Extracting prog: 34m26.044203977s Minimizing prog: 34m31.590780297s Simplifying prog options: 0s Extracting C: 3m24.537419955s Simplifying C: 28m2.784397537s extracting reproducer from 51 programs testing a last program of every proc single: executing 11 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$vicodec0-openat$vicodec0-io_setup-syz_open_procfs-socket$igmp-socket$igmp-setsockopt$MRT_ADD_MFC-setsockopt$MRT_ADD_MFC_PROXY-setsockopt$MRT_FLUSH-io_submit detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000002e80), 0x2, 0x0) (async) openat$vicodec0(0xffffffffffffff9c, &(0x7f0000002e80), 0x2, 0x0) io_setup(0x8, &(0x7f0000004200)=0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') socket$igmp(0x2, 0x3, 0x2) (async) r2 = socket$igmp(0x2, 0x3, 0x2) setsockopt$MRT_ADD_MFC(r2, 0x0, 0xcc, &(0x7f0000000100)={@initdev={0xac, 0x1e, 0x0, 0x0}, @multicast2, 0x1, "80b07d73e4bf172c22db3523b45553a71b1bfa5dfb7ab577f6a3a44a3350931c", 0x3, 0x2, 0x9, 0x9}, 0x3c) setsockopt$MRT_ADD_MFC_PROXY(r2, 0x0, 0xd2, &(0x7f0000000000)={@multicast2, @multicast2, 0x0, "a00349da3125700c8667f4c89c51829aa531b46bf4a7bb5aaa0fe73a5e46c452", 0xfffffffd, 0x0, 0x7fffffff, 0x9}, 0x3c) setsockopt$MRT_FLUSH(r2, 0x0, 0xd4, &(0x7f0000000040)=0x1, 0x4) io_submit(r0, 0x1, &(0x7f0000004540)=[&(0x7f0000004280)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$PR_SET_SYSCALL_USER_DISPATCH_ON-mmap-madvise-bpf$PROG_LOAD detailed listing: executing program 0: prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x6, 0x8, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x8, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x8, '\x00', 0x0, @cgroup_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000340), 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x42) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): userfaultfd-openat$kvm-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-ioctl$VIDIOC_S_PARM-sched_setattr-bind$inet-connect$inet-socket$inet6-write$uinput_user_dev-ioctl$UI_DEV_CREATE-readv-setsockopt$inet6_int-socket$nl_route-socket$nl_netfilter-sendmsg$nl_route-syz_usb_connect-openat$sequencer2-syz_open_dev$midi-close-openat$tun-ioctl$TUNSETQUEUE detailed listing: executing program 0: userfaultfd(0x801) openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x218, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) ioctl$VIDIOC_S_PARM(0xffffffffffffffff, 0xc0cc5616, 0x0) sched_setattr(0x0, 0x0, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000100)={0x2, 0x0, @local}, 0x10) connect$inet(0xffffffffffffffff, 0x0, 0x0) r2 = socket$inet6(0xa, 0xa, 0x5) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000100)={'syz1\x00', {0x0, 0x0, 0x0, 0x3}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x40, 0x0, 0xfffffffe, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x182, 0x3, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x40000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, 0x8, 0x40], [0x0, 0x0, 0x0, 0x0, 0x10000000, 0x0, 0x0, 0x0, 0x6386, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x1], [0x0, 0x0, 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2ce06cc8, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8], [0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x8, 0xc7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xfffffffd, 0x2, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x45c) ioctl$UI_DEV_CREATE(0xffffffffffffffff, 0x5501) readv(0xffffffffffffffff, &(0x7f00000018c0)=[{0x0}, {0x0}], 0x2) setsockopt$inet6_int(r2, 0x29, 0x1000000000021, &(0x7f0000000180)=0xffffffc1, 0x4) r3 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0xd9ff, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="840000001000f5a400000000ffdbdf2500000000", @ANYRES32=0x0, @ANYBLOB="00000000000000006400128009000100626f6e640000000054000280050001000500000005000d000200000008000200", @ANYRES32=0x0, @ANYBLOB="06001800030000000500060004000000050016000100000008001c"], 0x84}}, 0x0) syz_usb_connect(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="120100008010bd40820514009dbb0000000109022400011b00000009040000022a3e740009058bff7f0000100109050b362f"], 0x0) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000240), 0xc2882, 0x0) syz_open_dev$midi(&(0x7f0000000000), 0x3, 0x4a243) close(r4) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x20041, 0x0) ioctl$TUNSETQUEUE(r5, 0x400454d9, &(0x7f0000000140)={'veth0_macvtap\x00', 0x200}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-syz_usb_control_io$cdc_ncm-syz_usb_control_io-syz_usb_control_io$cdc_ncm-syz_usb_control_io$printer-syz_usb_control_io$cdc_ecm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x75, 0x1c, 0x1, 0x10, 0xfe6, 0x9800, 0xd19a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x29, 0x2, 0x2, 0xb4, 0x8c, 0xbb, 0x0, [], [{{0x9, 0x5, 0x4, 0x2, 0x10, 0x0, 0xfa}}, {{0x9, 0x5, 0x82, 0x2, 0x40}}]}}]}}]}}, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000580)={0x44, &(0x7f0000000340)={0x20, 0x24, 0x6, "24461d208426"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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-openat$kvm-bpf$TOKEN_CREATE-socketpair$unix-connect$unix-openat$cgroup_ro-fcntl$lock-sendmmsg$unix-openat$kvm-recvmmsg-openat$dlm_monitor-syncfs-prctl$PR_SCHED_CORE-sched_setattr-ioctl$sock_SIOCETHTOOL-socket$inet_smc-ioctl$SNDCTL_DSP_SETFMT-mmap$dsp-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADD-socket$inet_sctp-setsockopt$IP_VS_SO_SET_ADDDEST-setsockopt$IP_VS_SO_SET_FLUSH-madvise-mmap-syz_clone detailed listing: executing program 0: socket(0x10, 0x3, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x22042, 0x0) bpf$TOKEN_CREATE(0x24, 0x0, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) fcntl$lock(r2, 0x26, &(0x7f0000000000)={0x0, 0x0, 0x7fffffffffffffff, 0x80000001}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x1000, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000c40), 0x604102, 0x0) syncfs(r3) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) sched_setattr(0x0, 0x0, 0x0) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, 0x0) socket$inet_smc(0x2b, 0x1, 0x0) ioctl$SNDCTL_DSP_SETFMT(0xffffffffffffffff, 0xc0045005, &(0x7f0000000140)=0x2000) mmap$dsp(&(0x7f0000ff9000/0x2000)=nil, 0x2000, 0x100000f, 0x11, 0xffffffffffffffff, 0x0) r4 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r4, 0x0, 0x482, &(0x7f0000000040)={0x84, @multicast2, 0x15, 0x3, 'wrr\x00', 0x1, 0x4, 0x55}, 0x2c) r5 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADDDEST(r5, 0x0, 0x487, &(0x7f0000000000)={{0x84, @rand_addr=0x64010100, 0x4e20, 0x3, 'lc\x00', 0x8, 0x323b, 0x53}, {@remote, 0x4e23, 0x2000, 0x0, 0x12d5c, 0x12d5c}}, 0x44) setsockopt$IP_VS_SO_SET_FLUSH(r5, 0x0, 0x485, 0x0, 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0) syz_clone(0x640c7000, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup-fallocate-ioctl$TCXONC detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x48882, 0x0) sendfile(r0, r0, 0x0, 0x400000000003f) r1 = dup(r0) fallocate(r1, 0x11, 0x8000000, 0x8004000000200) ioctl$TCXONC(r1, 0x540a, 0x1) program crashed: INFO: task hung in page_cache_ra_order single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup-fallocate detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x48882, 0x0) sendfile(r0, r0, 0x0, 0x400000000003f) r1 = dup(r0) fallocate(r1, 0x11, 0x8000000, 0x8004000000200) program crashed: INFO: task hung in page_cache_ra_order testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x48882, 0x0) sendfile(r0, r0, 0x0, 0x400000000003f) dup(r0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-fallocate detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x48882, 0x0) sendfile(r0, r0, 0x0, 0x400000000003f) fallocate(0xffffffffffffffff, 0x11, 0x8000000, 0x8004000000200) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-dup-fallocate detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x48882, 0x0) r1 = dup(r0) fallocate(r1, 0x11, 0x8000000, 0x8004000000200) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}): sendfile-dup-fallocate detailed listing: executing program 0: sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x400000000003f) r0 = dup(0xffffffffffffffff) fallocate(r0, 0x11, 0x8000000, 0x8004000000200) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup-fallocate detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, 0x0, 0x48882, 0x0) sendfile(r0, r0, 0x0, 0x400000000003f) r1 = dup(r0) fallocate(r1, 0x11, 0x8000000, 0x8004000000200) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-dup-fallocate program crashed: INFO: task hung in page_cache_ra_order reproducing took 1h40m24.956822749s repro crashed as (corrupted=false): INFO: task syz-executor378:5856 blocked for more than 143 seconds. Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor378 state:D stack:23400 pid:5856 tgid:5855 ppid:5854 task_flags:0x440040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b88/0x5240 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0x163/0x360 kernel/sched/core.c:6860 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917 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+0x6ff/0xa50 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:922 [inline] page_cache_ra_order+0x45e/0xca0 mm/readahead.c:491 filemap_readahead mm/filemap.c:2560 [inline] filemap_get_pages+0x9ec/0x1fc0 mm/filemap.c:2605 filemap_splice_read+0x690/0xef0 mm/filemap.c:2981 do_splice_read fs/splice.c:979 [inline] splice_direct_to_actor+0x4af/0xc90 fs/splice.c:1083 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x281/0x3d0 fs/splice.c:1227 do_sendfile+0x582/0x8c0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64+0x17e/0x1e0 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8129c77369 RSP: 002b:00007f8129c30228 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f8129d01328 RCX: 00007f8129c77369 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007f8129d01320 R08: 00007f8129c306c0 R09: 00007f8129c306c0 R10: 000400000000003f R11: 0000000000000246 R12: 00007f8129d0132c R13: 0000200000001000 R14: 6c756e2f7665642f R15: 00007ffd401636d8 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x30/0x180 kernel/locking/lockdep.c:6764 1 lock held by klogd/5203: 2 locks held by getty/5602: #0: ffff8880358da0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900033462f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x5bb/0x1700 drivers/tty/n_tty.c:2222 1 lock held by syz-executor378/5856: #0: ffff88802390f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline] #0: ffff88802390f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x45e/0xca0 mm/readahead.c:491 2 locks held by syz-executor378/5857: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x4ab/0x4e0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline] watchdog+0x1058/0x10a0 kernel/hung_task.c:437 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5857 Comm: syz-executor378 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] RIP: 0010:rcu_is_watching+0x3a/0xb0 kernel/rcu/tree.c:736 Code: e8 9b 92 87 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 10 bc 79 8e 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 dc cc 84 00 48 c7 c3 58 8b 69 93 49 03 1e 48 89 RSP: 0018:ffffc900041df8e8 EFLAGS: 00000246 RAX: 1ffffffff1cf3782 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8ca1b700 RDI: ffffffff8ca1b6c0 RBP: ffffffff93686020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: ffffffff8e79bc10 R15: dffffc0000000000 FS: 00007f8129c0f6c0(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bdd967e600 CR3: 0000000079aaa000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x5e/0x2f0 kernel/locking/lockdep.c:5829 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock_sched include/linux/rcupdate.h:932 [inline] pfn_valid+0x113/0x450 include/linux/mmzone.h:2116 bvec_try_merge_page+0xb6/0x6e0 block/bio.c:924 bio_add_page+0x193/0x670 block/bio.c:1013 __blkdev_issue_zero_pages+0x1ae/0x290 block/blk-lib.c:215 blkdev_issue_zero_pages block/blk-lib.c:238 [inline] blkdev_issue_zeroout+0x651/0x880 block/blk-lib.c:325 blkdev_fallocate+0x3dd/0x490 block/fops.c:-1 vfs_fallocate+0x627/0x7a0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xbc/0x110 fs/open.c:365 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8129c77369 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8129c0f228 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f8129d01338 RCX: 00007f8129c77369 RDX: 0000000008000000 RSI: 0000000000000011 RDI: 0000000000000004 RBP: 00007f8129d01330 R08: 00007f8129c0f6c0 R09: 00007f8129c0f6c0 R10: 0008004000000200 R11: 0000000000000246 R12: 00007f8129d0133c R13: 0000200000001000 R14: 6c756e2f7665642f R15: 00007ffd401636d8 final repro crashed as (corrupted=false): INFO: task syz-executor378:5856 blocked for more than 143 seconds. Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor378 state:D stack:23400 pid:5856 tgid:5855 ppid:5854 task_flags:0x440040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b88/0x5240 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0x163/0x360 kernel/sched/core.c:6860 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917 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+0x6ff/0xa50 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:922 [inline] page_cache_ra_order+0x45e/0xca0 mm/readahead.c:491 filemap_readahead mm/filemap.c:2560 [inline] filemap_get_pages+0x9ec/0x1fc0 mm/filemap.c:2605 filemap_splice_read+0x690/0xef0 mm/filemap.c:2981 do_splice_read fs/splice.c:979 [inline] splice_direct_to_actor+0x4af/0xc90 fs/splice.c:1083 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x281/0x3d0 fs/splice.c:1227 do_sendfile+0x582/0x8c0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64+0x17e/0x1e0 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8129c77369 RSP: 002b:00007f8129c30228 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f8129d01328 RCX: 00007f8129c77369 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007f8129d01320 R08: 00007f8129c306c0 R09: 00007f8129c306c0 R10: 000400000000003f R11: 0000000000000246 R12: 00007f8129d0132c R13: 0000200000001000 R14: 6c756e2f7665642f R15: 00007ffd401636d8 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8ed3df20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x30/0x180 kernel/locking/lockdep.c:6764 1 lock held by klogd/5203: 2 locks held by getty/5602: #0: ffff8880358da0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900033462f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x5bb/0x1700 drivers/tty/n_tty.c:2222 1 lock held by syz-executor378/5856: #0: ffff88802390f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline] #0: ffff88802390f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x45e/0xca0 mm/readahead.c:491 2 locks held by syz-executor378/5857: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x4ab/0x4e0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline] watchdog+0x1058/0x10a0 kernel/hung_task.c:437 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5857 Comm: syz-executor378 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] RIP: 0010:rcu_is_watching+0x3a/0xb0 kernel/rcu/tree.c:736 Code: e8 9b 92 87 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 10 bc 79 8e 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 dc cc 84 00 48 c7 c3 58 8b 69 93 49 03 1e 48 89 RSP: 0018:ffffc900041df8e8 EFLAGS: 00000246 RAX: 1ffffffff1cf3782 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8ca1b700 RDI: ffffffff8ca1b6c0 RBP: ffffffff93686020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: ffffffff8e79bc10 R15: dffffc0000000000 FS: 00007f8129c0f6c0(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bdd967e600 CR3: 0000000079aaa000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x5e/0x2f0 kernel/locking/lockdep.c:5829 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock_sched include/linux/rcupdate.h:932 [inline] pfn_valid+0x113/0x450 include/linux/mmzone.h:2116 bvec_try_merge_page+0xb6/0x6e0 block/bio.c:924 bio_add_page+0x193/0x670 block/bio.c:1013 __blkdev_issue_zero_pages+0x1ae/0x290 block/blk-lib.c:215 blkdev_issue_zero_pages block/blk-lib.c:238 [inline] blkdev_issue_zeroout+0x651/0x880 block/blk-lib.c:325 blkdev_fallocate+0x3dd/0x490 block/fops.c:-1 vfs_fallocate+0x627/0x7a0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xbc/0x110 fs/open.c:365 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8129c77369 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8129c0f228 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f8129d01338 RCX: 00007f8129c77369 RDX: 0000000008000000 RSI: 0000000000000011 RDI: 0000000000000004 RBP: 00007f8129d01330 R08: 00007f8129c0f6c0 R09: 00007f8129c0f6c0 R10: 0008004000000200 R11: 0000000000000246 R12: 00007f8129d0133c R13: 0000200000001000 R14: 6c756e2f7665642f R15: 00007ffd401636d8