ci starts bisection 2023-12-15 14:27:24.754144764 +0000 UTC m=+152374.103831315
bisecting fixing commit since b208b9fbbcba743fb269d15cb46a4036b01936b1
building syzkaller on 6d752409f178135881da3510c910bb11ae1f1381
ensuring issue is reproducible on original commit b208b9fbbcba743fb269d15cb46a4036b01936b1
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d89fd8e7529a4999418a908cfe971014c15052bc6ae319f02bec6333f6f0765e
run #0: crashed: KASAN: use-after-free Read in try_to_wake_up
run #1: crashed: KASAN: use-after-free Read in try_to_wake_up
run #2: crashed: KASAN: use-after-free Read in try_to_wake_up
run #3: crashed: KASAN: use-after-free Read in try_to_wake_up
run #4: crashed: KASAN: use-after-free Read in try_to_wake_up
run #5: crashed: KASAN: use-after-free Read in try_to_wake_up
run #6: crashed: KASAN: use-after-free Read in try_to_wake_up
run #7: crashed: KASAN: use-after-free Read in try_to_wake_up
run #8: crashed: KASAN: use-after-free Read in try_to_wake_up
run #9: crashed: KASAN: use-after-free Read in try_to_wake_up
run #10: crashed: KASAN: use-after-free Read in try_to_wake_up
run #11: crashed: KASAN: use-after-free Read in try_to_wake_up
run #12: crashed: KASAN: use-after-free Read in try_to_wake_up
run #13: crashed: KASAN: use-after-free Read in try_to_wake_up
run #14: crashed: INFO: task hung in nilfs_detach_log_writer
run #15: crashed: KASAN: use-after-free Read in try_to_wake_up
run #16: crashed: KASAN: use-after-free Read in try_to_wake_up
run #17: crashed: INFO: task hung in nilfs_detach_log_writer
run #18: crashed: INFO: task hung in nilfs_detach_log_writer
run #19: crashed: INFO: task hung in nilfs_detach_log_writer
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e448786f82e866920b7364cd6612d5362bbbe4cec4eac8fb69df109bd5fdf11c
run #0: crashed: KASAN: use-after-free Read in try_to_wake_up
run #1: crashed: KASAN: use-after-free Read in try_to_wake_up
run #2: crashed: KASAN: use-after-free Read in try_to_wake_up
run #3: crashed: KASAN: use-after-free Read in try_to_wake_up
run #4: crashed: KASAN: use-after-free Read in try_to_wake_up
run #5: crashed: KASAN: use-after-free Read in try_to_wake_up
run #6: crashed: KASAN: use-after-free Read in try_to_wake_up
run #7: crashed: KASAN: use-after-free Read in try_to_wake_up
run #8: crashed: KASAN: use-after-free Read in try_to_wake_up
run #9: OK
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=3923 full=7378 leaves diff=1993
split chunks (needed=false): <1993>
split chunk #0 of len 1993 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 36e41226eb971d4f628fbb8e5095f8cfc1dcc5a831f0b6394b489b4f5d35566a
run #0: crashed: KASAN: use-after-free Read in try_to_wake_up
run #1: crashed: KASAN: use-after-free Read in try_to_wake_up
run #2: crashed: KASAN: use-after-free Read in try_to_wake_up
run #3: crashed: KASAN: use-after-free Read in try_to_wake_up
run #4: crashed: KASAN: use-after-free Read in try_to_wake_up
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: OK
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c7efa4931b0ee0f9cafa2d37010d6ea800081af6e1329eceaf10546ce5903039
run #0: crashed: KASAN: use-after-free Read in try_to_wake_up
run #1: crashed: KASAN: use-after-free Read in try_to_wake_up
run #2: crashed: no output from test machine
run #3: crashed: no output from test machine
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 96b04d11a634d6d8da1f4c0dd674618bd678d277d1d0f6cd493b1112e955fe6d
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b8ed1afb8c8e63e28827faa4e683ea402b7c3e8b816602fc921938075a4cd11b
all runs: crashed: KASAN: use-after-free Read in try_to_wake_up
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit b208b9fbbcba743fb269d15cb46a4036b01936b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 16dbfa7864fd3466b16fd076c6b021e484e394664891d95acc1e935d25607872
all runs: crashed: KASAN: use-after-free Read in try_to_wake_up
representative crash: KASAN: use-after-free Read in try_to_wake_up, types: [KASAN]
the chunk can be dropped
minimized to 399 configs; suspects: [ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB FSCACHE HAMRADIO HSR IMA IMA_APPRAISE IMA_APPRAISE_MODSIG INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_SIGNATURE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR 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 LIBCRC32C 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 MICROCODE_AMD MICROCODE_INTEL 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_SIG_SHA1 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_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_XTABLES_COMPAT 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 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_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 NET_CLS_TCINDEX 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_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_VENDOR_ADI 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_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_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_PROCFS 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_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 PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI]
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing current HEAD 3f7168591ebf7bbdb91797d02b1afaf00a4289b1
testing commit 3f7168591ebf7bbdb91797d02b1afaf00a4289b1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 687bf3cd1583e040e849006224bf0d28dba79f075580716291f738bbcaaa443c
all runs: crashed: KASAN: slab-use-after-free Read in try_to_wake_up
representative crash: KASAN: slab-use-after-free Read in try_to_wake_up, types: [KASAN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (1.00 repro chance estimate)
revisions tested: 8, total time: 2h41m25.833426772s (build: 1h18m3.201253513s, test: 1h12m54.397447982s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag '6.7-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
crash: KASAN: slab-use-after-free Read in try_to_wake_up
==================================================================
BUG: KASAN: slab-use-after-free in __lock_acquire.constprop.0+0xe77/0xf50 kernel/locking/lockdep.c:5009
Read of size 8 at addr ffff888120a325b8 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8e/0xf0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc4/0x620 mm/kasan/report.c:475
kasan_report+0xda/0x110 mm/kasan/report.c:588
__lock_acquire.constprop.0+0xe77/0xf50 kernel/locking/lockdep.c:5009
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x12a/0x2b0 kernel/locking/lockdep.c:5719
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x32/0x50 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:518 [inline]
try_to_wake_up+0xa0/0x1380 kernel/sched/core.c:4226
call_timer_fn+0x177/0x470 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x5f2/0x990 kernel/time/timer.c:2022
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:2035
__do_softirq+0x24a/0x66e kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0x85/0xe0 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113
Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 8e 03 00 48 8b 00 a8 08 75 0c eb 07 0f 00 2d 57 0a 6d 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff86007d90 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff84e2f690
RDX: ffff8881f6e00000 RSI: ffff888107e61000 RDI: ffff888107e61064
RBP: ffff88810ce57800 R08: 0000000000000001 R09: ffffed103edc6949
R10: ffff8881f6e34a4b R11: ffff8881f6e2b498 R12: ffffffff8659ef80
R13: ffff888107e61064 R14: 0000000000000001 R15: 0000000000000000
acpi_idle_enter+0xa3/0xf0 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x78/0x2a0 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:215 [inline]
do_idle+0x2e8/0x3d0 kernel/sched/idle.c:282
cpu_startup_entry+0x50/0x60 kernel/sched/idle.c:380
rest_init+0x148/0x170 init/main.c:730
arch_call_rest_init+0x13/0x30 init/main.c:827
start_kernel+0x329/0x340 init/main.c:1072
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:555
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:536
secondary_startup_64_no_verify+0x166/0x16b
Allocated by task 2:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:763 [inline]
slab_alloc_node mm/slub.c:3478 [inline]
kmem_cache_alloc_node+0x1c1/0x3c0 mm/slub.c:3523
alloc_task_struct_node kernel/fork.c:173 [inline]
dup_task_struct kernel/fork.c:1110 [inline]
copy_process+0x41c/0x6980 kernel/fork.c:2332
kernel_clone+0xfb/0xa30 kernel/fork.c:2907
kernel_thread+0xc0/0x100 kernel/fork.c:2969
create_kthread kernel/kthread.c:411 [inline]
kthreadd+0x47c/0x6e0 kernel/kthread.c:764
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Freed by task 0:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
slab_free mm/slub.c:3809 [inline]
kmem_cache_free+0xe9/0x450 mm/slub.c:3831
put_task_struct include/linux/sched/task.h:136 [inline]
put_task_struct include/linux/sched/task.h:123 [inline]
delayed_put_task_struct+0x1e7/0x250 kernel/exit.c:227
rcu_do_batch kernel/rcu/tree.c:2158 [inline]
rcu_core+0xb4d/0x13d0 kernel/rcu/tree.c:2431
__do_softirq+0x24a/0x66e kernel/softirq.c:553
Last potentially related work creation:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
__call_rcu_common.constprop.0+0x8e/0x6b0 kernel/rcu/tree.c:2681
put_task_struct_rcu_user kernel/exit.c:233 [inline]
put_task_struct_rcu_user+0x87/0xc0 kernel/exit.c:230
context_switch kernel/sched/core.c:5379 [inline]
__schedule+0xb98/0x2760 kernel/sched/core.c:6688
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6865
__cond_resched+0x17/0x20 kernel/sched/core.c:8544
smpboot_thread_fn+0x601/0x900 kernel/smpboot.c:164
kthread+0x2aa/0x380 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Second to last potentially related work creation:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
__call_rcu_common.constprop.0+0x8e/0x6b0 kernel/rcu/tree.c:2681
put_task_struct_rcu_user kernel/exit.c:233 [inline]
put_task_struct_rcu_user+0x87/0xc0 kernel/exit.c:230
release_task+0xd9d/0x1700 kernel/exit.c:283
wait_task_zombie kernel/exit.c:1187 [inline]
wait_consider_task+0x159e/0x3800 kernel/exit.c:1414
do_wait_thread kernel/exit.c:1477 [inline]
__do_wait+0x1d7/0x870 kernel/exit.c:1595
do_wait+0x1cb/0x430 kernel/exit.c:1629
kernel_wait4+0x16d/0x270 kernel/exit.c:1788
__do_sys_wait4+0x15b/0x170 kernel/exit.c:1816
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
The buggy address belongs to the object at ffff888120a31c40
which belongs to the cache task_struct of size 6976
The buggy address is located 2424 bytes inside of
freed 6976-byte region [ffff888120a31c40, ffff888120a33780)
The buggy address belongs to the physical page:
page:ffffea0004828c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120a30
head:ffffea0004828c00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88811305f1c1
flags: 0x200000000000840(slab|head|node=0|zone=2)
page_type: 0xffffffff()
raw: 0200000000000840 ffff888101a50500 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000040004 00000001ffffffff ffff88811305f1c1
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1691, tgid 1691 (udevd), ts 28834289580, free_ts 25769351658
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x27f/0x2f0 mm/page_alloc.c:1537
prep_new_page mm/page_alloc.c:1544 [inline]
get_page_from_freelist+0xea8/0x36f0 mm/page_alloc.c:3312
__alloc_pages+0x342/0x5e0 mm/page_alloc.c:4568
alloc_pages_mpol+0xeb/0x3f0 mm/mempolicy.c:2133
alloc_slab_page mm/slub.c:1870 [inline]
allocate_slab+0x24b/0x360 mm/slub.c:2017
new_slab mm/slub.c:2070 [inline]
___slab_alloc+0x8ce/0x10e0 mm/slub.c:3223
__slab_alloc.constprop.0+0x4d/0x90 mm/slub.c:3322
__slab_alloc_node mm/slub.c:3375 [inline]
slab_alloc_node mm/slub.c:3468 [inline]
kmem_cache_alloc_node+0x151/0x3c0 mm/slub.c:3523
alloc_task_struct_node kernel/fork.c:173 [inline]
dup_task_struct kernel/fork.c:1110 [inline]
copy_process+0x41c/0x6980 kernel/fork.c:2332
kernel_clone+0xfb/0xa30 kernel/fork.c:2907
__do_sys_clone+0xba/0x100 kernel/fork.c:3050
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1137 [inline]
free_unref_page_prepare+0x562/0xbd0 mm/page_alloc.c:2347
free_unref_page+0x33/0x350 mm/page_alloc.c:2487
__folio_put+0x97/0xb0 mm/swap.c:127
folio_put include/linux/mm.h:1483 [inline]
put_page include/linux/mm.h:1552 [inline]
page_to_skb+0x7c2/0xbc0 drivers/net/virtio_net.c:592
receive_mergeable drivers/net/virtio_net.c:1651 [inline]
receive_buf+0x111e/0x5f60 drivers/net/virtio_net.c:1772
virtnet_receive drivers/net/virtio_net.c:2077 [inline]
virtnet_poll+0x974/0x1400 drivers/net/virtio_net.c:2151
__napi_poll+0xb4/0x690 net/core/dev.c:6533
napi_poll net/core/dev.c:6602 [inline]
net_rx_action+0x938/0xe60 net/core/dev.c:6735
__do_softirq+0x24a/0x66e kernel/softirq.c:553
Memory state around the buggy address:
ffff888120a32480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888120a32500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888120a32580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888120a32600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888120a32680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: ed in (%dx),%eax
1: c3 ret
2: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
9: 00 00 00 00
d: 66 90 xchg %ax,%ax
f: 65 48 8b 04 25 c0 8e mov %gs:0x38ec0,%rax
16: 03 00
18: 48 8b 00 mov (%rax),%rax
1b: a8 08 test $0x8,%al
1d: 75 0c jne 0x2b
1f: eb 07 jmp 0x28
21: 0f 00 2d 57 0a 6d 00 verw 0x6d0a57(%rip) # 0x6d0a7f
28: fb sti
29: f4 hlt
* 2a: fa cli <-- trapping instruction
2b: c3 ret
2c: 0f 1f 00 nopl (%rax)
2f: 0f b6 47 08 movzbl 0x8(%rdi),%eax
33: 3c 01 cmp $0x1,%al
35: 74 0b je 0x42
37: 3c 02 cmp $0x2,%al
39: 74 05 je 0x40
3b: 8b 7f 04 mov 0x4(%rdi),%edi
3e: eb 9f jmp 0xffffffdf