Extracting prog: 4m17.523073626s
Minimizing prog: 1h29m59.870875852s
Simplifying prog options: 0s
Extracting C: 3m41.64675054s
Simplifying C: 18m0.919612588s


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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-bpf$MAP_UPDATE_CONST_STR-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-sendmsg$sock-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = socket$kcm(0xa, 0x2, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, 0x0)
write(r1, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$sock(r0, 0x0, 0x800)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-socket$inet_sctp-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
socket$kcm(0xa, 0x2, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
socket$inet_sctp(0x2, 0x5, 0x84)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
socket$kcm(0xa, 0x2, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-ioctl$TUNSETIFF-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
socket$kcm(0xa, 0x2, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-openat$tun-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
socket$kcm(0xa, 0x2, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-socket$kcm-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
socket$kcm(0xa, 0x2, 0x0)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
write(0xffffffffffffffff, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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$inet6_tcp-setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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$inet6_tcp-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet6_tcp(0xa, 0x1, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, &(0x7f00000000c0)="ffffffffffff0088143344554305fd0f", 0x10)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, 0x0, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
simplifying C reproducer
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing compiled C program (duration=3m29.993731628s, {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}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program did not crash
testing compiled C program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
program crashed: WARNING in blk_mq_free_tag_set
testing program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
validation run: crashed=true
testing program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
validation run: crashed=true
testing program (duration=3m29.993731628s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$IP_VS_SO_SET_ADD-openat$tun-ioctl$TUNSETIFF-write-bpf$MAP_UPDATE_CONST_STR-sendmsg$sock-setsockopt$IP_VS_SO_SET_FLUSH-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
write(r0, 0x0, 0x0)
bpf$MAP_UPDATE_CONST_STR(0x2, 0x0, 0x0)
sendmsg$sock(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0)
setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000100400000000c000200700f0000000000000c00060003000000000000000a000a00272d5d29212b0000140007"], 0x6c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)

program crashed: WARNING in blk_mq_free_tag_set
validation run: crashed=true
reproducing took 2h12m34.257322485s
repro crashed as (corrupted=false):
------------[ cut here ]------------
timer_delete_sync(&sdp->delay_work) && rcu_segcblist_n_cbs(&sdp->srcu_cblist)
WARNING: kernel/rcu/srcutree.c:707 at cleanup_srcu_struct+0x3d6/0x8b0 kernel/rcu/srcutree.c:706, CPU#0: kworker/u8:0/12
Modules linked in:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: nbd-del nbd_dev_remove_work
RIP: 0010:cleanup_srcu_struct+0x3d6/0x8b0 kernel/rcu/srcutree.c:706
Code: fd 8b 00 48 83 7d 00 00 4c 8b 74 24 10 0f 85 dd 03 00 00 41 ff c5 41 83 e5 0f 41 83 fd 07 0f 86 e2 fe ff ff e9 ab 00 00 00 90 <0f> 0b 90 4c 8d b5 00 02 00 00 4c 89 f3 48 c1 eb 03 48 b8 00 00 00
RSP: 0018:ffffc900001179d0 EFLAGS: 00010202
RAX: 1ffffd1ffff86a15 RBX: 0000607edaf62fc0 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff8e4767f3 RDI: 00000000ffffffff
RBP: ffffe8ffffc34fc0 R08: ffffffff907a337f R09: 1ffffffff20f466f
R10: dffffc0000000000 R11: fffffbfff20f4670 R12: ffff888078f50000
R13: 0000000000000000 R14: ffffe8ffffc350a8 R15: 1ffffffff1ce91de
FS:  0000000000000000(0000) GS:ffff888124cd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf4fd1acc CR3: 000000000eb48000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_mq_free_tag_set+0x617/0x790 block/blk-mq.c:4976
 nbd_dev_remove drivers/block/nbd.c:270 [inline]
 nbd_dev_remove_work+0x4f/0xe0 drivers/block/nbd.c:285
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
timer_delete_sync(&sdp->delay_work) && rcu_segcblist_n_cbs(&sdp->srcu_cblist)
WARNING: kernel/rcu/srcutree.c:707 at cleanup_srcu_struct+0x3d6/0x8b0 kernel/rcu/srcutree.c:706, CPU#0: kworker/u8:0/12
Modules linked in:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: nbd-del nbd_dev_remove_work
RIP: 0010:cleanup_srcu_struct+0x3d6/0x8b0 kernel/rcu/srcutree.c:706
Code: fd 8b 00 48 83 7d 00 00 4c 8b 74 24 10 0f 85 dd 03 00 00 41 ff c5 41 83 e5 0f 41 83 fd 07 0f 86 e2 fe ff ff e9 ab 00 00 00 90 <0f> 0b 90 4c 8d b5 00 02 00 00 4c 89 f3 48 c1 eb 03 48 b8 00 00 00
RSP: 0018:ffffc900001179d0 EFLAGS: 00010202
RAX: 1ffffd1ffff86a15 RBX: 0000607edaf62fc0 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff8e4767f3 RDI: 00000000ffffffff
RBP: ffffe8ffffc34fc0 R08: ffffffff907a337f R09: 1ffffffff20f466f
R10: dffffc0000000000 R11: fffffbfff20f4670 R12: ffff888078f50000
R13: 0000000000000000 R14: ffffe8ffffc350a8 R15: 1ffffffff1ce91de
FS:  0000000000000000(0000) GS:ffff888124cd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf4fd1acc CR3: 000000000eb48000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_mq_free_tag_set+0x617/0x790 block/blk-mq.c:4976
 nbd_dev_remove drivers/block/nbd.c:270 [inline]
 nbd_dev_remove_work+0x4f/0xe0 drivers/block/nbd.c:285
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>