Extracting prog: 57m18.184865753s Minimizing prog: 1h42m8.267730244s Simplifying prog options: 14m14.587816542s Extracting C: 5m18.034370809s Simplifying C: 0s extracting reproducer from 64 programs testing a last program of every proc single: executing 14 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr-openat2-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$sndseq-ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO-fsconfig$FSCONFIG_CMD_CREATE-openat$proc_mixer-write$proc_mixer-fallocate-socket$inet6_sctp-getsockopt$inet_sctp6_SCTP_ASSOCINFO-setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET-mremap-madvise detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000000)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x1) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000002700)=""/102392, 0x18ff8) openat2(0xffffffffffffffff, &(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x10200, 0x64, 0x4}, 0x18) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={0x0}, 0x18) r2 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000280), 0x1) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r2, 0xc02c5341, &(0x7f00000002c0)) fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r3 = openat$proc_mixer(0xffffffffffffff9c, 0x0, 0x298f3cc22e12b39a, 0x0) write$proc_mixer(r3, 0x0, 0xf8) fallocate(r1, 0x48, 0x7fa31035, 0xa) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000140)={0x0, 0x2, 0x5, 0xb3e2, 0x200, 0x6a}, &(0x7f0000000200)=0x14) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r4, 0x84, 0x76, 0x0, 0x0) mremap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f0000fff000/0x1000)=nil) madvise(&(0x7f0000003000/0x1000)=nil, 0x7f7884acbfff, 0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_route-socket$nl_generic-sendmsg$NBD_CMD_RECONFIGURE-syz_genetlink_get_family_id$ethtool-socket-getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x40000000000011a, 0x44000) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRES16, @ANYBLOB="8101c1cbc7c5f4ae4dcb7ed8ef86"], 0x14}, 0x1, 0x0, 0x0, 0x48040}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), r4) r5 = socket(0x2, 0x80805, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r5, 0x84, 0x70, 0x0, &(0x7f0000000180)) socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route(r3, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_BSS detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000002240), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000240)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_BSS(r0, &(0x7f00000023c0)={0x0, 0x0, &(0x7f0000002380)={&(0x7f0000002300)={0x44, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {{}, {@val={0x8, 0x3, r3}, @void}}, [@NL80211_ATTR_BSS_HT_OPMODE={0x6, 0x6d, 0x5}, @NL80211_ATTR_BSS_SHORT_PREAMBLE={0x5, 0x1d, 0x3e}, @NL80211_ATTR_AP_ISOLATE={0x5}, @NL80211_ATTR_P2P_CTWINDOW={0x5, 0xa2, 0x9}, @NL80211_ATTR_BSS_CTS_PROT={0x5}]}, 0x44}}, 0x4000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$tun-openat$tun-socket$nl_route-openat$ptp0-socket-socket$tipc-socket$nl_route-socket-syz_open_dev$usbfs-sendmsg$NL80211_CMD_GET_COALESCE-getsockname$packet-socket$nl_route-sendmsg$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) socket(0x10, 0x3, 0x0) socket$tipc(0x1e, 0x5, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) syz_open_dev$usbfs(&(0x7f0000000080), 0x74, 0x101301) sendmsg$NL80211_CMD_GET_COALESCE(r1, &(0x7f0000000600)={0x0, 0xffffffffffffff58, &(0x7f0000000400)={0x0, 0x14}}, 0x0) getsockname$packet(r1, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0x8f) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000002c0)=ANY=[@ANYBLOB="3c0000001000030400000006000000005dcc0300", @ANYRES32=r2, @ANYBLOB="71e79fd800000000140012800c0001006d616376746170001400028008000500", @ANYRES32=r3], 0x3c}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newtfilter={0x2c, 0x10, 0x1, 0x1fffffd, 0x0, {0x0, 0x0, 0x74, r2, {0x5}, {0xffe8}, {0xa, 0x1}}, [@TCA_RATE={0x6, 0x5, {0x39, 0x1}}]}, 0x2c}, 0x1, 0xf0ffffffffffff, 0x0, 0x4004140}, 0x8010) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-openat$tun-close-socket$netlink-ioctl$SIOCSIFHWADDR-writev detailed listing: executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x1c1341, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r1) socket$netlink(0x10, 0x3, 0x0) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @link_local}) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000c00)="89e7ee2c7cdad9b4b47381c96558", 0xe}, {&(0x7f0000000440)="8d808be20faddb0007da9a036558", 0xe}], 0x2) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-dup-fcntl$setstatus-sendmsg$nl_route_sched-syz_usb_control_io$uac1-bpf$MAP_CREATE-prlimit64-sched_setscheduler-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$nl_generic-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) r1 = dup(r0) fcntl$setstatus(r0, 0x4, 0x42000) sendmsg$nl_route_sched(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000dc0), 0x6df8}}, 0x0) syz_usb_control_io$uac1(0xffffffffffffffff, 0x0, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x48) prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0xa, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x53, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='sched_switch\x00'}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_io_uring_setup(0x233, &(0x7f0000000280)={0x0, 0x0, 0x10100}, &(0x7f0000000080)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r3, r4, &(0x7f00000009c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0}) io_uring_enter(r2, 0x7a98, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$netlbl_calipso-syz_usb_control_io$hid-rename-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(0x0, r1) syz_usb_control_io$hid(r0, &(0x7f0000000240)={0x24, &(0x7f0000000000)=ANY=[@ANYRES16=r0], 0x0, 0x0, 0x0}, 0x0) rename(&(0x7f0000000240)='./file0\x00', 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000180)={0x84, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB=' '], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000001200)={0x84, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x20, 0x0, 0x4, {0x1}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000001300)={0x2c, &(0x7f0000001000)={0x0, 0x0, 0x3, "da3c8d"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$netlbl_calipso-syz_usb_control_io$hid-rename-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000090024206d041cc340000000000109022400010000a00009040000010301010009210008000122010009058103"], 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_calipso(0x0, r1) syz_usb_control_io$hid(r0, &(0x7f0000000240)={0x24, &(0x7f0000000000)=ANY=[@ANYRES16=r0], 0x0, 0x0, 0x0}, 0x0) rename(&(0x7f0000000240)='./file0\x00', 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000180)={0x84, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB=' '], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000001200)={0x84, 0x0, 0x0, 0x0, &(0x7f0000000040)={0x20, 0x0, 0x4, {0x1}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000001300)={0x2c, &(0x7f0000001000)={0x0, 0x0, 0x3, "da3c8d"}, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program crashed: INFO: task hung in hugetlbfs_zero_partial_page single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(0xffffffffffffffff, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, 0x0, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, 0x0, &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), 0x0) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, 0x0, 0x0) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, 0x0, 0x0) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, 0x0, &(0x7f00000005c0)}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {0x0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340)}], 0x0, 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash extracting C reproducer testing compiled C program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m33.369836694s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash testing program (duration=6m33.369836694s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-mbind-madvise detailed listing: executing program 0: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0, 0x2) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program did not crash reproducing took 2h58m59.074819076s repro crashed as (corrupted=false): INFO: task syz.3.1803:9905 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1803 state:D stack:22160 pid:9905 tgid:9904 ppid:5954 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 io_schedule+0x8d/0x110 kernel/sched/core.c:7681 folio_wait_bit_common+0x839/0xee0 mm/filemap.c:1308 __folio_lock mm/filemap.c:1646 [inline] folio_lock include/linux/pagemap.h:1151 [inline] __filemap_get_folio+0x14c/0x940 mm/filemap.c:1899 filemap_lock_folio include/linux/pagemap.h:788 [inline] filemap_lock_hugetlb_folio include/linux/hugetlb.h:789 [inline] hugetlbfs_zero_partial_page+0xb0/0x590 fs/hugetlbfs/inode.c:661 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:715 [inline] hugetlbfs_fallocate+0xbdd/0x11a0 fs/hugetlbfs/inode.c:748 vfs_fallocate+0x56b/0x6e0 fs/open.c:327 madvise_remove mm/madvise.c:1020 [inline] madvise_vma_behavior mm/madvise.c:1255 [inline] madvise_walk_vmas mm/madvise.c:1497 [inline] do_madvise+0x23c1/0x4d10 mm/madvise.c:1684 __do_sys_madvise mm/madvise.c:1700 [inline] __se_sys_madvise mm/madvise.c:1698 [inline] __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:1698 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4fef85d19 RSP: 002b:00007fa4ffdff038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fa4ff175fa0 RCX: 00007fa4fef85d19 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000000020000000 RBP: 00007fa4ff001a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa4ff175fa0 R15: 00007ffd7e368038 INFO: task syz.3.1803:9910 blocked for more than 144 seconds. Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1803 state:D stack:27120 pid:9910 tgid:9904 ppid:5954 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 i_mmap_lock_read include/linux/fs.h:529 [inline] rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 remove_migration_ptes mm/migrate.c:373 [inline] unmap_and_move_huge_page mm/migrate.c:1526 [inline] migrate_hugetlbs mm/migrate.c:1648 [inline] migrate_pages+0xd26/0x3380 mm/migrate.c:2046 do_mbind mm/mempolicy.c:1394 [inline] kernel_mbind mm/mempolicy.c:1537 [inline] __do_sys_mbind mm/mempolicy.c:1611 [inline] __se_sys_mbind+0x145b/0x18d0 mm/mempolicy.c:1607 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4fef85d19 RSP: 002b:00007fa4ffdab038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007fa4ff176080 RCX: 00007fa4fef85d19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 RBP: 00007fa4ff001a20 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa4ff176080 R15: 00007ffd7e368038 Showing all locks held in the system: 4 locks held by kworker/u8:1/12: 1 lock held by khungtaskd/30: #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744 1 lock held by udevd/5197: 1 lock held by dhcpcd/5491: #0: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129 2 locks held by getty/5586: #0: ffff8880313710a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 2 locks held by kworker/0:3/5810: #0: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 3 locks held by kworker/u8:8/6048: #0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310 #1: ffffc900046d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc900046d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310 #2: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281 3 locks held by syz.3.1803/9905: #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline] #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: vfs_fallocate+0x4fe/0x6e0 fs/open.c:326 #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:690 [inline] #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x407/0x11a0 fs/hugetlbfs/inode.c:748 #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_write include/linux/fs.h:509 [inline] #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:698 [inline] #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_fallocate+0x4cd/0x11a0 fs/hugetlbfs/inode.c:748 1 lock held by syz.3.1803/9910: #0: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_read include/linux/fs.h:529 [inline] #0: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 1 lock held by syz.6.2635/11669: #0: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_read include/linux/fs.h:529 [inline] #0: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 3 locks held by syz.6.2635/11677: #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline] #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: vfs_fallocate+0x4fe/0x6e0 fs/open.c:326 #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:690 [inline] #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x407/0x11a0 fs/hugetlbfs/inode.c:748 #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_write include/linux/fs.h:509 [inline] #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:698 [inline] #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_fallocate+0x4cd/0x11a0 fs/hugetlbfs/inode.c:748 2 locks held by syz-executor/21337: #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:555 #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline] #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xbcb/0x2150 net/core/rtnetlink.c:4010 1 lock held by syz.5.7438/22297: #0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xff6/0x1040 kernel/hung_task.c:397 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5197 Comm: udevd Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:validate_chain+0x15/0x5920 kernel/locking/lockdep.c:3860 Code: 02 4d 0a 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 <48> 81 ec c0 02 00 00 49 89 ce 89 54 24 58 48 89 bc 24 80 00 00 00 RSP: 0018:ffffc90004827700 EFLAGS: 00000086 RAX: 1ffffffff2783629 RBX: ffffffff93c1b148 RCX: 58cce5e7c8d5ebdc RDX: 0000000000000001 RSI: ffff88807d7a64e0 RDI: ffff88807d7a5a00 RBP: ffffc90004827740 R08: ffffffff942a1887 R09: 1ffffffff2854310 R10: dffffc0000000000 R11: fffffbfff2854311 R12: ffff88807d7a5a00 R13: ffff88807d7a5a00 R14: 1ffff1100faf4ca0 R15: 0000000000000001 FS: 00007f2066ba4c80(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e7cffdf98 CR3: 000000007c9ba000 CR4: 0000000000350ef0 Call Trace: __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] __d_lookup+0x81/0x7b0 fs/dcache.c:2331 lookup_fast+0x74/0x4a0 fs/namei.c:1749 walk_component fs/namei.c:2108 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2477 path_lookupat+0xa9/0x450 fs/namei.c:2633 filename_lookup+0x2a3/0x670 fs/namei.c:2663 do_readlinkat+0xf0/0x3a0 fs/stat.c:562 __do_sys_readlink fs/stat.c:599 [inline] __se_sys_readlink fs/stat.c:596 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:596 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2066717d47 Code: 73 01 c3 48 8b 0d e1 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 90 0d 00 f7 d8 64 89 01 48 RSP: 002b:00007ffd34177f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007ffd34177f78 RCX: 00007f2066717d47 RDX: 0000000000000400 RSI: 00007ffd34177f78 RDI: 00007ffd34178458 RBP: 0000000000000400 R08: 000055cbc6b605a4 R09: 0000000000000000 R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffd34178458 R13: 00007ffd341783c8 R14: 000055cbc6b4c910 R15: 0000000000000000 final repro crashed as (corrupted=false): INFO: task syz.3.1803:9905 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1803 state:D stack:22160 pid:9905 tgid:9904 ppid:5954 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 io_schedule+0x8d/0x110 kernel/sched/core.c:7681 folio_wait_bit_common+0x839/0xee0 mm/filemap.c:1308 __folio_lock mm/filemap.c:1646 [inline] folio_lock include/linux/pagemap.h:1151 [inline] __filemap_get_folio+0x14c/0x940 mm/filemap.c:1899 filemap_lock_folio include/linux/pagemap.h:788 [inline] filemap_lock_hugetlb_folio include/linux/hugetlb.h:789 [inline] hugetlbfs_zero_partial_page+0xb0/0x590 fs/hugetlbfs/inode.c:661 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:715 [inline] hugetlbfs_fallocate+0xbdd/0x11a0 fs/hugetlbfs/inode.c:748 vfs_fallocate+0x56b/0x6e0 fs/open.c:327 madvise_remove mm/madvise.c:1020 [inline] madvise_vma_behavior mm/madvise.c:1255 [inline] madvise_walk_vmas mm/madvise.c:1497 [inline] do_madvise+0x23c1/0x4d10 mm/madvise.c:1684 __do_sys_madvise mm/madvise.c:1700 [inline] __se_sys_madvise mm/madvise.c:1698 [inline] __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:1698 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4fef85d19 RSP: 002b:00007fa4ffdff038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fa4ff175fa0 RCX: 00007fa4fef85d19 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000000020000000 RBP: 00007fa4ff001a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa4ff175fa0 R15: 00007ffd7e368038 INFO: task syz.3.1803:9910 blocked for more than 144 seconds. Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1803 state:D stack:27120 pid:9910 tgid:9904 ppid:5954 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 i_mmap_lock_read include/linux/fs.h:529 [inline] rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 remove_migration_ptes mm/migrate.c:373 [inline] unmap_and_move_huge_page mm/migrate.c:1526 [inline] migrate_hugetlbs mm/migrate.c:1648 [inline] migrate_pages+0xd26/0x3380 mm/migrate.c:2046 do_mbind mm/mempolicy.c:1394 [inline] kernel_mbind mm/mempolicy.c:1537 [inline] __do_sys_mbind mm/mempolicy.c:1611 [inline] __se_sys_mbind+0x145b/0x18d0 mm/mempolicy.c:1607 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4fef85d19 RSP: 002b:00007fa4ffdab038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007fa4ff176080 RCX: 00007fa4fef85d19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 RBP: 00007fa4ff001a20 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa4ff176080 R15: 00007ffd7e368038 Showing all locks held in the system: 4 locks held by kworker/u8:1/12: 1 lock held by khungtaskd/30: #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744 1 lock held by udevd/5197: 1 lock held by dhcpcd/5491: #0: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129 2 locks held by getty/5586: #0: ffff8880313710a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 2 locks held by kworker/0:3/5810: #0: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 3 locks held by kworker/u8:8/6048: #0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310 #1: ffffc900046d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc900046d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310 #2: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281 3 locks held by syz.3.1803/9905: #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline] #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: vfs_fallocate+0x4fe/0x6e0 fs/open.c:326 #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:690 [inline] #1: ffff888024d19078 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x407/0x11a0 fs/hugetlbfs/inode.c:748 #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_write include/linux/fs.h:509 [inline] #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:698 [inline] #2: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_fallocate+0x4cd/0x11a0 fs/hugetlbfs/inode.c:748 1 lock held by syz.3.1803/9910: #0: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_read include/linux/fs.h:529 [inline] #0: ffff888024d19348 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 1 lock held by syz.6.2635/11669: #0: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_read include/linux/fs.h:529 [inline] #0: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: rmap_walk_file+0x69c/0x780 mm/rmap.c:2694 3 locks held by syz.6.2635/11677: #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2964 [inline] #0: ffff8881436e6420 (sb_writers#13){.+.+}-{0:0}, at: vfs_fallocate+0x4fe/0x6e0 fs/open.c:326 #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:690 [inline] #1: ffff888077021588 (&sb->s_type->i_mutex_key#21){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x407/0x11a0 fs/hugetlbfs/inode.c:748 #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: i_mmap_lock_write include/linux/fs.h:509 [inline] #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_punch_hole fs/hugetlbfs/inode.c:698 [inline] #2: ffff888077021858 (&hugetlbfs_i_mmap_rwsem_key){++++}-{4:4}, at: hugetlbfs_fallocate+0x4cd/0x11a0 fs/hugetlbfs/inode.c:748 2 locks held by syz-executor/21337: #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8f45c1e0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:555 #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline] #1: ffffffff8fcb2888 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xbcb/0x2150 net/core/rtnetlink.c:4010 1 lock held by syz.5.7438/22297: #0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xff6/0x1040 kernel/hung_task.c:397 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5197 Comm: udevd Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:validate_chain+0x15/0x5920 kernel/locking/lockdep.c:3860 Code: 02 4d 0a 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 <48> 81 ec c0 02 00 00 49 89 ce 89 54 24 58 48 89 bc 24 80 00 00 00 RSP: 0018:ffffc90004827700 EFLAGS: 00000086 RAX: 1ffffffff2783629 RBX: ffffffff93c1b148 RCX: 58cce5e7c8d5ebdc RDX: 0000000000000001 RSI: ffff88807d7a64e0 RDI: ffff88807d7a5a00 RBP: ffffc90004827740 R08: ffffffff942a1887 R09: 1ffffffff2854310 R10: dffffc0000000000 R11: fffffbfff2854311 R12: ffff88807d7a5a00 R13: ffff88807d7a5a00 R14: 1ffff1100faf4ca0 R15: 0000000000000001 FS: 00007f2066ba4c80(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e7cffdf98 CR3: 000000007c9ba000 CR4: 0000000000350ef0 Call Trace: __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] __d_lookup+0x81/0x7b0 fs/dcache.c:2331 lookup_fast+0x74/0x4a0 fs/namei.c:1749 walk_component fs/namei.c:2108 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2477 path_lookupat+0xa9/0x450 fs/namei.c:2633 filename_lookup+0x2a3/0x670 fs/namei.c:2663 do_readlinkat+0xf0/0x3a0 fs/stat.c:562 __do_sys_readlink fs/stat.c:599 [inline] __se_sys_readlink fs/stat.c:596 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:596 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2066717d47 Code: 73 01 c3 48 8b 0d e1 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 90 0d 00 f7 d8 64 89 01 48 RSP: 002b:00007ffd34177f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007ffd34177f78 RCX: 00007f2066717d47 RDX: 0000000000000400 RSI: 00007ffd34177f78 RDI: 00007ffd34178458 RBP: 0000000000000400 R08: 000055cbc6b605a4 R09: 0000000000000000 R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffd34178458 R13: 00007ffd341783c8 R14: 000055cbc6b4c910 R15: 0000000000000000