ci2 starts bisection 2023-10-07 22:37:11.044036595 +0000 UTC m=+63418.323797198
bisecting fixing commit since f67653019430833d5003f16817d7fa85272a6a76
building syzkaller on 79782afcff30fd0c0af8c2725d508b2c7150f3ed
ensuring issue is reproducible on original commit f67653019430833d5003f16817d7fa85272a6a76

testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9ca8d915bbc10d0ca8493a5596e52874e606af9cb436c350bcc27ee3d675ecae
run #0: crashed: WARNING in corrupted
run #1: crashed: INFO: rcu detected stall in wb_workfn
run #2: crashed: INFO: rcu detected stall in net_tx_action
run #3: crashed: INFO: rcu detected stall in gc_worker
run #4: crashed: INFO: rcu detected stall in sys_exit_group
run #5: crashed: INFO: rcu detected stall in neigh_periodic_work
run #6: crashed: INFO: rcu detected stall in gc_worker
run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #8: crashed: INFO: rcu detected stall in sys_getsockopt
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in wb_workfn
run #11: crashed: INFO: rcu detected stall in wb_workfn
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: crashed: INFO: rcu detected stall in gc_worker
run #15: crashed: INFO: rcu detected stall in wg_ratelimiter_gc_entries
run #16: crashed: INFO: rcu detected stall in smp_call_function
run #17: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #18: crashed: BUG: workqueue lockup
run #19: crashed: no output from test machine
representative crash: INFO: rcu detected stall in wb_workfn, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 25b8a55c506ac4f136f9128e2bc101ef1d8cce92291e0f3d66aecbd065865537
run #0: crashed: INFO: rcu detected stall in gc_worker
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor3192379220" "root@10.128.10.45:./syz-executor3192379220"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.45, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.45 [10.128.10.45] 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
Connection timed out during banner exchange
Connection to 10.128.10.45 port 22 timed out
scp: Connection closed

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" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1959603408" "root@10.128.0.94:./syz-executor1959603408"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.0.94, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.0.94 [10.128.0.94] 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
Connection timed out during banner exchange
Connection to 10.128.0.94 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" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor15219057" "root@10.128.1.15:./syz-executor15219057"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.15, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.15 [10.128.1.15] port 22.
debug1: connect to address 10.128.1.15 port 22: Connection timed out
ssh: connect to host 10.128.1.15 port 22: Connection timed out
scp: Connection closed

run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in gc_worker, types: [HANG]
kconfig minimization: base=3703 full=7269 leaves diff=1988
split chunks (needed=false): <1988>
split chunk #0 of len 1988 into 5 parts
testing without sub-chunk 1/5
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 353ed110e105f70fcf4f1a980c6f0a24ddaf9c4a93b65edc24298b1afcb968b6
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc006a6b900 0xc006a6b9f0 0xc006a6ba90] 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: crashed: INFO: rcu detected stall in net_tx_action
run #2: crashed: INFO: rcu detected stall in net_tx_action
run #3: crashed: BUG: soft lockup in tc_modify_qdisc
run #4: crashed: INFO: rcu detected stall in gc_worker
run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #6: crashed: INFO: rcu detected stall in net_tx_action
run #7: crashed: BUG: soft lockup in net_tx_action
run #8: crashed: INFO: rcu detected stall in wg_ratelimiter_gc_entries
run #9: crashed: INFO: rcu detected stall in smp_call_function
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: task hung in __lru_add_drain_all
run #12: crashed: INFO: rcu detected stall in clone
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: crashed: INFO: rcu detected stall in neigh_periodic_work
run #15: crashed: INFO: rcu detected stall in do_idle
run #16: crashed: INFO: rcu detected stall in net_tx_action
run #17: crashed: INFO: rcu detected stall in smp_call_function
run #18: crashed: BUG: soft lockup in smp_call_function
run #19: crashed: INFO: rcu detected stall in gc_worker
representative crash: INFO: rcu detected stall in net_tx_action, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6acb62804bf6f6312efe60803991a2e30ba6edb0cd0d3eaac4efa01754ae70b3
run #0: crashed: INFO: rcu detected stall in wb_workfn
run #1: crashed: INFO: rcu detected stall in smp_call_function
run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #3: crashed: INFO: rcu detected stall in net_tx_action
run #4: crashed: INFO: rcu detected stall in call_usermodehelper_exec_async
run #5: crashed: INFO: rcu detected stall in net_tx_action
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in sys_openat
run #8: crashed: INFO: rcu detected stall in net_tx_action
run #9: crashed: INFO: rcu detected stall in gc_worker
run #10: crashed: INFO: rcu detected stall in wb_workfn
run #11: crashed: BUG: soft lockup in call_usermodehelper_exec_work
run #12: crashed: INFO: rcu detected stall in call_usermodehelper_exec_work
run #13: crashed: INFO: rcu detected stall in wb_workfn
run #14: crashed: INFO: rcu detected stall in do_idle
run #15: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #16: crashed: INFO: rcu detected stall in clone
run #17: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor3264166585" "root@10.128.10.56:./syz-executor3264166585"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.56, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.56 [10.128.10.56] port 22.
debug1: connect to address 10.128.10.56 port 22: Connection timed out
ssh: connect to host 10.128.10.56 port 22: Connection timed out
scp: Connection closed

run #18: crashed: no output from test machine
run #19: crashed: INFO: task hung in addrconf_dad_work
representative crash: INFO: rcu detected stall in wb_workfn, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 47cf58107ffa4e5bbf8c594c28214c5214503175f975d2b665bc808cb3a3b364
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 83211b6b599e3f5d584acd1b376c2d6b345a26f5c96ab6dd1d786c5f2f5a7c68
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000c5aaf0 0xc000c5abe0 0xc000c5ac80] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc004f700f0 0xc004f70280 0xc004f70370] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc004f70500 0xc004f70640 0xc004f706e0] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00149e280 0xc00149e3c0 0xc00149e460] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00149e820 0xc00149e910 0xc00149e9b0] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc004f70af0 0xc004f70be0 0xc004f70c80] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc003236190 0xc0032362d0 0xc003236370] 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: crashed: INFO: rcu detected stall in do_idle
run #8: crashed: BUG: soft lockup in net_tx_action
run #9: crashed: INFO: rcu detected stall in wb_workfn
run #10: crashed: INFO: rcu detected stall in do_idle
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in sys_syslog
run #13: crashed: INFO: rcu detected stall in gc_worker
run #14: crashed: INFO: rcu detected stall in gc_worker
run #15: crashed: INFO: rcu detected stall in do_idle
run #16: crashed: INFO: rcu detected stall in corrupted
run #17: crashed: INFO: rcu detected stall in sys_getdents64
run #18: crashed: BUG: soft lockup in smp_call_function
run #19: crashed: BUG: soft lockup in clone
representative crash: INFO: rcu detected stall in do_idle, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d99b4c3f942893e1f7a5ee5f9c81ee3460d12167eac1b8e32875ea9382ddffc4
run #0: crashed: INFO: rcu detected stall in gc_worker
run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #2: crashed: INFO: rcu detected stall in sched_yield
run #3: crashed: INFO: rcu detected stall in wb_workfn
run #4: crashed: BUG: soft lockup in net_tx_action
run #5: crashed: INFO: rcu detected stall in sys_execve
run #6: crashed: INFO: rcu detected stall in sys_execve
run #7: crashed: INFO: rcu detected stall in gc_worker
run #8: crashed: INFO: rcu detected stall in smp_call_function
run #9: crashed: BUG: soft lockup in clone
run #10: crashed: BUG: soft lockup in smp_call_function
run #11: crashed: INFO: task hung in corrupted
run #12: crashed: INFO: rcu detected stall in bpf_prog_free_deferred
run #13: crashed: INFO: rcu detected stall in do_idle
run #14: crashed: INFO: rcu detected stall in do_idle
run #15: crashed: BUG: soft lockup in smp_call_function
run #16: crashed: BUG: soft lockup in smp_call_function
run #17: crashed: INFO: task hung in corrupted
run #18: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor901790189" "root@10.128.1.67:./syz-executor901790189"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.67, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.67 [10.128.1.67] port 22.
debug1: connect to address 10.128.1.67 port 22: Connection timed out
ssh: connect to host 10.128.1.67 port 22: Connection timed out
scp: Connection closed

run #19: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor889608670" "root@10.128.1.112:./syz-executor889608670"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.112, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.112 [10.128.1.112] port 22.
debug1: connect to address 10.128.1.112 port 22: Connection timed out
ssh: connect to host 10.128.1.112 port 22: Connection timed out
scp: Connection closed

representative crash: INFO: rcu detected stall in gc_worker, types: [HANG]
the chunk can be dropped
minimized to 398 configs; suspects: [ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_INTEL KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETFS_SUPPORT NETLABEL NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_CGROUP NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EGRESS NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V2_ACL NFSD_V3 NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_COUNTER NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OBJREF NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_FLOW_TABLE_IPV4 NF_FLOW_TABLE_IPV6 NF_NAT_AMANDA NF_NAT_H323 NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 PARTITION_ADVANCED PSAMPLE RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32]
testing current HEAD 1edcec18cfb7195c33072594aa02a442801dcf57
testing commit 1edcec18cfb7195c33072594aa02a442801dcf57 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0b39c4a9f15eacd3bf61d7a2b3cb94c9ffa31be5bf82692998a7a4e5fc962c83
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc005c1ae10 0xc005c1af00 0xc005c1afa0] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0004520f0 0xc000452230 0xc0004522d0] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0004525f0 0xc0004526e0 0xc000452780] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000452dc0 0xc000452fa0 0xc000453040] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0032360a0 0xc003236190 0xc003236280] 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: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc006a6a780 0xc006a6a870 0xc006a6a910] 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: crashed: INFO: rcu detected stall in sys_openat
run #7: crashed: INFO: rcu detected stall in do_idle
run #8: crashed: INFO: rcu detected stall in do_idle
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: BUG: soft lockup in sys_getsockopt
run #11: crashed: INFO: rcu detected stall in ieee80211_iface_work
run #12: crashed: WARNING in __cfg80211_ibss_joined
run #13: crashed: BUG: soft lockup in do_idle
run #14: crashed: INFO: rcu detected stall in smp_call_function
run #15: crashed: INFO: rcu detected stall in gc_worker
run #16: crashed: INFO: rcu detected stall in gc_worker
run #17: crashed: INFO: rcu detected stall in corrupted
run #18: crashed: INFO: rcu detected stall in __do_munmap
run #19: crashed: INFO: rcu detected stall in clone
representative crash: INFO: rcu detected stall in sys_openat, types: [HANG]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (1.00 repro chance estimate)
revisions tested: 8, total time: 2h13m38.643209538s (build: 40m23.880159212s, test: 1h31m30.483774125s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15.134
crash: INFO: rcu detected stall in sys_openat
rcu: INFO: rcu_sched self-detected stall on CPU
rcu: 	1-...!: (3 ticks this GP) idle=f5d/1/0x4000000000000000 softirq=9584/9584 fqs=0 
	(t=11744 jiffies g=11229 q=2826)
rcu: rcu_sched kthread timer wakeup didn't happen for 11743 jiffies! g11229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=3589
rcu: rcu_sched kthread starved for 11744 jiffies! g11229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_sched       state:I stack:28944 pid:   12 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x92b/0x23d0 kernel/sched/core.c:6372
 schedule+0x106/0x230 kernel/sched/core.c:6455
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1884
 rcu_gp_fqs_loop+0x164/0x560 kernel/rcu/tree.c:1959
 rcu_gp_kthread+0x138/0x1d0 kernel/rcu/tree.c:2132
 kthread+0x3c2/0x4a0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 4711 Comm: syz-executor.4 Not tainted 5.15.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x49/0x148 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x20b/0x260 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x1ef kernel/rcu/tree_stall.h:481
 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3911 [inline]
 rcu_sched_clock_irq.cold+0x15a/0x3d4 kernel/rcu/tree.c:2606
 update_process_times+0x139/0x1b0 kernel/time/timer.c:1788
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:254
 tick_sched_timer+0xe2/0x110 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xb90 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xf5/0x340 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:unwind_next_frame+0xc3e/0x1cc0 arch/x86/kernel/unwind_orc.c:539
Code: 1e 63 00 48 8b 4c 24 20 e9 f6 f6 ff ff 4c 89 ff e8 47 1e 63 00 e9 ba f7 ff ff 48 8b 44 24 60 4c 89 e2 4c 89 ef 4c 89 44 24 30 <48> 89 4c 24 28 48 8d 70 f8 48 89 44 24 20 e8 5f f2 ff ff 48 8b 4c
RSP: 0018:ffffc9000169f8a8 EFLAGS: 00000246
RAX: ffffc9000169fa68 RBX: 0000000000000001 RCX: ffffffff872a8048
RDX: ffffc9000169fa18 RSI: 0000000000000001 RDI: ffffc9000169f9d0
RBP: ffffc9000169fa05 R08: ffffffff872a804d R09: ffffc9000169fa68
R10: 0000000000040053 R11: 1ffff920002d3f1d R12: ffffc9000169fa18
R13: ffffc9000169f9d0 R14: 1ffff920002d3f1d R15: ffffffff872a804c
 __unwind_start arch/x86/kernel/unwind_orc.c:704 [inline]
 __unwind_start+0x4f3/0x7d0 arch/x86/kernel/unwind_orc.c:629
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xe0/0x110 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook mm/slub.c:1731 [inline]
 slab_free mm/slub.c:3499 [inline]
 kmem_cache_free+0x8c/0x380 mm/slub.c:3515
 putname fs/namei.c:270 [inline]
 putname+0xfe/0x140 fs/namei.c:256
 do_sys_openat2+0x153/0x4d0 fs/open.c:1220
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1238
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2ef57d16a1
Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 6a 08 10 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25
RSP: 002b:00007ffdc85f46a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f2ef57d16a1
RDX: 0000000000080001 RSI: 00007f2ef581e502 RDI: 00000000ffffff9c
RBP: 00007f2ef581e502 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
R13: 00007ffdc85f4740 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2106 Comm: syz-executor.4 Not tainted 5.15.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:197 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4710 [inline]
RIP: 0010:__lock_acquire+0x6fa/0x55c0 kernel/locking/lockdep.c:4961
Code: 20 66 81 e2 ff 1f 0f b7 da be 08 00 00 00 48 89 d8 48 c1 f8 06 48 8d 3c c5 e0 e0 f2 88 e8 8e 45 4b 00 48 0f a3 1d 16 24 a9 07 <0f> 82 3f ff ff ff 48 c7 c0 20 e1 7f 89 48 c1 e8 03 42 0f b6 14 38
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 000000000000005f RCX: ffffffff8149bcc2
RDX: fffffbfff11e5c1e RSI: 0000000000000008 RDI: ffffffff88f2e0e8
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff88f2e0ef
R10: fffffbfff11e5c1d R11: 0000000000000001 R12: 0000000000000001
R13: ffff88811d850000 R14: ffff88811d850a90 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563e27697bf8 CR3: 0000000113207000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5622 [inline]
 lock_acquire+0x19d/0x4b0 kernel/locking/lockdep.c:5587
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x36/0x50 kernel/locking/spinlock.c:162
 debug_object_activate+0x130/0x3e0 lib/debugobjects.c:693
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x27/0x300 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xa08/0xb90 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xf5/0x340 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode+0xf/0x40 kernel/kcov.c:163
Code: 7c 24 08 e8 a3 24 31 00 e9 61 fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc 65 8b 05 99 95 9e 7e 89 c2 81 e2 00 01 00 00 <a9> 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 4c 15 00 00 85 d2 74
RSP: 0018:ffffc9000174f7d0 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff88811d850000 RDI: 0000000000000003
RBP: 8000000000000867 R08: 0000000000000000 R09: ffff88811d850007
R10: ffffffff8185ea2b R11: 0000000000000000 R12: 00007ffdc85f5000
R13: 80000001233bc867 R14: dffffc0000000000 R15: ffff88810bd2cfa0
 write_comp_data kernel/kcov.c:218 [inline]
 __sanitizer_cov_trace_const_cmp4+0x1c/0x70 kernel/kcov.c:284
 zap_pte_range mm/memory.c:1343 [inline]
 zap_pmd_range mm/memory.c:1494 [inline]
 zap_pud_range mm/memory.c:1523 [inline]
 zap_p4d_range mm/memory.c:1544 [inline]
 unmap_page_range+0x71b/0x1d00 mm/memory.c:1565
 unmap_single_vma+0x198/0x310 mm/memory.c:1610
 unmap_vmas+0x168/0x2e0 mm/memory.c:1642
 exit_mmap+0x1d0/0x630 mm/mmap.c:3186
 __mmput kernel/fork.c:1126 [inline]
 mmput+0x11c/0x480 kernel/fork.c:1147
 exit_mm kernel/exit.c:548 [inline]
 do_exit+0xa96/0x27c0 kernel/exit.c:859
 do_group_exit+0x125/0x310 kernel/exit.c:994
 get_signal+0x330/0x28c0 kernel/signal.c:2889
 arch_do_signal_or_restart+0x2a9/0x1bf0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x1c5/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2ef57fdef3
Code: Unable to access opcode bytes at RIP 0x7f2ef57fdec9.
RSP: 002b:00007ffdc85f4bd8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 0000000000000002 RCX: 00007f2ef57fdef3
RDX: 00007ffdc85f4bf0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffdc85f4c7c R08: 00000000000000db R09: 00007ffdc85f6080
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000064
R13: 000000000001ee3c R14: 000000000001ee3c R15: 0000000000000000
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 4711 Comm: syz-executor.4 Not tainted 5.15.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x49/0x148 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x20b/0x260 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x222/0x2a7 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3911 [inline]
 rcu_sched_clock_irq.cold+0x15f/0x3d4 kernel/rcu/tree.c:2606
 update_process_times+0x139/0x1b0 kernel/time/timer.c:1788
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:254
 tick_sched_timer+0xe2/0x110 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xb90 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xf5/0x340 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:unwind_next_frame+0xc3e/0x1cc0 arch/x86/kernel/unwind_orc.c:539
Code: 1e 63 00 48 8b 4c 24 20 e9 f6 f6 ff ff 4c 89 ff e8 47 1e 63 00 e9 ba f7 ff ff 48 8b 44 24 60 4c 89 e2 4c 89 ef 4c 89 44 24 30 <48> 89 4c 24 28 48 8d 70 f8 48 89 44 24 20 e8 5f f2 ff ff 48 8b 4c
RSP: 0018:ffffc9000169f8a8 EFLAGS: 00000246
RAX: ffffc9000169fa68 RBX: 0000000000000001 RCX: ffffffff872a8048
RDX: ffffc9000169fa18 RSI: 0000000000000001 RDI: ffffc9000169f9d0
RBP: ffffc9000169fa05 R08: ffffffff872a804d R09: ffffc9000169fa68
R10: 0000000000040053 R11: 1ffff920002d3f1d R12: ffffc9000169fa18
R13: ffffc9000169f9d0 R14: 1ffff920002d3f1d R15: ffffffff872a804c
 __unwind_start arch/x86/kernel/unwind_orc.c:704 [inline]
 __unwind_start+0x4f3/0x7d0 arch/x86/kernel/unwind_orc.c:629
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xe0/0x110 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook mm/slub.c:1731 [inline]
 slab_free mm/slub.c:3499 [inline]
 kmem_cache_free+0x8c/0x380 mm/slub.c:3515
 putname fs/namei.c:270 [inline]
 putname+0xfe/0x140 fs/namei.c:256
 do_sys_openat2+0x153/0x4d0 fs/open.c:1220
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1238
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2ef57d16a1
Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 6a 08 10 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25
RSP: 002b:00007ffdc85f46a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f2ef57d16a1
RDX: 0000000000080001 RSI: 00007f2ef581e502 RDI: 00000000ffffff9c
RBP: 00007f2ef581e502 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
R13: 00007ffdc85f4740 R14: 0000000000000001 R15: 0000000000000000
 </TASK>