test after this (roughly 4 steps) [ced47e30ab8b3ed986e28411f63e041b51c1fdf8] bpf: runqslower: Use task local storage testing commit ced47e30ab8b3ed986e28411f63e041b51c1fdf8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: ffb94b16409a518fc4c332b2fe5124ed0551bfa0be0d7459956ecfabffb1ccbe run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.33:./syz-execprog"] Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad ced47e30ab8b3ed986e28411f63e041b51c1fdf8 Bisecting: 5 revisions left to test after this (roughly 3 steps) [9c8f21e6f8856a96634e542a58ef3abf27486801] xsk: Build skb by page (aka generic zerocopy xmit) testing commit 9c8f21e6f8856a96634e542a58ef3abf27486801 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 005e741a8d5438f09ca5a1441134df562303d3399b9f861e5f03301a42ed9ecf run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 9c8f21e6f8856a96634e542a58ef3abf27486801 Bisecting: 2 revisions left to test after this (roughly 2 steps) [c2ff53d8049f30098153cd2d1299a44d7b124c57] net: Add priv_flags for allow tx skb without linear testing commit c2ff53d8049f30098153cd2d1299a44d7b124c57 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 24fe0c1179b8d0655f877fce4438d6d2452a3b46ccdef6d3f16718f90269465d run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.6:./syz-fuzzer"] Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.11:./syz-fuzzer"] Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait run #10: boot failed: WARNING in kvm_wait run #11: boot failed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad c2ff53d8049f30098153cd2d1299a44d7b124c57 Bisecting: 0 revisions left to test after this (roughly 1 step) [2463e073497385ef63c220571013a2b89e9b95cc] netdevice: Add missing IFF_PHONY_HEADROOM self-definition testing commit 2463e073497385ef63c220571013a2b89e9b95cc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: ff18eac8750ff13422d4fbfa7386144ed0ff500a68ef8299f2e4241c18cda9c9 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.124:./syz-fuzzer"] Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: crashed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad 2463e073497385ef63c220571013a2b89e9b95cc Bisecting: 0 revisions left to test after this (roughly 0 steps) [b9fc8b4a591811546fec2dbef7e9f809362100c9] bpf: Add kernel/modules BTF presence checks to bpftool feature command testing commit b9fc8b4a591811546fec2dbef7e9f809362100c9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: basic kernel testing failed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: crashed: WARNING in kvm_wait run #7: crashed: WARNING in kvm_wait run #8: crashed: WARNING in kvm_wait run #9: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: crashed: WARNING in kvm_wait run #12: boot failed: WARNING in kvm_wait run #13: boot failed: WARNING in kvm_wait run #14: boot failed: WARNING in kvm_wait run #15: boot failed: WARNING in kvm_wait run #16: boot failed: WARNING in kvm_wait run #17: boot failed: WARNING in kvm_wait run #18: boot failed: WARNING in kvm_wait run #19: boot failed: WARNING in kvm_wait # git bisect bad b9fc8b4a591811546fec2dbef7e9f809362100c9 b9fc8b4a591811546fec2dbef7e9f809362100c9 is the first bad commit commit b9fc8b4a591811546fec2dbef7e9f809362100c9 Author: Grant Seltzer Date: Mon Feb 22 19:58:46 2021 +0000 bpf: Add kernel/modules BTF presence checks to bpftool feature command This adds both the CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES kernel compile option to output of the bpftool feature command. This is relevant for developers that want to account for data structure definition differences between kernels. Signed-off-by: Grant Seltzer Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Acked-by: Martin KaFai Lau Link: https://lore.kernel.org/bpf/20210222195846.155483-1-grantseltzer@gmail.com tools/bpf/bpftool/feature.c | 4 ++++ 1 file changed, 4 insertions(+) parent commit d310ec03a34e92a77302edb804f7d68ee4f01ba0 wasn't tested testing commit d310ec03a34e92a77302edb804f7d68ee4f01ba0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 culprit signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 parent signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 Reproducer flagged being flaky revisions tested: 18, total time: 5h13m45.688643352s (build: 2h11m58.819751812s, test: 2h59m41.210835716s) first bad commit: b9fc8b4a591811546fec2dbef7e9f809362100c9 bpf: Add kernel/modules BTF presence checks to bpftool feature command recipients (to): ["andrii@kernel.org" "daniel@iogearbox.net" "grantseltzer@gmail.com" "kafai@fb.com"] recipients (cc): [] crash: WARNING in kvm_wait ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 9164 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 9164 Comm: syz-executor.2 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: 24 48 c7 c7 60 7b 89 88 e8 ec df c1 ff 80 3d ee f3 e5 03 00 74 01 c3 48 c7 c7 60 f3 8a 88 c6 05 dd f3 e5 03 01 e8 e1 de c1 ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 RSP: 0018:ffffc900031179e0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880238d6040 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000004 RDI: fffff52000622f2e RBP: 0000000000000200 R08: 0000000000000001 R09: ffff8880b9f1fa1b R10: ffffed10173e3f43 R11: 0000000000000001 R12: 0000000000000003 R13: ffffed100471ac08 R14: 0000000000000001 R15: ffff8880b9f51f00 FS: 00000000018bd400(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002f2a708 CR3: 00000000337a3000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_wait arch/x86/kernel/kvm.c:860 [inline] kvm_wait+0xc9/0xe0 arch/x86/kernel/kvm.c:837 pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] ext4_lock_group fs/ext4/ext4.h:3379 [inline] __ext4_new_inode+0x2da2/0x44d0 fs/ext4/ialloc.c:1187 ext4_symlink+0x313/0xb20 fs/ext4/namei.c:3336 vfs_symlink fs/namei.c:3961 [inline] vfs_symlink+0x385/0x590 fs/namei.c:3947 do_symlinkat+0x1c3/0x210 fs/namei.c:3988 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465ef7 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe22663258 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000465ef7 RDX: 00007ffe22663343 RSI: 00000000004bfd7b RDI: 00007ffe22663330 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe226630f0 R10: 00007ffe22662fa7 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe22663330