Extracting prog: 6m5.297091812s
Minimizing prog: 49m22.476174501s
Simplifying prog options: 0s
Extracting C: 2m37.642109216s
Simplifying C: 21m56.003775942s


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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-syz_usb_connect$hid-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-syz_usb_connect$hid-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-syz_usb_connect$hid-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: WARNING in tcp_tsq_handler
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=5m19.769288122s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-syz_usb_connect$hid-openat$nvme_fabrics
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0)
openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)

program did not crash
testing program (duration=5m19.769288122s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-syz_usb_connect$hid-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0)
write(0xffffffffffffffff, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program did not crash
testing program (duration=5m19.769288122s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x0, 0x401, 0x8001}, 0x0, 0x5, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program did not crash
testing program (duration=5m19.769288122s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, r2, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r3, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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-socketpair$unix-sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240))
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, 0x0, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r1, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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-sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, 0x0, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r1, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@newqdisc={0x54, 0x24, 0xd0f, 0x70bd2b, 0x25dfdbff, {0x60, 0x0, 0x0, 0x0, {}, {0xfff1, 0xa}, {0x1, 0x3}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}, @qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8, 0x2, 0x9}}]}, 0x54}, 0x1, 0x0, 0x0, 0x55}, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, 0x0, 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program did not crash
testing program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=5m19.769288122s, {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}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=5m19.769288122s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=5m19.769288122s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-openat$nvme_fabrics-write
detailed listing:
executing program 0:
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x10)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000140), 0x80202, 0x0)
write(r0, &(0x7f0000000180)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=n', 0x31)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 1h29m44.257484647s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 19707 Comm: syz.0.7186 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1376
 __lock_acquire+0x140/0x2b08 kernel/locking/lockdep.c:5162
 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:182 [inline]
 _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:205
 spin_lock_bh include/linux/spinlock.h:353 [inline]
 lock_sock_nested+0x70/0x110 net/core/sock.c:3856
 lock_sock include/net/sock.h:1713 [inline]
 tcp_sock_set_nodelay+0x24/0x48 net/ipv4/tcp.c:3679
 nvme_tcp_alloc_queue+0x678/0x1984 drivers/nvme/host/tcp.c:1888
 nvme_tcp_alloc_admin_queue drivers/nvme/host/tcp.c:2171 [inline]
 nvme_tcp_configure_admin_queue+0x38/0x350 drivers/nvme/host/tcp.c:2325
 nvme_tcp_setup_ctrl+0xac/0xddc drivers/nvme/host/tcp.c:2455
 nvme_tcp_create_ctrl+0x800/0xb04 drivers/nvme/host/tcp.c:3083
 nvmf_create_ctrl drivers/nvme/host/fabrics.c:1361 [inline]
 nvmf_dev_write+0x1998/0x20a0 drivers/nvme/host/fabrics.c:1408
 vfs_write+0x2a4/0xa0c fs/read_write.c:685
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606
nvme nvme1: failed to connect socket: -111

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 19707 Comm: syz.0.7186 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 register_lock_class+0x2f0/0x31c kernel/locking/lockdep.c:1376
 __lock_acquire+0x140/0x2b08 kernel/locking/lockdep.c:5162
 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:182 [inline]
 _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:205
 spin_lock_bh include/linux/spinlock.h:353 [inline]
 lock_sock_nested+0x70/0x110 net/core/sock.c:3856
 lock_sock include/net/sock.h:1713 [inline]
 tcp_sock_set_nodelay+0x24/0x48 net/ipv4/tcp.c:3679
 nvme_tcp_alloc_queue+0x678/0x1984 drivers/nvme/host/tcp.c:1888
 nvme_tcp_alloc_admin_queue drivers/nvme/host/tcp.c:2171 [inline]
 nvme_tcp_configure_admin_queue+0x38/0x350 drivers/nvme/host/tcp.c:2325
 nvme_tcp_setup_ctrl+0xac/0xddc drivers/nvme/host/tcp.c:2455
 nvme_tcp_create_ctrl+0x800/0xb04 drivers/nvme/host/tcp.c:3083
 nvmf_create_ctrl drivers/nvme/host/fabrics.c:1361 [inline]
 nvmf_dev_write+0x1998/0x20a0 drivers/nvme/host/fabrics.c:1408
 vfs_write+0x2a4/0xa0c fs/read_write.c:685
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606
nvme nvme1: failed to connect socket: -111