Extracting prog: 5m53.570514302s
Minimizing prog: 54m57.274581278s
Simplifying prog options: 14m24.087122247s
Extracting C: 3m23.349809544s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: INFO: task hung in linkwatch_event
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
socket$inet(0x2, 0x4000000000000001, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-socket$inet-sendto$inet
detailed listing:
executing program 0:
socket$nl_netfilter(0x10, 0x3, 0xc)
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r0, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r0, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, 0x0, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
program crashed: INFO: task hung in addrconf_dad_work
a never seen crash title: INFO: task hung in addrconf_dad_work, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: INFO: task hung in netdev_work_proc
a never seen crash title: INFO: task hung in netdev_work_proc, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: INFO: task hung in rtnl_newlink
a never seen crash title: INFO: task hung in rtnl_newlink, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: no output from test machine
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: no output from test machine
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-socket$inet-sendto$inet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x130}}, 0x0)
r1 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r1, 0x0, 0x0, 0x200047fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback}, 0x10)

program crashed: INFO: task hung in addrconf_dad_work
validation run: crashed=true
reproducing took 1h33m46.402927825s
repro crashed as (corrupted=false):
INFO: task kworker/u8:4:62 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:4    state:D stack:24136 pid:62    tgid:62    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4255
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:10:1168 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:10   state:D stack:24096 pid:1168  tgid:1168  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 linkwatch_event+0xe/0x60 net/core/link_watch.c:313
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/1:4:5808 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:25160 pid:5808  tgid:5808  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events netdev_work_proc
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 netdev_lock_ops_compat include/net/netdev_lock.h:94 [inline]
 netdev_work_proc+0x209/0x780 net/core/netdev_work.c:146
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158

final repro crashed as (corrupted=false):
INFO: task kworker/u8:4:62 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:4    state:D stack:24136 pid:62    tgid:62    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4255
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:10:1168 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:10   state:D stack:24096 pid:1168  tgid:1168  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 linkwatch_event+0xe/0x60 net/core/link_watch.c:313
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/1:4:5808 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:25160 pid:5808  tgid:5808  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events netdev_work_proc
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7531
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 netdev_lock_ops_compat include/net/netdev_lock.h:94 [inline]
 netdev_work_proc+0x209/0x780 net/core/netdev_work.c:146
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158