Extracting prog: 42m55.386144263s Minimizing prog: 1h55m46.718169846s Simplifying prog options: 0s Extracting C: 3m17.782006841s Simplifying C: 24m32.025917578s extracting reproducer from 41 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:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$rtl8150-socket$packet-ioctl$sock_SIOCGIFINDEX-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-syz_usb_control_io-syz_usb_control_io$uac1-syz_usb_control_io$rtl8150-syz_open_dev$video-ioctl$VIDIOC_S_PARM-syz_usb_control_io$lan78xx-syz_usb_control_io$uac2-openat$comedi-syz_usb_control_io$uac1-ioctl$COMEDI_DEVCONFIG detailed listing: executing program 0: r0 = syz_usb_connect$rtl8150(0x3, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xbda, 0x8150, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d}}]}}, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'geneve0\x00', 0x0}) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000006c0)={0x3, 0xc, &(0x7f0000000340)=ANY=[], &(0x7f0000000000)='syzkaller\x00', 0x4, 0x0, 0x0, 0x41100, 0x40, '\x00', r2, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x3}, 0x94) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$uac1(0xffffffffffffffff, 0x0, &(0x7f0000000480)={0x44, &(0x7f0000000280)={0x0, 0x17, 0x1, "f0"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$rtl8150(0xffffffffffffffff, 0x0, &(0x7f0000000440)={0x2c, &(0x7f00000001c0)={0x40, 0x17, 0x1, "96"}, 0x0, 0x0, 0x0, 0x0}) r3 = syz_open_dev$video(&(0x7f0000000140), 0x8, 0x140) ioctl$VIDIOC_S_PARM(r3, 0xc0cc5616, &(0x7f0000000100)={0x5, @raw_data="e4ef1fa1acfdbf81d617f05f97a81489774337f67440fdb4d40e1f0d2bfad266c96e08d83b5fdbb06d0c45228c13913bd2f2d5fee46ccb2c33bcd92079887efac9a2e43ed740bc6bc4048cf5123742fcf5c0cd380631e5727e54f5b7f2aaf594f729fb57fa0abb1de5977100dea9861d22298c16984bd89f2a1a28d9995bf16960d948bee67a4d6096472b819e3576d371ca1465b5efbe90449715eac12f9b663c95f4349fe160d40686aac4bccc44a2df5fd20eda8fdc3aca6784572f3d8bd22109dc71b5ed533a"}) syz_usb_control_io$lan78xx(0xffffffffffffffff, 0x0, &(0x7f0000000340)={0x34, &(0x7f0000000100)={0x0, 0x3, 0x1, '7'}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac2(0xffffffffffffffff, 0x0, &(0x7f0000000bc0)={0x44, &(0x7f0000000900)=ANY=[@ANYBLOB="e01506"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi1\x00', 0x20043, 0x0) syz_usb_control_io$uac1(0xffffffffffffffff, &(0x7f0000000500)={0x14, &(0x7f0000000200)={0x20, 0x2, 0x66, {0x66, 0x21, "a26c5dad3dff284e043b783624dbf49d52ab715f415b5167282c355f2376d81b59713ab1044d86946ca2b98f33f1932193e8261c7e791d0b30bb6b7222c7b4e9961cd886fd3e2d0a560e7c7cbb95242d879f8a249fdc2df46dfa1c5a86561cd91f960aba"}}, &(0x7f0000000380)={0x0, 0x3, 0xb7, @string={0xb7, 0x3, "e120f7a2bd5b23a18968becab4a0c6af5be5596b95059bbaa09b0e1734158657367e98417e52e53d3635057d7c44d619d5a253ac260e19540bb2158ca17602da646560469fc2e1dd24cbcac07fd4022992c628f16595e8225749cba8712ac02d9890e06b900b5009c1d6c153a9afd444b38b1f00139a75c5823a03d4f304370ff0109d437c01ce1c4f6205ba2e138350d77920abaf5089b29a438ac330a0ee019b171fcc4139f54851c73b9f4c370f82249bb35b4f"}}}, &(0x7f00000007c0)={0x44, &(0x7f0000000540)={0x40, 0x1, 0x93, "39b95923dd9336e67bfc69a42680d6b52b2edc5d3b1e9d26b7b839928b65d863898ba7b1cc42af56fedd6a6bfac8bfce40e02a208d0cb921cc754ab688a64e5fa08f02077c69bf90a57ecace28106585637794399cc119141dac5c19c90b2993112ff8a3e9c33c7512b7dfb7f8d53a8890e2e8862746f77d0014560947ec6df1ad349628f810ac4f0326853612b32a3a7d74ef"}, &(0x7f0000000600)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000640)={0x0, 0x8, 0x1, 0x37}, &(0x7f0000000680)={0x20, 0x81, 0x1, '('}, &(0x7f00000006c0)={0x20, 0x82, 0x1, "c1"}, &(0x7f0000000700)={0x20, 0x83, 0x1, "7f"}, &(0x7f0000000740)={0x20, 0x84, 0x4, "1476a1e6"}, &(0x7f0000000780)={0x20, 0x85, 0x3, "a1e03e"}}) ioctl$COMEDI_DEVCONFIG(r4, 0x40946400, &(0x7f0000000140)={'8255\x00', [0x9000, 0x1, 0xa1a, 0x4, 0x4, 0x800afa3, 0x0, 0x8, 0x5857, 0x2, 0x7, 0x9, 0x4001, 0x7, 0x6, 0x501, 0x20, 0x4, 0x2, 0xa, 0x8, 0xcaa2, 0x3, 0x0, 0x2, 0xe69, 0x2, 0x4, 0x4086, 0x0, 0x7]}) program did not crash program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_DEBUGREGS detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_DEBUGREGS(r2, 0x4080aea2, 0x0) (fail_nth: 1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_DEBUGREGS detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_DEBUGREGS(r2, 0x4080aea2, 0x0) (fail_nth: 1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-pselect6-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-socket$nl_xfrm-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create1(0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000180)) pselect6(0x40, &(0x7f0000000100)={0x0, 0x3, 0x0, 0x1, 0x800}, 0x0, &(0x7f0000000240)={0x1f, 0x3}, 0x0, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)={0x80000001}) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000040)={0x20000014}) (fail_nth: 1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-pselect6-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-socket$nl_xfrm-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create1(0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000180)) pselect6(0x40, &(0x7f0000000100)={0x0, 0x3, 0x0, 0x1, 0x800}, 0x0, &(0x7f0000000240)={0x1f, 0x3}, 0x0, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)={0x80000001}) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000040)={0x20000014}) (fail_nth: 1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f0000000000)) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x16, 0xe, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000340), 0x10}, 0x94) program crashed: INFO: task hung in do_epoll_ctl_file single: successfully extracted reproducer found reproducer with 16 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r4}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000001c40)={0x14, 0x10, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000", @ANYRES32, @ANYBLOB="0000000000000000b7020000010000008500000086000000181100", @ANYRES32=r3, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000030000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r5 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000a40)={{r3}, &(0x7f00000009c0), &(0x7f0000000a00)}, 0x20) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r4 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-close-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) close(0xffffffffffffffff) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$PROG_LOAD-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-bpf$MAP_CREATE-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000840)=@base={0xa, 0x5, 0x2, 0x4}, 0x48) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000040)) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, 0xffffffffffffffff, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, 0xffffffffffffffff, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000040)) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, 0xffffffffffffffff, &(0x7f0000000040)) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, 0xffffffffffffffff, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD program crashed: INFO: task hung in do_epoll_ctl_file testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create-epoll_create-epoll_create1-close-bpf$MAP_CREATE-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create(0x7) r1 = epoll_create(0x7) r2 = epoll_create1(0x0) close(0x3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0x10001, 0x9, 0x1, 0xffffffffffffffff, 0xfffffffc}, 0x50) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000100)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000140)={0x60000000}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000000)) program crashed: INFO: task hung in do_epoll_ctl_file validation run: crashed=true reproducing took 3h17m20.302712096s repro crashed as (corrupted=false): INFO: tas[ 358.361221][ T39] INFO: task syz.1.18:6030 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:26808 pid:6030 tgid:6030 ppid:5779 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa0ef9ece59 RSP: 002b:00007ffe81e0f328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007fa0efc65fa0 RCX: 00007fa0ef9ece59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fa0efa82d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa0efc65fac R14: 00007fa0efc65fa0 R15: 00007fa0efc65fa0 INFO: task syz.2.19:6031 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.19 state:D stack:26808 pid:6031 tgid:6031 ppid:5786 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4ea623ce59 RSP: 002b:00007ffc16d0ea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f4ea64b5fa0 RCX: 00007f4ea623ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f4ea62d2d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4ea64b5fac R14: 00007f4ea64b5fa0 R15: 00007f4ea64b5fa0 INFO: task syz.0.17:6032 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:26808 pid:6032 tgid:6032 ppid:5782 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5b492ce59 RSP: 002b:00007ffcdf2d99c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007fc5b4ba5fa0 RCX: 00007fc5b492ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fc5b49c2d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc5b4ba5fac R14: 00007fc5b4ba5fa0 R15: 00007fc5b4ba5fa0 INFO: task syz.4.21:6033 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.21 state:D stack:26808 pid:6033 tgid:6033 ppid:5790 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f07c9ce59 RSP: 002b:00007ffc9dc2e578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f3f07f15fa0 RCX: 00007f3f07c9ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f3f07d32d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3f07f15fac R14: 00007f3f07f15fa0 R15: 00007f3f07f15fa0 Showing all locks held in the system: 6 locks held by ktimers/1/30: #0: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #1: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: timer_base_lock_expiry kernel/time/timer.c:1502 [inline] #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: __run_timer_base+0x120/0x9f0 kernel/time/timer.c:2384 #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57 #4: ffffc90000a4fa80 ((&ndev->rs_timer)){+...}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745 #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x215/0x1670 net/ipv6/ndisc.c:482 1 lock held by khungtaskd/39: #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6777 8 locks held by kworker/u8:4/67: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc9000152fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880626608d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880626608d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #4: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #5: ffff888062660228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline] #5: ffff888062660228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xbbf/0x1b80 net/wireless/scan.c:2367 #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57 #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1181 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xa6/0x2550 arch/x86/kernel/unwind_orc.c:495 6 locks held by kworker/u8:7/405: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc9000419fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880566c08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880566c08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #4: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #5: ffff8880566c0228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline] #5: ffff8880566c0228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_put_bss+0x5b/0x270 net/wireless/scan.c:3347 4 locks held by kworker/u8:8/1024: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc90005c67c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880634908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880634908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 2 locks held by getty/5375: #0: ffff8880361670a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90003cc62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0 drivers/tty/n_tty.c:2211 2 locks held by syz.3.20/6016: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2573 [inline] #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: do_epoll_ctl_file+0xc69/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.18/6030: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.2.19/6031: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.0.17/6032: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.4.21/6033: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.5.22/6168: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.6.23/6240: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.7.24/6241: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.8.25/6245: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.9.26/6246: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.3.27/6289: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.28/6406: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.2.29/6467: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.0.30/6476: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.4.31/6481: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.5.32/6482: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.6.33/6535: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.7.34/6704: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.8.35/6724: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.9.36/6735: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.3.37/6737: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.38/6739: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 2 locks held by syz-executor/6744: #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0x1bb0 net/core/rtnetlink.c:4122 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:119 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd3/0x1030 kernel/hung_task.c:561 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:rdtsc_ordered arch/x86/include/asm/tsc.h:57 [inline] RIP: 0010:delay_tsc+0x71/0xc0 arch/x86/lib/delay.c:72 Code: 00 00 e8 b2 4a 68 f6 65 8b 05 eb c5 47 07 85 c0 74 1c f3 90 bf 01 00 00 00 e8 fb 48 68 f6 e8 76 86 01 00 39 c5 75 0e 0f 01 f9 <66> 90 eb bd e8 f6 c0 07 f6 eb dd 4c 29 fb e8 5c 86 01 00 89 c5 0f RSP: 0018:ffffc900001679d0 EFLAGS: 00000246 RAX: 00000000499b963d RBX: 0000000000000899 RCX: 0000000000000001 RDX: 00000000000000ba RSI: ffffffff8ba9cd60 RDI: ffffffff8ba9cd20 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8b2b79f0 R12: 1ffffffff3374446 R13: 00000000ffffffff R14: 000000ba499b91db R15: 000000000000038d FS: 0000000000000000(0000) GS:ffff888125fec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc83a6dee9c CR3: 00000000352e2000 CR4: 00000000003526f0 Call Trace: udelay include/asm-generic/delay.h:62 [inline] wait_for_lsr+0x166/0x2f0 drivers/tty/serial/8250/8250_port.c:1981 serial8250_fifo_wait_for_lsr_thre drivers/tty/serial/8250/8250_port.c:3212 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3277 [inline] serial8250_console_write+0x11c9/0x1b90 drivers/tty/serial/8250/8250_port.c:3362 console_emit_next_record kernel/printk/printk.c:3163 [inline] console_flush_one_record+0x68b/0xb90 kernel/printk/printk.c:3269 legacy_kthread_func+0x1b6/0x250 kernel/printk/printk.c:3712 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): INFO: tas[ 358.361221][ T39] INFO: task syz.1.18:6030 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:26808 pid:6030 tgid:6030 ppid:5779 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa0ef9ece59 RSP: 002b:00007ffe81e0f328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007fa0efc65fa0 RCX: 00007fa0ef9ece59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fa0efa82d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa0efc65fac R14: 00007fa0efc65fa0 R15: 00007fa0efc65fa0 INFO: task syz.2.19:6031 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.19 state:D stack:26808 pid:6031 tgid:6031 ppid:5786 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4ea623ce59 RSP: 002b:00007ffc16d0ea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f4ea64b5fa0 RCX: 00007f4ea623ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f4ea62d2d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4ea64b5fac R14: 00007f4ea64b5fa0 R15: 00007f4ea64b5fa0 INFO: task syz.0.17:6032 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:26808 pid:6032 tgid:6032 ppid:5782 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5b492ce59 RSP: 002b:00007ffcdf2d99c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007fc5b4ba5fa0 RCX: 00007fc5b492ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fc5b49c2d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc5b4ba5fac R14: 00007fc5b4ba5fa0 R15: 00007fc5b4ba5fa0 INFO: task syz.4.21:6033 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.21 state:D stack:26808 pid:6033 tgid:6033 ppid:5790 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5402 [inline] __schedule+0x16f9/0x5500 kernel/sched/core.c:7204 __schedule_loop kernel/sched/core.c:7283 [inline] rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7579 rt_mutex_slowlock_block+0x508/0x680 kernel/locking/rtmutex.c:1666 __rt_mutex_slowlock kernel/locking/rtmutex.c:1743 [inline] __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1783 [inline] rt_mutex_slowlock+0x2dc/0x780 kernel/locking/rtmutex.c:1823 __rt_mutex_lock kernel/locking/rtmutex.c:1838 [inline] __mutex_lock_common kernel/locking/rtmutex_api.c:560 [inline] mutex_lock_nested+0x168/0x1d0 kernel/locking/rtmutex_api.c:578 epoll_mutex_lock fs/eventpoll.c:2512 [inline] ep_ctl_lock fs/eventpoll.c:2559 [inline] do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 do_epoll_ctl fs/eventpoll.c:2698 [inline] __do_sys_epoll_ctl fs/eventpoll.c:2715 [inline] __se_sys_epoll_ctl+0x14e/0x210 fs/eventpoll.c:2706 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f07c9ce59 RSP: 002b:00007ffc9dc2e578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f3f07f15fa0 RCX: 00007f3f07c9ce59 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007f3f07d32d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3f07f15fac R14: 00007f3f07f15fa0 R15: 00007f3f07f15fa0 Showing all locks held in the system: 6 locks held by ktimers/1/30: #0: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #1: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline] #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: timer_base_lock_expiry kernel/time/timer.c:1502 [inline] #2: ffff8880b8726220 (&base->expiry_lock){+...}-{3:3}, at: __run_timer_base+0x120/0x9f0 kernel/time/timer.c:2384 #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #3: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57 #4: ffffc90000a4fa80 ((&ndev->rs_timer)){+...}-{0:0}, at: call_timer_fn+0xd4/0x5e0 kernel/time/timer.c:1745 #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #5: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x215/0x1670 net/ipv6/ndisc.c:482 1 lock held by khungtaskd/39: #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6777 8 locks held by kworker/u8:4/67: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc9000152fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880626608d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880626608d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #4: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #5: ffff888062660228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline] #5: ffff888062660228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xbbf/0x1b80 net/wireless/scan.c:2367 #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline] #6: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57 #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1181 [inline] #7: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xa6/0x2550 arch/x86/kernel/unwind_orc.c:495 6 locks held by kworker/u8:7/405: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc9000419fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880566c08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880566c08d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #4: ffffffff8dfcabc0 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 #5: ffff8880566c0228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline] #5: ffff8880566c0228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_put_bss+0x5b/0x270 net/wireless/scan.c:3347 4 locks held by kworker/u8:8/1024: #0: ffff88813fe84138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x897/0x1630 kernel/workqueue.c:3293 #1: ffffc90005c67c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x8be/0x1630 kernel/workqueue.c:3294 #2: ffff8880634908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6885 [inline] #2: ffff8880634908d8 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x460 net/wireless/core.c:524 #3: ffffffff8de61600 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 kernel/softirq.c:163 2 locks held by getty/5375: #0: ffff8880361670a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90003cc62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0 drivers/tty/n_tty.c:2211 2 locks held by syz.3.20/6016: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2573 [inline] #1: ffff888028754058 (&ep->mtx){+.+.}-{4:4}, at: do_epoll_ctl_file+0xc69/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.18/6030: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.2.19/6031: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.0.17/6032: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.4.21/6033: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.5.22/6168: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.6.23/6240: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.7.24/6241: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.8.25/6245: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.9.26/6246: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.3.27/6289: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.28/6406: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.2.29/6467: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.0.30/6476: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.4.31/6481: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.5.32/6482: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.6.33/6535: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.7.34/6704: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.8.35/6724: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.9.36/6735: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.3.37/6737: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 1 lock held by syz.1.38/6739: #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: epoll_mutex_lock fs/eventpoll.c:2512 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: ep_ctl_lock fs/eventpoll.c:2559 [inline] #0: ffffffff8e157958 (epnested_mutex){+.+.}-{4:4}, at: do_epoll_ctl_file+0x9d1/0xed0 fs/eventpoll.c:2636 2 locks held by syz-executor/6744: #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8eae37a8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250 net/core/rtnetlink.c:570 #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffffffff8f37fa78 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0x1bb0 net/core/rtnetlink.c:4122 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:119 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd3/0x1030 kernel/hung_task.c:561 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:rdtsc_ordered arch/x86/include/asm/tsc.h:57 [inline] RIP: 0010:delay_tsc+0x71/0xc0 arch/x86/lib/delay.c:72 Code: 00 00 e8 b2 4a 68 f6 65 8b 05 eb c5 47 07 85 c0 74 1c f3 90 bf 01 00 00 00 e8 fb 48 68 f6 e8 76 86 01 00 39 c5 75 0e 0f 01 f9 <66> 90 eb bd e8 f6 c0 07 f6 eb dd 4c 29 fb e8 5c 86 01 00 89 c5 0f RSP: 0018:ffffc900001679d0 EFLAGS: 00000246 RAX: 00000000499b963d RBX: 0000000000000899 RCX: 0000000000000001 RDX: 00000000000000ba RSI: ffffffff8ba9cd60 RDI: ffffffff8ba9cd20 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8b2b79f0 R12: 1ffffffff3374446 R13: 00000000ffffffff R14: 000000ba499b91db R15: 000000000000038d FS: 0000000000000000(0000) GS:ffff888125fec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc83a6dee9c CR3: 00000000352e2000 CR4: 00000000003526f0 Call Trace: udelay include/asm-generic/delay.h:62 [inline] wait_for_lsr+0x166/0x2f0 drivers/tty/serial/8250/8250_port.c:1981 serial8250_fifo_wait_for_lsr_thre drivers/tty/serial/8250/8250_port.c:3212 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3277 [inline] serial8250_console_write+0x11c9/0x1b90 drivers/tty/serial/8250/8250_port.c:3362 console_emit_next_record kernel/printk/printk.c:3163 [inline] console_flush_one_record+0x68b/0xb90 kernel/printk/printk.c:3269 legacy_kthread_func+0x1b6/0x250 kernel/printk/printk.c:3712 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245