Extracting prog: 1h13m8.826023531s Minimizing prog: 1h52m44.17818691s Simplifying prog options: 0s Extracting C: 3m36.793760045s Simplifying C: 36m17.63775143s extracting reproducer from 29 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat-write-close-socket$nl_route-sendmsg$nl_route-sendmsg$nl_route detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat-write-close-socket$inet_sctp-setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE-setsockopt-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-setsockopt$inet_sctp_SCTP_MAXSEG-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-bind-listen-connect-sendmsg$inet_sctp-setsockopt$inet_sctp_SCTP_RESET_ASSOC detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sched_setattr-fsetxattr$security_capability-syz_open_dev$vim2m-ioctl$vim2m_VIDIOC_S_FMT-ioctl$DRM_IOCTL_MODE_RMFB-openat$ttyS3-socket$nl_generic-syz_genetlink_get_family_id$wireguard-mknod-lsetxattr$security_capability-listxattr-openat$vcsu-sendmsg$WG_CMD_SET_DEVICE-openat$tun-ioctl$TUNSETIFF-socket$kcm-ioctl$SIOCSIFHWADDR-ioctl$TCSETAW-ioctl$TIOCMSET-msgget$private-msgctl$MSG_STAT-openat$ttyS3 detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-write-close-mkdirat-mkdirat-mkdirat-socket$inet_tcp-connect$inet-write-nanosleep detailed listing: 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, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r1, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r2, &(0x7f0000000540)='localhost / 2147483647\n\x00', 0x17) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff) r3 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r3, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10) write(r3, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c) nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mkdirat-openat-write-close-openat-write-close-openat-write-close-openat-write-close-openat-write-close-openat-write-close-openat-write-close-mkdirat-mount-setxattr detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000080)='./proc_mnt\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000140)='./nfsd_mnt\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./export_dir\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd_mnt/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-2 -3 +4\n', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd_mnt/client_tracking_method\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='none\n', 0x5) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd_mnt/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='tcp 2049\n', 0x9) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc_mnt/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc_mnt/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000440)='localhost / 2147483647 0 0 0 0\n', 0x1f) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='localhost 1 \\x00 2147483647 /\n', 0x1e) close(r5) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd_mnt/threads\x00', 0x1, 0x0) write(r6, &(0x7f0000000540)='1\n', 0x2) close(r6) mkdirat(0xffffffffffffff9c, &(0x7f0000000580)='./nfs_mnt\x00', 0x1ff) mount(&(0x7f00000005c0)=@filename='127.0.0.1:/\x00', &(0x7f0000000600)='./nfs_mnt\x00', &(0x7f0000000640)='nfs4\x00', 0x0, &(0x7f0000000680)='addr=127.0.0.1,clientaddr=127.0.0.1\x00') setxattr(&(0x7f00000006c0)='./nfs_mnt\x00', &(0x7f0000000700)=@known='system.posix_acl_access\x00', &(0x7f0000000740)='\x02\x00\x00\x00\x01\x00\a\x00\xff\xff\xff\xff\x04\x00\x05\x00\xff\xff\xff\xff \x00\x05\x00\xff\xff\xff\xff', 0x1c, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 29 programs with base timeout 6m0s testing program (duration=6m7s, {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}}): [24, 14, 8, 20, 6, 11, 14, 10, 12, 5, 26, 5, 17, 10, 10, 19, 11, 26, 29, 5, 8, 11, 4, 22, 1, 9, 27, 19, 11] detailed listing: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/self/fail-nth\x00', 0x1, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000140)='net/netstat\x00') write(r0, &(0x7f0000000100)='1\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='2\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='3\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='4\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='5\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='6\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='7\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='8\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='9\x00', 0x2) read(r1, &(0x7f0000000180)=""/512, 0x200) write(r0, &(0x7f0000000100)='10\x00', 0x3) read(r1, &(0x7f0000000180)=""/512, 0x200) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000000)=@filename='nfsd\x00', &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) r0 = socket$inet(0x2, 0x1, 0x6) bind(r0, &(0x7f0000000100)=@in={0x2, 0x801, @loopback}, 0x10) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/portlist\x00', 0x1, 0x0) write(r1, &(0x7f0000000240)='3\n\x00', 0x2) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n\x00', 0x2) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff) mount$nfs4(&(0x7f0000000440)='127.0.0.1:/\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000500)=ANY=[@ANYBLOB='addr=127.0.0.1,port=2049,proto=tcp,clientaddr=127.0.0.1\x00']) r3 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./mnt/file0\x00', 0x0, 0x0) close(r3) executing program 1: r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0x1, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, &(0x7f0000001400)={0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0) nanosleep(&(0x7f0000000300)={0x1}, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000080)={'syzkaller0\x00', &(0x7f00000002c0)=@ethtool_eeprom={0xb, 0x0, 0x0, 0x10}}) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000180)={'syzkaller1\x00', &(0x7f00000002c0)=@ethtool_eeprom={0xb, 0x0, 0x0, 0x10}}) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 0: r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000fc0)={&(0x7f0000001040)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}}, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) bind$rds(r1, &(0x7f0000000000)={0x2, 0x4000, @loopback}, 0x10) setsockopt$RDS_RECVERR(r1, 0x114, 0x5, &(0x7f0000000140)=0x1, 0x4) sendmsg$rds(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x2, 0x4000, @loopback}, 0x10, &(0x7f0000000200)=[{&(0x7f0000000240)=""/8, 0x8}], 0x1, &(0x7f0000000700)=[@fadd={0x58, 0x114, 0x6, {{0x1}, &(0x7f0000000140), &(0x7f0000000180), 0x1, 0x0, 0x0, 0x0, 0x20, 0x1234}}], 0x58}, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000b00)='./sys\x00', &(0x7f0000000c00)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./sys/bus/netdevsim/new_device\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='10 2\n\x00', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/netdevsim/devices/netdevsim10/sriov_numvfs\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='4\n\x00', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000600)=@newlinkprop={0x48, 0x6c, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'netdevsim0\x00'}, @IFLA_ALT_IFNAME={0x14, 0x35, 'netdevsim0\x00'}]}, 0x3c}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000800)={&(0x7f0000000900)=@getlink={0x3c, 0x12, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'netdevsim0\x00'}, @IFLA_EXT_MASK={0x8, 0x1d, 0x1}]}, 0x34}}, 0x0) executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x5c, 0x10, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1, 0x1}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x1, 0x1}}}}}}]}, 0x5c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@ipv4_newaddr={0x3c, 0x14, 0x601, 0x0, 0x0, {0x2, 0x18}, [@IFA_LABEL={0x14, 0x3, 'veth0\x00'}, @IFA_LOCAL={0x8, 0x2, @private=0xa010101}, @IFA_ADDRESS={0x8, 0x1, @private=0xa010101}]}, 0x3c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@ipv4_newaddr={0x3c, 0x14, 0x601, 0x0, 0x0, {0x2, 0x18}, [@IFA_LABEL={0x14, 0x3, 'veth1\x00'}, @IFA_LOCAL={0x8, 0x2, @private=0xa010102}, @IFA_ADDRESS={0x8, 0x1, @private=0xa010102}]}, 0x3c}}, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000380)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth1\x00'}}]}, 0x38}}, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) bind(r2, &(0x7f0000000700)=@in={0x2, 0x1f90, @private=0xa010101}, 0x10) listen(r2, 0x5) r3 = socket$inet_smc(0x2b, 0x1, 0x0) bind(r3, &(0x7f0000000720)=@in={0x2, 0x0, @private=0xa010102}, 0x10) connect$inet(r3, &(0x7f0000000740)={0x2, 0x1f90, @private=0xa010101}, 0x10) accept(r2, 0x0, 0x0) executing program 4: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x5) bind$inet(r1, &(0x7f0000000040)={0x2, 0x0, @loopback}, 0x10) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) shutdown(r2, 0x2) (async) sendmsg$inet_sctp(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)='hello', 0x5}], 0x1}, 0x0) close(r2) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1000', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1', 0x1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)=@ipv4_newroute={0x40, 0x18, 0x601, 0x0, 0x0, {0x2, 0x18, 0x0, 0x0, 0xfe, 0x3, 0x0, 0x1}, [@RTA_DST={0x8, 0x1, @private=0xa010100}, @RTA_OIF={0x8, 0x4, 0x1}, @RTA_ENCAP_TYPE={0x6, 0x15, 0x1}, @RTA_ENCAP={0xc, 0x16, 0x0, 0x1, @MPLS_IPTUNNEL_DST={0x8, 0x1, [{0x64, 0x0, 0x1, 0x40}]}}]}, 0x40}}, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r3, 0x6, 0x2, &(0x7f0000000500)=0x64, 0x4) connect$inet(r3, &(0x7f0000000540)={0x2, 0x1234, @private=0xa010101}, 0x10) sendmsg$inet(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000600)='\x00'/1000, 0x3e8}], 0x1}, 0x0) executing program 4: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'lo\x00'}}]}, 0x38}}, 0x0) nanosleep(&(0x7f0000000300)={0x0, 0x1dcd6500}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0x1ed) mount$9p_rdma(&(0x7f0000000100), &(0x7f0000000200)='./mnt\x00', &(0x7f0000000300), 0x0, &(0x7f0000000400)={'trans=rdma,', {'port', 0x3d, 0x4e20}}) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x200}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f00000002c0)=0x2, 0x4) setsockopt(r3, 0x84, 0x7d, &(0x7f0000000300)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000380)=@assoc_value={0x0, 0x200}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) sendto(r3, &(0x7f0000000500)='\x00', 0x2710, 0x0, 0x0, 0x0) sendto(r4, &(0x7f0000003000)='\x00', 0x2710, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f0000000700), 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0) nanosleep(&(0x7f0000000300)={0x0, 0x1dcd6500}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0x1ed) mount$9p_rdma(&(0x7f0000000100), &(0x7f0000000200)='./mnt\x00', &(0x7f0000000300), 0x0, &(0x7f0000000400)={'trans=rdma,', {'port', 0x3d, 0x4e20}}) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x8}]}, 0x24}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/sys/net/mptcp/add_addr_timeout\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1\n\x00', 0x2) r3 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r3, &(0x7f0000000300)={0x2, 0x1f40, @loopback}, 0x10) listen(r3, 0x5) r4 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r4, &(0x7f0000000300)={0x2, 0x1f40, @loopback}, 0x10) r5 = accept(r3, 0x0, 0x0) write(r4, &(0x7f0000000400)="0123456789", 0xa) read(r5, &(0x7f0000000500), 0xa) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010100}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x1}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x2}]}]}, 0x38}}, 0x0) nanosleep(&(0x7f0000000700)={0x1}, 0x0) executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x5) bind$inet(r1, &(0x7f0000000040)={0x2, 0x0, @loopback}, 0x10) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) shutdown(r2, 0x2) (async) sendmsg$inet_sctp(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)='hello', 0x5}], 0x1}, 0x0) close(r2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/write_ports\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='2049\n\x00', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x1, 0x0) write(r1, &(0x7f0000000240)='1\n\x00', 0x2) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./mnt\x00', 0x1ff) mount$nfs4(&(0x7f0000000340)='127.0.0.1:/\x00', &(0x7f0000000380)='./mnt\x00', &(0x7f00000003c0), 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='port=2049,proto=tcp,clientaddr=127.0.0.1\x00']) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x200}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f00000002c0)=0x2, 0x4) setsockopt(r3, 0x84, 0x7d, &(0x7f0000000300)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000380)=@assoc_value={0x0, 0x200}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) sendto(r3, &(0x7f0000000500)='\x00', 0x2710, 0x0, 0x0, 0x0) sendto(r4, &(0x7f0000003000)='\x00', 0x2710, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f0000000700), 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000080)='./proc_mnt\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000140)='./nfsd_mnt\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./export_dir\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd_mnt/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-2 -3 +4\n', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd_mnt/client_tracking_method\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='none\n', 0x5) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd_mnt/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='tcp 2049\n', 0x9) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc_mnt/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc_mnt/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000440)='localhost / 2147483647 0 0 0 0\n', 0x1f) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='localhost 1 \\x00 2147483647 /\n', 0x1e) close(r5) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd_mnt/threads\x00', 0x1, 0x0) write(r6, &(0x7f0000000540)='1\n', 0x2) close(r6) mkdirat(0xffffffffffffff9c, &(0x7f0000000580)='./nfs_mnt\x00', 0x1ff) mount(&(0x7f00000005c0)=@filename='127.0.0.1:/\x00', &(0x7f0000000600)='./nfs_mnt\x00', &(0x7f0000000640)='nfs4\x00', 0x0, &(0x7f0000000680)='addr=127.0.0.1,clientaddr=127.0.0.1\x00') setxattr(&(0x7f00000006c0)='./nfs_mnt\x00', &(0x7f0000000700)=@known='system.posix_acl_access\x00', &(0x7f0000000740)='\x02\x00\x00\x00\x01\x00\a\x00\xff\xff\xff\xff\x04\x00\x05\x00\xff\xff\xff\xff \x00\x05\x00\xff\xff\xff\xff', 0x1c, 0x0) executing program 2: r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0x2, 0x4) bind$rds(r0, &(0x7f0000000100)={0x2, 0x1234, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000200)={&(0x7f0000000300)={0x2, 0x1234, @loopback}, 0x10, &(0x7f0000000400)=[{&(0x7f0000000500)=""/4, 0x8}], 0x1}, 0x0) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 3: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) bind(r0, &(0x7f0000000000)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x80) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/tcp_syncookies\x00', 0x1, 0x0) write$sysctl(r1, &(0x7f0000000200)='2\x00', 0x1) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) accept$inet(r0, 0x0, 0x0) executing program 3: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000100000)=""/8192, 0x2000, 0x800}, 0x20) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000040)=0x10, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f0000000080)=0x10, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000140)=0x10, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$xdp(r0, &(0x7f00000003c0)={0x2c, 0x2, r2, 0x0, 0x0}, 0x10) mmap$xdp(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x11, r0, 0x80000000) sendmsg$xdp(r0, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, 0x40) ppoll(&(0x7f0000000800)=[{r0, 0x4}], 0x1, 0x0, 0x0, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xc, &(0x7f0000000500)=0x10001, 0x4) connect$inet(r0, &(0x7f0000000600)={0x2, 0x1234, @loopback}, 0x10) write(r0, &(0x7f0000000700)='hello1', 0x6) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./export\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='tmpfs\x00', &(0x7f0000000180)='./export\x00', &(0x7f00000001c0)='tmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff) mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)='tcp 2049\n\x00', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r1, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r2, &(0x7f0000000540)='localhost / 2147483647\n\x00', 0x17) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff) r3 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r3, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10) write(r3, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c) nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0) executing program 2: syz_emit_ethernet(0x32, &(0x7f0000000300)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa0800450000240000000040847c547f0000017f0000014e214e20123456780000000006000400"], 0x0) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: bisecting 29 programs bisect: split chunks (needed=false): <29> bisect: split chunk #0 of len 29 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=6m4s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [26, 5, 17, 10, 10, 19, 11, 26, 29, 5, 8, 11, 4, 22, 1, 9, 27, 19, 11] detailed listing: executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x200}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f00000002c0)=0x2, 0x4) setsockopt(r3, 0x84, 0x7d, &(0x7f0000000300)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000380)=@assoc_value={0x0, 0x200}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) sendto(r3, &(0x7f0000000500)='\x00', 0x2710, 0x0, 0x0, 0x0) sendto(r4, &(0x7f0000003000)='\x00', 0x2710, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f0000000700), 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'veth0\x00'}}]}, 0x38}}, 0x0) nanosleep(&(0x7f0000000300)={0x0, 0x1dcd6500}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0x1ed) mount$9p_rdma(&(0x7f0000000100), &(0x7f0000000200)='./mnt\x00', &(0x7f0000000300), 0x0, &(0x7f0000000400)={'trans=rdma,', {'port', 0x3d, 0x4e20}}) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x8}]}, 0x24}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/sys/net/mptcp/add_addr_timeout\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1\n\x00', 0x2) r3 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r3, &(0x7f0000000300)={0x2, 0x1f40, @loopback}, 0x10) listen(r3, 0x5) r4 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r4, &(0x7f0000000300)={0x2, 0x1f40, @loopback}, 0x10) r5 = accept(r3, 0x0, 0x0) write(r4, &(0x7f0000000400)="0123456789", 0xa) read(r5, &(0x7f0000000500), 0xa) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010100}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x1}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x2}]}]}, 0x38}}, 0x0) nanosleep(&(0x7f0000000700)={0x1}, 0x0) executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x5) bind$inet(r1, &(0x7f0000000040)={0x2, 0x0, @loopback}, 0x10) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) shutdown(r2, 0x2) (async) sendmsg$inet_sctp(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)='hello', 0x5}], 0x1}, 0x0) close(r2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/write_ports\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='2049\n\x00', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x1, 0x0) write(r1, &(0x7f0000000240)='1\n\x00', 0x2) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./mnt\x00', 0x1ff) mount$nfs4(&(0x7f0000000340)='127.0.0.1:/\x00', &(0x7f0000000380)='./mnt\x00', &(0x7f00000003c0), 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='port=2049,proto=tcp,clientaddr=127.0.0.1\x00']) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x200}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f00000002c0)=0x2, 0x4) setsockopt(r3, 0x84, 0x7d, &(0x7f0000000300)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000380)=@assoc_value={0x0, 0x200}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) sendto(r3, &(0x7f0000000500)='\x00', 0x2710, 0x0, 0x0, 0x0) sendto(r4, &(0x7f0000003000)='\x00', 0x2710, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r3, 0x84, 0x78, &(0x7f0000000700), 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000080)='./proc_mnt\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000140)='./nfsd_mnt\x00', &(0x7f0000000180)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./export_dir\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd_mnt/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='-2 -3 +4\n', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./nfsd_mnt/client_tracking_method\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='none\n', 0x5) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd_mnt/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='tcp 2049\n', 0x9) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./proc_mnt/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc_mnt/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000440)='localhost / 2147483647 0 0 0 0\n', 0x1f) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='localhost 1 \\x00 2147483647 /\n', 0x1e) close(r5) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd_mnt/threads\x00', 0x1, 0x0) write(r6, &(0x7f0000000540)='1\n', 0x2) close(r6) mkdirat(0xffffffffffffff9c, &(0x7f0000000580)='./nfs_mnt\x00', 0x1ff) mount(&(0x7f00000005c0)=@filename='127.0.0.1:/\x00', &(0x7f0000000600)='./nfs_mnt\x00', &(0x7f0000000640)='nfs4\x00', 0x0, &(0x7f0000000680)='addr=127.0.0.1,clientaddr=127.0.0.1\x00') setxattr(&(0x7f00000006c0)='./nfs_mnt\x00', &(0x7f0000000700)=@known='system.posix_acl_access\x00', &(0x7f0000000740)='\x02\x00\x00\x00\x01\x00\a\x00\xff\xff\xff\xff\x04\x00\x05\x00\xff\xff\xff\xff \x00\x05\x00\xff\xff\xff\xff', 0x1c, 0x0) executing program 2: r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0x2, 0x4) bind$rds(r0, &(0x7f0000000100)={0x2, 0x1234, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000200)={&(0x7f0000000300)={0x2, 0x1234, @loopback}, 0x10, &(0x7f0000000400)=[{&(0x7f0000000500)=""/4, 0x8}], 0x1}, 0x0) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 3: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) bind(r0, &(0x7f0000000000)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x80) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/tcp_syncookies\x00', 0x1, 0x0) write$sysctl(r1, &(0x7f0000000200)='2\x00', 0x1) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) accept$inet(r0, 0x0, 0x0) executing program 3: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000100000)=""/8192, 0x2000, 0x800}, 0x20) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000040)=0x10, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f0000000080)=0x10, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000140)=0x10, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$xdp(r0, &(0x7f00000003c0)={0x2c, 0x2, r2, 0x0, 0x0}, 0x10) mmap$xdp(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x11, r0, 0x80000000) sendmsg$xdp(r0, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, 0x40) ppoll(&(0x7f0000000800)=[{r0, 0x4}], 0x1, 0x0, 0x0, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xc, &(0x7f0000000500)=0x10001, 0x4) connect$inet(r0, &(0x7f0000000600)={0x2, 0x1234, @loopback}, 0x10) write(r0, &(0x7f0000000700)='hello1', 0x6) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='nfsd\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./export\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='tmpfs\x00', &(0x7f0000000180)='./export\x00', &(0x7f00000001c0)='tmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff) mount(&(0x7f0000000240)=@filename='proc\x00', &(0x7f0000000280)='./proc\x00', &(0x7f00000002c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000340)='tcp 2049\n\x00', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r1, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r2, &(0x7f0000000540)='localhost / 2147483647\n\x00', 0x17) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff) r3 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r3, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10) write(r3, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c) nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0) executing program 2: syz_emit_ethernet(0x32, &(0x7f0000000300)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa0800450000240000000040847c547f0000017f0000014e214e20123456780000000006000400"], 0x0) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: the chunk can be dropped bisect: testing without sub-chunk 2/3 testing program (duration=6m2s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [8, 11, 4, 22, 1, 9, 27, 19, 11] detailed listing: executing program 3: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) bind(r0, &(0x7f0000000000)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x80) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/tcp_syncookies\x00', 0x1, 0x0) write$sysctl(r1, &(0x7f0000000200)='2\x00', 0x1) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) accept$inet(r0, 0x0, 0x0) executing program 3: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000100000)=""/8192, 0x2000, 0x800}, 0x20) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000040)=0x10, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f0000000080)=0x10, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000140)=0x10, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$xdp(r0, &(0x7f00000003c0)={0x2c, 0x2, r2, 0x0, 0x0}, 0x10) mmap$xdp(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x11, r0, 0x80000000) sendmsg$xdp(r0, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, 0x40) ppoll(&(0x7f0000000800)=[{r0, 0x4}], 0x1, 0x0, 0x0, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xc, &(0x7f0000000500)=0x10001, 0x4) connect$inet(r0, &(0x7f0000000600)={0x2, 0x1234, @loopback}, 0x10) write(r0, &(0x7f0000000700)='hello1', 0x6) executing program 3: 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, &(0x7f0000000400)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r1, &(0x7f0000000440)='nfsd 127.0.0.1 2147483647 localhost\n\x00', 0x24) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r2, &(0x7f0000000540)='localhost / 2147483647\n\x00', 0x17) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./export/dir1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./export/dir2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000680)='./export/dir3\x00', 0x1ff) r3 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r3, &(0x7f0000000900)={0x2, 0x8008, @loopback}, 0x10) write(r3, &(0x7f0000000a00)="80000038000000010000000000000002000186a300000003000000100000000000000000000000000000000000000000000000000000000020", 0x3c) nanosleep(&(0x7f0000000b00)={0x0, 0x5f5e100}, 0x0) executing program 2: syz_emit_ethernet(0x32, &(0x7f0000000300)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa0800450000240000000040847c547f0000017f0000014e214e20123456780000000006000400"], 0x0) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: the chunk can be dropped bisect: testing without sub-chunk 3/3 bisect: split chunks (needed=true): <9> bisect: split chunk #0 of len 9 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m1s, {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, 27, 19, 11] detailed listing: executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program crashed: INFO: rcu detected stall in gc_worker 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): <4> bisect: split chunk #0 of len 4 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [19, 11] detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x80}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x7}, 0x8) bind(r2, &(0x7f00000003c0)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(0xffffffffffffffff, &(0x7f0000000400)=@in={0x2, 0x4e20, @loopback}, 0x10) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x90}], 0x1, 0x0, 0x0, 0x8000}, 0x8000) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000800), 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/mpls/platform_labels\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='1000\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./proc/sys/net/mpls/conf/lo/input\x00', 0x1, 0x0) write(r1, &(0x7f0000000600)='1\n', 0x2) close(r1) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=@mpls_newroute={0x0, 0x18, 0x605, 0x0, 0x0, {0x1c, 0x14, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x1}, [@RTA_DST={0x0, 0x1, {0x100, 0x0, 0x1}}, @RTA_NEWDST={0x0, 0x16, [{0x200, 0x0, 0x1}]}, @RTA_OIF={0x0, 0x4, 0x1}]}, 0x1}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000500)={&(0x7f0000000200), 0xc, &(0x7f0000000600)={&(0x7f0000000700)=@mpls_getroute={0x0, 0x1a, 0x301}, 0x1}}, 0x0) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [9, 27] detailed listing: executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: the chunk can be dropped bisect: split chunks (needed=true): <2> bisect: split chunk #0 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sched_setattr-fsetxattr$security_capability-syz_open_dev$vim2m-ioctl$vim2m_VIDIOC_S_FMT-ioctl$DRM_IOCTL_MODE_RMFB-openat$ttyS3-socket$nl_generic-syz_genetlink_get_family_id$wireguard-mknod-lsetxattr$security_capability-listxattr-openat$vcsu-sendmsg$WG_CMD_SET_DEVICE-openat$tun-ioctl$TUNSETIFF-socket$kcm-ioctl$SIOCSIFHWADDR-ioctl$TCSETAW-ioctl$TIOCMSET-msgget$private-msgctl$MSG_STAT-openat$ttyS3 detailed listing: executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, &(0x7f00000000c0)={0x38, 0x5, 0x8, 0x8001, 0x0, 0x4, 0xfff, 0xfffffe0000000001, 0xfa11, 0xffffffff}, 0x0) fsetxattr$security_capability(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1) r2 = syz_open_dev$vim2m(&(0x7f0000000080), 0x3fe, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r2, 0xc0d05605, &(0x7f0000000580)={0x1, @vbi={0x4, 0x80000000, 0x4, 0x34325258, [0x88000], [0xaf09, 0x7], 0x1}}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000480)) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$wireguard(&(0x7f00000003c0), 0xffffffffffffffff) mknod(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0, 0x1) listxattr(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) openat$vcsu(0xffffff9c, &(0x7f0000000100), 0x30403, 0x0) sendmsg$WG_CMD_SET_DEVICE(r4, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004840}, 0x40000) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r6 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) ioctl$TCSETAW(r3, 0x5407, &(0x7f0000000040)={0x6, 0x7, 0x9, 0x0, 0x1, "100056f200"}) ioctl$TIOCMSET(r3, 0x5418, &(0x7f0000000000)=0x8001) r7 = msgget$private(0x0, 0x200) msgctl$MSG_STAT(r7, 0xb, &(0x7f0000000bc0)=""/4096) openat$ttyS3(0xffffff9c, &(0x7f0000000140), 0x20040, 0x0) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet-bind$packet-write-nanosleep detailed listing: executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: the chunk can be dropped bisect: split chunks (needed=true): <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 1 programs left: executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) bisect: trying to concatenate bisect: concatenate 1 entries testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet-bind$packet-write-nanosleep detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) program crashed: INFO: rcu detected stall in corrupted bisect: concatenation succeeded found reproducer with 9 syscalls minimizing guilty program testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet-bind$packet-write detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) write(r3, &(0x7f0000000500)="00000000000000000000000008004500001c000000004011000001010101010101020001000100080000", 0x2a) program crashed: INFO: rcu detected stall in gc_worker testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet-bind$packet detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) r3 = socket$packet(0x11, 0x3, 0x300) bind$packet(r3, &(0x7f0000000400)={0x11, 0x0, r2, 0x0}, 0x14) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) socket$packet(0x11, 0x3, 0x300) program crashed: INFO: rcu detected stall in gc_worker testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program crashed: no output from test machine testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'}) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) socket$inet(0x2, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=@newlink={0x50, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth0\x00'}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x1}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @veth={{0x9}, {0x4, 0x2, 0x0, 0x1, @void}}}]}, 0x50}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program crashed: INFO: rcu detected stall in cfg80211_wiphy_work testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'}) sendmsg$nl_route_sched(r0, 0x0, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={0x0}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x34, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x4}}]}, 0x34}}, 0x0) program did not crash testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xa8, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x78, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x8, 0x2, 0x0, 0x1, [{0x4}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xa8}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: INFO: rcu detected stall in cfg80211_wiphy_work simplifying C reproducer testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: BUG: soft lockup in smp_call_function a never seen crash title: BUG: soft lockup in smp_call_function, ignore testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program crashed: INFO: rcu detected stall in blk_mq_run_work_fn validation run: crashed=true testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program crashed: INFO: rcu detected stall in kmem_alloc_batch validation run: crashed=true testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc, 0x3, 0xffffffffc4653600}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0) program crashed: INFO: rcu detected stall in exit_to_user_mode_loop validation run: crashed=true reproducing took 3h55m44.325586949s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5904/1:b..l rcu: (detected by 1, t=10502 jiffies, g=14329, q=3836 ncpus=2) task:syz.0.25 state:R running task stack:27256 pid:5904 tgid:5903 ppid:5752 task_flags:0x40054c flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:81 [inline] RIP: 0010:__orc_find+0x86/0xf0 arch/x86/kernel/unwind_orc.c:103 Code: f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 <48> 01 da 49 39 d5 73 af 4c 8d 63 fc 49 39 ec 73 b2 4d 29 f7 49 c1 RSP: 0018:ffffc90003817258 EFLAGS: 00000246 RAX: ffffffff91c453f4 RBX: ffffffff913b4ddc RCX: dffffc0000000000 RDX: fffffffff07d3840 RSI: 0000000000000000 RDI: ffffffff913b4dbc RBP: ffffffff913b4dbc R08: ffffffff91c4545a R09: 0000000000000007 R10: 0000000000000200 R11: 000000000000b886 R12: ffffffff913b4dfc R13: ffffffff81b88696 R14: ffffffff913b4dbc R15: ffffffff913b4dbc orc_find arch/x86/kernel/unwind_orc.c:238 [inline] unwind_next_frame+0x2ec/0x2090 arch/x86/kernel/unwind_orc.c:510 __unwind_start+0x3cd/0x7e0 arch/x86/kernel/unwind_orc.c:787 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x73/0xf0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2677 [inline] slab_free mm/slub.c:6377 [inline] kmem_cache_free+0x127/0x6b0 mm/slub.c:6504 anon_vma_chain_free mm/rmap.c:147 [inline] unlink_anon_vmas+0x4c1/0x8e0 mm/rmap.c:539 free_pgtables+0x2e7/0xd80 mm/memory.c:414 exit_mmap+0x44c/0xa00 mm/mmap.c:1312 __mmput+0x12a/0x410 kernel/fork.c:1187 mmput+0x67/0x80 kernel/fork.c:1210 exit_mm kernel/exit.c:615 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:997 do_group_exit+0xd5/0x2a0 kernel/exit.c:1152 get_signal+0x1ec7/0x21e0 kernel/signal.c:3046 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f6b19de99 RSP: 002b:00007f7f6bf880e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f7f6b425fa8 RCX: 00007f7f6b19de99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f6b425fa8 RBP: 00007f7f6b425fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7f6b426038 R14: 00007ffca62637d0 R15: 00007ffca62638b8 rcu: rcu_preempt kthread starved for 537 jiffies! g14329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27592 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7326 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2123 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2325 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 70 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x58e/0x1870 kernel/smp.c:912 Code: b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 49 89 d5 49 89 d4 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 e8 64 99 0c 00 f3 90 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 a8 10 00 00 8b 45 08 31 RSP: 0018:ffffc9000202f858 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81fdc702 RDX: ffff88801e71ca80 RSI: ffffffff81fdc6dc RDI: ffff88801e71ca80 RBP: ffff8880b8443680 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 R13: ffffed10170886d1 R14: 0000000000000001 R15: ffff8880b853c880 FS: 0000000000000000(0000) GS:ffff888123edc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562378102da8 CR3: 000000000e994000 CR4: 00000000003526f0 Call Trace: on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1077 on_each_cpu include/linux/smp.h:72 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2773 [inline] smp_text_poke_batch_finish+0x337/0xc60 arch/x86/kernel/alternative.c:2983 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x37a/0x550 kernel/jump_label.c:910 static_key_enable_cpuslocked+0x1bc/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate mm/kfence/core.c:911 [inline] toggle_allocation_gate+0xfe/0x2d0 mm/kfence/core.c:903 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5904/1:b..l rcu: (detected by 1, t=10502 jiffies, g=14329, q=3836 ncpus=2) task:syz.0.25 state:R running task stack:27256 pid:5904 tgid:5903 ppid:5752 task_flags:0x40054c flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:81 [inline] RIP: 0010:__orc_find+0x86/0xf0 arch/x86/kernel/unwind_orc.c:103 Code: f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 <48> 01 da 49 39 d5 73 af 4c 8d 63 fc 49 39 ec 73 b2 4d 29 f7 49 c1 RSP: 0018:ffffc90003817258 EFLAGS: 00000246 RAX: ffffffff91c453f4 RBX: ffffffff913b4ddc RCX: dffffc0000000000 RDX: fffffffff07d3840 RSI: 0000000000000000 RDI: ffffffff913b4dbc RBP: ffffffff913b4dbc R08: ffffffff91c4545a R09: 0000000000000007 R10: 0000000000000200 R11: 000000000000b886 R12: ffffffff913b4dfc R13: ffffffff81b88696 R14: ffffffff913b4dbc R15: ffffffff913b4dbc orc_find arch/x86/kernel/unwind_orc.c:238 [inline] unwind_next_frame+0x2ec/0x2090 arch/x86/kernel/unwind_orc.c:510 __unwind_start+0x3cd/0x7e0 arch/x86/kernel/unwind_orc.c:787 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x73/0xf0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2677 [inline] slab_free mm/slub.c:6377 [inline] kmem_cache_free+0x127/0x6b0 mm/slub.c:6504 anon_vma_chain_free mm/rmap.c:147 [inline] unlink_anon_vmas+0x4c1/0x8e0 mm/rmap.c:539 free_pgtables+0x2e7/0xd80 mm/memory.c:414 exit_mmap+0x44c/0xa00 mm/mmap.c:1312 __mmput+0x12a/0x410 kernel/fork.c:1187 mmput+0x67/0x80 kernel/fork.c:1210 exit_mm kernel/exit.c:615 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:997 do_group_exit+0xd5/0x2a0 kernel/exit.c:1152 get_signal+0x1ec7/0x21e0 kernel/signal.c:3046 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f6b19de99 RSP: 002b:00007f7f6bf880e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f7f6b425fa8 RCX: 00007f7f6b19de99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f6b425fa8 RBP: 00007f7f6b425fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7f6b426038 R14: 00007ffca62637d0 R15: 00007ffca62638b8 rcu: rcu_preempt kthread starved for 537 jiffies! g14329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27592 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7326 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2123 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2325 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 70 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x58e/0x1870 kernel/smp.c:912 Code: b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 49 89 d5 49 89 d4 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 e8 64 99 0c 00 f3 90 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 a8 10 00 00 8b 45 08 31 RSP: 0018:ffffc9000202f858 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81fdc702 RDX: ffff88801e71ca80 RSI: ffffffff81fdc6dc RDI: ffff88801e71ca80 RBP: ffff8880b8443680 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 R13: ffffed10170886d1 R14: 0000000000000001 R15: ffff8880b853c880 FS: 0000000000000000(0000) GS:ffff888123edc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562378102da8 CR3: 000000000e994000 CR4: 00000000003526f0 Call Trace: on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1077 on_each_cpu include/linux/smp.h:72 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2773 [inline] smp_text_poke_batch_finish+0x337/0xc60 arch/x86/kernel/alternative.c:2983 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x37a/0x550 kernel/jump_label.c:910 static_key_enable_cpuslocked+0x1bc/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate mm/kfence/core.c:911 [inline] toggle_allocation_gate+0xfe/0x2d0 mm/kfence/core.c:903 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245