Extracting prog: 55m44.014351357s
Minimizing prog: 15m41.171926608s
Simplifying prog options: 0s
Extracting C: 53.579255424s
Simplifying C: 8m53.252831776s


extracting reproducer from 23 programs
first checking the prog from the crash report
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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 23 programs with base timeout 30s
testing program (duration=35s, {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}}): [8, 18, 17, 10, 17, 11, 4, 6, 16, 9, 12, 7, 10, 7, 15, 14, 25, 17, 2, 3, 10, 5, 9]
detailed listing:
executing program 1:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'syzkaller1\x00', 0x1001})
r1 = socket$inet_udp(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000200)={'syzkaller1\x00', {0x2, 0x0, @rand_addr=0x64010101}})
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000300)={'syzkaller1\x00', 0x1})
ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r1, 0x8913, &(0x7f0000000400)={'sit0\x00', &(0x7f0000000450)={'sit0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x0, 0x64, 0x0, 0x40, 0x89, 0x0, @rand_addr=0x64010101, @rand_addr=0x64010102}}}})
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000500)={'sit0\x00', 0x1})
write$tun(r0, &(0x7f0000000600)=ANY=[@ANYBLOB="450000280000000040897448020202020101010100"/40], 0x28)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./nfsd/threads\x00', 0x2, 0x0)
write(r3, &(0x7f0000000300)='1\n\x00', 0x2)
write(r3, &(0x7f0000000300)='1\n\x00', 0x2)
r4 = socket$inet(0x2, 0x1, 0x0)
connect$inet(r4, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x10)
nanosleep(&(0x7f0000000300)={0x0, 0x2faf080}, 0x0)
r5 = socket$inet(0x2, 0x1, 0x0)
connect$inet(r5, &(0x7f0000000380)={0x2, 0x4e20, @loopback}, 0x10)
nanosleep(&(0x7f0000000300)={0x0, 0x2faf080}, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='1', 0x1)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e23, @loopback}, 0x10)
listen(r2, 0x5)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r3, &(0x7f0000000280)={0x2, 0x4e24, @loopback}, 0x10)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2a}}], 0x10)
connect$inet(r3, &(0x7f0000000400)={0x2, 0x4e23, @loopback}, 0x10)
accept(r2, 0x0, 0x0)
r4 = socket(0x2, 0x3, 0x84)
setsockopt(r4, 0x0, 0x3, &(0x7f0000000600)="01000000", 0x4)
setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x2a}}}}, 0x84)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='-3 +4\n\x00', 0x6)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/portlist\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='udp 2049\n\x00', 0x9)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/threads\x00', 0x1, 0x0)
write(r3, &(0x7f00000002c0)='1\n\x00', 0x2) (async)
close(r3)
r4 = socket$inet(0x2, 0x2, 0x0)
connect$inet(r4, &(0x7f0000000300)={0x2, 0x8008, @loopback}, 0x10)
write(r4, &(0x7f0000000400)="000000000000000000000002000186a30000000400000001000000010000002000"/56, 0x38)
nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0)
read(r1, &(0x7f0000000600), 0x1000)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/auth_enable\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./proc/sys/net/sctp/addip_noauth\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='1\x00', 0x1)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000200)=[@in={0x2, 0x4e21, @local}], 0x10)
listen(r2, 0x5)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r3, &(0x7f0000000300)={0x2, 0x4e21, @local}, 0x10)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/self/make-it-fail\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='1\n\x00', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85)
close(r3)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
executing program 3:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @local}, 0x10)
listen(r0, 0x5)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080)={0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0xe)
connect$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080)={0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0xe)
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'veth0\x00', 0x2})
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'veth0\x00', 0x1})
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000300)={'veth1\x00', 0x1})
r2 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
ioctl$sock_x25_SIOCADDRT(r2, 0x890b, &(0x7f0000000400)={@null, 0x0, 'veth1\x00'})
bind$x25(r2, &(0x7f0000000500), 0x12)
connect$x25(r2, &(0x7f0000000600), 0x12)
sendto$x25(r2, &(0x7f0000000700)="1234567890", 0x5, 0x4, 0x0, 0x0)
executing program 4:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newsa={0x170, 0x10, 0x5, 0x1, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0x1234, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2, 0x0, 0x0, 0x80}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x80, "210466d38547aa140db9a200000000c538c7cb7a"}}, @replay_esn_val={0x20, 0x17, {0x1, 0x0, 0x0, 0x0, 0x0, 0x40, [0x0]}}]}, 0x170}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000300)=@newpolicy={0xfc, 0x13, 0x5, 0x2, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {}, {}, 0x0, 0x0, 0x1}, [@tmpl={0x44, 0x12, [{{@in=@loopback, 0x1234, 0x32}, 0x2, @in=@loopback, 0x1}]}]}, 0xfc}}, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r1, &(0x7f0000000400)={0x2, 0x1234, @loopback}, 0x10)
connect$inet(r1, &(0x7f0000000420)={0x2, 0x1234, @loopback}, 0x10)
sendto$inet(r1, &(0x7f0000000500)="12345678", 0x8, 0x0, 0x0, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./export\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='tmpfs\x00', &(0x7f0000000180)='./export\x00', &(0x7f00000001c0)='tmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000340)='tcp 2049\n\x00', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./nfsd/threads\x00', 0x1, 0x0)
write(r1, &(0x7f0000000740)='1\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0)
write(r3, &(0x7f0000000540)='localhost ./export 2147483647\n\x00', 0x1e)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff)
r4 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r4, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10)
write(r4, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c)
nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='1', 0x1)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e23, @loopback}, 0x10)
listen(r2, 0x5)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r3, &(0x7f0000000280)={0x2, 0x4e24, @loopback}, 0x10)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2a}}], 0x10)
connect$inet(r3, &(0x7f0000000400)={0x2, 0x4e23, @loopback}, 0x10)
accept(r2, 0x0, 0x0)
r4 = socket(0x2, 0x3, 0x84)
setsockopt(r4, 0x0, 0x3, &(0x7f0000000600)="01000000", 0x4)
setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x2a}}}}, 0x84)
executing program 3:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='8\n\x00', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000100)='1\n\x00', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: bisecting 23 programs
bisect: split chunks (needed=false): <22>
bisect: split chunk #0 of len 22 into 3 parts
bisect: testing without sub-chunk 1/3
testing program (duration=33s, {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}}): [16, 9, 12, 7, 10, 7, 15, 14, 25, 17, 2, 3, 10, 5, 9]
detailed listing:
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85)
close(r3)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
executing program 3:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @local}, 0x10)
listen(r0, 0x5)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080)={0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0xe)
connect$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080)={0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0xe)
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'veth0\x00', 0x2})
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'veth0\x00', 0x1})
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000300)={'veth1\x00', 0x1})
r2 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
ioctl$sock_x25_SIOCADDRT(r2, 0x890b, &(0x7f0000000400)={@null, 0x0, 'veth1\x00'})
bind$x25(r2, &(0x7f0000000500), 0x12)
connect$x25(r2, &(0x7f0000000600), 0x12)
sendto$x25(r2, &(0x7f0000000700)="1234567890", 0x5, 0x4, 0x0, 0x0)
executing program 4:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newsa={0x170, 0x10, 0x5, 0x1, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0x1234, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2, 0x0, 0x0, 0x80}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x80, "210466d38547aa140db9a200000000c538c7cb7a"}}, @replay_esn_val={0x20, 0x17, {0x1, 0x0, 0x0, 0x0, 0x0, 0x40, [0x0]}}]}, 0x170}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000300)=@newpolicy={0xfc, 0x13, 0x5, 0x2, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {}, {}, 0x0, 0x0, 0x1}, [@tmpl={0x44, 0x12, [{{@in=@loopback, 0x1234, 0x32}, 0x2, @in=@loopback, 0x1}]}]}, 0xfc}}, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r1, &(0x7f0000000400)={0x2, 0x1234, @loopback}, 0x10)
connect$inet(r1, &(0x7f0000000420)={0x2, 0x1234, @loopback}, 0x10)
sendto$inet(r1, &(0x7f0000000500)="12345678", 0x8, 0x0, 0x0, 0x0)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='\\x01000000 2000000000 0 0 0 krb5 \\x01000000ffffff7f000000000000000011000000000102030405060708090a0b0c0d0e0f\n', 0x85)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./export\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='tmpfs\x00', &(0x7f0000000180)='./export\x00', &(0x7f00000001c0)='tmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f0000000340)='tcp 2049\n\x00', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./nfsd/threads\x00', 0x1, 0x0)
write(r1, &(0x7f0000000740)='1\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0)
write(r2, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0)
write(r3, &(0x7f0000000540)='localhost ./export 2147483647\n\x00', 0x1e)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff)
r4 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r4, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10)
write(r4, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c)
nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='1', 0x1)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e23, @loopback}, 0x10)
listen(r2, 0x5)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r3, &(0x7f0000000280)={0x2, 0x4e24, @loopback}, 0x10)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2a}}], 0x10)
connect$inet(r3, &(0x7f0000000400)={0x2, 0x4e23, @loopback}, 0x10)
accept(r2, 0x0, 0x0)
r4 = socket(0x2, 0x3, 0x84)
setsockopt(r4, 0x0, 0x3, &(0x7f0000000600)="01000000", 0x4)
setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x2a}}}}, 0x84)
executing program 3:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='8\n\x00', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000100)='1\n\x00', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/3
testing program (duration=31s, {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}}): [14, 17, 2, 3, 10, 5, 9]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0)
write(r0, &(0x7f00000000c0)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0)
write(r1, &(0x7f0000000140)='1', 0x1)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e23, @loopback}, 0x10)
listen(r2, 0x5)
r3 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r3, &(0x7f0000000280)={0x2, 0x4e24, @loopback}, 0x10)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2a}}], 0x10)
connect$inet(r3, &(0x7f0000000400)={0x2, 0x4e23, @loopback}, 0x10)
accept(r2, 0x0, 0x0)
r4 = socket(0x2, 0x3, 0x84)
setsockopt(r4, 0x0, 0x3, &(0x7f0000000600)="01000000", 0x4)
setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x2a}}}}, 0x84)
executing program 3:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/self/fail-nth\x00', 0x2, 0x0)
write(r0, &(0x7f0000000100)='8\n\x00', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000100)='1\n\x00', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 3/3
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}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-openat
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)

program did not crash
bisect: split chunks (needed=true): <6>
bisect: split chunk #0 of len 6 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=31s, {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}}): [14, 10, 5, 9]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunks (needed=true): <3>
bisect: split chunk #0 of len 3 into 2 parts
bisect: testing without sub-chunk 1/2
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}}): [14, 9]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
bisect: testing without sub-chunk 2/2
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}}): [14, 10, 5]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='./proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/tipc/key_exchange_enabled\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='1\n', 0x2)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180), r1)
sendmsg$TIPC_NL_NET_SET(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x40, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1111}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000001}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1000001}, @TIPC_NLA_NET_NODEID_W1={0xc}]}]}, 0x40}}, 0x0)
sendmsg$TIPC_NL_KEY_SET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x58, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_NODE={0x44, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x3c, 0x4, {'gcm(aes)\x00', 0x14, "000102030405060708090a0b0c0d0e0f10111213"}}, @TIPC_NLA_NODE_KEY_MASTER={0x4}]}]}, 0x58}}, 0x0)
sendmsg$TIPC_NL_BEARER_ENABLE(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x1127, @loopback}}, {0x14, 0x2, @in={0x2, 0x1127, @loopback}}}}]}]}, 0x54}}, 0x0)
syz_emit_ethernet(0x50, &(0x7f0000000500)=ANY=[@ANYBLOB="ffffffffffff00112233445508004500004200004000401132ba7f0000017f00000111271127002e0000380000000000000000000000010000012000001800"/78], 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)

program did not crash
bisect: split chunks (needed=true): <2>, <1>
bisect: split chunk #0 of len 2 into 2 parts
bisect: testing without sub-chunk 1/2
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}}): [14, 5, 9]
detailed listing:
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunk #1 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: split chunks (needed=true): <1>, <1, final>
bisect: split chunk #0 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: 3 programs left: 

executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc/net/rpc/auth.rpcsec.context/channel\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)


bisect: trying to concatenate
bisect: concatenate 3 entries
minimizing program #0 before concatenation
testing program (duration=45s, {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}}): [13, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
close(r2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [12, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='2\n', 0x2)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [11, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [10, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
close(r1)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [9, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='tcp 2049\n', 0x9)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [8, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd/portlist\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [7, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
close(r0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [6, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='+3 -4.0 -4.1\n', 0xd)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [5, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/versions\x00', 0x1, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [4, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [3, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [2, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [1, 5, 9]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 5, 9]
detailed listing:
executing program 0:
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
minimized 14 calls -> 0 calls
minimizing program #1 before concatenation
testing program (duration=45s, {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}}): [0, 4, 9]
detailed listing:
executing program 2:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 3, 9]
detailed listing:
executing program 2:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 2, 9]
detailed listing:
executing program 2:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 1, 9]
detailed listing:
executing program 2:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 9]
detailed listing:
executing program 2:
executing program 0:
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
minimized 5 calls -> 0 calls
minimizing program #2 before concatenation
testing program (duration=45s, {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}}): [0, 0, 8]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)

program did not crash
testing program (duration=45s, {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}}): [0, 0, 8]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='-2 -3 +4\n\x00', 0x9)
write(0xffffffffffffffff, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): [0, 0, 8]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./nfsd/versions\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 7]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='./rec\n\x00', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 6]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/nfsv4recoverydir\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 5]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./rec\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 4]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): [0, 0, 3]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): [0, 0, 3]
detailed listing:
executing program 2:
executing program 3:
executing program 0:
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
minimized 9 calls -> 4 calls
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
bisect: concatenation succeeded
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=45s, {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}}): mkdirat-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mount-openat-write
detailed listing:
executing program 0:
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=45s, {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}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
simplifying C reproducer
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): mkdirat-mount-openat-write
program did not crash
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write
program did not crash
testing compiled C program (duration=45s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing compiled C program (duration=45s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
program crashed: kernel BUG in svc_destroy
testing program (duration=45s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=45s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
testing program (duration=45s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='tcp 20000\n\x00', 0xa)

program crashed: kernel BUG in svc_destroy
validation run: crashed=true
reproducing took 1h26m44.444230174s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:578!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4468 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
lr : svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
sp : ffff8000210c7930
x29: ffff8000210c7930 x28: 1fffe0001ab1fe8f x27: ffff0000d3f43800
x26: dfff800000000000 x25: ffff700004218f2c x24: ffff8000210c7960
x23: ffff0000cbac4280 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000cc9be068 x19: ffff0000cc9be050 x18: 1fffe00033e7277e
x17: ffff80001537d000 x16: ffff8000082dd244 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e728f0 x12: 0000000000000000
x11: ff00800010f0c48c x10: 0000000000000000 x9 : ffff800010f0c48c
x8 : ffff0000d3f43800 x7 : ffff8000083b9688 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0x850/0x9f0 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x114/0x164 fs/nfsd/nfsctl.c:114
 vfs_write+0x2a8/0x7c8 fs/read_write.c:582
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91026260 97c3a73c 17ffffc8 97c3a6cd (d4210000) 
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at net/sunrpc/svc.c:578!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4468 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
lr : svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
sp : ffff8000210c7930
x29: ffff8000210c7930 x28: 1fffe0001ab1fe8f x27: ffff0000d3f43800
x26: dfff800000000000 x25: ffff700004218f2c x24: ffff8000210c7960
x23: ffff0000cbac4280 x22: dfff800000000000 x21: 0000000000000001
x20: ffff0000cc9be068 x19: ffff0000cc9be050 x18: 1fffe00033e7277e
x17: ffff80001537d000 x16: ffff8000082dd244 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe00033e728f0 x12: 0000000000000000
x11: ff00800010f0c48c x10: 0000000000000000 x9 : ffff800010f0c48c
x8 : ffff0000d3f43800 x7 : ffff8000083b9688 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 svc_destroy+0x178/0x184 net/sunrpc/svc.c:578
 kref_put include/linux/kref.h:65 [inline]
 svc_put include/linux/sunrpc/svc.h:123 [inline]
 __write_ports_addxprt fs/nfsd/nfsctl.c:768 [inline]
 __write_ports fs/nfsd/nfsctl.c:794 [inline]
 write_ports+0x850/0x9f0 fs/nfsd/nfsctl.c:847
 nfsctl_transaction_write+0x114/0x164 fs/nfsd/nfsctl.c:114
 vfs_write+0x2a8/0x7c8 fs/read_write.c:582
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91026260 97c3a73c 17ffffc8 97c3a6cd (d4210000) 
---[ end trace 0000000000000000 ]---