bisecting fixing commit since f40ddce88593482919761f74910f42f4b84c004b building syzkaller on 98682e5e2aefc9aad61354f4f3ac93be96002a2a testing commit f40ddce88593482919761f74910f42f4b84c004b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 75aa9f71120e043efd6a24f768214c8b6ceb616bd7b5f0fdc4fe26875c203e96 run #0: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #1: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #2: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #5: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #6: crashed: BUG: soft lockup in mac80211_hwsim_beacon run #7: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #8: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #9: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #10: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #11: crashed: BUG: soft lockup in mac80211_hwsim_beacon run #12: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #13: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #14: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #15: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #16: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #17: 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" "/tmp/syz-executor672395147" "root@10.128.15.198:./syz-executor672395147"]: exit status 1 ssh: connect to host 10.128.15.198 port 22: Connection timed out lost connection run #18: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #19: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon testing current HEAD 8ab774587903771821b59471cc723bba6d893942 testing commit 8ab774587903771821b59471cc723bba6d893942 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4f62a62e774798cc0c2253d10b25f72c35cde6e27452a8391d133a68f3ba0ead all runs: OK # git bisect start 8ab774587903771821b59471cc723bba6d893942 f40ddce88593482919761f74910f42f4b84c004b Bisecting: 36952 revisions left to test after this (roughly 15 steps) [28efd208530c7690a275b18915960c26c5b4d9d5] Merge branch 'sfc-tx-queues' testing commit 28efd208530c7690a275b18915960c26c5b4d9d5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3bccdf4ac015f5d9618d23da2a5f751c5b4b6a9734dacc8314fb05cd5ea962f1 run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: BUG: soft lockup in mac80211_hwsim_beacon run #3: crashed: INFO: rcu detected stall in futex run #4: crashed: INFO: rcu detected stall in futex run #5: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #6: 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" "/tmp/syz-executor111319971" "root@10.128.10.58:./syz-executor111319971"]: exit status 1 ssh: connect to host 10.128.10.58 port 22: Connection timed out lost connection run #7: 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" "/tmp/syz-executor244049574" "root@10.128.0.98:./syz-executor244049574"]: exit status 1 ssh: connect to host 10.128.0.98 port 22: Connection timed out lost connection run #8: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #9: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode # git bisect good 28efd208530c7690a275b18915960c26c5b4d9d5 Bisecting: 18496 revisions left to test after this (roughly 14 steps) [a180eab0b564a9dc149beb0517136ef7129f1260] Merge tag 'mailbox-v5.15' of git://git.linaro.org/landing-teams/working/fujitsu/integration testing commit a180eab0b564a9dc149beb0517136ef7129f1260 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 96ab1142119567e45a899110530cdad0a61937955241227399a779c02adcf373 run #0: crashed: KASAN: use-after-free Read in __d_alloc run #1: crashed: KASAN: use-after-free Read in __d_alloc run #2: crashed: KASAN: use-after-free Read in __d_alloc run #3: crashed: KASAN: use-after-free Read in __d_alloc run #4: crashed: KASAN: use-after-free Read in __d_alloc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good a180eab0b564a9dc149beb0517136ef7129f1260 Bisecting: 8573 revisions left to test after this (roughly 13 steps) [fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4] Merge tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4e01e945264cd6f341c8c59d2bc2e703dca4e7e10384166ba9cffa209aa785c1 all runs: OK # git bisect bad fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4 Bisecting: 4964 revisions left to test after this (roughly 12 steps) [b60876296847e6cd7f1da4b8b7f0f31399d59aa1] block: improve layout of struct request testing commit b60876296847e6cd7f1da4b8b7f0f31399d59aa1 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 16274b8661be38527a27e5aef602e2c081c3828c4f08f3f208984997be97cf6f 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" "/tmp/syz-executor167972082" "root@10.128.10.30:./syz-executor167972082"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.30 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" "/tmp/syz-executor536011846" "root@10.128.15.207:./syz-executor536011846"]: exit status 1 ssh: connect to host 10.128.15.207 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" "/tmp/syz-executor525068013" "root@10.128.10.44:./syz-executor525068013"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.44 port 22 timed out lost connection run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad b60876296847e6cd7f1da4b8b7f0f31399d59aa1 Bisecting: 2508 revisions left to test after this (roughly 11 steps) [671028728083e856e9919221b109e3b2cd2ccc49] parisc: Implement __get/put_kernel_nofault() testing commit 671028728083e856e9919221b109e3b2cd2ccc49 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5006c6f707b3c69575a49d05cd7010573fa5b3f015c7ef2cbfe25cc008953523 run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #6: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #7: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #8: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #9: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon # git bisect good 671028728083e856e9919221b109e3b2cd2ccc49 Bisecting: 1251 revisions left to test after this (roughly 10 steps) [a3b397b4fffb799d25658defafd962f0fb3e9fe0] Merge branch 'akpm' (patches from Andrew) testing commit a3b397b4fffb799d25658defafd962f0fb3e9fe0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4a0e01a16ebc2f4d1c6a1f4a115067e2124ff60b2a75f468cfa8ebf47a804252 run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #6: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #7: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #8: 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" "/tmp/syz-executor080572842" "root@10.128.10.56:./syz-executor080572842"]: exit status 1 ssh: connect to host 10.128.10.56 port 22: Connection timed out lost connection run #9: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon # git bisect good a3b397b4fffb799d25658defafd962f0fb3e9fe0 Bisecting: 625 revisions left to test after this (roughly 9 steps) [ca20dfda05ae0531c8f5117b6ac989816f6cf658] net/mlx5e: Allow only complete TXQs partition in MQPRIO channel mode testing commit ca20dfda05ae0531c8f5117b6ac989816f6cf658 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: fe4678fcd295e1eb6cec2c95329ff486f8df926b443f733ecf3fdd2710769dde run #0: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #1: crashed: no output from test machine 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 # git bisect good ca20dfda05ae0531c8f5117b6ac989816f6cf658 Bisecting: 315 revisions left to test after this (roughly 8 steps) [86a44e9067c95083d5dbf5a140e3f4560e5af1ca] Merge tag 'ntfs3_for_5.15' of git://github.com/Paragon-Software-Group/linux-ntfs3 testing commit 86a44e9067c95083d5dbf5a140e3f4560e5af1ca compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 66d90658872e58e29005e9189e228f914d13a35a4c829b847d4f30ee86b61b34 run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #10: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #11: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #12: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #13: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #14: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #15: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon run #16: OK run #17: OK run #18: OK run #19: OK # git bisect good 86a44e9067c95083d5dbf5a140e3f4560e5af1ca Bisecting: 159 revisions left to test after this (roughly 7 steps) [a563ae0ff6dc1b810f08e52dff3ad16affed3d24] Merge tag 'staging-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit a563ae0ff6dc1b810f08e52dff3ad16affed3d24 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1a8218f697cbbb9c0d2480641da2a05f3254c40a19a34d9460d7b3e08ff005ab run #0: crashed: INFO: rcu detected stall in addrconf_rs_timer run #1: crashed: INFO: rcu detected stall in futex run #2: crashed: INFO: rcu detected stall in addrconf_rs_timer run #3: crashed: INFO: task hung in corrupted run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: INFO: rcu detected stall in addrconf_rs_timer run #7: 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" "/tmp/syz-executor101483958" "root@10.128.10.50:./syz-executor101483958"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.50 port 22 timed out lost connection 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 # git bisect good a563ae0ff6dc1b810f08e52dff3ad16affed3d24 Bisecting: 79 revisions left to test after this (roughly 6 steps) [2e9bc3465ac54d282b855b073409c2c3a7d1ae00] block: move elevator.h to block/ testing commit 2e9bc3465ac54d282b855b073409c2c3a7d1ae00 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2e6dddcc0a5e5e29eb375a3e26a58a55ceabf68fee8c105b3f9cb4ffb2d0fe36 run #0: crashed: INFO: rcu detected stall in net_rx_action run #1: crashed: BUG: soft lockup in addrconf_rs_timer run #2: crashed: INFO: rcu detected stall in addrconf_rs_timer run #3: crashed: INFO: task hung in corrupted run #4: 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" "/tmp/syz-executor192458920" "root@10.128.10.18:./syz-executor192458920"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.18 port 22 timed out lost connection run #5: OK run #6: crashed: INFO: rcu detected stall in mac80211_hwsim_beacon 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 # git bisect good 2e9bc3465ac54d282b855b073409c2c3a7d1ae00 Bisecting: 39 revisions left to test after this (roughly 5 steps) [b6559d8f9fdd7f0e139161cffea2645bd8d084c6] block: fold bio_cur_bytes into blk_rq_cur_bytes testing commit b6559d8f9fdd7f0e139161cffea2645bd8d084c6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7c651fde1b6d7ec277c319c9af24d331968c0aba10fc4880e0fd97b358891fe4 run #0: crashed: INFO: rcu detected stall in addrconf_rs_timer run #1: crashed: INFO: rcu detected stall in hsr_announce 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" "/tmp/syz-executor633867767" "root@10.128.10.40:./syz-executor633867767"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.40 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" "/tmp/syz-executor653514049" "root@10.128.1.34:./syz-executor653514049"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.34 port 22 timed out lost connection run #4: 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" "/tmp/syz-executor032825260" "root@10.128.0.193:./syz-executor032825260"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.193 port 22 timed out lost connection run #5: crashed: INFO: rcu detected stall in addrconf_rs_timer run #6: 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" "/tmp/syz-executor417164805" "root@10.128.0.165:./syz-executor417164805"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.165 port 22 timed out lost connection run #7: 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" "/tmp/syz-executor690012195" "root@10.128.15.222:./syz-executor690012195"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.222 port 22 timed out lost connection 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 # git bisect good b6559d8f9fdd7f0e139161cffea2645bd8d084c6 Bisecting: 19 revisions left to test after this (roughly 4 steps) [28a1ae6b9daba6ac65700eeb38479bd6fadec089] blk-mq: remove blk_qc_t_valid testing commit 28a1ae6b9daba6ac65700eeb38479bd6fadec089 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d2301b4922aeb502b2fb5ab7a349440ba04b43010fbd21d2d6b4907aa9e18313 run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #10: crashed: INFO: rcu detected stall in lock_is_held_type run #11: crashed: INFO: rcu detected stall in addrconf_rs_timer run #12: 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" "/tmp/syz-executor636499865" "root@10.128.0.180:./syz-executor636499865"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.180 port 22 timed out lost connection run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect good 28a1ae6b9daba6ac65700eeb38479bd6fadec089 Bisecting: 9 revisions left to test after this (roughly 3 steps) [09ce8744253a038eb658c14f9dc3b77fa021fc9f] block: use flags instead of bit fields for blkdev_dio testing commit 09ce8744253a038eb658c14f9dc3b77fa021fc9f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d81f1577e6f7644a7f467519ea82c6e1cb4b34fd62fb573ed75fd17d2c65e41c run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #10: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #11: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #12: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #13: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #14: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #15: crashed: INFO: rcu detected stall in addrconf_rs_timer run #16: OK run #17: OK run #18: OK run #19: OK # git bisect good 09ce8744253a038eb658c14f9dc3b77fa021fc9f Bisecting: 4 revisions left to test after this (roughly 2 steps) [eab4e02733699cdf76fbe5e542d248c28454b3af] block: use bdev_get_queue() in blk-core.c testing commit eab4e02733699cdf76fbe5e542d248c28454b3af compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b44e4712b7d3cdf180758029eefe01131a7a24140d3740e14e8b3e833c90e81a run #0: crashed: unregister_netdevice: waiting for DEV to become free run #1: crashed: INFO: rcu detected stall in ipv6_rcv run #2: crashed: INFO: rcu detected stall in gc_worker run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: task hung in corrupted run #5: 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" "/tmp/syz-executor988363328" "root@10.128.15.212:./syz-executor988363328"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.212 port 22 timed out lost connection run #6: 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" "/tmp/syz-executor533016223" "root@10.128.15.214:./syz-executor533016223"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.214 port 22 timed out lost connection run #7: crashed: INFO: rcu detected stall in ipv6_rcv 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 # git bisect good eab4e02733699cdf76fbe5e542d248c28454b3af Bisecting: 2 revisions left to test after this (roughly 1 step) [d4aa57a1cac3c99ffd641f7c8e0a7aff5656de0d] block: don't bother iter advancing a fully done bio testing commit d4aa57a1cac3c99ffd641f7c8e0a7aff5656de0d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d3304f2c266907acecb5b3e2b3b789f674c96e2efe7e37c581f4aa2427accf12 run #0: crashed: INFO: rcu detected stall in addrconf_rs_timer 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 # git bisect good d4aa57a1cac3c99ffd641f7c8e0a7aff5656de0d Bisecting: 0 revisions left to test after this (roughly 1 step) [9be3e06fb75abcca00c955af740fabff46a13452] block: move update request helpers into blk-mq.c testing commit 9be3e06fb75abcca00c955af740fabff46a13452 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 78c223b0ae63cc9d94000f049e35fb704300c19f804710b31497477dbf136814 run #0: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: 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" "/tmp/syz-executor044423751" "root@10.128.10.7:./syz-executor044423751"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.7 port 22 timed out lost connection run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect good 9be3e06fb75abcca00c955af740fabff46a13452 b60876296847e6cd7f1da4b8b7f0f31399d59aa1 is the first bad commit commit b60876296847e6cd7f1da4b8b7f0f31399d59aa1 Author: Jens Axboe Date: Fri Oct 15 15:03:52 2021 -0600 block: improve layout of struct request It's been a while since this was analyzed, move some members around to better flow with the use case. Initial state up top, and queued state after that. This improves my peak case by about 1.5%, from 7750K to 7900K IOPS. Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe include/linux/blk-mq.h | 90 ++++++++++++++++++++++++++------------------------ 1 file changed, 46 insertions(+), 44 deletions(-) culprit signature: 16274b8661be38527a27e5aef602e2c081c3828c4f08f3f208984997be97cf6f parent signature: 78c223b0ae63cc9d94000f049e35fb704300c19f804710b31497477dbf136814 Reproducer flagged being flaky revisions tested: 18, total time: 5h24m7.737420485s (build: 1h54m29.679831449s, test: 3h27m32.347663097s) first good commit: b60876296847e6cd7f1da4b8b7f0f31399d59aa1 block: improve layout of struct request recipients (to): ["axboe@kernel.dk" "axboe@kernel.dk" "hch@lst.de" "linux-block@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"]