bisecting cause commit starting from 3dbdb38e286903ec220aaf1fb29a8d94297da246 building syzkaller on 55aa55c24fe77aae07d530662f91b4d50c4990f0 testing commit 3dbdb38e286903ec220aaf1fb29a8d94297da246 with gcc (GCC) 10.2.1 20210217 kernel signature: 0c918222f21b3682499f4b3d1f1264f91dcc6592d3670d266f17e60e95528b33 run #0: crashed: BUG: Bad rss-counter state run #1: crashed: unexpected kernel reboot run #2: crashed: kernel panic: corrupted stack end in corrupted run #3: crashed: BUG: Bad rss-counter state run #4: crashed: BUG: Bad rss-counter state run #5: crashed: kernel BUG in __tlb_remove_page_size run #6: crashed: BUG: Bad rss-counter state run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK reproducer seems to be flaky testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 with gcc (GCC) 10.2.1 20210217 kernel signature: 2da1b527de5368761b09a6f259401abd1c605ab1f94b71e4905ece00f8cea55a 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 run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 with gcc (GCC) 10.2.1 20210217 kernel signature: 884266a5556d1a62a64c7c25251d8e0a746aa9b98e5402d4603e05f52c0f9c5e 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 9c65bb55476b7c0abe053783542f7317d89c6e7928f9b513b1eb7ded99707f81 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 with gcc (GCC) 10.2.1 20210217 kernel signature: f2768f99a0a0413be22d7fd2f2112e1ff9a94cd7e8fcbd99fece04a33f368d6e 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: crashed: WARNING in __nf_unregister_net_hook run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #4: crashed: kernel panic: panic_on_warn set run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #6: crashed: WARNING in __nf_unregister_net_hook run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #8: basic kernel testing failed: 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: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #12: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #13: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #14: crashed: WARNING in __nf_unregister_net_hook run #15: crashed: 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: kernel panic: panic_on_warn set 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 with gcc (GCC) 10.2.1 20210217 kernel signature: a2bdbb0f0cf367dcf09faba9b7dff1b6652182df6fc8eb48883e0c5b30fd67d7 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@10.128.0.86:./syz-fuzzer"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.86 port 22 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@10.128.10.7:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.10.7 port 22: Connection timed out lost connection run #2: 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@10.128.10.14:./syz-fuzzer"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.14 port 22 timed out lost connection run #3: 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@10.128.10.21:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.10.21 port 22: Connection timed out lost connection 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@10.128.0.79:./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@10.128.10.13:./syz-fuzzer"] run #6: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #7: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #8: boot failed: KASAN: slab-out-of-bounds 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 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 1df5d729591070953293dbd7009d82a35d6c11fad86659d2f5daf2dfafc9e51b 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@10.128.0.60:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.60 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@10.128.0.118:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.118 port 22: Connection timed out lost connection run #2: 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@10.128.0.20:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.20 port 22: Connection timed out lost connection 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@10.128.1.53:./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@10.128.1.51:./syz-fuzzer"] run #5: boot failed: KASAN: use-after-free Read in page_to_skb 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: slab-out-of-bounds 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 0b43f1d36be6461ea89ac6efffd2ad3746afecd1df90c6e32764458bf524b655 run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 50333a6bfbdfe5927af9b4bf5391008c0135807ce8e06d2b12589744769bfd53 run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: crashed: WARNING in kvm_wait run #15: crashed: WARNING in kvm_wait run #16: crashed: WARNING in kvm_wait run #17: crashed: WARNING in kvm_wait run #18: crashed: WARNING in kvm_wait run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 775b6c447f7f8fe46f5b588b6c5d046510ad563715ee8b5e8c879b64eee7ce52 run #0: crashed: 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: 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: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: fa11f4f88a6e358bb7c5f8ab7464abad243d66ff197b4a7266e054c19c480902 all runs: crashed: 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 77c0b8790d8a23b9681e4196f391a9c04bf6e980af00869bb17e5675b462e039 run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: crashed: WARNING in kvm_wait run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: c3baaedc7e8b83d739c15dc7b43b7c200630ef8d197f4b463def5b582ff4b6c2 run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: crashed: WARNING in kvm_wait run #15: crashed: WARNING in kvm_wait run #16: OK run #17: OK 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 3270bc265a82917051c1b1c374ab9902fd37ac319cfa07d83913800fccdd7016 run #0: crashed: 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: crashed: WARNING in kvm_wait run #10: crashed: WARNING in kvm_wait run #11: crashed: WARNING in kvm_wait run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 01113e32fd4153887eb4f468c65b51e3dc1bc19ef55c4a10b98af7e3e30c92c7 run #0: crashed: 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: 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: OK run #14: crashed: WARNING in kvm_wait run #15: crashed: WARNING in kvm_wait run #16: crashed: WARNING in kvm_wait run #17: OK 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 with gcc (GCC) 10.2.1 20210217 kernel signature: f880b2ad9ce97fc7dc2cf2ca720683c50f408ae7e40398c39602a1a81274db08 run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: crashed: WARNING in kvm_wait run #15: crashed: WARNING in kvm_wait run #16: crashed: WARNING in kvm_wait run #17: crashed: WARNING in kvm_wait run #18: OK run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 69ea338a8d7c40779dd4805f9dc2c66b72a43ca3f19c8522bb30f9a1738d224f run #0: crashed: 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: 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: crashed: WARNING in kvm_wait run #14: crashed: WARNING in kvm_wait run #15: crashed: WARNING in kvm_wait run #16: OK run #17: OK run #18: OK 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 22e2dc2f4cdde61aa67f08ccfeb751010726daf9f9b7b2e753d58906384dd01b run #0: crashed: 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: 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: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # 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 with gcc (GCC) 10.2.1 20210217 kernel signature: 22e2dc2f4cdde61aa67f08ccfeb751010726daf9f9b7b2e753d58906384dd01b culprit signature: 22e2dc2f4cdde61aa67f08ccfeb751010726daf9f9b7b2e753d58906384dd01b parent signature: 22e2dc2f4cdde61aa67f08ccfeb751010726daf9f9b7b2e753d58906384dd01b Reproducer flagged being flaky revisions tested: 18, total time: 5h4m36.365306579s (build: 2h12m58.102195407s, test: 2h48m31.607929972s) 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: 8818 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: 8818 Comm: syz-executor.5 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 d4 c1 ff 80 3d 2e 8f e5 03 00 74 01 c3 48 c7 c7 60 f3 8a 88 c6 05 1d 8f e5 03 01 e8 e1 d3 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:ffffc9000186f618 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8a877a60 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000004 RDI: fffff5200030deb5 RBP: 0000000000000200 R08: 0000000000000001 R09: ffff8880b9f1fa1b R10: ffffed10173e3f43 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff150ef4c R14: 0000000000000001 R15: ffff8880b9f35f00 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0063) knlGS:000000000991e380 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000816c0d0 CR3: 0000000021c64000 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] alloc_vmap_area+0x157/0x2120 mm/vmalloc.c:1215 __get_vm_area_node+0xd5/0x300 mm/vmalloc.c:2096 __vmalloc_node_range mm/vmalloc.c:2571 [inline] __vmalloc_node mm/vmalloc.c:2619 [inline] vzalloc+0xcf/0x180 mm/vmalloc.c:2672 alloc_counters net/ipv4/netfilter/ip_tables.c:800 [inline] compat_copy_entries_to_user net/ipv4/netfilter/ip_tables.c:1553 [inline] compat_get_entries+0x2ac/0x5d0 net/ipv4/netfilter/ip_tables.c:1596 do_ipt_get_ctl+0x434/0x7c0 net/ipv4/netfilter/ip_tables.c:1657 nf_getsockopt+0x57/0xb0 net/netfilter/nf_sockopt.c:116 ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] ip_getsockopt+0xec/0x130 net/ipv4/ip_sockglue.c:1756 __sys_getsockopt+0x1a8/0x550 net/socket.c:2159 __do_compat_sys_socketcall+0x307/0x520 net/compat.c:495 do_syscall_32_irqs_on arch/x86/entry/common.c:77 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:139 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:164 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f56549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000086cf650 EFLAGS: 00000206 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00000000086cf668 RDX: 00000000086cf72c RSI: 00000000086cf6d8 RDI: 00000000086cf72c RBP: 0000000008170928 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000