ci2 starts bisection 2024-12-01 10:05:46.902308206 +0000 UTC m=+120187.590364479 bisecting cause commit starting from 2ba9f676d0a2e408aef14d679984c26373bf37b7 building syzkaller on 689146651cb695ec7836080377ad32933a0b9bce ensuring issue is reproducible on original commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f4dac14f263382bbb7ecd55015ddbccb75743ad20ce42f7195a94cd800354c4 run #0: crashed: WARNING: locking bug in rcu_pending_exit run #1: crashed: WARNING: locking bug in rcu_pending_exit run #2: crashed: WARNING: locking bug in rcu_pending_exit run #3: crashed: WARNING: locking bug in rcu_pending_exit run #4: crashed: WARNING in bch2_fs_btree_iter_exit run #5: crashed: WARNING: locking bug in rcu_pending_exit run #6: crashed: WARNING: locking bug in rcu_pending_exit run #7: crashed: WARNING: locking bug in rcu_pending_pcpu_dequeue run #8: crashed: WARNING in bch2_fs_btree_iter_exit run #9: crashed: WARNING: locking bug in rcu_pending_exit run #10: crashed: INFO: task hung in synchronize_rcu run #11: crashed: INFO: task hung in synchronize_rcu run #12: crashed: WARNING: locking bug in rcu_pending_exit run #13: crashed: INFO: task hung in synchronize_rcu run #14: crashed: WARNING: locking bug in rcu_pending_exit run #15: crashed: WARNING: locking bug in rcu_pending_exit run #16: crashed: WARNING: locking bug in rcu_pending_exit run #17: OK run #18: OK run #19: OK representative crash: WARNING: locking bug in rcu_pending_exit, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3da2bc6e13673bcdf37ae631b0a4f2d5f337559086cd4aa7d6b7a8a7507b6509 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __timer_delete_sync run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_pending_exit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in dst_dev_put run #3: crashed: BUG: Bad rss-counter state run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in __timer_delete_sync, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=4037 full=8234 leaves diff=2123 split chunks (needed=false): <2123> split chunk #0 of len 2123 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1dcf82a5cf185315b4a3f90bb247f5b367fb81c38161abde09529e2ca7331545 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38f37651daa5aebffdea46f6e905713ea50ae9fde15f2d7ddb67d8ec93c435f0 run #0: crashed: BUG: Bad rss-counter state run #1: crashed: general protection fault in get_work_pool run #2: crashed: BUG: unable to handle kernel paging request in process_srcu run #3: crashed: BUG: unable to handle kernel paging request in rcu_segcblist_advance run #4: crashed: general protection fault in bch2_fs_release run #5: crashed: general protection fault in get_work_pool run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #7: crashed: BUG: unable to handle kernel paging request in process_srcu run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3798701994" "root@10.128.1.66:./syz-executor3798701994"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.66, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.66 [10.128.1.66] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.66 port 22 timed out scp: Connection closed run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in dst_dev_put run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in dst_dev_put run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1089993686" "root@10.128.0.217:./syz-executor1089993686"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.217, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.217 [10.128.0.217] port 22. debug1: connect to address 10.128.0.217 port 22: Connection timed out ssh: connect to host 10.128.0.217 port 22: Connection timed out scp: Connection closed run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in __fib6_drop_pcpu_from run #13: crashed: BUG: Bad rss-counter state run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: BUG: Bad rss-counter state, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f43827c0750f9bc20455e33cde34d1cdeeebd6e5e36b24350006c4a0ddbbef38 run #0: crashed: general protection fault in bch2_fs_release run #1: crashed: BUG: unable to handle kernel paging request in rcu_segcblist_advance run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in srcu_gp_start_if_needed run #3: crashed: general protection fault in bch2_fs_release run #4: crashed: BUG: Bad rss-counter state run #5: crashed: BUG: unable to handle kernel paging request in __timer_delete_sync run #6: crashed: BUG: unable to handle kernel paging request in __timer_delete_sync run #7: crashed: BUG: unable to handle kernel paging request in corrupted run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_pending_pcpu_dequeue run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #10: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1724182317" "root@10.128.1.102:./syz-executor1724182317"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.102, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.102 [10.128.1.102] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.102 port 22 timed out scp: Connection closed run #11: crashed: BUG: workqueue lockup run #12: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1115546192" "root@10.128.0.82:./syz-executor1115546192"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.82, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.82 [10.128.0.82] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.82 port 22 timed out scp: Connection closed run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in __fib6_drop_pcpu_from run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: general protection fault in bch2_fs_release, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 571816aad8f9c098b201f517ca9dcce1ade727661e28816add87aaf6a6b3538d run #0: crashed: general protection fault in bch2_fs_release run #1: crashed: general protection fault in bch2_fs_release run #2: crashed: BUG: unable to handle kernel paging request in process_srcu run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_pending_exit run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in srcu_gp_start_if_needed run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in ip6_pol_route run #7: crashed: BUG: unable to handle kernel paging request in __timer_delete_sync run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in __timer_delete_sync run #9: crashed: general protection fault in bch2_fs_release run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in srcu_gp_start_if_needed run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3011750176" "root@10.128.1.132:./syz-executor3011750176"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.132, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.132 [10.128.1.132] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.132 port 22 timed out scp: Connection closed run #12: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2101951170" "root@10.128.10.6:./syz-executor2101951170"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.6, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.6 [10.128.10.6] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.6 port 22 timed out scp: Connection closed run #13: crashed: general protection fault in bch2_fs_btree_interior_update_exit run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #15: crashed: BUG: unable to handle kernel NULL pointer dereference in __fib6_drop_pcpu_from run #16: OK run #17: OK run #18: OK run #19: OK representative crash: general protection fault in bch2_fs_release, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0a92ac599342c8311506e441b64a1ebddf53cf8e4653d852186e6b17249ac16 run #0: crashed: general protection fault in bch2_fs_release run #1: crashed: general protection fault in bch2_fs_release run #2: crashed: general protection fault in bch2_fs_btree_interior_update_exit run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: unable to handle kernel paging request in srcu_gp_start_if_needed run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: unable to handle kernel paging request in __timer_delete_sync run #8: crashed: BUG: unable to handle kernel paging request in process_srcu run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #10: crashed: BUG: unable to handle kernel paging request in process_srcu run #11: OK run #12: crashed: BUG: workqueue lockup run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: general protection fault in bch2_fs_release, types: [UNKNOWN] the chunk can be dropped minimized to 425 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_EC ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_DEFAULT_CRASH_DUMP ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_EXECMEM_ROX ARCH_HAS_PREEMPT_LAZY ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_SUPPORTS_RT ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCTR CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed picked [v6.12 v6.11 v6.10 v6.8 v6.6 v6.4 v6.2 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 35 release tags testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 140c615d51af71cdaa4910c0d5588827b8e6a942cd0356279c5c5d14277a1476 run #0: crashed: general protection fault in bch2_fs_release run #1: crashed: BUG: unable to handle kernel paging request in rcu_segcblist_advance run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in __timer_delete_sync run #4: crashed: BUG: workqueue lockup run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1220360545" "root@10.128.10.16:./syz-executor1220360545"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.16, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.16 [10.128.10.16] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.16 port 22 timed out scp: Connection closed 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 representative crash: general protection fault in bch2_fs_release, types: [UNKNOWN] testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a5492a21bd6f3e248c26d0efe75c4ac64d718cf874159ad7444bd25fd1a31b55 run #0: crashed: general protection fault in bch2_fs_release run #1: crashed: general protection fault in bch2_fs_release run #2: crashed: general protection fault in bch2_fs_journal_exit run #3: crashed: general protection fault in bch2_fs_release run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor828030904" "root@10.128.0.63:./syz-executor828030904"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.63, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.63 [10.128.0.63] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.63 port 22 timed out scp: Connection closed run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2718300018" "root@10.128.0.192:./syz-executor2718300018"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.192, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.192 [10.128.0.192] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.192 port 22 timed out scp: Connection closed 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 representative crash: general protection fault in bch2_fs_release, types: [UNKNOWN] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 58b8b42c4560afc343149ca5f5f1bce9b21fea8b4657320b5d4a2d0933473fbe all runs: OK false negative chance: 0.000 # git bisect start 98f7e32f20d28ec452afb208f9cffc08448a2652 0c3836482481200ead7b416ca80c68a29cfdaabd Bisecting: 7076 revisions left to test after this (roughly 13 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25fd0deeb4407de0c3a8dfb9f7a642eead08a258ea032dbbf9845b23ac9f5dd5 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3948111481" "root@10.128.10.62:./syz-executor3948111481"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.62, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.62 [10.128.10.62] port 22. debug1: connect to address 10.128.10.62 port 22: Connection timed out ssh: connect to host 10.128.10.62 port 22: Connection timed out scp: Connection closed run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1797988690" "root@10.128.10.50:./syz-executor1797988690"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.50, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.50 [10.128.10.50] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.50 port 22 timed out scp: Connection closed run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor37380001" "root@10.128.10.57:./syz-executor37380001"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.57, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.57 [10.128.10.57] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.57 port 22 timed out scp: Connection closed run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3254984306" "root@10.128.10.55:./syz-executor3254984306"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.55, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.55 [10.128.10.55] port 22. debug1: connect to address 10.128.10.55 port 22: Connection timed out ssh: connect to host 10.128.10.55 port 22: Connection timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1680540046" "root@10.128.10.60:./syz-executor1680540046"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.60, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.60 [10.128.10.60] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.60 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3907743521" "root@10.128.15.208:./syz-executor3907743521"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.208, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.208 [10.128.15.208] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.15.208 port 22 timed out scp: Connection closed 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node, types: [UNKNOWN] # git bisect bad b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 3572 revisions left to test after this (roughly 12 steps) [51835949dda3783d4639cfa74ce13a3c9829de00] Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 51835949dda3783d4639cfa74ce13a3c9829de00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c781375d21592bf77e104a30e2527f1a11255bff2529d84f87f0009c7ddc999 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_iter_exit run #1: crashed: invalid opcode in srcu_invoke_callbacks run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_key_cache_exit run #4: crashed: no output from test machine run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2367636642" "root@10.128.1.147:./syz-executor2367636642"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.147, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.147 [10.128.1.147] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.147 port 22 timed out scp: Connection closed run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3413476607" "root@10.128.15.197:./syz-executor3413476607"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.197, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.197 [10.128.15.197] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.15.197 port 22 timed out scp: Connection closed 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_iter_exit, types: [UNKNOWN] # git bisect bad 51835949dda3783d4639cfa74ce13a3c9829de00 Bisecting: 2238 revisions left to test after this (roughly 11 steps) [e3950967f6e6b74a3606739ec50ed19f3398c7d8] Merge tag 'soc-dt-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit e3950967f6e6b74a3606739ec50ed19f3398c7d8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c2e7fbec8e7f853dab887b799bc97300f9b556e1cf52f0647d96fd2723cf75e run #0: crashed: invalid opcode in deactivate_slab run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3073903316" "root@10.128.0.104:./syz-executor3073903316"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.104, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.104 [10.128.0.104] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.104 port 22 timed out scp: Connection closed run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2911641116" "root@10.128.1.122:./syz-executor2911641116"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.122, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.122 [10.128.1.122] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.122 port 22 timed out scp: Connection closed run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor434836142" "root@10.128.1.25:./syz-executor434836142"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.25, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.25 [10.128.1.25] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.25 port 22 timed out scp: Connection closed run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1581467560" "root@10.128.15.204:./syz-executor1581467560"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.204, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.204 [10.128.15.204] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.15.204 port 22 timed out scp: Connection closed 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 representative crash: invalid opcode in deactivate_slab, types: [UNKNOWN] # git bisect bad e3950967f6e6b74a3606739ec50ed19f3398c7d8 Bisecting: 1121 revisions left to test after this (roughly 10 steps) [1d86d352411dab9bf9312c9eb4b2d4020195be45] Merge tag 'x86_build_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 1d86d352411dab9bf9312c9eb4b2d4020195be45 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d003b6be707c9b41e57cdca4da27daafbb32188a6bb4efea78719cb032098970 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: no output from test machine run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor309501359" "root@10.128.10.58:./syz-executor309501359"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.58, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.58 [10.128.10.58] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.10.58 port 22 timed out scp: Connection closed run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2528214175" "root@10.128.15.204:./syz-executor2528214175"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.204, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.204 [10.128.15.204] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.15.204 port 22 timed out scp: Connection closed run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor868175966" "root@10.128.0.194:./syz-executor868175966"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.194, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.194 [10.128.0.194] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.194 port 22 timed out scp: Connection closed 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending, types: [UNKNOWN] # git bisect bad 1d86d352411dab9bf9312c9eb4b2d4020195be45 Bisecting: 556 revisions left to test after this (roughly 9 steps) [bbb3556c014dc8ed1645b725ad84477603553743] Merge tag 'keys-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd testing commit bbb3556c014dc8ed1645b725ad84477603553743 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b6a188b34aa319d84842a7e49865a2d91219a5e43a4246fa1a411d2c83d764f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #1: crashed: BUG: unable to handle kernel paging request in __timer_delete_sync run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1552768870" "root@10.128.1.92:./syz-executor1552768870"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.92, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.92 [10.128.1.92] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.1.92 port 22 timed out scp: Connection closed 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node, types: [UNKNOWN] # git bisect bad bbb3556c014dc8ed1645b725ad84477603553743 Bisecting: 341 revisions left to test after this (roughly 8 steps) [3c1743a685b19bc17cf65af4a2eb149fd3b15c50] floppy: add missing MODULE_DESCRIPTION() macro testing commit 3c1743a685b19bc17cf65af4a2eb149fd3b15c50 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db960e3290cc6232969569785100504a94442c152fc04767a4b20fe7cf03d93e run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] # git bisect bad 3c1743a685b19bc17cf65af4a2eb149fd3b15c50 Bisecting: 105 revisions left to test after this (roughly 7 steps) [bf4ae8f2e6407a779c0368eb0f3e047a8333be17] scsi: sd: Atomic write support testing commit bf4ae8f2e6407a779c0368eb0f3e047a8333be17 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b18611b76e4003a1e0a6f1fcac31bf97e3f13462e135c11fa90ad45edfa98c20 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_key_cache_exit run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] # git bisect bad bf4ae8f2e6407a779c0368eb0f3e047a8333be17 Bisecting: 52 revisions left to test after this (roughly 6 steps) [7f91ccd8a608dbe39b97a6e43d635378d493f77e] dm: Call dm_revalidate_zones() after setting the queue limits testing commit 7f91ccd8a608dbe39b97a6e43d635378d493f77e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b87c6a73bff6bfaec77fe242b90eebc03e9a1614486e44630635ae77d07bf7f6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 7f91ccd8a608dbe39b97a6e43d635378d493f77e Bisecting: 52 revisions left to test after this (roughly 6 steps) [a00d4bfce7c6d7fa4712b8133ec195c9bd142ae6] rbd: increase io_opt again testing commit a00d4bfce7c6d7fa4712b8133ec195c9bd142ae6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7fe57b08c2db6906f8315012c5e661e3ad1e38d251b5f516ce8a11de9bd91b1a run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node, types: [UNKNOWN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip a00d4bfce7c6d7fa4712b8133ec195c9bd142ae6 Bisecting: 52 revisions left to test after this (roughly 6 steps) [cdb2497918cc2929691408bac87b58433b45b6d3] block: move the io_stat flag setting to queue_limits testing commit cdb2497918cc2929691408bac87b58433b45b6d3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d73f598fff065643f36d71091015dcc6e35a4044f115eeed25d6925518a1ed08 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] # git bisect bad cdb2497918cc2929691408bac87b58433b45b6d3 Bisecting: 20 revisions left to test after this (roughly 4 steps) [1366251a794b149a132ef8423c8946b6e565a923] block: factor out flag_{store,show} helper for integrity testing commit 1366251a794b149a132ef8423c8946b6e565a923 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be2dbb8ac25440a27bee0627aa446f716268debfebaa4c838d3402997685ecfe run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in deactivate_slab run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_key_cache_exit run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4169853873" "root@10.128.15.219:./syz-executor4169853873"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.219, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.219 [10.128.15.219] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u3 Connection timed out during banner exchange Connection to 10.128.15.219 port 22 timed out scp: Connection closed 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in deactivate_slab, types: [UNKNOWN] # git bisect bad 1366251a794b149a132ef8423c8946b6e565a923 Bisecting: 9 revisions left to test after this (roughly 3 steps) [804e498e0496d889090f32f812b5ce1a4f2aa63e] sd: convert to the atomic queue limits API testing commit 804e498e0496d889090f32f812b5ce1a4f2aa63e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68934f03988cf5f62304fa4dd5b4f16a8aa8f6781c17c5b413feaf2bed13a3a8 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] # git bisect bad 804e498e0496d889090f32f812b5ce1a4f2aa63e Bisecting: 4 revisions left to test after this (roughly 3 steps) [b0dadb86a90bd5a7b723f9d3a6cf69da9b596496] sd: add a sd_disable_discard helper testing commit b0dadb86a90bd5a7b723f9d3a6cf69da9b596496 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13c158f589b423851e45c513bdf936feda225248a4a1fd2631971d878f2636df run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in __put_partials, types: [UNKNOWN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip b0dadb86a90bd5a7b723f9d3a6cf69da9b596496 Bisecting: 4 revisions left to test after this (roughly 3 steps) [d15b9bd42cd3b2077812d4bf32f532a9bd5c4914] sd: simplify the disable case in sd_config_discard testing commit d15b9bd42cd3b2077812d4bf32f532a9bd5c4914 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8d1c2c4febf5a31338de6d25324e779c533558da10918a343e221c4acf8721f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in process_srcu, types: [UNKNOWN] # git bisect bad d15b9bd42cd3b2077812d4bf32f532a9bd5c4914 Bisecting: 3 revisions left to test after this (roughly 2 steps) [a23634644afc2f7c1bac98776440a1f3b161819e] block: take io_opt and io_min into account for max_sectors testing commit a23634644afc2f7c1bac98776440a1f3b161819e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d21dcd1a521f577cce30ac9ac895a563723a05be7f8b121f8c7a334685e04de run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in __put_partials, types: [UNKNOWN] # git bisect bad a23634644afc2f7c1bac98776440a1f3b161819e Bisecting: 1 revision left to test after this (roughly 1 step) [31ade7d4fdcf382beb8cb229a1f5d77e0f239672] ubd: untagle discard vs write zeroes not support handling testing commit 31ade7d4fdcf382beb8cb229a1f5d77e0f239672 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8fb01e9fcb3a7b86cf085dafcc1ea069841f348d4b4e764b0cd15b21e9dd6f6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node, types: [UNKNOWN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 31ade7d4fdcf382beb8cb229a1f5d77e0f239672 Bisecting: 1 revision left to test after this (roughly 1 step) [5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6] ubd: refactor the interrupt handler testing commit 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db884c2d37331a6babe725137707d7eae7d163f73c0e7c8005677d2bd129d00f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in srcu_invoke_callbacks run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_btree_key_cache_exit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in detach_if_pending run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in process_srcu run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in __put_partials 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in srcu_invoke_callbacks, types: [UNKNOWN] # git bisect bad 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 is the first bad commit commit 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 Author: Christoph Hellwig Date: Fri May 31 09:47:56 2024 +0200 ubd: refactor the interrupt handler Instead of a separate handler function that leaves no work in the interrupt hanler itself, split out a per-request end I/O helper and clean up the coding style and variable naming while we're at it. Signed-off-by: Christoph Hellwig Reviewed-by: Martin K. Petersen Acked-By: Anton Ivanov Link: https://lore.kernel.org/r/20240531074837.1648501-2-hch@lst.de Signed-off-by: Jens Axboe arch/um/drivers/ubd_kern.c | 49 +++++++++++++++++----------------------------- 1 file changed, 18 insertions(+), 31 deletions(-) accumulated error probability: 0.00 parent commit 83a7eefedc9b56fe7bfeff13b6c7356688ffa670 wasn't tested testing commit 83a7eefedc9b56fe7bfeff13b6c7356688ffa670 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a640408bc24ecfc46e0b398aa6e8e65ce65fb5026a5f0f7e333287502db6edf culprit signature: db884c2d37331a6babe725137707d7eae7d163f73c0e7c8005677d2bd129d00f parent signature: 6a640408bc24ecfc46e0b398aa6e8e65ce65fb5026a5f0f7e333287502db6edf reproducer is flaky (0.16 repro chance estimate) revisions tested: 27, total time: 9h56m57.33655439s (build: 3h43m11.845398481s, test: 6h2m21.43195684s) first bad commit: 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 ubd: refactor the interrupt handler recipients (to): ["anton.ivanov@cambridgegreys.com" "axboe@kernel.dk" "hch@lst.de" "martin.petersen@oracle.com"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in srcu_invoke_callbacks BUG: kernel NULL pointer dereference, address: 0000000000000180 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000168ff4067 P4D 8000000168ff4067 PUD 16b16c067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 570 Comm: kworker/0:2 Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: rcu_gp srcu_invoke_callbacks RIP: 0010:rcu_seq_current kernel/rcu/rcu.h:138 [inline] RIP: 0010:srcu_invoke_callbacks+0x66/0x1c0 kernel/rcu/srcutree.c:1733 Code: 00 00 48 8b 6f 70 48 8d 7c 24 08 e8 84 d2 00 00 4c 8d b3 e0 fe ff ff 4c 89 f7 e8 25 36 b5 01 4c 8d bb 20 ff ff ff 48 8b 45 38 <48> 8b b0 80 01 00 00 4c 89 ff e8 0b d9 00 00 80 7b a8 00 0f 85 c3 RSP: 0018:ffffc90001447db8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffe8ffffc173e0 RCX: 0000000000000001 RDX: 00000000f681636c RSI: ffffffff8383ad78 RDI: ffffe8ffffc172c0 RBP: ffff8881738842c0 R08: 0000000000000001 R09: ffff8881017d9bc0 R10: 0000000000000018 R11: ffffffff8123c170 R12: ffff88810008a600 R13: ffff888237c30d40 R14: ffffe8ffffc172c0 R15: ffffe8ffffc17300 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000180 CR3: 0000000174dfc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0x2ac/0x5c0 kernel/workqueue.c:3312 worker_thread+0x23e/0x300 kernel/workqueue.c:3393 kthread+0xea/0x100 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CR2: 0000000000000180 ---[ end trace 0000000000000000 ]--- RIP: 0010:rcu_seq_current kernel/rcu/rcu.h:138 [inline] RIP: 0010:srcu_invoke_callbacks+0x66/0x1c0 kernel/rcu/srcutree.c:1733 Code: 00 00 48 8b 6f 70 48 8d 7c 24 08 e8 84 d2 00 00 4c 8d b3 e0 fe ff ff 4c 89 f7 e8 25 36 b5 01 4c 8d bb 20 ff ff ff 48 8b 45 38 <48> 8b b0 80 01 00 00 4c 89 ff e8 0b d9 00 00 80 7b a8 00 0f 85 c3 RSP: 0018:ffffc90001447db8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffe8ffffc173e0 RCX: 0000000000000001 RDX: 00000000f681636c RSI: ffffffff8383ad78 RDI: ffffe8ffffc172c0 RBP: ffff8881738842c0 R08: 0000000000000001 R09: ffff8881017d9bc0 R10: 0000000000000018 R11: ffffffff8123c170 R12: ffff88810008a600 R13: ffff888237c30d40 R14: ffffe8ffffc172c0 R15: ffffe8ffffc17300 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000180 CR3: 0000000174dfc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 8b 6f 70 mov 0x70(%rdi),%rbp 6: 48 8d 7c 24 08 lea 0x8(%rsp),%rdi b: e8 84 d2 00 00 call 0xd294 10: 4c 8d b3 e0 fe ff ff lea -0x120(%rbx),%r14 17: 4c 89 f7 mov %r14,%rdi 1a: e8 25 36 b5 01 call 0x1b53644 1f: 4c 8d bb 20 ff ff ff lea -0xe0(%rbx),%r15 26: 48 8b 45 38 mov 0x38(%rbp),%rax * 2a: 48 8b b0 80 01 00 00 mov 0x180(%rax),%rsi <-- trapping instruction 31: 4c 89 ff mov %r15,%rdi 34: e8 0b d9 00 00 call 0xd944 39: 80 7b a8 00 cmpb $0x0,-0x58(%rbx) 3d: 0f .byte 0xf 3e: 85 c3 test %eax,%ebx