Extracting prog: 20m9.935490795s
Minimizing prog: 17m7.02780168s
Simplifying prog options: 9m56.038588806s
Extracting C: 4m28.429652172s
Simplifying C: 0s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-syz_usb_connect$cdc_ncm-syz_usb_connect
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000080)=ANY=[@ANYBLOB="800021271e00000000000000ffffff000000", @ANYRES32=0x0, @ANYBLOB="0003000000000000140012800c"], 0x34}}, 0x0)
syz_usb_connect$cdc_ncm(0x4, 0xd1, &(0x7f0000000040)=ANY=[@ANYBLOB="12011003020000182505a1a44000010203010902bf0002010650000900000000020d00000524060001082400a9b30d240f010a0000000300ff000606241a05001407240a050905580c240c00000000a90c0900030424020204240200042402024424"], 0x0)
syz_usb_connect(0x3, 0xf5, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000772aed408680070bb96c010203010902e30003dc2000000904003f000e01000505a40600010524007f000d240f0104000000080000000006241a03000a05240101070424020a1524120009a317a88b045e4f01a607c0ffcb7e392a09044c03003a92a2010a240109000102010205240401050c2402"], 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-write$tun
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201})
write$tun(r0, &(0x7f0000000400)=ANY=[@ANYBLOB="000008000101"], 0x42)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=@newlink={0x28, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2b4}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0)
syz_emit_ethernet(0x7e, &(0x7f0000000280)={@local, @empty, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x70, 0x0, 0x0, 0x0, 0x1, 0x0, @rand_addr=0x64010100, @local}, @time_exceeded={0xb, 0x0, 0x0, 0x3, 0x2c, 0x0, {0x15, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x0, @private, @local, {[@lsrr={0x83, 0xb, 0x0, [@dev, @empty]}, @cipso={0x86, 0x32, 0x0, [{0x0, 0x5, "df6116"}, {0x0, 0x12, "ffd11634eea26b0faffa0dea2e903528"}, {0x0, 0x8, "02a20948fd74"}, {0x7, 0xd, "ccf0294e2a3bdb4aa40b24"}]}]}}}}}}}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$usbfs-mmap-mbind
detailed listing:
executing program 0:
r0 = syz_open_dev$usbfs(&(0x7f00000000c0), 0x201, 0x2)
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1000002, 0x11012, r0, 0x0)
mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8000, 0x0, 0x2, 0x3)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 30 programs with base timeout 30s
testing program (duration=37s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x3f, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x1e71, 0x2010, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x0, 0x0, 0x60, 0x2, [{{0x9, 0x4, 0x0, 0x10, 0x5, 0x3, 0x0, 0x6669cc1368519859, 0x0, {0x9, 0x21, 0x5, 0x36, 0x1, {0x22, 0x5}}, {{{0x9, 0x5, 0x81, 0x3, 0x0, 0xc, 0x0, 0x7}}, [{{0x9, 0x5, 0x2, 0x3, 0x20, 0x81, 0x8}}]}}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io(r0, &(0x7f0000000380)={0x2c, &(0x7f0000000100)=ANY=[@ANYBLOB="000457"], 0x0, 0x0, 0x0, 0x0}, 0x0)
executing program 2:
socketpair$unix(0x1, 0x2, 0x0, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f0000000040)=[{0x6, 0x0, 0x1, 0x7fff0000}]})
munlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000)
executing program 2:
r0 = syz_clone(0x111, 0x0, 0x0, 0x0, 0x0, 0x0)
wait4(r0, 0x0, 0x40000000, &(0x7f0000000080))
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4)
executing program 2:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000440)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000500)={0x1, 0x10, &(0x7f00000005c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x947}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@call={0x85, 0x0, 0x0, 0xd0}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x6, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r1, 0xfca804a0, 0x10, 0x38, &(0x7f00000002c0)="b800000500000000", &(0x7f0000000300)=""/8, 0x500, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x4c)
executing program 2:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000540)={{0x14}, [@NFT_MSG_NEWRULE={0x54, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x28, 0x4, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, @meta={{0x9}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_META_DREG={0x8}, @NFTA_META_KEY={0x8, 0x2, 0x1, 0x0, 0x1e}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14}}, 0x7c}}, 0x0)
executing program 1:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpu.stat\x00', 0x275a, 0x0)
mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0x10012, r0, 0x0)
ppoll(0x0, 0x0, &(0x7f0000000280)={0x0, 0x3938700}, 0x0, 0x0)
executing program 2:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_NEWRULE={0x6c, 0x6, 0xa, 0x401, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x40, 0x4, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, @exthdr={{0xb}, @val={0x2c, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_TYPE={0x5, 0x2, 0x1d}, @NFTA_EXTHDR_LEN={0x8, 0x4, 0x1, 0x0, 0x1}, @NFTA_EXTHDR_FLAGS={0x8, 0x6, 0x1, 0x0, 0x2}, @NFTA_EXTHDR_DREG={0x8, 0x1, 0x1, 0x0, 0x13}, @NFTA_EXTHDR_OFFSET={0x8, 0x3, 0x1, 0x0, 0x18}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14}}, 0x94}}, 0x0)
executing program 1:
r0 = socket$inet6(0xa, 0x1, 0x0)
setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000180)={{{@in=@private, @in6=@dev={0xfe, 0x80, '\x00', 0xfc}, 0x0, 0x0, 0x0, 0x0, 0x2}, {0x0, 0x0, 0x0, 0x3}, {}, 0x0, 0x0, 0x1, 0x1}, {{@in6=@ipv4={'\x00', '\xff\xff', @broadcast}, 0x0, 0x6c}, 0x0, @in6=@loopback, 0x0, 0x3, 0x0, 0x4}}, 0xe8)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @dev}}, 0x1c)
executing program 2:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)
executing program 1:
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='stat\x00')
io_setup(0x6, &(0x7f0000001380)=<r1=>0x0)
io_submit(r1, 0x1, &(0x7f0000000340)=[&(0x7f0000000100)={0x1000000, 0x0, 0x0, 0x5, 0x8001, r0, 0x0}])
executing program 1:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
sendmsg$NFT_BATCH(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)={{0x14}, [@NFT_MSG_NEWRULE={0x58, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x2c, 0x4, 0x0, 0x1, [{0x28, 0x1, 0x0, 0x1, @ct={{0x7}, @val={0x1c, 0x2, 0x0, 0x1, [@NFTA_CT_DREG={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_CT_KEY={0x8, 0x2, 0x1, 0x0, 0x8}, @NFTA_CT_DIRECTION={0x5}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14}}, 0x80}}, 0x8000)
executing program 1:
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000880), 0x2006c0, 0x0)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f0000000300)={r0}, 0x4)
executing program 3:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000001080), r0)
sendmsg$TIPC_NL_PEER_REMOVE(r0, &(0x7f00000014c0)={0x0, 0x0, &(0x7f0000001480)={&(0x7f00000006c0)=ANY=[@ANYBLOB='t\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000ffdbdf25140000000c00078008000200ff010000540007800c0003000500000000000000080002000f"], 0x74}, 0x1, 0x0, 0x0, 0x4000000}, 0x2008c890)
executing program 1:
r0 = syz_open_dev$usbfs(&(0x7f00000000c0), 0x201, 0x2)
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1000002, 0x11012, r0, 0x0)
mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8000, 0x0, 0x2, 0x3)
executing program 3:
r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$SNDCTL_SEQ_OUTOFBAND(r0, 0x40085112, &(0x7f0000000140)=@l={0x92, 0x0, 0xe0})
preadv(r0, &(0x7f0000000400)=[{&(0x7f0000000040)=""/185, 0xb9}], 0x1, 0x0, 0x0)
executing program 3:
r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, 0x0)
ioctl$VHOST_SET_VRING_ENDIAN(r0, 0x4008af13, &(0x7f0000000300))
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, 0x0, 0x0)
setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0xf, 0x4)
executing program 3:
r0 = creat(&(0x7f00000007c0)='./file0\x00', 0xfda7257525086ee8)
close(r0)
mount$fuse(0x0, &(0x7f0000000680)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000000740)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x2000}})
executing program 3:
mknod$loop(&(0x7f0000000140)='./file0\x00', 0xfff, 0x0)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
rename(&(0x7f0000000180)='./file0\x00', &(0x7f0000000440)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00')
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0xc, &(0x7f0000000040)=0x7f, 0x4)
sendmsg$netlink(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000b00)={0x1c, 0x5a, 0x30d, 0x0, 0x0, "", [@nested={0x4}, @nested={0x8, 0x3, 0x0, 0x1, [@generic="cff80291"]}]}, 0x1c}], 0x1}, 0x0)
executing program 3:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=@newlink={0x28, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2b4}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0)
syz_emit_ethernet(0x7e, &(0x7f0000000280)={@local, @empty, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x70, 0x0, 0x0, 0x0, 0x1, 0x0, @rand_addr=0x64010100, @local}, @time_exceeded={0xb, 0x0, 0x0, 0x3, 0x2c, 0x0, {0x15, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x0, @private, @local, {[@lsrr={0x83, 0xb, 0x0, [@dev, @empty]}, @cipso={0x86, 0x32, 0x0, [{0x0, 0x5, "df6116"}, {0x0, 0x12, "ffd11634eea26b0faffa0dea2e903528"}, {0x0, 0x8, "02a20948fd74"}, {0x7, 0xd, "ccf0294e2a3bdb4aa40b24"}]}]}}}}}}}, 0x0)
executing program 0:
r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x20802, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xd)
ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f0000000040))
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
setxattr$incfs_metadata(&(0x7f0000000340)='./file0\x00', &(0x7f0000000180), 0x0, 0x0, 0x0)
removexattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@known='user.incfs.metadata\x00')
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201})
write$tun(r0, &(0x7f0000000400)=ANY=[@ANYBLOB="000008000101"], 0x42)
executing program 4:
r0 = socket$kcm(0x10, 0x2, 0x10)
syz_io_uring_setup(0x4b6, &(0x7f0000000100)={0x0, 0xde23, 0x1, 0x0, 0x1a9}, 0x0, 0x0)
sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0xd18c9b25, &(0x7f0000000080)=[{&(0x7f0000000040)="e03f030041000b05d25a806c8c6394f90324fc60100000000a000200053582c137153e3704020180fc5409000c00", 0x33fe0}], 0x1}, 0x0)
executing program 4:
unshare(0x22020600)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2c0480)
fallocate(r0, 0x1, 0xffffffff, 0x1)
executing program 4:
syz_io_uring_setup(0x1114, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x2, 0x21e}, 0x0, 0x0)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a03000000000000000000070000000900010073797a30000000003c000000090a010400000000000000000700000008000a40000000000900020073797a31040000000900010073797a30000000000800054000000021380000001d0a03000000000000000000070000000900010073797a3000000000090002"], 0xbc}}, 0x48004)
executing program 4:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x10)
sendmsg$NFT_BATCH(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000a00000a88000000060a0b040000000000000000020000005c000480580001800a000100696e6e65720000004800028008000240000000840800034000edff06080004400000000f0800014000000000240005800c0001007061796c6f6164001400028008000340000000b908000240000000040900010073797a30000000000900020073797a32"], 0xb0}}, 0x0)
executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_GET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r1, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'ip6erspan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x81}, 0x20048004)
executing program 4:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000080)=ANY=[@ANYBLOB="800021271e00000000000000ffffff000000", @ANYRES32=0x0, @ANYBLOB="0003000000000000140012800c"], 0x34}}, 0x0)
syz_usb_connect$cdc_ncm(0x4, 0xd1, &(0x7f0000000040)=ANY=[@ANYBLOB="12011003020000182505a1a44000010203010902bf0002010650000900000000020d00000524060001082400a9b30d240f010a0000000300ff000606241a05001407240a050905580c240c00000000a90c0900030424020204240200042402024424"], 0x0)
syz_usb_connect(0x3, 0xf5, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000772aed408680070bb96c010203010902e30003dc2000000904003f000e01000505a40600010524007f000d240f0104000000080000000006241a03000a05240101070424020a1524120009a317a88b045e4f01a607c0ffcb7e392a09044c03003a92a2010a240109000102010205240401050c2402"], 0x0)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 5 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-syz_usb_connect$cdc_ncm-syz_usb_connect
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000080)=ANY=[@ANYBLOB="800021271e00000000000000ffffff000000", @ANYRES32=0x0, @ANYBLOB="0003000000000000140012800c"], 0x34}}, 0x0)
syz_usb_connect$cdc_ncm(0x4, 0xd1, &(0x7f0000000040)=ANY=[@ANYBLOB="12011003020000182505a1a44000010203010902bf0002010650000900000000020d00000524060001082400a9b30d240f010a0000000300ff000606241a05001407240a050905580c240c00000000a90c0900030424020204240200042402024424"], 0x0)
syz_usb_connect(0x3, 0xf5, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000772aed408680070bb96c010203010902e30003dc2000000904003f000e01000505a40600010524007f000d240f0104000000080000000006241a03000a05240101070424020a1524120009a317a88b045e4f01a607c0ffcb7e392a09044c03003a92a2010a240109000102010205240401050c2402"], 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-write$tun
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201})
write$tun(r0, &(0x7f0000000400)=ANY=[@ANYBLOB="000008000101"], 0x42)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=@newlink={0x28, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2b4}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0)
syz_emit_ethernet(0x7e, &(0x7f0000000280)={@local, @empty, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x70, 0x0, 0x0, 0x0, 0x1, 0x0, @rand_addr=0x64010100, @local}, @time_exceeded={0xb, 0x0, 0x0, 0x3, 0x2c, 0x0, {0x15, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x89, 0x0, @private, @local, {[@lsrr={0x83, 0xb, 0x0, [@dev, @empty]}, @cipso={0x86, 0x32, 0x0, [{0x0, 0x5, "df6116"}, {0x0, 0x12, "ffd11634eea26b0faffa0dea2e903528"}, {0x0, 0x8, "02a20948fd74"}, {0x7, 0xd, "ccf0294e2a3bdb4aa40b24"}]}]}}}}}}}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$usbfs-mmap-mbind
detailed listing:
executing program 0:
r0 = syz_open_dev$usbfs(&(0x7f00000000c0), 0x201, 0x2)
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1000002, 0x11012, r0, 0x0)
mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8000, 0x0, 0x2, 0x3)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program crashed: WARNING in kernfs_get
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)

program did not crash
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_usb_disconnect(0xffffffffffffffff)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x0, 0x0, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
program did not crash
simplifying guilty program options
testing program (duration=2m42.260218333s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=2m42.260218333s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
testing program (duration=2m42.260218333s, {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_usb_connect-syz_usb_disconnect-syz_usb_connect$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xa, 0x86, 0xf3, 0x40, 0x1110, 0x9024, 0xdb24, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0xe9, 0x50, 0x9, [{{0x9, 0x4, 0x62, 0x4, 0x0, 0x6f, 0x6f, 0x49, 0x5}}]}}]}}, 0x0)
syz_usb_disconnect(r0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10, 0x6161, 0x4d15, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x4f8}}}}]}}]}}, 0x0)

program did not crash
reproducing took 51m41.431565887s
repro crashed as (corrupted=false):
usb 4-1: Direct firmware load for ueagle-atm/eagleII.fw failed with error -2
usb 4-1: Falling back to sysfs fallback for: ueagle-atm/eagleII.fw
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1165 at fs/kernfs/dir.c:537 kernfs_get+0x72/0x90 fs/kernfs/dir.c:537
Modules linked in:
CPU: 1 UID: 0 PID: 1165 Comm: kworker/1:2 Not tainted 6.15.0-rc4-syzkaller-00147-gebd297a2affa #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Workqueue: events request_firmware_work_func
RIP: 0010:kernfs_get+0x72/0x90 fs/kernfs/dir.c:537
Code: e8 a3 b4 64 ff 48 89 df be 04 00 00 00 e8 36 ac c6 ff f0 ff 03 eb 05 e8 8c b4 64 ff 5b 5d c3 cc cc cc cc cc e8 7f b4 64 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 35
RSP: 0018:ffffc90003fcf6c0 EFLAGS: 00010293
RAX: ffffffff825b0bd1 RBX: ffff88807f837d20 RCX: ffff888026ae8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807f837d23 R09: 1ffff1100ff06fa4
R10: dffffc0000000000 R11: ffffed100ff06fa5 R12: ffff8880716df030
R13: 1ffff1100e2dbe07 R14: ffff8880716df038 R15: 1ffff1100e2dbe06
FS:  0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0015c2030 CR3: 000000007e6d2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sysfs_get include/linux/sysfs.h:816 [inline]
 create_dir lib/kobject.c:89 [inline]
 kobject_add_internal+0x632/0xb40 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_add+0x155/0x220 lib/kobject.c:426
 device_add+0x408/0xb50 drivers/base/core.c:3630
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:86 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline]
 firmware_fallback_sysfs+0x2e4/0x9b0 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xf83/0x15b0 drivers/base/firmware_loader/main.c:941
 request_firmware_work_func+0xaf/0x1c0 drivers/base/firmware_loader/main.c:1194
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
usb 4-1: Direct firmware load for ueagle-atm/eagleII.fw failed with error -2
usb 4-1: Falling back to sysfs fallback for: ueagle-atm/eagleII.fw
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1165 at fs/kernfs/dir.c:537 kernfs_get+0x72/0x90 fs/kernfs/dir.c:537
Modules linked in:
CPU: 1 UID: 0 PID: 1165 Comm: kworker/1:2 Not tainted 6.15.0-rc4-syzkaller-00147-gebd297a2affa #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Workqueue: events request_firmware_work_func
RIP: 0010:kernfs_get+0x72/0x90 fs/kernfs/dir.c:537
Code: e8 a3 b4 64 ff 48 89 df be 04 00 00 00 e8 36 ac c6 ff f0 ff 03 eb 05 e8 8c b4 64 ff 5b 5d c3 cc cc cc cc cc e8 7f b4 64 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 35
RSP: 0018:ffffc90003fcf6c0 EFLAGS: 00010293
RAX: ffffffff825b0bd1 RBX: ffff88807f837d20 RCX: ffff888026ae8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807f837d23 R09: 1ffff1100ff06fa4
R10: dffffc0000000000 R11: ffffed100ff06fa5 R12: ffff8880716df030
R13: 1ffff1100e2dbe07 R14: ffff8880716df038 R15: 1ffff1100e2dbe06
FS:  0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0015c2030 CR3: 000000007e6d2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sysfs_get include/linux/sysfs.h:816 [inline]
 create_dir lib/kobject.c:89 [inline]
 kobject_add_internal+0x632/0xb40 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_add+0x155/0x220 lib/kobject.c:426
 device_add+0x408/0xb50 drivers/base/core.c:3630
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:86 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline]
 firmware_fallback_sysfs+0x2e4/0x9b0 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xf83/0x15b0 drivers/base/firmware_loader/main.c:941
 request_firmware_work_func+0xaf/0x1c0 drivers/base/firmware_loader/main.c:1194
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>