Extracting prog: 8m51.072944545s
Minimizing prog: 1h37m11.986878947s
Simplifying prog options: 12m41.706280081s
Extracting C: 5m15.595238505s
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program crashed: INFO: task hung in rtnetlink_rcv_msg
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
socket(0x10, 0x803, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r1, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r1, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, 0x0, &(0x7f0000000200))
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, 0x0, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB], 0x34}}, 0x0)
program did not crash
testing program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB, @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=7m54.975847972s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=7m54.975847972s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=7m54.975847972s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_route-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket(0x10, 0x803, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
getsockname$packet(r0, &(0x7f0000000000)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r2, @ANYBLOB="ddfffffdde000000140012000c000100627269646765"], 0x34}}, 0x0)
program did not crash
reproducing took 2h4m0.361371099s
repro crashed as (corrupted=false):
INFO: task dhcpcd:3966 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:0 pid:3966 ppid:3965 flags:0x00000004
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x55c/0x848 net/socket.c:2519
___sys_sendmsg net/socket.c:2573 [inline]
__sys_sendmsg+0x26c/0x33c net/socket.c:2602
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg net/socket.c:2609 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task kworker/1:3:4327 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:0 pid:4327 ppid:2 flags:0x00000008
Workqueue: events switchdev_deferred_process_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task kworker/0:13:4387 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:13 state:D stack:0 pid:4387 ppid:2 flags:0x00000008
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
addrconf_dad_work+0xd0/0x1390 net/ipv6/addrconf.c:4134
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task kworker/u4:6:4448 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:6 state:D stack:0 pid:4448 ppid:2 flags:0x00000008
Workqueue: events_unbound linkwatch_event
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
linkwatch_event+0x14/0x68 net/core/link_watch.c:263
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task syz-executor:9277 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9277 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9278 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9278 ppid:1 flags:0x00000009
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9283 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9283 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9284 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9284 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9301 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9301 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
nl80211_pre_doit+0x70/0x764 net/wireless/nl80211.c:16230
genl_family_rcv_msg_doit net/netlink/genetlink.c:751 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0x8fc/0xc2c net/netlink/genetlink.c:850
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
genl_rcv+0x38/0x50 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task kworker/1:12:9448 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:12 state:D stack:0 pid:9448 ppid:2 flags:0x00000008
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
addrconf_dad_work+0xd0/0x1390 net/ipv6/addrconf.c:4134
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015c65530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffff800015c65d30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffff800015c65360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
1 lock held by dhcpcd/3966:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
2 locks held by getty/4059:
#0: ffff0000d6a89098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198
3 locks held by kworker/1:3/4327:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021287c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/0:13/4387:
#0: ffff0000d6412d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff8000215b7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/u4:6/4448:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021887c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
4 locks held by kworker/u4:7/4773:
#0: ffff0000c03dd138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800022997c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180b86d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0xa18 net/core/net_namespace.c:583
#3: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by syz-executor/9277:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9278:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9283:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9284:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
3 locks held by kworker/u4:8/9299:
#0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021497c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
2 locks held by syz-executor/9301:
#0: ffff80001811f250 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860
#1: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/1:12/9448:
#0: ffff0000d6412d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021b27c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by syz-executor/9599:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9604:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9606:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9608:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9619:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9626:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9630:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9632:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9633:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9646:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9652:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9654:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9659:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9661:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
=============================================
final repro crashed as (corrupted=false):
INFO: task dhcpcd:3966 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:0 pid:3966 ppid:3965 flags:0x00000004
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x55c/0x848 net/socket.c:2519
___sys_sendmsg net/socket.c:2573 [inline]
__sys_sendmsg+0x26c/0x33c net/socket.c:2602
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg net/socket.c:2609 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task kworker/1:3:4327 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:0 pid:4327 ppid:2 flags:0x00000008
Workqueue: events switchdev_deferred_process_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task kworker/0:13:4387 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:13 state:D stack:0 pid:4387 ppid:2 flags:0x00000008
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
addrconf_dad_work+0xd0/0x1390 net/ipv6/addrconf.c:4134
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task kworker/u4:6:4448 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:6 state:D stack:0 pid:4448 ppid:2 flags:0x00000008
Workqueue: events_unbound linkwatch_event
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
linkwatch_event+0x14/0x68 net/core/link_watch.c:263
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task syz-executor:9277 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9277 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9278 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9278 ppid:1 flags:0x00000009
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9283 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9283 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9284 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9284 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:9301 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:9301 ppid:1 flags:0x00000001
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
nl80211_pre_doit+0x70/0x764 net/wireless/nl80211.c:16230
genl_family_rcv_msg_doit net/netlink/genetlink.c:751 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0x8fc/0xc2c net/netlink/genetlink.c:850
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
genl_rcv+0x38/0x50 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x3b8/0x508 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task kworker/1:12:9448 blocked for more than 143 seconds.
Not tainted 6.1.123-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:12 state:D stack:0 pid:9448 ppid:2 flags:0x00000008
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6558
schedule+0xc4/0x170 kernel/sched/core.c:6634
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
addrconf_dad_work+0xd0/0x1390 net/ipv6/addrconf.c:4134
process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015c65530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffff800015c65d30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffff800015c65360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
1 lock held by dhcpcd/3966:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
2 locks held by getty/4059:
#0: ffff0000d6a89098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198
3 locks held by kworker/1:3/4327:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021287c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/0:13/4387:
#0: ffff0000d6412d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff8000215b7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/u4:6/4448:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021887c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
4 locks held by kworker/u4:7/4773:
#0: ffff0000c03dd138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800022997c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180b86d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0xa18 net/core/net_namespace.c:583
#3: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by syz-executor/9277:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9278:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9283:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9284:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
3 locks held by kworker/u4:8/9299:
#0: ffff0000c002a138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021497c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
2 locks held by syz-executor/9301:
#0: ffff80001811f250 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860
#1: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/1:12/9448:
#0: ffff0000d6412d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
#1: ffff800021b27c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
#2: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by syz-executor/9599:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9604:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9606:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9608:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9619:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9626:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9630:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9632:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9633:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9646:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9652:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9654:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9659:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
1 lock held by syz-executor/9661:
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffff8000180c4608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147
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