Extracting prog: 7m15.02955119s
Minimizing prog: 49m42.114227451s
Simplifying prog options: 8m52.502403457s
Extracting C: 5m0.918907988s
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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program crashed: INFO: task hung in corrupted
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
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$nl_netfilter-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-syz_emit_ethernet
detailed listing:
executing program 0:
socket$nl_netfilter(0x10, 0x3, 0xc)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, 0x0, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x0, 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: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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
simplifying guilty program options
testing program (duration=6m0s, {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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program did not crash
testing program (duration=6m0s, {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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
reproducing took 1h10m50.565105828s
repro crashed as (corrupted=true):
INFO: task kworker/1:0:25 blocked for more than 146 seconds.
      Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:23536 pid:25    tgid:25    ppid:2      flags:0x00004000
Workqueue: events_power_efficient crda_timeout_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5371 [inline]
 __schedule+0x189f/0x4c80 kernel/sched/core.c:6758

report is corrupted, running repro again
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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program did not crash
report is corrupted, running repro again
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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program crashed: INFO: task hung in corrupted
report is corrupted, running repro again
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$nl_netfilter-sendmsg$NFT_BATCH-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0)
syz_emit_ethernet(0x3a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@sack_perm={0x4, 0x2}]}}}}}}}, 0x0)

program crashed: INFO: task hung in linkwatch_event
final repro crashed as (corrupted=false):
INFO: task kworker/u8:9:3566 blocked for more than 141 seconds.
      Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:9    state:D stack:22936 pid:3566  tgid:3566  ppid:2      flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5371 [inline]
 __schedule+0x189f/0x4c80 kernel/sched/core.c:6758
 __schedule_loop kernel/sched/core.c:6835 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6850
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6907
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 linkwatch_event+0xe/0x60 net/core/link_watch.c:281
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Showing all locks held in the system: