Extracting prog: 35m50.696502169s Minimizing prog: 1h26m13.8478635s Simplifying prog options: 14m39.337812228s Extracting C: 5m11.492959143s Simplifying C: 0s extracting reproducer from 44 programs testing a last program of every proc single: executing 9 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-prctl$PR_SET_SECCOMP-sendmsg$IPSET_CMD_GET_BYINDEX-ioctl$SNDRV_PCM_IOCTL_HW_PARAMS-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-syz_open_dev$sndpcmc-openat$dlm_plock-pselect6-recvmmsg$unix-connect$inet-dup-timer_create-write$6lowpan_enable-socket$can_j1939-getsockopt$SO_J1939_SEND_PRIO-socket$nl_route-sendmsg$nl_route-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-madvise-add_key$keyring-keyctl$unlink-socket$kcm-socket$xdp-setsockopt$XDP_UMEM_REG-ioctl$UFFDIO_COPY detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x10}, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f0000002f80)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000002f40)={&(0x7f0000000ec0)=ANY=[@ANYBLOB="540000000f06010100000000000000000500000706000b000300000005030000070000000500010007000000050001000700000005000100070000000500010007000000050001000700000006000b0003000000b5"], 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0x4010) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(0xffffffffffffffff, 0xc25c4111, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000032c0), 0x101000, 0x0) pselect6(0x40, &(0x7f0000000100), 0x0, &(0x7f0000000240)={0x80001f}, 0x0, 0x0) recvmmsg$unix(r2, &(0x7f0000002c40)=[{{&(0x7f0000000140), 0x6e, &(0x7f0000000300)=[{&(0x7f00000001c0)=""/56, 0x38}, {&(0x7f0000000280)=""/112, 0x70}], 0x2, &(0x7f0000000340)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x60}}, {{&(0x7f00000003c0), 0x6e, &(0x7f0000000600)=[{&(0x7f0000000440)=""/41, 0x29}, {&(0x7f0000000480)=""/32, 0x20}, {&(0x7f00000004c0)=""/213, 0xd5}, {&(0x7f00000005c0)=""/41, 0x29}], 0x4, &(0x7f0000000640)=[@cred={{0x1c}}], 0x20}}, {{&(0x7f0000000680), 0x6e, &(0x7f0000002e80)=[{&(0x7f0000000940)=""/77, 0x4d}], 0x1, &(0x7f00000007c0)=[@rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x90}}, {{&(0x7f0000000700), 0x6e, &(0x7f0000000a40)=[{&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000001600)=""/82, 0x52}, {&(0x7f00000009c0)}, {&(0x7f0000000a00)=""/58, 0x3a}], 0x4}}, {{&(0x7f0000000a80), 0x6e, &(0x7f0000001040)=[{&(0x7f0000000b00)=""/86, 0x56}, {&(0x7f0000000b80)=""/230, 0xe6}, {&(0x7f0000000c80)=""/170, 0xaa}, {&(0x7f0000000d40)=""/209, 0xd1}, {&(0x7f0000000e40)=""/91, 0x5b}, {&(0x7f0000000880)=""/92, 0x5c}, {&(0x7f0000000f40)=""/133, 0x85}, {&(0x7f0000001000)=""/63, 0x3f}], 0x8, &(0x7f00000010c0)}}, {{&(0x7f0000001180), 0x6e, &(0x7f0000001580)=[{&(0x7f0000001200)=""/3, 0x3}, {&(0x7f0000001240)=""/129, 0x81}, {&(0x7f0000001300)=""/108, 0x6c}, {&(0x7f0000001380)=""/197, 0xc5}, {&(0x7f0000001480)=""/223, 0xdf}], 0x5, &(0x7f00000010c0)=[@cred={{0x1c}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x88}}, {{&(0x7f0000001680)=@abs, 0x6e, &(0x7f0000002b00)=[{&(0x7f0000001700)=""/245, 0xf5}, {&(0x7f0000001800)=""/92, 0x5c}, {&(0x7f0000001880)=""/96, 0x60}, {&(0x7f0000001900)=""/165, 0xa5}, {&(0x7f00000019c0)=""/4096, 0x1000}, {&(0x7f00000029c0)=""/219, 0xdb}, {&(0x7f0000002ac0)=""/40, 0x28}], 0x7, &(0x7f0000002b80)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0}}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xc0}}], 0x7, 0x2160, &(0x7f0000002e00)={0x0, 0x989680}) connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r4 = dup(r1) timer_create(0x2, &(0x7f00000009c0)={0x0, 0x2d, 0x1, @tid=r3}, &(0x7f0000002e40)) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) r5 = socket$can_j1939(0x1d, 0x2, 0x7) getsockopt$SO_J1939_SEND_PRIO(r5, 0x6b, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r6 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="00000000000000001400128009000100766574680000000004000280080003"], 0x48}}, 0x0) r7 = userfaultfd(0x80001) ioctl$UFFDIO_API(r7, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r7, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000ffd000/0x3000)=nil, 0x3000}, 0x1}) madvise(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x19) r8 = add_key$keyring(&(0x7f0000000040), &(0x7f0000000080)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$unlink(0x9, 0x0, r8) socket$kcm(0x29, 0x5, 0x0) r9 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r9, 0x11b, 0x4, &(0x7f0000000080)={&(0x7f0000000000)=""/59, 0x325000, 0x800}, 0x1c) ioctl$UFFDIO_COPY(r7, 0xc028aa05, &(0x7f0000000040)={&(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000000/0x3000)=nil, 0x3000}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$NFT_BATCH-prctl$PR_SET_SECCOMP-sendmsg$IPSET_CMD_GET_BYINDEX-ioctl$SNDRV_PCM_IOCTL_HW_PARAMS-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-syz_open_dev$sndpcmc-openat$dlm_plock-pselect6-recvmmsg$unix-connect$inet-dup-timer_create-write$6lowpan_enable-socket$can_j1939-getsockopt$SO_J1939_SEND_PRIO-socket$nl_route-sendmsg$nl_route-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-madvise-add_key$keyring-keyctl$unlink-socket$kcm-socket$xdp-setsockopt$XDP_UMEM_REG-ioctl$UFFDIO_COPY detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x10}, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) sendmsg$IPSET_CMD_GET_BYINDEX(r0, &(0x7f0000002f80)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000002f40)={&(0x7f0000000ec0)=ANY=[@ANYBLOB="540000000f06010100000000000000000500000706000b000300000005030000070000000500010007000000050001000700000005000100070000000500010007000000050001000700000006000b0003000000b5"], 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0x4010) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(0xffffffffffffffff, 0xc25c4111, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101) syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000032c0), 0x101000, 0x0) pselect6(0x40, &(0x7f0000000100), 0x0, &(0x7f0000000240)={0x80001f}, 0x0, 0x0) recvmmsg$unix(r2, &(0x7f0000002c40)=[{{&(0x7f0000000140), 0x6e, &(0x7f0000000300)=[{&(0x7f00000001c0)=""/56, 0x38}, {&(0x7f0000000280)=""/112, 0x70}], 0x2, &(0x7f0000000340)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x60}}, {{&(0x7f00000003c0), 0x6e, &(0x7f0000000600)=[{&(0x7f0000000440)=""/41, 0x29}, {&(0x7f0000000480)=""/32, 0x20}, {&(0x7f00000004c0)=""/213, 0xd5}, {&(0x7f00000005c0)=""/41, 0x29}], 0x4, &(0x7f0000000640)=[@cred={{0x1c}}], 0x20}}, {{&(0x7f0000000680), 0x6e, &(0x7f0000002e80)=[{&(0x7f0000000940)=""/77, 0x4d}], 0x1, &(0x7f00000007c0)=[@rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x90}}, {{&(0x7f0000000700), 0x6e, &(0x7f0000000a40)=[{&(0x7f0000000900)=""/55, 0x37}, {&(0x7f0000001600)=""/82, 0x52}, {&(0x7f00000009c0)}, {&(0x7f0000000a00)=""/58, 0x3a}], 0x4}}, {{&(0x7f0000000a80), 0x6e, &(0x7f0000001040)=[{&(0x7f0000000b00)=""/86, 0x56}, {&(0x7f0000000b80)=""/230, 0xe6}, {&(0x7f0000000c80)=""/170, 0xaa}, {&(0x7f0000000d40)=""/209, 0xd1}, {&(0x7f0000000e40)=""/91, 0x5b}, {&(0x7f0000000880)=""/92, 0x5c}, {&(0x7f0000000f40)=""/133, 0x85}, {&(0x7f0000001000)=""/63, 0x3f}], 0x8, &(0x7f00000010c0)}}, {{&(0x7f0000001180), 0x6e, &(0x7f0000001580)=[{&(0x7f0000001200)=""/3, 0x3}, {&(0x7f0000001240)=""/129, 0x81}, {&(0x7f0000001300)=""/108, 0x6c}, {&(0x7f0000001380)=""/197, 0xc5}, {&(0x7f0000001480)=""/223, 0xdf}], 0x5, &(0x7f00000010c0)=[@cred={{0x1c}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x88}}, {{&(0x7f0000001680)=@abs, 0x6e, &(0x7f0000002b00)=[{&(0x7f0000001700)=""/245, 0xf5}, {&(0x7f0000001800)=""/92, 0x5c}, {&(0x7f0000001880)=""/96, 0x60}, {&(0x7f0000001900)=""/165, 0xa5}, {&(0x7f00000019c0)=""/4096, 0x1000}, {&(0x7f00000029c0)=""/219, 0xdb}, {&(0x7f0000002ac0)=""/40, 0x28}], 0x7, &(0x7f0000002b80)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0}}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xc0}}], 0x7, 0x2160, &(0x7f0000002e00)={0x0, 0x989680}) connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r4 = dup(r1) timer_create(0x2, &(0x7f00000009c0)={0x0, 0x2d, 0x1, @tid=r3}, &(0x7f0000002e40)) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) r5 = socket$can_j1939(0x1d, 0x2, 0x7) getsockopt$SO_J1939_SEND_PRIO(r5, 0x6b, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r6 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="00000000000000001400128009000100766574680000000004000280080003"], 0x48}}, 0x0) r7 = userfaultfd(0x80001) ioctl$UFFDIO_API(r7, 0xc018aa3f, &(0x7f00000000c0)) ioctl$UFFDIO_REGISTER(r7, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000ffd000/0x3000)=nil, 0x3000}, 0x1}) madvise(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x19) r8 = add_key$keyring(&(0x7f0000000040), &(0x7f0000000080)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$unlink(0x9, 0x0, r8) socket$kcm(0x29, 0x5, 0x0) r9 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r9, 0x11b, 0x4, &(0x7f0000000080)={&(0x7f0000000000)=""/59, 0x325000, 0x800}, 0x1c) ioctl$UFFDIO_COPY(r7, 0xc028aa05, &(0x7f0000000040)={&(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000000/0x3000)=nil, 0x3000}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-socket$packet-ioctl$KVM_CREATE_VM-prlimit64-bpf$PROG_LOAD_XDP-sched_setscheduler-sched_setscheduler-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sched_setaffinity-syz_open_dev$MSR-read$msr-open-socket$inet6_udp-socket$pppl2tp-connect$pppl2tp-socket$inet_udp-connect$pppl2tp-close_range-syz_open_dev$dri-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-syz_open_dev$ndb-socketpair$nbd-fallocate-ioctl$NBD_SET_SOCK-sendmsg$NBD_CMD_DISCONNECT-sched_setaffinity-openat$binder_debug-preadv detailed listing: executing program 0: socket$inet(0x2, 0x3, 0x6) socket$packet(0x11, 0x2, 0x300) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x7, 0x4, 0x0, &(0x7f0000000000)='GPL\x00', 0x4, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x5) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r1}, 0x10) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x400000bce) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = open(&(0x7f0000000000)='./file0\x00', 0x80140, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r4 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r4, &(0x7f0000000440)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0x4, 0x2, 0x0, {0xa, 0x4e22, 0x32ffff, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x81ce}}}, 0x3a) r5 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r3, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r5, 0x101, 0x3, 0x0, 0x0, {0xa, 0x0, 0x4, @local, 0xcb}}}, 0x32) close_range(r3, 0xffffffffffffffff, 0x0) syz_open_dev$dri(0x0, 0x0, 0x200941) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) r8 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) fallocate(r0, 0x48, 0xffffffffffffff26, 0x100000001) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x700, &(0x7f0000000180)={&(0x7f0000000400)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r7, @ANYBLOB="01000000000000000000020000000800010000000000c961277aace69b421a7075c88632167d3686489ec2fb97ef54"], 0x1c}}, 0x0) sched_setaffinity(0x0, 0xfffffef7, &(0x7f0000000740)=0x410000002) r10 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) preadv(r10, &(0x7f00000000c0)=[{&(0x7f0000000300)=""/236, 0xec}], 0x1, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt-sched_setscheduler-getpid-sched_setscheduler-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-bpf$BPF_RAW_TRACEPOINT_OPEN-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-gettid-timer_create-timer_settime-syz_init_net_socket$netrom-listen-setpgid-accept-fsopen-ppoll-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: setsockopt(0xffffffffffffffff, 0x84, 0x81, &(0x7f0000000280), 0x0) sched_setscheduler(0x0, 0x1, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r4 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x15) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0) r6 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r6}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) r7 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) listen(r7, 0x1ad72f7) setpgid(r6, r0) accept(r7, 0x0, 0x0) fsopen(0x0, 0x0) ppoll(&(0x7f0000000000)=[{r5, 0x8001}], 0x1, &(0x7f0000000440)={0x77359400}, &(0x7f0000000480)={[0x3ff]}, 0x8) r8 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000500)=ANY=[@ANYBLOB="18000000006900000000000001000000940000000fad413e850000000700000095"], &(0x7f0000000300)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00', r8}, 0x10) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$SNDCTL_DSP_SYNC-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-mkdirat-openat$fuse-mount$fuse-read$FUSE-write$FUSE_INIT-syz_fuse_handle_req-openat-getdents64-write$FUSE_NOTIFY_DELETE-syz_fuse_handle_req-sendmmsg$unix-recvmmsg-bpf$BPF_RAW_TRACEPOINT_OPEN-madvise-openat$procfs detailed listing: executing program 0: ioctl$SNDCTL_DSP_SYNC(0xffffffffffffffff, 0x5001, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000002100), 0x280449c, &(0x7f0000002140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x4000}}) read$FUSE(r2, &(0x7f00000093c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r2, &(0x7f0000004200)={0x50, 0x0, r3, {0x7, 0x1f, 0x0, 0x2066012}}, 0x50) syz_fuse_handle_req(r2, &(0x7f00000042c0)="000000000000000000000000000000000000000000000000000000000000000090c400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000542d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ea8286a2fba523440000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000633956a1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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0x2000, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006340)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = openat(0xffffffffffffff9c, &(0x7f0000004280)='./file0\x00', 0x0, 0x40) getdents64(r4, 0x0, 0x0) write$FUSE_NOTIFY_DELETE(r2, 0x0, 0x2a) syz_fuse_handle_req(r2, &(0x7f00000021c0)="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0x2000, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000001040)={0xb0, 0x0, 0x0, [{{0x200000000000, 0x0, 0x0, 0x2, 0x0, 0x0, {0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2, 0xc000, 0x0, 0x0, 0x0, 0x2000}}, {0x0, 0x0, 0x1, 0x0, '\x00'}}]}, 0x0, 0x0, 0x0}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) madvise(&(0x7f00000ec000/0x800000)=nil, 0x800000, 0x17) openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/bus/input/devices\x00', 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb-socket-socket$kcm-recvmsg$kcm-sendmsg$inet-socket$nl_netfilter detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socket(0x2c, 0x3, 0x0) r5 = socket$kcm(0x10, 0x2, 0x4) recvmsg$kcm(r5, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x100) sendmsg$inet(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000440)="5c00000014006b030231a6080c000af32c00000000f800250502000f00e5aa000017d34460bc24eab556bd05251e6182949a2756f475ce36c2d13b48df000000000000ecb8f6ec63c9f4d4938037e786a6d1bdd700e6657594f1817d", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) program crashed: INFO: task hung in bdev_open single: successfully extracted reproducer found reproducer with 15 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb-socket-socket$kcm-recvmsg$kcm-sendmsg$inet detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socket(0x2c, 0x3, 0x0) r5 = socket$kcm(0x10, 0x2, 0x4) recvmsg$kcm(r5, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x100) sendmsg$inet(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000440)="5c00000014006b030231a6080c000af32c00000000f800250502000f00e5aa000017d34460bc24eab556bd05251e6182949a2756f475ce36c2d13b48df000000000000ecb8f6ec63c9f4d4938037e786a6d1bdd700e6657594f1817d", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x0) program crashed: INFO: task hung in bdev_open testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb-socket-socket$kcm-recvmsg$kcm detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socket(0x2c, 0x3, 0x0) r5 = socket$kcm(0x10, 0x2, 0x4) recvmsg$kcm(r5, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x100) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb-socket-socket$kcm detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socket(0x2c, 0x3, 0x0) socket$kcm(0x10, 0x2, 0x4) program crashed: INFO: task hung in bdev_open testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb-socket detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) socket(0x2c, 0x3, 0x0) program crashed: INFO: task hung in bdev_open testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT-syz_open_dev$ndb detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) program crashed: INFO: task hung in bdev_open testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-syz_io_uring_submit detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) syz_io_uring_submit(r2, r3, &(0x7f0000000280)=@IORING_OP_READV=@pass_iovec={0x1, 0x40, 0x6000, @fd=r4, 0x81, &(0x7f0000000140)=[{&(0x7f0000000100)=""/36, 0x24}, {&(0x7f00000004c0)=""/255, 0xff}, {&(0x7f00000005c0)=""/246, 0xf6}, {&(0x7f0000000380)=""/97, 0x61}], 0x4, 0x1}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socketpair$nbd-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040)=0x0, &(0x7f00000000c0)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x80, &(0x7f0000000180)=0x800, 0x0, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-syz_io_uring_setup-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_io_uring_setup(0x48db, &(0x7f0000000200)={0x0, 0x18014d5, 0x100, 0x2, 0x2f6}, &(0x7f0000000040), &(0x7f00000000c0)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0xf) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT detailed listing: executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0xf) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) program crashed: INFO: task hung in bdev_release extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$ndb-ioctl$NBD_SET_SIZE_BLOCKS-syz_open_dev$ndb-socketpair$nbd-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT program crashed: no output from test machine a never seen crash title: no output from test machine, ignore reproducing took 2h21m55.471424469s repro crashed as (corrupted=false): INFO: task syz.0.16:5984 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:27120 pid:5984 tgid:5984 ppid:5936 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 bdev_release+0x15a/0x6d0 block/bdev.c:1086 blkdev_release+0x15/0x20 block/fops.c:635 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d22985d29 RSP: 002b:00007ffc80108708 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f9d22b77ba0 RCX: 00007f9d22985d29 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f9d22b77ba0 R08: 0000000000000000 R09: 00007ffc801089ff R10: 00007f9d22b77ac0 R11: 0000000000000246 R12: 000000000005664a R13: 00007ffc80108810 R14: 0000000000000032 R15: ffffffffffffffff INFO: task syz.0.16:5985 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:27824 pid:5985 tgid:5984 ppid:5936 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 bdev_release+0x15a/0x6d0 block/bdev.c:1086 blkdev_release+0x15/0x20 block/fops.c:635 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d22985d29 RSP: 002b:00007f9d23805038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f9d22b75fa0 RCX: 00007f9d22985d29 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 RBP: 00007f9d22a01b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9d22b75fa0 R15: 00007ffc801085a8 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744 4 locks held by kworker/u8:9/3570: #0: ffff8880b873ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598 #1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987 #2: ffffffff8e05ef50 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #3: ffffffff8e2dba48 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #3: ffffffff8e2dba48 (jump_label_mutex){+.+.}-{4:4}, at: static_key_disable_cpuslocked+0x10b/0x1c0 kernel/jump_label.c:238 2 locks held by getty/5572: #0: ffff88814d7da0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 1 lock held by udevd/5845: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/5846: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/5946: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.0.16/5984: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.0.16/5985: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.1.17/6000: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.1.17/6001: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 3 locks held by kworker/1:4/6002: 1 lock held by syz.2.18/6016: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.2.18/6017: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6021: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.3.19/6032: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.3.19/6033: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6037: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.4.20/6054: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.4.20/6056: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6060: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/6061: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.5.21/6078: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.5.21/6079: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6083: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.6.22/6100: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.6.22/6101: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6106: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.7.23/6123: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.7.23/6124: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.8.24/6151: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.8.24/6152: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6153: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.9.25/6173: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.9.25/6174: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xf14/0x1240 kernel/hung_task.c:397 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 3570 Comm: kworker/u8:9 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:__lock_acquire+0x2f0/0x3c40 kernel/locking/lockdep.c:5161 Code: 48 8b 84 24 30 01 00 00 49 89 47 08 49 8d 47 10 48 89 c2 48 89 44 24 50 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 70 2b 00 00 49 8d 47 18 4d 89 67 10 48 89 c2 48 89 44 24 48 RSP: 0018:ffffc9000d786e50 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 1ffff1100672b5fa RSI: 1ffff1100672b5f7 RDI: ffff88803395afc8 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000014 R11: 0000000000000003 R12: ffffffff9aa46bf8 R13: ffff88803395a440 R14: 0000000000000000 R15: ffff88803395afc0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555595c5c8 CR3: 0000000034e94000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 debug_object_activate+0x149/0x4a0 lib/debugobjects.c:818 debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline] kvfree_call_rcu+0x30/0xbe0 kernel/rcu/tree.c:3811 cfg80211_update_known_bss+0x3c0/0x11e0 net/wireless/scan.c:1892 __cfg80211_bss_update+0x1aa/0x2440 net/wireless/scan.c:1939 cfg80211_inform_single_bss_data+0x7b2/0x1df0 net/wireless/scan.c:2330 cfg80211_inform_bss_data+0x205/0x3ba0 net/wireless/scan.c:3189 cfg80211_inform_bss_frame_data+0x272/0x7a0 net/wireless/scan.c:3284 ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1101 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline] ieee80211_ibss_rx_queued_mgmt+0x189c/0x2f50 net/mac80211/ibss.c:1607 ieee80211_iface_process_skb net/mac80211/iface.c:1613 [inline] ieee80211_iface_work+0xc0b/0xf00 net/mac80211/iface.c:1667 cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 final repro crashed as (corrupted=false): INFO: task syz.0.16:5984 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:27120 pid:5984 tgid:5984 ppid:5936 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 bdev_release+0x15a/0x6d0 block/bdev.c:1086 blkdev_release+0x15/0x20 block/fops.c:635 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d22985d29 RSP: 002b:00007ffc80108708 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f9d22b77ba0 RCX: 00007f9d22985d29 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f9d22b77ba0 R08: 0000000000000000 R09: 00007ffc801089ff R10: 00007f9d22b77ac0 R11: 0000000000000246 R12: 000000000005664a R13: 00007ffc80108810 R14: 0000000000000032 R15: ffffffffffffffff INFO: task syz.0.16:5985 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:27824 pid:5985 tgid:5984 ppid:5936 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 bdev_release+0x15a/0x6d0 block/bdev.c:1086 blkdev_release+0x15/0x20 block/fops.c:635 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d22985d29 RSP: 002b:00007f9d23805038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f9d22b75fa0 RCX: 00007f9d22985d29 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000004 RBP: 00007f9d22a01b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9d22b75fa0 R15: 00007ffc801085a8 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744 4 locks held by kworker/u8:9/3570: #0: ffff8880b873ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598 #1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987 #2: ffffffff8e05ef50 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222 #3: ffffffff8e2dba48 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline] #3: ffffffff8e2dba48 (jump_label_mutex){+.+.}-{4:4}, at: static_key_disable_cpuslocked+0x10b/0x1c0 kernel/jump_label.c:238 2 locks held by getty/5572: #0: ffff88814d7da0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 1 lock held by udevd/5845: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/5846: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/5946: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.0.16/5984: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.0.16/5985: #0: ffff888142f234c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.1.17/6000: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.1.17/6001: #0: ffff88802600b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 3 locks held by kworker/1:4/6002: 1 lock held by syz.2.18/6016: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.2.18/6017: #0: ffff88802600f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6021: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.3.19/6032: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.3.19/6033: #0: ffff8880260e34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6037: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.4.20/6054: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.4.20/6056: #0: ffff8880260e74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6060: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by udevd/6061: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.5.21/6078: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.5.21/6079: #0: ffff88802610b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6083: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.6.22/6100: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.6.22/6101: #0: ffff88802610f4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6106: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.7.23/6123: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.7.23/6124: #0: ffff8880261b34c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.8.24/6151: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.8.24/6152: #0: ffff8880262634c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by udevd/6153: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:903 1 lock held by syz.9.25/6173: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 1 lock held by syz.9.25/6174: #0: ffff8880261b74c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1086 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xf14/0x1240 kernel/hung_task.c:397 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 3570 Comm: kworker/u8:9 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:__lock_acquire+0x2f0/0x3c40 kernel/locking/lockdep.c:5161 Code: 48 8b 84 24 30 01 00 00 49 89 47 08 49 8d 47 10 48 89 c2 48 89 44 24 50 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 70 2b 00 00 49 8d 47 18 4d 89 67 10 48 89 c2 48 89 44 24 48 RSP: 0018:ffffc9000d786e50 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 1ffff1100672b5fa RSI: 1ffff1100672b5f7 RDI: ffff88803395afc8 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000014 R11: 0000000000000003 R12: ffffffff9aa46bf8 R13: ffff88803395a440 R14: 0000000000000000 R15: ffff88803395afc0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555595c5c8 CR3: 0000000034e94000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 debug_object_activate+0x149/0x4a0 lib/debugobjects.c:818 debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline] kvfree_call_rcu+0x30/0xbe0 kernel/rcu/tree.c:3811 cfg80211_update_known_bss+0x3c0/0x11e0 net/wireless/scan.c:1892 __cfg80211_bss_update+0x1aa/0x2440 net/wireless/scan.c:1939 cfg80211_inform_single_bss_data+0x7b2/0x1df0 net/wireless/scan.c:2330 cfg80211_inform_bss_data+0x205/0x3ba0 net/wireless/scan.c:3189 cfg80211_inform_bss_frame_data+0x272/0x7a0 net/wireless/scan.c:3284 ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1101 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline] ieee80211_ibss_rx_queued_mgmt+0x189c/0x2f50 net/mac80211/ibss.c:1607 ieee80211_iface_process_skb net/mac80211/iface.c:1613 [inline] ieee80211_iface_work+0xc0b/0xf00 net/mac80211/iface.c:1667 cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244