24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3, &(0x7f000000a000))

[  416.444327][T17398] FS-Cache: Duplicate cookie detected
[  416.449908][T17398] FS-Cache: O-cookie c=ffff88801b1031a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  416.460308][T17398] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  416.467533][T17398] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  416.475138][T17398] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  416.483938][T17398] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df44000
[  416.491253][T17398] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  416.498823][T17399] FS-Cache: Duplicate cookie detected
[  416.504480][T17399] FS-Cache: O-cookie c=ffff88801b1031a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  416.513706][T17399] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  416.521272][T17399] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  416.528589][T17399] FS-Cache: N-cookie c=ffff88801b1022f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:12 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6, &(0x7f000000a000))

[  416.538122][T17399] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880167cf000
[  416.545476][T17399] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:12 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:12 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

[  416.775435][T17408] FS-Cache: Duplicate cookie detected
[  416.781626][T17408] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  416.792167][T17408] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  416.829131][T17408] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  416.837579][T17408] FS-Cache: N-cookie c=ffff88801b102758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  416.846517][T17408] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bf08000
[  416.854263][T17408] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  416.867577][T17409] FS-Cache: Duplicate cookie detected
[  416.873604][T17409] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  416.883132][T17409] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  416.890970][T17409] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  416.899526][T17409] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  416.916332][T17409] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ca9f000
[  416.923726][T17409] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:12 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0x0, 0x0)

[  417.022528][T17392] FS-Cache: Duplicate cookie detected
[  417.027970][T17392] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.037804][T17392] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  417.045149][T17392] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.052519][T17392] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.061638][T17392] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801655a000
[  417.069223][T17392] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  417.162508][T17418] FS-Cache: Duplicate cookie detected
[  417.168030][T17418] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.178512][T17418] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  417.186207][T17418] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.194273][T17418] FS-Cache: N-cookie c=ffff88801b103490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.203403][T17418] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802598d000
[  417.221775][T17418] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:12 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  417.309379][T17421] FS-Cache: Duplicate cookie detected
[  417.315384][T17421] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.324956][T17421] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  417.332251][T17421] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.339567][T17421] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.348462][T17421] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e042000
[  417.355774][T17421] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  417.432255][T17425] FS-Cache: Duplicate cookie detected
[  417.437821][T17425] FS-Cache: O-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.448084][T17425] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880276f9000
[  417.456670][T17425] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.465558][T17425] FS-Cache: N-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.474631][T17425] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e724000
14:49:12 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4, &(0x7f000000a000))

[  417.483504][T17425] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:13 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))

14:49:13 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

14:49:13 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {0x0}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  417.712197][T17434] FS-Cache: Duplicate cookie detected
[  417.717720][T17434] FS-Cache: O-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.727454][T17434] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019142000
[  417.735051][T17434] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.742430][T17434] FS-Cache: N-cookie c=ffff88801b103a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.751322][T17434] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807beec000
[  417.758561][T17434] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  417.827138][T17437] FS-Cache: Duplicate cookie detected
[  417.833100][T17437] FS-Cache: O-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  417.842151][T17437] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019142000
[  417.849575][T17437] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.857591][T17437] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.866394][T17437] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027337000
[  417.874929][T17437] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  417.904447][T17439] FS-Cache: Duplicate cookie detected
[  417.916272][T17439] FS-Cache: O-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
14:49:13 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

[  417.925614][T17439] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019142000
[  417.933188][T17439] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  417.941211][T17439] FS-Cache: N-cookie c=ffff888143b0f028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  417.950175][T17439] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027331000
[  417.957569][T17439] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  418.095833][T17444] FS-Cache: Duplicate cookie detected
[  418.101659][T17444] FS-Cache: O-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  418.113002][T17444] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019142000
[  418.120356][T17444] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  418.128793][T17444] FS-Cache: N-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  418.137898][T17444] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888021fe3000
[  418.145421][T17444] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  418.279197][T17428] FS-Cache: Duplicate cookie detected
[  418.284918][T17428] FS-Cache: O-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  418.294002][T17428] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019142000
[  418.301577][T17428] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  418.308887][T17428] FS-Cache: N-cookie c=ffff88801b103d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  418.318323][T17428] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880270c2000
[  418.325647][T17428] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:13 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:14 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5, &(0x7f000000a000))

14:49:14 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

14:49:14 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))

14:49:14 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {0x0}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  418.768902][T17460] FS-Cache: Duplicate cookie detected
[  418.774658][T17460] FS-Cache: O-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  418.785782][T17460] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc39000
[  418.793777][T17460] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  418.802835][T17460] FS-Cache: N-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  418.812280][T17460] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bd77000
[  418.819657][T17460] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  418.829938][T17465] FS-Cache: Duplicate cookie detected
[  418.835615][T17465] FS-Cache: O-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  418.844907][T17465] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc39000
[  418.853434][T17465] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  418.861279][T17465] FS-Cache: N-cookie c=ffff88801b102a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  418.870068][T17465] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cd8d000
[  418.877301][T17465] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:14 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

[  418.977291][T17468] FS-Cache: Duplicate cookie detected
[  418.983535][T17468] FS-Cache: O-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  418.992858][T17468] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc39000
[  419.000281][T17468] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.008801][T17468] FS-Cache: N-cookie c=ffff8880196c9318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.017667][T17468] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b24f000
[  419.025244][T17468] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  419.038442][T17467] FS-Cache: Duplicate cookie detected
[  419.044630][T17467] FS-Cache: O-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  419.064247][T17467] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc39000
[  419.071677][T17467] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.080262][T17467] FS-Cache: N-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.089323][T17467] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b24c000
[  419.096813][T17467] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  419.196734][T17474] FS-Cache: Duplicate cookie detected
[  419.203249][T17474] FS-Cache: O-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  419.214745][T17474] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc39000
[  419.222454][T17474] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.231364][T17474] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.240921][T17474] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7a6000
[  419.248529][T17474] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:14 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  419.636904][T17487] FS-Cache: Duplicate cookie detected
[  419.642831][T17487] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  419.651796][T17487] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  419.659087][T17487] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.666484][T17487] FS-Cache: N-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.675604][T17487] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880127d4000
[  419.682874][T17487] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:15 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))

14:49:15 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

14:49:15 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {0x0}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:15 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6, &(0x7f000000a000))

[  419.882540][T17495] FS-Cache: Duplicate cookie detected
[  419.888013][T17495] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  419.897315][T17495] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  419.904674][T17495] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.912166][T17495] FS-Cache: N-cookie c=ffff88801b103be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.920971][T17495] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  419.928244][T17495] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  419.936789][T17494] FS-Cache: Duplicate cookie detected
[  419.942845][T17494] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  419.951888][T17494] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  419.959283][T17494] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  419.969225][T17494] FS-Cache: N-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  419.978224][T17494] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cdbe000
[  419.985652][T17494] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  420.011102][T17496] FS-Cache: Duplicate cookie detected
[  420.016688][T17496] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.028255][T17496] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  420.037796][T17496] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.046631][T17496] FS-Cache: N-cookie c=ffff88801b103028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.056631][T17496] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880272f0000
[  420.064538][T17496] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  420.073570][T17502] FS-Cache: Duplicate cookie detected
[  420.084315][T17502] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.093758][T17502] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  420.101332][T17502] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.109949][T17502] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.121004][T17502] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d84a000
14:49:15 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  420.128494][T17502] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  420.245781][T17505] FS-Cache: Duplicate cookie detected
[  420.251753][T17505] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.260975][T17505] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  420.270216][T17505] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.279123][T17505] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.301695][T17505] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802135c000
[  420.309057][T17505] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:15 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:16 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:16 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  420.777548][T17520] FS-Cache: Duplicate cookie detected
[  420.783139][T17520] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.792185][T17520] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
[  420.799689][T17520] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.807363][T17520] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.816265][T17520] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801cc21000
[  420.823738][T17520] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  420.881314][T17522] FS-Cache: Duplicate cookie detected
[  420.886907][T17522] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.909165][T17522] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
[  420.916578][T17522] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.925365][T17522] FS-Cache: N-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.934268][T17522] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018aef000
[  420.941846][T17522] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  420.953435][T17527] FS-Cache: Duplicate cookie detected
[  420.958995][T17527] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  420.968683][T17527] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
[  420.976038][T17527] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  420.983406][T17527] FS-Cache: N-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  420.992159][T17527] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d8ef000
[  421.000138][T17527] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  421.049387][T17530] FS-Cache: Duplicate cookie detected
[  421.055187][T17530] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.064898][T17530] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
[  421.072679][T17530] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.083737][T17530] FS-Cache: N-cookie c=ffff8880196c9490 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:16 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  421.093029][T17530] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018aed000
[  421.121410][T17530] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:16 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))

[  421.267002][T17534] FS-Cache: Duplicate cookie detected
[  421.279663][T17534] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.289103][T17534] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
[  421.296732][T17534] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.339301][T17534] FS-Cache: N-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  421.348240][T17534] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880211b6000
[  421.355813][T17534] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:16 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:16 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))

[  421.543115][T17544] FS-Cache: Duplicate cookie detected
[  421.548709][T17544] FS-Cache: O-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.558509][T17544] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cb22000
[  421.566476][T17544] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.575607][T17544] FS-Cache: N-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  421.585445][T17544] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d09b000
[  421.592949][T17544] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  421.602842][T17545] FS-Cache: Duplicate cookie detected
[  421.608451][T17545] FS-Cache: O-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.631480][T17545] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cb22000
14:49:17 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  421.640868][T17545] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.649468][T17545] FS-Cache: N-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  421.658387][T17545] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dad6000
[  421.665985][T17545] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:17 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  421.862609][T17553] FS-Cache: Duplicate cookie detected
[  421.868407][T17553] FS-Cache: O-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.881941][T17553] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cb22000
[  421.889483][T17553] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.898288][T17553] FS-Cache: N-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  421.907257][T17553] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016864000
[  421.914660][T17553] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  421.923458][T17555] FS-Cache: Duplicate cookie detected
[  421.929178][T17555] FS-Cache: O-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  421.939282][T17555] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cb22000
[  421.947024][T17555] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  421.955310][T17555] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  421.964698][T17555] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802efbf000
[  421.972116][T17555] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:17 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  422.175580][T17562] FS-Cache: Duplicate cookie detected
[  422.184099][T17562] FS-Cache: O-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  422.193371][T17562] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cb22000
[  422.202260][T17562] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  422.211224][T17562] FS-Cache: N-cookie c=ffff8880196c8a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  422.220220][T17562] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c959000
[  422.242676][T17562] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:17 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:17 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))

14:49:17 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))

[  422.499793][T17574] FS-Cache: Duplicate cookie detected
[  422.505375][T17574] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  422.514451][T17574] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  422.521862][T17574] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  422.529171][T17574] FS-Cache: N-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  422.538428][T17574] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df73000
[  422.547270][T17574] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  422.641129][T17578] FS-Cache: Duplicate cookie detected
[  422.647441][T17578] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  422.659410][T17578] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  422.666999][T17578] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  422.675384][T17578] FS-Cache: N-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:18 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}], 0x6, 0x67, 0x1000)

[  422.685051][T17578] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d96d000
[  422.692652][T17578] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:18 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  422.819608][T17582] FS-Cache: Duplicate cookie detected
[  422.827084][T17582] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  422.836692][T17582] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  422.864433][T17582] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  422.873092][T17582] FS-Cache: N-cookie c=ffff88802e9d4bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  422.881936][T17582] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025675000
[  422.889363][T17582] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:18 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  423.081748][T17589] FS-Cache: Duplicate cookie detected
[  423.093032][T17589] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  423.103275][T17589] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  423.110984][T17589] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  423.119789][T17589] FS-Cache: N-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  423.130492][T17589] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880205a2000
[  423.137837][T17589] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  423.151710][T17590] FS-Cache: Duplicate cookie detected
[  423.157434][T17590] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  423.171319][T17590] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  423.178995][T17590] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  423.187496][T17590] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  423.197141][T17590] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  423.205019][T17590] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:18 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:18 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc, &(0x7f000000a000))

[  423.546211][T17605] FS-Cache: Duplicate cookie detected
[  423.551863][T17605] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  423.561385][T17605] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caea000
[  423.568614][T17605] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  423.576288][T17605] FS-Cache: N-cookie c=ffff8880196c9780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  423.585105][T17605] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016ec2000
14:49:19 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))

[  423.592418][T17605] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:19 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}], 0x6, 0x67, 0x1000)

[  423.746098][T17610] FS-Cache: Duplicate cookie detected
[  423.752241][T17610] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  423.761428][T17610] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caea000
[  423.780472][T17610] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  423.789388][T17610] FS-Cache: N-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  423.798281][T17610] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016ec3000
[  423.805792][T17610] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  423.818947][T17611] FS-Cache: Duplicate cookie detected
[  423.824594][T17611] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  423.833633][T17611] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caea000
[  423.840949][T17611] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  423.848243][T17611] FS-Cache: N-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  423.857105][T17611] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020864000
[  423.864573][T17611] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:19 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:19 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  423.992617][T17616] FS-Cache: Duplicate cookie detected
[  423.998509][T17616] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.010093][T17616] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caea000
[  424.017581][T17616] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.026103][T17616] FS-Cache: N-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.035099][T17616] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018e47000
[  424.043130][T17616] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  424.149805][T17620] FS-Cache: Duplicate cookie detected
[  424.155729][T17620] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.165100][T17620] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caea000
[  424.212187][T17620] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.220737][T17620] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.229592][T17620] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802b71c000
[  424.236982][T17620] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:19 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:19 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd, &(0x7f000000a000))

14:49:20 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}], 0x6, 0x67, 0x1000)

[  424.592778][T17636] FS-Cache: Duplicate cookie detected
[  424.598289][T17636] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.612839][T17636] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  424.621232][T17636] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.628556][T17636] FS-Cache: N-cookie c=ffff888143b0f1a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.637345][T17636] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b47a000
[  424.644655][T17636] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  424.653433][T17634] FS-Cache: Duplicate cookie detected
[  424.659014][T17634] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.669003][T17634] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  424.676770][T17634] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.684292][T17634] FS-Cache: N-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.693222][T17634] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807de05000
[  424.700547][T17634] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:20 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))

14:49:20 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  424.809412][T17639] FS-Cache: Duplicate cookie detected
[  424.819407][T17639] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.828636][T17639] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  424.836007][T17639] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.844603][T17639] FS-Cache: N-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.853523][T17639] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c493000
[  424.861050][T17639] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  424.871794][T17644] FS-Cache: Duplicate cookie detected
[  424.877361][T17644] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  424.886379][T17644] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  424.894351][T17644] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  424.902026][T17644] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  424.910842][T17644] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020581000
[  424.919601][T17644] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:20 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  425.021880][T17645] FS-Cache: Duplicate cookie detected
[  425.027857][T17645] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.038676][T17645] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  425.046109][T17645] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.055222][T17645] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.064380][T17645] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df44000
[  425.071955][T17645] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  425.225038][T17650] FS-Cache: Duplicate cookie detected
[  425.231613][T17650] FS-Cache: O-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.241836][T17650] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802764b000
[  425.249588][T17650] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.258293][T17650] FS-Cache: N-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.267567][T17650] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d3f8000
[  425.275241][T17650] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:20 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  425.489345][T17660] FS-Cache: Duplicate cookie detected
[  425.495061][T17660] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.504671][T17660] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  425.512423][T17660] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.519758][T17660] FS-Cache: N-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.528573][T17660] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e044000
[  425.535874][T17660] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:21 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {0x0}], 0x7, 0x67, 0x1000)

14:49:21 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe, &(0x7f000000a000))

[  425.626772][T17664] FS-Cache: Duplicate cookie detected
[  425.632393][T17664] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.641721][T17664] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  425.648948][T17664] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.656399][T17664] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.665203][T17664] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888022db6000
[  425.672522][T17664] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:21 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  425.747623][T17668] FS-Cache: Duplicate cookie detected
[  425.753459][T17668] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.762420][T17668] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  425.769650][T17668] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.777036][T17668] FS-Cache: N-cookie c=ffff88802e9d5780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.785829][T17668] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c855000
[  425.793140][T17668] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  425.855390][T17666] FS-Cache: Duplicate cookie detected
[  425.863613][T17666] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  425.873595][T17666] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  425.882602][T17666] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  425.890861][T17666] FS-Cache: N-cookie c=ffff88801b103490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  425.899796][T17666] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801655a000
[  425.907262][T17666] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:21 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:21 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))

[  426.075420][T17676] FS-Cache: Duplicate cookie detected
[  426.082150][T17676] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  426.091267][T17676] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  426.098696][T17676] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  426.107395][T17676] FS-Cache: N-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  426.116319][T17676] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880236c7000
[  426.145390][T17676] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  426.155737][T17678] FS-Cache: Duplicate cookie detected
[  426.162101][T17678] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  426.171862][T17678] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  426.179443][T17678] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  426.187919][T17678] FS-Cache: N-cookie c=ffff88801b102758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  426.198644][T17678] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bcab000
[  426.206128][T17678] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  426.285535][T17685] FS-Cache: Duplicate cookie detected
[  426.291525][T17685] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  426.300835][T17685] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880200d4000
[  426.308274][T17685] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  426.316753][T17685] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  426.331604][T17685] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014323000
[  426.343811][T17685] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:21 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:22 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {0x0}], 0x7, 0x67, 0x1000)

14:49:22 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))

[  426.658555][T17697] FS-Cache: Duplicate cookie detected
[  426.664727][T17697] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  426.673806][T17697] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac3000
[  426.681175][T17697] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  426.688472][T17697] FS-Cache: N-cookie c=ffff88801b1031a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  426.697247][T17697] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027e49000
[  426.704625][T17697] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  426.728366][T17696] FS-Cache: Duplicate cookie detected
[  426.742858][T17696] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  426.752386][T17696] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac3000
[  426.759696][T17696] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  426.768428][T17696] FS-Cache: N-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  426.777903][T17696] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027e48000
[  426.785414][T17696] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:22 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:22 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  427.000866][T17701] FS-Cache: Duplicate cookie detected
[  427.006396][T17701] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.020995][T17701] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac3000
[  427.028400][T17701] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.037261][T17701] FS-Cache: N-cookie c=ffff888143b0f028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.046188][T17701] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880270c1000
[  427.053782][T17701] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  427.134579][T17707] FS-Cache: Duplicate cookie detected
[  427.140941][T17707] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.188029][T17707] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac3000
[  427.195479][T17707] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.203754][T17707] FS-Cache: N-cookie c=ffff88801b103780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.212971][T17707] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807da5f000
[  427.220663][T17707] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  427.229354][T17704] FS-Cache: Duplicate cookie detected
[  427.234945][T17704] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.244119][T17704] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac3000
[  427.251416][T17704] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.259929][T17704] FS-Cache: N-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.268702][T17704] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027e55000
[  427.276023][T17704] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:22 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc, &(0x7f000000a000))

14:49:22 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:22 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {0x0}], 0x7, 0x67, 0x1000)

[  427.550333][T17716] FS-Cache: Duplicate cookie detected
[  427.556642][T17716] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.565772][T17716] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  427.573131][T17716] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.580496][T17716] FS-Cache: N-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.589242][T17716] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888017baf000
[  427.596863][T17716] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:23 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11, &(0x7f000000a000))

[  427.687582][T17719] FS-Cache: Duplicate cookie detected
[  427.693188][T17719] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.702820][T17719] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  427.711269][T17719] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.720193][T17719] FS-Cache: N-cookie c=ffff88801b1038f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.729126][T17719] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e6000
[  427.736875][T17719] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  427.752325][T17724] FS-Cache: Duplicate cookie detected
[  427.758225][T17724] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.767555][T17724] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  427.774886][T17724] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:23 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  427.782251][T17724] FS-Cache: N-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.791416][T17724] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880138a5000
[  427.798834][T17724] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  427.839847][T17723] FS-Cache: Duplicate cookie detected
[  427.846394][T17723] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  427.855886][T17723] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  427.871088][T17723] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  427.879291][T17723] FS-Cache: N-cookie c=ffff88801b103d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  427.888296][T17723] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e5000
[  427.896080][T17723] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:23 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, 0x0, 0x0, 0x67, 0x1000)

[  428.013128][T17729] FS-Cache: Duplicate cookie detected
[  428.018713][T17729] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  428.029609][T17729] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  428.038607][T17729] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  428.047598][T17729] FS-Cache: N-cookie c=ffff88801b103a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  428.057885][T17729] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bcd9000
[  428.086594][T17729] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  428.221551][T17733] FS-Cache: Duplicate cookie detected
[  428.227104][T17733] FS-Cache: O-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  428.238583][T17733] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888015157000
[  428.246411][T17733] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  428.254874][T17733] FS-Cache: N-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  428.264402][T17733] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e95b000
[  428.285835][T17733] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:23 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd, &(0x7f000000a000))

14:49:24 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)

14:49:24 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  428.638324][T17745] FS-Cache: Duplicate cookie detected
[  428.644302][T17745] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  428.653750][T17745] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  428.661087][T17745] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  428.668384][T17745] FS-Cache: N-cookie c=ffff88801b103be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  428.677258][T17745] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e52c000
[  428.685291][T17745] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  428.751997][T17747] FS-Cache: Duplicate cookie detected
[  428.757765][T17747] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  428.768997][T17747] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  428.776528][T17747] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  428.792602][T17747] FS-Cache: N-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:24 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  428.801836][T17747] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dd58000
[  428.809715][T17747] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  428.870849][T17752] FS-Cache: Duplicate cookie detected
[  428.876578][T17752] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  428.890618][T17752] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  428.900910][T17752] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  428.909687][T17752] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  428.918568][T17752] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888029a77000
[  428.926093][T17752] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:24 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {0x0}], 0x7, 0x67, 0x1000)

[  429.030694][T17754] FS-Cache: Duplicate cookie detected
[  429.037326][T17754] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  429.050000][T17754] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  429.057457][T17754] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  429.066630][T17754] FS-Cache: N-cookie c=ffff88801b103028 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:24 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))

[  429.075569][T17754] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e1f4000
[  429.084405][T17754] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  429.312215][T17760] FS-Cache: Duplicate cookie detected
[  429.317782][T17760] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  429.328018][T17760] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  429.335430][T17760] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  429.344113][T17760] FS-Cache: N-cookie c=ffff88802e9d5490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  429.353085][T17760] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880275fd000
[  429.360709][T17760] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  429.375194][T17761] FS-Cache: Duplicate cookie detected
[  429.380744][T17761] FS-Cache: O-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  429.389646][T17761] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b6000
[  429.397239][T17761] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  429.404796][T17761] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  429.413697][T17761] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880275f9000
[  429.421089][T17761] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:24 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe, &(0x7f000000a000))

14:49:25 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {0x0}], 0x6, 0x67, 0x1000)

14:49:25 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {0x0}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  429.927365][T17774] FS-Cache: Duplicate cookie detected
[  429.934699][T17774] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  429.945841][T17774] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd76000
[  429.953823][T17774] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  429.964142][T17774] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:25 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  429.973101][T17774] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e8eb000
[  429.980572][T17774] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  430.088388][T17779] FS-Cache: Duplicate cookie detected
[  430.094240][T17779] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.104088][T17779] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd76000
[  430.126099][T17779] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.134742][T17779] FS-Cache: N-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  430.143747][T17779] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  430.151538][T17779] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  430.163008][T17778] FS-Cache: Duplicate cookie detected
[  430.168816][T17778] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.178562][T17778] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd76000
[  430.186597][T17778] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.195591][T17778] FS-Cache: N-cookie c=ffff88801b102000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  430.205023][T17778] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880243ff000
[  430.212586][T17778] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:25 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {0x0}], 0x7, 0x67, 0x1000)

[  430.292934][T17784] FS-Cache: Duplicate cookie detected
[  430.298570][T17784] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.307948][T17784] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd76000
[  430.315264][T17784] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.323066][T17784] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  430.332226][T17784] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807eda4000
[  430.339470][T17784] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  430.498124][T17787] FS-Cache: Duplicate cookie detected
[  430.505141][T17787] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.514300][T17787] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd76000
[  430.530094][T17787] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.541884][T17787] FS-Cache: N-cookie c=ffff8880196c9318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  430.551094][T17787] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  430.558554][T17787] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:26 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))

14:49:26 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))

14:49:26 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {0x0}], 0x6, 0x67, 0x1000)

[  430.835871][T17796] FS-Cache: Duplicate cookie detected
[  430.842652][T17796] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.851942][T17796] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888020c28000
[  430.859405][T17796] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.868007][T17796] FS-Cache: N-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  430.877046][T17796] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802515e000
[  430.884748][T17796] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  430.962324][T17783] FS-Cache: Duplicate cookie detected
[  430.970471][T17783] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  430.980171][T17783] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888020c28000
[  430.987481][T17783] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  430.995698][T17783] FS-Cache: N-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  431.004862][T17783] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802caaf000
14:49:26 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {0x0}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  431.012255][T17783] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  431.043517][T17799] FS-Cache: Duplicate cookie detected
[  431.049271][T17799] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  431.058481][T17799] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888020c28000
[  431.066050][T17799] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  431.074820][T17799] FS-Cache: N-cookie c=ffff8880196c9490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  431.083863][T17799] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014e61000
[  431.091653][T17799] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  431.156506][T17804] FS-Cache: Duplicate cookie detected
[  431.162977][T17804] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  431.172356][T17804] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888020c28000
[  431.180317][T17804] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  431.188549][T17804] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  431.197807][T17804] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c861000
[  431.205400][T17804] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:26 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))

14:49:26 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  431.400955][T17807] FS-Cache: Duplicate cookie detected
[  431.406679][T17807] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  431.416739][T17807] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888020c28000
[  431.424786][T17807] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  431.433694][T17807] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  431.450839][T17807] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bda4000
[  431.458252][T17807] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  431.607407][T17810] FS-Cache: Duplicate cookie detected
[  431.618803][T17810] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=212 nc=0 na=0]
[  431.628104][T17810] FS-Cache: O-cookie d=0000000000000000 n=0000000000000000
[  431.635493][T17810] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  431.644321][T17810] FS-Cache: N-cookie c=ffff88801b103318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  431.653321][T17810] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880190f5000
[  431.660883][T17810] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:27 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {0x0}], 0x6, 0x67, 0x1000)

14:49:27 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x21, &(0x7f000000a000))

14:49:27 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11, &(0x7f000000a000))

14:49:27 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25, &(0x7f000000a000))

[  431.983641][T17824] FS-Cache: Duplicate cookie detected
[  431.989226][T17824] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  431.998226][T17824] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bbff000
[  432.005586][T17824] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.005752][T17824] FS-Cache: N-cookie c=ffff88801b102a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.005775][T17824] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc7d000
[  432.005789][T17824] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:27 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {0x0}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:27 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x38, &(0x7f000000a000))

[  432.270705][T17833] FS-Cache: Duplicate cookie detected
[  432.276310][T17833] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  432.286002][T17833] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bbff000
[  432.294300][T17833] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.303056][T17833] FS-Cache: N-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.311979][T17833] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cac5000
14:49:27 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))

[  432.319469][T17833] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  432.396836][T17813] FS-Cache: Duplicate cookie detected
[  432.402676][T17813] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  432.411681][T17813] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bbff000
[  432.418900][T17813] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.426364][T17813] FS-Cache: N-cookie c=ffff88802e9d4bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.435180][T17813] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d243000
[  432.442600][T17813] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  432.527821][T17842] FS-Cache: Duplicate cookie detected
[  432.533526][T17842] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  432.542572][T17842] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bbff000
[  432.551008][T17842] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.558591][T17842] FS-Cache: N-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.567508][T17842] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c777000
14:49:28 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x48, &(0x7f000000a000))

[  432.575535][T17842] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  432.662570][T17845] FS-Cache: Duplicate cookie detected
[  432.668190][T17845] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  432.677951][T17845] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bbff000
[  432.685608][T17845] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.693675][T17845] FS-Cache: N-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.702450][T17845] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880251c5000
14:49:28 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000680)=""/160, 0xa0}], 0x5, 0x67, 0x1000)

[  432.709675][T17845] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:28 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:28 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))

[  432.933671][T17853] FS-Cache: Duplicate cookie detected
[  432.939424][T17853] FS-Cache: O-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  432.948734][T17853] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888078f68000
[  432.956329][T17853] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  432.965666][T17853] FS-Cache: N-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  432.975068][T17853] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024121000
[  433.013778][T17853] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  433.074133][T17856] FS-Cache: Duplicate cookie detected
[  433.079629][T17856] FS-Cache: O-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.089361][T17856] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888078f68000
[  433.096950][T17856] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.104373][T17856] FS-Cache: N-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  433.113255][T17856] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024126000
14:49:28 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  433.120606][T17856] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  433.204588][T17859] FS-Cache: Duplicate cookie detected
[  433.210689][T17859] FS-Cache: O-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.219765][T17859] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888078f68000
[  433.227268][T17859] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.235484][T17859] FS-Cache: N-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  433.244593][T17859] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014f8b000
[  433.252317][T17859] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:28 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  433.458505][T17862] FS-Cache: Duplicate cookie detected
[  433.464663][T17862] FS-Cache: O-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.474074][T17862] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888078f68000
[  433.481819][T17862] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.490707][T17862] FS-Cache: N-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  433.499626][T17862] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018fe3000
[  433.507183][T17862] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  433.572946][T17866] FS-Cache: Duplicate cookie detected
[  433.578506][T17866] FS-Cache: O-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.587804][T17866] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888078f68000
[  433.595791][T17866] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.603536][T17866] FS-Cache: N-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  433.612361][T17866] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018fe2000
[  433.619586][T17866] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:29 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000680)=""/160, 0xa0}], 0x5, 0x67, 0x1000)

14:49:29 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))

[  433.839470][T17875] FS-Cache: Duplicate cookie detected
[  433.845238][T17875] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.854204][T17875] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  433.861509][T17875] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.868818][T17875] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  433.877633][T17875] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c89f000
14:49:29 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  433.884928][T17875] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  433.962122][T17877] FS-Cache: Duplicate cookie detected
[  433.967683][T17877] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  433.976961][T17877] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  433.984269][T17877] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  433.991652][T17877] FS-Cache: N-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  434.000426][T17877] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c89c000
[  434.007761][T17877] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:29 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  434.072498][T17880] FS-Cache: Duplicate cookie detected
[  434.078199][T17880] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  434.088608][T17880] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  434.096599][T17880] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  434.132992][T17880] FS-Cache: N-cookie c=ffff88802e9d5be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  434.142368][T17880] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bced000
[  434.149775][T17880] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:29 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))

14:49:29 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  434.322774][T17883] FS-Cache: Duplicate cookie detected
[  434.328604][T17883] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  434.342153][T17883] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  434.349634][T17883] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  434.358206][T17883] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  434.367109][T17883] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018017000
[  434.374557][T17883] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  434.507108][T17891] FS-Cache: Duplicate cookie detected
[  434.512967][T17891] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  434.531121][T17891] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  434.542558][T17891] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  434.551026][T17891] FS-Cache: N-cookie c=ffff8880196c8a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  434.561758][T17891] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802cba7000
[  434.569406][T17891] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  434.579102][T17890] FS-Cache: Duplicate cookie detected
[  434.585328][T17890] FS-Cache: O-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=212 nc=0 na=0]
[  434.594639][T17890] FS-Cache: O-cookie d=0000000000000000 n=0000000000000000
[  434.602667][T17890] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  434.611855][T17890] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  434.658668][T17890] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d195000
[  434.666359][T17890] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:30 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000680)=""/160, 0xa0}], 0x5, 0x67, 0x1000)

14:49:30 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x50, &(0x7f000000a000))

14:49:30 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:30 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  435.035546][T17904] FS-Cache: Duplicate cookie detected
[  435.041421][T17904] FS-Cache: O-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  435.050394][T17904] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888018d6f000
[  435.057624][T17904] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  435.064992][T17904] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  435.073764][T17904] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888022db0000
[  435.081090][T17904] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  435.183604][T17909] FS-Cache: Duplicate cookie detected
[  435.189346][T17909] FS-Cache: O-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  435.199782][T17909] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888018d6f000
[  435.207492][T17909] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  435.216515][T17909] FS-Cache: N-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  435.225503][T17909] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dc6d000
[  435.249540][T17909] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:30 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x28, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  435.367734][T17914] FS-Cache: Duplicate cookie detected
[  435.373317][T17914] FS-Cache: O-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  435.382317][T17914] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888018d6f000
[  435.389570][T17914] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  435.397042][T17914] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  435.405829][T17914] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020582000
14:49:30 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  435.413994][T17914] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:30 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x21, &(0x7f000000a000))

14:49:31 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x38, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:31 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)

14:49:31 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25, &(0x7f000000a000))

14:49:31 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x48, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  435.886554][T17933] FS-Cache: Duplicate cookie detected
[  435.892262][T17933] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  435.901245][T17933] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  435.908478][T17933] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  435.915928][T17933] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  435.924732][T17933] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888013e4e000
[  435.932093][T17933] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  435.940688][T17930] FS-Cache: Duplicate cookie detected
[  435.946446][T17930] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  435.981005][T17930] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  435.988349][T17930] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  435.997046][T17930] FS-Cache: N-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.006066][T17930] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bb2b000
[  436.013559][T17930] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  436.024132][T17938] FS-Cache: Duplicate cookie detected
[  436.030799][T17938] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  436.044874][T17938] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  436.052581][T17938] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  436.060833][T17938] FS-Cache: N-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.069704][T17938] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cb3b000
14:49:31 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c, &(0x7f000000a000))

14:49:31 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{0x0}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  436.077306][T17938] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  436.180986][T17945] FS-Cache: Duplicate cookie detected
[  436.186533][T17945] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  436.195734][T17945] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  436.203037][T17945] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  436.210429][T17945] FS-Cache: N-cookie c=ffff88802e9d5780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.219136][T17945] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880277a2000
[  436.226427][T17945] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  436.234288][T17943] FS-Cache: Duplicate cookie detected
[  436.240276][T17943] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  436.249323][T17943] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  436.265868][T17943] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:31 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x48, &(0x7f000000a000))

[  436.274401][T17943] FS-Cache: N-cookie c=ffff888143b0f1a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.283360][T17943] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e2ab000
[  436.290982][T17943] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  436.359402][T17948] FS-Cache: Duplicate cookie detected
[  436.368247][T17948] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  436.378006][T17948] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e6c000
[  436.385653][T17948] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  436.393692][T17948] FS-Cache: N-cookie c=ffff888143b0ed38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.402986][T17948] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e2ae000
[  436.410424][T17948] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:31 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:32 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)

[  436.783659][T17956] FS-Cache: Duplicate cookie detected
[  436.789651][T17956] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  436.799075][T17956] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
[  436.806919][T17956] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  436.815269][T17956] FS-Cache: N-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  436.824141][T17956] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801aff6000
[  436.831835][T17956] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:32 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:32 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{0x0}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  437.041079][T17966] FS-Cache: Duplicate cookie detected
[  437.046707][T17966] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.059865][T17966] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
[  437.067236][T17966] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.109974][T17966] FS-Cache: N-cookie c=ffff88802e9d51a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.118781][T17966] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b498000
[  437.126186][T17966] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  437.134858][T17965] FS-Cache: Duplicate cookie detected
[  437.140472][T17965] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.149366][T17965] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
[  437.156686][T17965] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.164266][T17965] FS-Cache: N-cookie c=ffff888143b0e2f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.173051][T17965] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b526000
[  437.180346][T17965] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  437.249428][T17971] FS-Cache: Duplicate cookie detected
[  437.255978][T17971] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.265198][T17971] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
[  437.273213][T17971] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.292544][T17971] FS-Cache: N-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.301646][T17971] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d4f000
[  437.309040][T17971] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  437.319435][T17970] FS-Cache: Duplicate cookie detected
[  437.324916][T17970] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.334024][T17970] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
[  437.341356][T17970] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.348681][T17970] FS-Cache: N-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.357516][T17970] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e1000
[  437.364842][T17970] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:32 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))

14:49:32 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x60, &(0x7f000000a000))

14:49:33 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)

14:49:33 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x6, 0x67, 0x1000)

[  437.727402][T17983] FS-Cache: Duplicate cookie detected
[  437.733598][T17983] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.742806][T17983] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
[  437.750212][T17983] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.758546][T17983] FS-Cache: N-cookie c=ffff888143b0e468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.767440][T17983] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ccb0000
14:49:33 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x64, &(0x7f000000a000))

[  437.775474][T17983] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  437.789672][T17986] FS-Cache: Duplicate cookie detected
[  437.834195][T17986] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.843383][T17986] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
[  437.850843][T17986] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.859985][T17986] FS-Cache: N-cookie c=ffff888024ed2d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.868973][T17986] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ddb9000
[  437.876395][T17986] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  437.949155][T17967] FS-Cache: Duplicate cookie detected
[  437.954732][T17967] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  437.963909][T17967] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
[  437.971255][T17967] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  437.978899][T17967] FS-Cache: N-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  437.987673][T17967] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888079943000
[  437.994977][T17967] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:33 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{0x0}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:33 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x68, &(0x7f000000a000))

14:49:33 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x50, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  438.188812][T17998] FS-Cache: Duplicate cookie detected
[  438.195233][T17998] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  438.239980][T17998] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
[  438.247358][T17998] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  438.256402][T17998] FS-Cache: N-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  438.265425][T17998] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801970f000
[  438.273118][T17998] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  438.282667][T18002] FS-Cache: Duplicate cookie detected
[  438.288583][T18002] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  438.297793][T18002] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
[  438.319761][T18002] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  438.328853][T18002] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:33 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c, &(0x7f000000a000))

[  438.337889][T18002] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e7fe000
[  438.345411][T18002] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:34 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c, &(0x7f000000a000))

14:49:34 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x74, &(0x7f000000a000))

14:49:34 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:34 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x5, 0x67, 0x1000)

[  438.776481][T18018] FS-Cache: Duplicate cookie detected
[  438.782438][T18018] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  438.797877][T18018] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  438.805400][T18018] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  438.813980][T18018] FS-Cache: N-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:34 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a, &(0x7f000000a000))

[  438.836205][T18018] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dd59000
[  438.843695][T18018] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  438.916319][T18025] FS-Cache: Duplicate cookie detected
[  438.961621][T18025] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  438.970923][T18025] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  438.978370][T18025] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  438.987135][T18025] FS-Cache: N-cookie c=ffff888024ed2758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  438.996024][T18025] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e1f5000
[  439.003519][T18025] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:34 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x0, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:34 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x140, &(0x7f000000a000))

[  439.115709][T18004] FS-Cache: Duplicate cookie detected
[  439.121530][T18004] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  439.130519][T18004] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  439.137746][T18004] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  439.145124][T18004] FS-Cache: N-cookie c=ffff888143b0f028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  439.153901][T18004] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880275fc000
[  439.161277][T18004] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  439.170529][T18036] FS-Cache: Duplicate cookie detected
[  439.176013][T18036] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  439.185205][T18036] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  439.192510][T18036] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  439.199829][T18036] FS-Cache: N-cookie c=ffff888024ed22f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  439.208646][T18036] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7a7000
[  439.215987][T18036] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:34 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  439.383085][T18039] FS-Cache: Duplicate cookie detected
[  439.388875][T18039] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  439.398823][T18039] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  439.408217][T18039] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  439.417928][T18039] FS-Cache: N-cookie c=ffff888024ed38f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  439.427019][T18039] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d876000
[  439.457107][T18039] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  439.519077][T18042] FS-Cache: Duplicate cookie detected
[  439.525877][T18042] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  439.550732][T18042] FS-Cache: O-cookie d=0000000000000000 n=0000000000000000
[  439.558154][T18042] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  439.567374][T18042] FS-Cache: N-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  439.576278][T18042] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c63d000
[  439.583749][T18042] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:35 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x60, &(0x7f000000a000))

14:49:35 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:35 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

[  439.965188][ T3228] ieee802154 phy0 wpan0: encryption failed: -22
[  439.973475][ T3228] ieee802154 phy1 wpan1: encryption failed: -22
[  440.001737][T18057] FS-Cache: Duplicate cookie detected
[  440.007447][T18057] FS-Cache: O-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.022410][T18057] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  440.029731][T18057] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.037948][T18057] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.046832][T18057] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d9ff000
[  440.054275][T18057] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  440.065794][T18061] FS-Cache: Duplicate cookie detected
[  440.071440][T18061] FS-Cache: O-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.080416][T18061] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  440.087644][T18061] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.095023][T18061] FS-Cache: N-cookie c=ffff888024ed2eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.103802][T18061] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027018000
14:49:35 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x68, &(0x7f000000a000))

[  440.111144][T18061] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:35 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))

14:49:35 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c, &(0x7f000000a000))

14:49:35 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x0, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  440.280409][T18067] FS-Cache: Duplicate cookie detected
[  440.285849][T18067] FS-Cache: O-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.294869][T18067] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  440.302195][T18067] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.309858][T18067] FS-Cache: N-cookie c=ffff888024ed2a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.318622][T18067] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d130000
[  440.326202][T18067] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  440.384314][T18046] FS-Cache: Duplicate cookie detected
[  440.389812][T18046] FS-Cache: O-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.398998][T18046] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  440.406325][T18046] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.413708][T18046] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.422488][T18046] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801455a000
14:49:35 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x74, &(0x7f000000a000))

[  440.429783][T18046] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:35 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x64, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  440.497744][T18072] FS-Cache: Duplicate cookie detected
[  440.506612][T18072] FS-Cache: O-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.515720][T18072] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888012304000
[  440.523649][T18072] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.532597][T18072] FS-Cache: N-cookie c=ffff888024ed3be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.541608][T18072] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bda7000
[  440.549089][T18072] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:36 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

14:49:36 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

14:49:36 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x68, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:36 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a, &(0x7f000000a000))

[  440.925280][T18088] FS-Cache: Duplicate cookie detected
[  440.931103][T18088] FS-Cache: O-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  440.940362][T18088] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802efbf000
[  440.947889][T18088] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  440.956001][T18088] FS-Cache: N-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  440.965209][T18088] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df9e000
[  440.989521][T18088] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:36 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))

[  441.140533][T18098] FS-Cache: Duplicate cookie detected
[  441.146075][T18098] FS-Cache: O-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  441.155060][T18098] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802efbf000
[  441.162511][T18098] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  441.169821][T18098] FS-Cache: N-cookie c=ffff888024ed31a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  441.179287][T18098] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  441.186921][T18098] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  441.232336][T18102] FS-Cache: Duplicate cookie detected
[  441.237830][T18102] FS-Cache: O-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  441.247052][T18102] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802efbf000
[  441.254369][T18102] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  441.261747][T18102] FS-Cache: N-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  441.270569][T18102] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880238ba000
14:49:36 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x0, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:36 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  441.278496][T18102] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:36 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x500, &(0x7f000000a000))

[  441.486643][T18108] FS-Cache: Duplicate cookie detected
[  441.498579][T18108] FS-Cache: O-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  441.508070][T18108] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802efbf000
[  441.515586][T18108] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  441.523775][T18108] FS-Cache: N-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  441.533046][T18108] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d24f000
[  441.540862][T18108] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:37 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x74, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:37 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

[  441.746004][T18117] FS-Cache: Duplicate cookie detected
[  441.752299][T18117] FS-Cache: O-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  441.761876][T18117] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  441.769280][T18117] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  441.777941][T18117] FS-Cache: N-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:37 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

[  441.818925][T18117] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026409000
[  441.826348][T18117] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  441.926780][T18123] FS-Cache: Duplicate cookie detected
[  441.932673][T18123] FS-Cache: O-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  441.942067][T18123] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  441.949417][T18123] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  441.958191][T18123] FS-Cache: N-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:37 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  441.970679][T18123] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802f910000
[  441.978080][T18123] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  442.069855][T18127] FS-Cache: Duplicate cookie detected
[  442.075489][T18127] FS-Cache: O-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  442.084522][T18127] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  442.091904][T18127] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  442.099207][T18127] FS-Cache: N-cookie c=ffff888024ed2178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  442.108018][T18127] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807daa2000
[  442.115302][T18127] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:37 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x500, &(0x7f000000a000))

14:49:37 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf0, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:37 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x0)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  442.404749][T18135] FS-Cache: Duplicate cookie detected
[  442.410680][T18135] FS-Cache: O-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  442.419727][T18135] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  442.427389][T18135] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  442.436294][T18135] FS-Cache: N-cookie c=ffff8880196c9780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  442.445415][T18135] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc6f000
[  442.453016][T18135] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  442.482715][T18139] FS-Cache: Duplicate cookie detected
[  442.488483][T18139] FS-Cache: O-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  442.498412][T18139] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  442.518262][T18139] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  442.527010][T18139] FS-Cache: N-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  442.535985][T18139] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc68000
[  442.543662][T18139] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:38 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x600, &(0x7f000000a000))

14:49:38 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x3, 0x67, 0x1000)

14:49:38 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f4, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  442.765247][T18152] FS-Cache: Duplicate cookie detected
[  442.772179][T18152] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  442.781301][T18152] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  442.788706][T18152] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  442.797153][T18152] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  442.806215][T18152] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888013ae1000
[  442.813601][T18152] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:38 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf0, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:38 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  443.085171][T18160] FS-Cache: Duplicate cookie detected
[  443.092645][T18160] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.102136][T18160] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  443.109610][T18160] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:38 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x4, 0x67, 0x1000)

[  443.147688][T18160] FS-Cache: N-cookie c=ffff888024ed3a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.156728][T18160] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802364b000
[  443.164230][T18160] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  443.254295][T18165] FS-Cache: Duplicate cookie detected
[  443.259732][T18165] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.269050][T18165] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  443.276339][T18165] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  443.283699][T18165] FS-Cache: N-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.292543][T18165] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025c0f000
[  443.299762][T18165] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  443.312867][T18167] FS-Cache: Duplicate cookie detected
[  443.318403][T18167] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.330157][T18167] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  443.337548][T18167] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:38 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x600, &(0x7f000000a000))

14:49:38 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x0)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  443.347008][T18167] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.355861][T18167] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801834b000
[  443.363350][T18167] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  443.470564][T18173] FS-Cache: Duplicate cookie detected
[  443.476166][T18173] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.490339][T18173] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  443.497716][T18173] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  443.505992][T18173] FS-Cache: N-cookie c=ffff88802e9d5be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.514894][T18173] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bf08000
[  443.522473][T18173] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  443.532095][T18174] FS-Cache: Duplicate cookie detected
[  443.537837][T18174] FS-Cache: O-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.548609][T18174] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  443.556232][T18174] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  443.564813][T18174] FS-Cache: N-cookie c=ffff8880196c8a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.573977][T18174] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802764a000
[  443.581768][T18174] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:39 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x3, 0x67, 0x1000)

14:49:39 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x700, &(0x7f000000a000))

[  443.825497][T18185] FS-Cache: Duplicate cookie detected
[  443.831197][T18185] FS-Cache: O-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  443.840480][T18185] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d72000
[  443.847710][T18185] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  443.855217][T18185] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  443.863984][T18185] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027744000
[  443.871270][T18185] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:39 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3e8, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:39 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:39 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x500, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  444.301859][T18196] FS-Cache: Duplicate cookie detected
[  444.307494][T18196] FS-Cache: O-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.317350][T18196] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d72000
[  444.324863][T18196] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  444.333152][T18196] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.341983][T18196] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801810c000
[  444.349639][T18196] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  444.361032][T18197] FS-Cache: Duplicate cookie detected
[  444.366817][T18197] FS-Cache: O-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.376041][T18197] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d72000
[  444.383728][T18197] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  444.392801][T18197] FS-Cache: N-cookie c=ffff8880196c9318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.402299][T18197] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888023adb000
[  444.409774][T18197] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  444.418413][T18204] FS-Cache: Duplicate cookie detected
[  444.424053][T18204] FS-Cache: O-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.433053][T18204] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d72000
[  444.440384][T18204] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:39 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x0)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  444.440541][T18204] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.440573][T18204] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c8db000
[  444.440588][T18204] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:40 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x67, 0x1000)

14:49:40 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x700, &(0x7f000000a000))

[  444.692134][T18211] FS-Cache: Duplicate cookie detected
[  444.697625][T18211] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.706680][T18211] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888022c95000
[  444.713996][T18211] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  444.721368][T18211] FS-Cache: N-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.730160][T18211] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880276fa000
[  444.737378][T18211] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  444.811863][T18215] FS-Cache: Duplicate cookie detected
[  444.817500][T18215] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.827096][T18215] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888022c95000
[  444.834482][T18215] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  444.844567][T18215] FS-Cache: N-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.853706][T18215] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880271a8000
[  444.872375][T18215] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  444.937027][T18219] FS-Cache: Duplicate cookie detected
[  444.942710][T18219] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  444.951718][T18219] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888022c95000
[  444.958939][T18219] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  444.967341][T18219] FS-Cache: N-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  444.976354][T18219] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7cb000
14:49:40 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x900, &(0x7f000000a000))

[  444.983644][T18219] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  445.123792][T18224] FS-Cache: Duplicate cookie detected
[  445.129271][T18224] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.138425][T18224] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888022c95000
[  445.145763][T18224] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.153136][T18224] FS-Cache: N-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.162035][T18224] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cd1c000
[  445.170026][T18224] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:40 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x600, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:40 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  445.317379][T18227] FS-Cache: Duplicate cookie detected
[  445.324117][T18227] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.333560][T18227] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888022c95000
[  445.341308][T18227] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.351383][T18227] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.360255][T18227] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df45000
[  445.367559][T18227] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  445.387069][T18231] FS-Cache: Duplicate cookie detected
[  445.394178][T18231] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.404301][T18231] FS-Cache: O-cookie d=0000000000000000 n=0000000000000000
[  445.411776][T18231] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.420750][T18231] FS-Cache: N-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.429636][T18231] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888028d28000
[  445.437418][T18231] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:40 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(0x0, &(0x7f0000000000)='net/dev\x00')

14:49:41 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x67, 0x1000)

[  445.735148][T18239] FS-Cache: Duplicate cookie detected
[  445.741312][T18239] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.750833][T18239] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  445.758194][T18239] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.767262][T18239] FS-Cache: N-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.776603][T18239] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025dca000
[  445.786332][T18239] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  445.849008][T18244] FS-Cache: Duplicate cookie detected
[  445.854748][T18244] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.863739][T18244] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  445.871061][T18244] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.878389][T18244] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.887229][T18244] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cb3a000
[  445.894544][T18244] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:41 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x900, &(0x7f000000a000))

[  445.958161][T18248] FS-Cache: Duplicate cookie detected
[  445.964001][T18248] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  445.973014][T18248] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  445.980346][T18248] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  445.987662][T18248] FS-Cache: N-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  445.996471][T18248] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dc3a000
[  446.003766][T18248] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.090282][T18251] FS-Cache: Duplicate cookie detected
[  446.095859][T18251] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.104879][T18251] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  446.112204][T18251] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.119513][T18251] FS-Cache: N-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.128310][T18251] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888021fe6000
14:49:41 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa00, &(0x7f000000a000))

[  446.135645][T18251] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.186297][T18233] FS-Cache: Duplicate cookie detected
[  446.192471][T18233] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.201777][T18233] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  446.209007][T18233] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.216379][T18233] FS-Cache: N-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.225148][T18233] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bbcf000
14:49:41 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x67, 0x1000)

14:49:41 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x700, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  446.232439][T18233] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.304389][T18256] FS-Cache: Duplicate cookie detected
[  446.309974][T18256] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.318861][T18256] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  446.326200][T18256] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.333676][T18256] FS-Cache: N-cookie c=ffff88802e9d4bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.342670][T18256] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880270c0000
[  446.349987][T18256] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.431007][T18260] FS-Cache: Duplicate cookie detected
[  446.436824][T18260] FS-Cache: O-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.450093][T18260] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e3af000
[  446.457567][T18260] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.465794][T18260] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.474760][T18260] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d4f000
[  446.482229][T18260] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:42 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x1000)

14:49:42 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(0x0, &(0x7f0000000000)='net/dev\x00')

[  446.700880][T18268] FS-Cache: Duplicate cookie detected
[  446.706438][T18268] FS-Cache: O-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.716896][T18268] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028a76000
[  446.724417][T18268] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.732769][T18268] FS-Cache: N-cookie c=ffff8880196c8d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.741639][T18268] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880216f5000
[  446.748941][T18268] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.783682][T18271] FS-Cache: Duplicate cookie detected
[  446.789412][T18271] FS-Cache: O-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.825705][T18271] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028a76000
[  446.847290][T18271] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.856065][T18271] FS-Cache: N-cookie c=ffff88802e9d5490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.864953][T18271] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bd31000
[  446.872355][T18271] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  446.944878][T18276] FS-Cache: Duplicate cookie detected
[  446.950474][T18276] FS-Cache: O-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  446.959355][T18276] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028a76000
[  446.966762][T18276] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  446.974369][T18276] FS-Cache: N-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  446.983183][T18276] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014949000
[  446.990491][T18276] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:42 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa00, &(0x7f000000a000))

[  447.149072][T18279] FS-Cache: Duplicate cookie detected
[  447.156271][T18279] FS-Cache: O-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  447.166268][T18279] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028a76000
[  447.174147][T18279] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  447.182932][T18279] FS-Cache: N-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  447.191752][T18279] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e7fc000
[  447.199277][T18279] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  447.208533][T18282] FS-Cache: Duplicate cookie detected
[  447.214835][T18282] FS-Cache: O-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  447.224136][T18282] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028a76000
[  447.231428][T18282] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  447.238723][T18282] FS-Cache: N-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:42 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))

[  447.247657][T18282] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bd33000
[  447.255001][T18282] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:42 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x900, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:42 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x67, 0x1000)

[  447.547571][T18290] FS-Cache: Duplicate cookie detected
[  447.553648][T18290] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  447.569769][T18290] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  447.577400][T18290] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  447.586264][T18290] FS-Cache: N-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  447.595136][T18290] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e689000
[  447.602631][T18290] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  447.613245][T18291] FS-Cache: Duplicate cookie detected
[  447.618866][T18291] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
14:49:43 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(0x0, &(0x7f0000000000)='net/dev\x00')

[  447.664320][T18291] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  447.671719][T18291] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  447.681739][T18291] FS-Cache: N-cookie c=ffff88802e9d51a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  447.690846][T18291] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888029540000
[  447.698212][T18291] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:43 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x1000)

[  447.845544][T18298] FS-Cache: Duplicate cookie detected
[  447.853300][T18298] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  447.863251][T18298] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  447.871480][T18298] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  447.879511][T18298] FS-Cache: N-cookie c=ffff88802e9d5780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  447.888800][T18298] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880241d0000
[  447.897372][T18298] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  447.973720][T18299] FS-Cache: Duplicate cookie detected
[  447.979521][T18299] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  447.988814][T18299] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  447.996623][T18299] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  448.005446][T18299] FS-Cache: N-cookie c=ffff888024ed2758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.014400][T18299] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801881f000
[  448.021806][T18299] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  448.034365][T18302] FS-Cache: Duplicate cookie detected
[  448.039853][T18302] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  448.049198][T18302] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  448.056466][T18302] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  448.063873][T18302] FS-Cache: N-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.072625][T18302] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888023528000
[  448.079848][T18302] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:43 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))

[  448.231539][T18311] FS-Cache: Duplicate cookie detected
[  448.237736][T18311] FS-Cache: O-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  448.247044][T18311] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd88000
[  448.254409][T18311] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  448.261779][T18311] FS-Cache: N-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.270524][T18311] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88806bf15000
[  448.277756][T18311] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:43 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc00, &(0x7f000000a000))

14:49:43 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x1000)

14:49:43 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  448.489018][T18317] FS-Cache: Duplicate cookie detected
[  448.496209][T18317] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  448.505300][T18317] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  448.512875][T18317] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  448.521831][T18317] FS-Cache: N-cookie c=ffff888024ed2eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.530700][T18317] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880155b8000
[  448.538073][T18317] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  448.715903][T18322] FS-Cache: Duplicate cookie detected
[  448.721991][T18322] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  448.736827][T18322] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  448.744435][T18322] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:44 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:44 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, 0x0)

[  448.787107][T18322] FS-Cache: N-cookie c=ffff888143b0f028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.796124][T18322] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807eaaf000
[  448.803635][T18322] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  448.901605][T18329] FS-Cache: Duplicate cookie detected
[  448.907361][T18329] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  448.917086][T18329] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  448.926736][T18329] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  448.935805][T18329] FS-Cache: N-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  448.945250][T18329] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d8ec000
[  448.985566][T18329] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  449.044606][T18332] FS-Cache: Duplicate cookie detected
[  449.050932][T18332] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.093353][T18332] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  449.100759][T18332] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.109197][T18332] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.118183][T18332] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d8ed000
[  449.125614][T18332] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  449.134961][T18335] FS-Cache: Duplicate cookie detected
14:49:44 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc00, &(0x7f000000a000))

[  449.140687][T18335] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.149569][T18335] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  449.156901][T18335] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.164704][T18335] FS-Cache: N-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.173574][T18335] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014559000
[  449.180864][T18335] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  449.317700][T18342] FS-Cache: Duplicate cookie detected
[  449.323423][T18342] FS-Cache: O-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.332438][T18342] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802b60a000
[  449.339666][T18342] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.347108][T18342] FS-Cache: N-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.355935][T18342] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888022fc7000
14:49:44 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x1000)

[  449.363936][T18342] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:44 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd00, &(0x7f000000a000))

14:49:44 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  449.639628][T18352] FS-Cache: Duplicate cookie detected
[  449.649214][T18352] FS-Cache: O-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.658314][T18352] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888026215000
[  449.665829][T18352] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.675243][T18352] FS-Cache: N-cookie c=ffff888024ed2a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.684122][T18352] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d09b000
[  449.691580][T18352] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  449.701203][T18349] FS-Cache: Duplicate cookie detected
[  449.706791][T18349] FS-Cache: O-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.715943][T18349] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888026215000
[  449.723341][T18349] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.730721][T18349] FS-Cache: N-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.739453][T18349] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880149bd000
[  449.746800][T18349] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:45 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, 0x0)

14:49:45 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  449.947926][T18357] FS-Cache: Duplicate cookie detected
[  449.956309][T18357] FS-Cache: O-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  449.966391][T18357] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888026215000
[  449.973967][T18357] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  449.990715][T18357] FS-Cache: N-cookie c=ffff888024ed2d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  449.999652][T18357] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807eda6000
[  450.007247][T18357] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  450.124752][T18360] FS-Cache: Duplicate cookie detected
[  450.131079][T18360] FS-Cache: O-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.140340][T18360] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888026215000
[  450.147865][T18360] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.157143][T18360] FS-Cache: N-cookie c=ffff888143b0e2f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  450.166344][T18360] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e6d4000
[  450.174155][T18360] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  450.248029][T18365] FS-Cache: Duplicate cookie detected
[  450.254105][T18365] FS-Cache: O-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.263071][T18365] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888026215000
[  450.270351][T18365] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.277665][T18365] FS-Cache: N-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  450.286484][T18365] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807eda7000
[  450.293847][T18365] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:45 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd00, &(0x7f000000a000))

14:49:45 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc00, &(0x7f000000a000))

[  450.486015][T18373] FS-Cache: Duplicate cookie detected
[  450.498823][T18373] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.507997][T18373] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  450.515388][T18373] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.524140][T18373] FS-Cache: N-cookie c=ffff888024ed2178 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:45 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe00, &(0x7f000000a000))

[  450.533025][T18373] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c9fd000
[  450.540502][T18373] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  450.557266][T18353] FS-Cache: Duplicate cookie detected
[  450.562790][T18353] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.571786][T18353] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  450.579003][T18353] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.586443][T18353] FS-Cache: N-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  450.595486][T18353] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c9fe000
[  450.603065][T18353] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  450.624584][T18377] FS-Cache: Duplicate cookie detected
14:49:46 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xbb8, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  450.630409][T18377] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.639293][T18377] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  450.646604][T18377] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.653976][T18377] FS-Cache: N-cookie c=ffff888143b0ed38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  450.662746][T18377] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d29f000
[  450.670053][T18377] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:46 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  450.872938][T18383] FS-Cache: Duplicate cookie detected
[  450.878727][T18383] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  450.891790][T18383] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  450.899214][T18383] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  450.908181][T18383] FS-Cache: N-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:46 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, 0x0)

[  450.917021][T18383] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801f807000
[  450.924458][T18383] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:46 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  451.048851][T18388] FS-Cache: Duplicate cookie detected
[  451.055725][T18388] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.064944][T18388] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  451.073079][T18388] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.081526][T18388] FS-Cache: N-cookie c=ffff888143b0f1a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.090447][T18388] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc6d000
[  451.097895][T18388] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  451.141366][T18391] FS-Cache: Duplicate cookie detected
[  451.147098][T18391] FS-Cache: O-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.156678][T18391] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cbe6000
[  451.164540][T18391] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.173143][T18391] FS-Cache: N-cookie c=ffff888024ed31a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.182320][T18391] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807de6e000
[  451.190100][T18391] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:46 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:46 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe00, &(0x7f000000a000))

[  451.498403][T18401] FS-Cache: Duplicate cookie detected
[  451.503990][T18401] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.513631][T18401] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  451.521245][T18401] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.528590][T18401] FS-Cache: N-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.537390][T18401] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026663000
[  451.544704][T18401] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  451.553612][T18406] FS-Cache: Duplicate cookie detected
[  451.559302][T18406] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.568759][T18406] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  451.576267][T18406] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.585067][T18406] FS-Cache: N-cookie c=ffff888024ed38f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.594651][T18406] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc69000
[  451.602373][T18406] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1020, &(0x7f000000a000))

14:49:47 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))

[  451.799390][T18414] FS-Cache: Duplicate cookie detected
[  451.805094][T18414] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.814232][T18414] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  451.822217][T18414] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.829524][T18414] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.838581][T18414] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801af9f000
14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1100, &(0x7f000000a000))

[  451.845909][T18414] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:47 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x1000)

[  451.938131][T18393] FS-Cache: Duplicate cookie detected
[  451.943703][T18393] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  451.952877][T18393] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  451.960444][T18393] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  451.967754][T18393] FS-Cache: N-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  451.976631][T18393] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802b71c000
[  451.983965][T18393] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1200, &(0x7f000000a000))

[  452.068520][T18423] FS-Cache: Duplicate cookie detected
[  452.082591][T18423] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  452.091865][T18423] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  452.099274][T18423] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  452.107925][T18423] FS-Cache: N-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:47 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  452.116811][T18423] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df73000
[  452.124369][T18423] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1800, &(0x7f000000a000))

14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e91, &(0x7f000000a000))

14:49:47 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:47 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e92, &(0x7f000000a000))

[  452.409645][T18438] FS-Cache: Duplicate cookie detected
[  452.415309][T18438] FS-Cache: O-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  452.424286][T18438] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caeb000
[  452.431611][T18438] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  452.438947][T18438] FS-Cache: N-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  452.447733][T18438] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807db68000
[  452.455036][T18438] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  452.529001][T18446] FS-Cache: Duplicate cookie detected
[  452.536558][T18446] FS-Cache: O-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
14:49:48 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e93, &(0x7f000000a000))

14:49:48 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1020, &(0x7f000000a000))

[  452.576130][T18446] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caeb000
[  452.583521][T18446] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  452.591973][T18446] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  452.600949][T18446] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020867000
[  452.608474][T18446] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:48 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x5, 0x67, 0x1000)

14:49:48 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1100, &(0x7f000000a000))

14:49:48 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e94, &(0x7f000000a000))

[  452.862901][T18459] FS-Cache: Duplicate cookie detected
[  452.868577][T18459] FS-Cache: O-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  452.877757][T18459] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807caeb000
[  452.885511][T18459] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  452.900159][T18459] FS-Cache: N-cookie c=ffff888024ed22f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  452.909248][T18459] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016ea8000
[  452.916812][T18459] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:48 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1020, &(0x7f000000a000))

14:49:48 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1200, &(0x7f000000a000))

14:49:48 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:48 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1800, &(0x7f000000a000))

14:49:48 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e95, &(0x7f000000a000))

14:49:48 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:48 executing program 1 (fault-call:17 fault-nth:0):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:48 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f87, &(0x7f000000a000))

14:49:48 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e96, &(0x7f000000a000))

[  453.505517][T18487] FS-Cache: Duplicate cookie detected
[  453.512061][T18487] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  453.521202][T18487] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3fe000
[  453.528588][T18487] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  453.537146][T18487] FS-Cache: N-cookie c=ffff888024ed3780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  453.546051][T18487] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b47a000
[  453.553672][T18487] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  453.555953][T18491] FAULT_INJECTION: forcing a failure.
[  453.555953][T18491] name failslab, interval 1, probability 0, space 0, times 0
[  453.592091][T18490] FS-Cache: Duplicate cookie detected
[  453.597575][T18490] FS-Cache: O-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  453.606755][T18490] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3fe000
[  453.614027][T18490] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  453.621397][T18490] FS-Cache: N-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  453.630152][T18490] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888022db0000
[  453.637378][T18490] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:49 executing program 5 (fault-call:8 fault-nth:0):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  453.687329][T18491] CPU: 0 PID: 18491 Comm: syz-executor.1 Not tainted 5.12.0-rc6-syzkaller #0
[  453.696163][T18491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.706281][T18491] Call Trace:
[  453.709587][T18491]  dump_stack+0x176/0x24e
[  453.713955][T18491]  should_fail+0x384/0x4b0
[  453.718403][T18491]  ? getname_flags+0xba/0x640
[  453.723101][T18491]  should_failslab+0x5/0x20
[  453.727626][T18491]  kmem_cache_alloc+0x6b/0x350
[  453.732430][T18491]  getname_flags+0xba/0x640
[  453.736965][T18491]  do_sys_openat2+0x5b/0x380
[  453.741591][T18491]  __x64_sys_openat+0x1c8/0x1f0
[  453.746477][T18491]  do_syscall_64+0x2d/0x70
[  453.747090][T18499] FAULT_INJECTION: forcing a failure.
[  453.747090][T18499] name failslab, interval 1, probability 0, space 0, times 0
[  453.750920][T18491]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  453.750950][T18491] RIP: 0033:0x419544
[  453.750967][T18491] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
[  453.750984][T18491] RSP: 002b:00007fdf542bb060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
[  453.751008][T18491] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000419544
[  453.751022][T18491] RDX: 0000000000000002 RSI: 00007fdf542bb0f0 RDI: 00000000ffffff9c
[  453.751036][T18491] RBP: 00007fdf542bb0f0 R08: 0000000000000000 R09: 00007fdf542baf70
[  453.751048][T18491] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
14:49:49 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1e97, &(0x7f000000a000))

14:49:49 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f88, &(0x7f000000a000))

[  453.751059][T18491] R13: 00007ffe876b4dbf R14: 00007fdf542bb300 R15: 0000000000022000
[  453.932496][T18499] CPU: 1 PID: 18499 Comm: syz-executor.5 Not tainted 5.12.0-rc6-syzkaller #0
[  453.941332][T18499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.951413][T18499] Call Trace:
[  453.954705][T18499]  dump_stack+0x176/0x24e
[  453.959059][T18499]  should_fail+0x384/0x4b0
[  453.963498][T18499]  ? __se_sys_mount+0x4c/0x320
[  453.968271][T18499]  should_failslab+0x5/0x20
[  453.972778][T18499]  __kmalloc_track_caller+0x8b/0x390
[  453.978074][T18499]  ? strnlen_user+0x1a7/0x260
[  453.982761][T18499]  strndup_user+0x73/0x150
[  453.987191][T18499]  __se_sys_mount+0x4c/0x320
[  453.991806][T18499]  ? lockdep_hardirqs_on+0x8d/0x130
[  453.997025][T18499]  do_syscall_64+0x2d/0x70
[  454.001458][T18499]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  454.007364][T18499] RIP: 0033:0x466459
[  454.011265][T18499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  454.030884][T18499] RSP: 002b:00007f0b3a727188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.039326][T18499] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  454.047318][T18499] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  454.055306][T18499] RBP: 00007f0b3a7271d0 R08: 000000002000a000 R09: 0000000000000000
[  454.063297][T18499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  454.071293][T18499] R13: 00007ffe47f9cf1f R14: 00007f0b3a727300 R15: 0000000000022000
14:49:49 executing program 5 (fault-call:8 fault-nth:1):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:49 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000, &(0x7f000000a000))

14:49:49 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f89, &(0x7f000000a000))

14:49:49 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:49 executing program 2 (fault-call:10 fault-nth:0):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:49 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  454.414434][T18512] FAULT_INJECTION: forcing a failure.
[  454.414434][T18512] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  454.469476][T18512] CPU: 0 PID: 18512 Comm: syz-executor.5 Not tainted 5.12.0-rc6-syzkaller #0
[  454.478316][T18512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.488406][T18512] Call Trace:
[  454.491713][T18512]  dump_stack+0x176/0x24e
[  454.496079][T18512]  should_fail+0x384/0x4b0
[  454.500545][T18512]  _copy_from_user+0x2d/0x170
[  454.505300][T18512]  strndup_user+0xb0/0x150
[  454.509742][T18512]  __se_sys_mount+0x4c/0x320
[  454.514358][T18512]  ? lockdep_hardirqs_on+0x8d/0x130
[  454.519593][T18512]  do_syscall_64+0x2d/0x70
[  454.524038][T18512]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  454.529958][T18512] RIP: 0033:0x466459
[  454.533876][T18512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  454.553515][T18512] RSP: 002b:00007f0b3a727188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.561972][T18512] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  454.569982][T18512] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  454.578055][T18512] RBP: 00007f0b3a7271d0 R08: 000000002000a000 R09: 0000000000000000
[  454.586059][T18512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  454.594067][T18512] R13: 00007ffe47f9cf1f R14: 00007f0b3a727300 R15: 0000000000022000
14:49:50 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2010, &(0x7f000000a000))

14:49:50 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f8a, &(0x7f000000a000))

[  454.738284][T18529] FS-Cache: Duplicate cookie detected
[  454.744547][T18529] FS-Cache: O-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  454.753776][T18529] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dc3a000
[  454.761381][T18529] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  454.770247][T18529] FS-Cache: N-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  454.779189][T18529] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807da5f000
[  454.786798][T18529] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  454.847868][T18528] FAULT_INJECTION: forcing a failure.
[  454.847868][T18528] name failslab, interval 1, probability 0, space 0, times 0
[  454.872736][T18528] CPU: 0 PID: 18528 Comm: syz-executor.2 Not tainted 5.12.0-rc6-syzkaller #0
[  454.881556][T18528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.891641][T18528] Call Trace:
[  454.894941][T18528]  dump_stack+0x176/0x24e
[  454.899303][T18528]  should_fail+0x384/0x4b0
[  454.903748][T18528]  ? __se_sys_mount+0x4c/0x320
[  454.908537][T18528]  should_failslab+0x5/0x20
[  454.913062][T18528]  __kmalloc_track_caller+0x8b/0x390
[  454.918383][T18528]  ? strnlen_user+0x1a7/0x260
[  454.923086][T18528]  strndup_user+0x73/0x150
[  454.927533][T18528]  __se_sys_mount+0x4c/0x320
[  454.932153][T18528]  ? lockdep_hardirqs_on+0x8d/0x130
[  454.937382][T18528]  do_syscall_64+0x2d/0x70
[  454.941823][T18528]  entry_SYSCALL_64_after_hwframe+0x44/0xae
14:49:50 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f8b, &(0x7f000000a000))

[  454.947733][T18528] RIP: 0033:0x466459
[  454.951663][T18528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  454.971725][T18528] RSP: 002b:00007f3d63714188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.980181][T18528] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  454.988184][T18528] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  454.996186][T18528] RBP: 00007f3d637141d0 R08: 000000002000a000 R09: 0000000000000000
[  455.004189][T18528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  455.012188][T18528] R13: 00007ffeac28ea9f R14: 00007f3d63714300 R15: 0000000000022000
14:49:50 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2100, &(0x7f000000a000))

14:49:50 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:50 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f8c, &(0x7f000000a000))

14:49:50 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2500, &(0x7f000000a000))

14:49:50 executing program 2 (fault-call:10 fault-nth:1):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:50 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1020, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:51 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000, &(0x7f000000a000))

[  455.537484][T18558] FAULT_INJECTION: forcing a failure.
[  455.537484][T18558] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  455.569319][T18558] CPU: 1 PID: 18558 Comm: syz-executor.2 Not tainted 5.12.0-rc6-syzkaller #0
[  455.578155][T18558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.588235][T18558] Call Trace:
[  455.591532][T18558]  dump_stack+0x176/0x24e
[  455.595882][T18558]  should_fail+0x384/0x4b0
[  455.600332][T18558]  _copy_from_user+0x2d/0x170
[  455.605021][T18558]  strndup_user+0xb0/0x150
[  455.609450][T18558]  __se_sys_mount+0x4c/0x320
[  455.614073][T18558]  ? lockdep_hardirqs_on+0x8d/0x130
[  455.619288][T18558]  do_syscall_64+0x2d/0x70
[  455.623717][T18558]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  455.629646][T18558] RIP: 0033:0x466459
[  455.633565][T18558] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  455.653186][T18558] RSP: 002b:00007f3d63714188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  455.661624][T18558] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  455.669616][T18558] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  455.677611][T18558] RBP: 00007f3d637141d0 R08: 000000002000a000 R09: 0000000000000000
[  455.685600][T18558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  455.693581][T18558] R13: 00007ffeac28ea9f R14: 00007f3d63714300 R15: 0000000000022000
14:49:51 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000001380)={<r3=>r1, 0x1000, "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"}, &(0x7f0000000300)=0x1008)
getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000340)=@assoc_value={r3, 0x2}, &(0x7f00000007c0)=0x8)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r4 = gettid()
process_vm_writev(r4, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r5 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0)
preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r5, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r4, &(0x7f0000000000)='net/dev\x00')

14:49:51 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1100, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:51 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3800, &(0x7f000000a000))

[  455.829371][T18567] FS-Cache: Duplicate cookie detected
[  455.836925][T18567] FS-Cache: O-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  455.846126][T18567] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880141b7000
[  455.855356][T18567] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  455.864467][T18567] FS-Cache: N-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  455.873735][T18567] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e0000
[  455.884982][T18567] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:51 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3f00, &(0x7f000000a000))

14:49:51 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1200, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:51 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2010, &(0x7f000000a000))

14:49:51 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:51 executing program 2 (fault-call:10 fault-nth:2):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:51 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000, &(0x7f000000a000))

14:49:51 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2100, &(0x7f000000a000))

14:49:51 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1800, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  456.433578][T18595] FAULT_INJECTION: forcing a failure.
[  456.433578][T18595] name failslab, interval 1, probability 0, space 0, times 0
[  456.452258][T18596] FS-Cache: Duplicate cookie detected
[  456.456089][T18595] CPU: 0 PID: 18595 Comm: syz-executor.2 Not tainted 5.12.0-rc6-syzkaller #0
[  456.457828][T18596] FS-Cache: O-cookie c=ffff8880196c8d38 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  456.466470][T18595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.466492][T18595] Call Trace:
[  456.466505][T18595]  dump_stack+0x176/0x24e
[  456.466546][T18595]  should_fail+0x384/0x4b0
[  456.466571][T18595]  ? __se_sys_mount+0x94/0x320
[  456.466594][T18595]  should_failslab+0x5/0x20
[  456.466612][T18595]  __kmalloc_track_caller+0x8b/0x390
[  456.466637][T18595]  ? strnlen_user+0x1a7/0x260
[  456.475560][T18596] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ce33000
[  456.485608][T18595]  strndup_user+0x73/0x150
[  456.485647][T18595]  __se_sys_mount+0x94/0x320
[  456.485667][T18595]  ? lockdep_hardirqs_on+0x8d/0x130
[  456.488943][T18596] FS-Cache: O-key=[16] '
[  456.493266][T18595]  do_syscall_64+0x2d/0x70
[  456.493300][T18595]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  456.493319][T18595] RIP: 0033:0x466459
[  456.497716][T18596] 02
[  456.502472][T18595] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  456.502493][T18595] RSP: 002b:00007f3d63714188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  456.502513][T18595] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  456.502533][T18595] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  456.507017][T18596] 00
[  456.512289][T18595] RBP: 00007f3d637141d0 R08: 000000002000a000 R09: 0000000000000000
[  456.512309][T18595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  456.512319][T18595] R13: 00007ffeac28ea9f R14: 00007f3d63714300 R15: 0000000000022000
[  456.631501][T18596] 000000000000020000807f000008'
[  456.636506][T18596] FS-Cache: N-cookie c=ffff88802e9d5780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  456.645291][T18596] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c0c4000
[  456.652596][T18596] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:52 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:52 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000340)=ANY=[@ANYBLOB="e6353ee29a0c008bd20000707aa6ac31387520ec96420c4e6e99a4a2"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
r4 = fsmount(0xffffffffffffffff, 0x0, 0x73)
sendto$inet(r4, &(0x7f00000007c0)="e95df53aa45aeab25bd1f90d609f6c698827e552c44442e6cf72b78f2628784fac2727645a7ec7df6bd621b5f879e0f91d74d1503c709c3b33e1a7fd0d12ed54cd5056b6776671be83db42483a280a22cec41790223c3c37fb9ef549dc46ee9c3c5e6893319b693543a7f7d53bc4ab4a7eb5afcd59096914f4321ef182f457db4a52a8233bbc59caeba39809baaace360c2d4d8693f04fd892edf0cd081dae1045365b1ef903fb", 0xa7, 0x24000095, &(0x7f0000000300)={0x2, 0x4e23, @multicast2}, 0x10)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:52 executing program 2 (fault-call:10 fault-nth:3):
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:52 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2500, &(0x7f000000a000))

[  457.104503][T18612] FAULT_INJECTION: forcing a failure.
[  457.104503][T18612] name fail_usercopy, interval 1, probability 0, space 0, times 0
14:49:52 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2010, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:52 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000, &(0x7f000000a000))

[  457.224055][T18612] CPU: 0 PID: 18612 Comm: syz-executor.2 Not tainted 5.12.0-rc6-syzkaller #0
[  457.232885][T18612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  457.242972][T18612] Call Trace:
[  457.246279][T18612]  dump_stack+0x176/0x24e
[  457.250636][T18612]  should_fail+0x384/0x4b0
[  457.255084][T18612]  _copy_from_user+0x2d/0x170
[  457.259874][T18612]  strndup_user+0xb0/0x150
[  457.264326][T18612]  __se_sys_mount+0x94/0x320
[  457.268946][T18612]  ? lockdep_hardirqs_on+0x8d/0x130
[  457.274201][T18612]  do_syscall_64+0x2d/0x70
[  457.278669][T18612]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  457.285556][T18612] RIP: 0033:0x466459
[  457.289570][T18612] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  457.309211][T18612] RSP: 002b:00007f3d63714188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
14:49:52 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  457.317663][T18612] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  457.325669][T18612] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  457.333671][T18612] RBP: 00007f3d637141d0 R08: 000000002000a000 R09: 0000000000000000
[  457.341676][T18612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  457.349682][T18612] R13: 00007ffeac28ea9f R14: 00007f3d63714300 R15: 0000000000022000
[  457.489948][T18629] FS-Cache: Duplicate cookie detected
[  457.495582][T18629] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  457.504723][T18629] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880190f7000
[  457.512347][T18629] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  457.520699][T18629] FS-Cache: N-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  457.529657][T18629] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880228c9000
[  457.537131][T18629] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  457.550876][T18631] FS-Cache: Duplicate cookie detected
[  457.557015][T18631] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  457.566234][T18631] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880190f7000
[  457.573514][T18631] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  457.580838][T18631] FS-Cache: N-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:49:53 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2500, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  457.589533][T18631] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bda2000
[  457.596826][T18631] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:53 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
openat$incfs(r2, &(0x7f0000000300)='.pending_reads\x00', 0x38b001, 0x9)
setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0xffffffffffffffd8)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:49:53 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4001, &(0x7f000000a000))

14:49:53 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2800, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  457.982887][T18645] FS-Cache: Duplicate cookie detected
[  457.988321][T18645] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  457.997390][T18645] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880190f7000
[  458.004751][T18645] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  458.012220][T18645] FS-Cache: N-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  458.021085][T18645] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880155bd000
[  458.028314][T18645] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  458.037917][T18644] FS-Cache: Duplicate cookie detected
[  458.050601][T18644] FS-Cache: O-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  458.059821][T18644] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880190f7000
[  458.067184][T18644] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  458.075863][T18644] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  458.084750][T18644] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc7d000
[  458.092163][T18644] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:53 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:53 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3800, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:53 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4800, &(0x7f000000a000))

[  458.444609][T18664] FS-Cache: Duplicate cookie detected
[  458.450659][T18664] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  458.459562][T18664] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ea66000
[  458.466980][T18664] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  458.474390][T18664] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  458.483883][T18664] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d240000
14:49:53 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  458.491470][T18664] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:53 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3f00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  458.621561][T18670] FS-Cache: Duplicate cookie detected
[  458.627296][T18670] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  458.637165][T18670] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ea66000
[  458.645092][T18670] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  458.653845][T18670] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  458.662796][T18670] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888030261000
[  458.670341][T18670] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:54 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  458.852184][T18677] FS-Cache: Duplicate cookie detected
[  458.857634][T18677] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  458.866836][T18677] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ea66000
[  458.874151][T18677] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  458.881544][T18677] FS-Cache: N-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  458.890348][T18677] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018fe1000
14:49:54 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114e58f7cd623c5d2bb2c9249dd44be32dc79b39802dda876840f3f971dd75e672f84a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f00000007c0)=ANY=[@ANYBLOB="9ba026b0b5efc0671385e8c2fc526e9ce66bfc45f8b7579e343f6b715e277c30c21ac2071915d3d4f91dd630c7831d9d7457dc7b8142fa5a96b9e7a863ba7b52b0d6932ac86c6d7c0c2f9002b9"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000300)=<r5=>0x0)
tkill(r5, 0x15)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  458.897579][T18677] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  459.025557][T18680] FS-Cache: Duplicate cookie detected
[  459.031214][T18680] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.040270][T18680] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807ea66000
[  459.047627][T18680] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.057204][T18680] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.066159][T18680] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c776000
14:49:54 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4800, &(0x7f000000a000))

[  459.074118][T18680] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:54 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  459.331693][T18692] FS-Cache: Duplicate cookie detected
[  459.337225][T18692] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.346340][T18692] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.353692][T18692] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.361221][T18692] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.370026][T18692] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019a51000
[  459.377276][T18692] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  459.419638][T18690] FS-Cache: Duplicate cookie detected
[  459.425499][T18690] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.434800][T18690] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.451163][T18690] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.459999][T18690] FS-Cache: N-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.468938][T18690] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019a53000
[  459.476461][T18690] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  459.507170][T18695] FS-Cache: Duplicate cookie detected
14:49:55 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c00, &(0x7f000000a000))

[  459.512843][T18695] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.521857][T18695] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.529075][T18695] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.536484][T18695] FS-Cache: N-cookie c=ffff8880196c9318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.545312][T18695] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019a54000
[  459.552581][T18695] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:55 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000800)=ANY=[@ANYBLOB="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"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
ioctl$FICLONE(r0, 0x40049409, r0)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa680, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}, 0x8000000200052e02, 0x400000008000080}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
sendto$inet(0xffffffffffffffff, &(0x7f0000000300)="69c100df1b7845da570b91f455ddd6d693495072634d92724d1484ddfb584c2d9bd48c912880568e7b379d155e339be77e698aed950954801652a25f5c2a3091063a1ec6f485dcb100482fbde263a065031411f3136fff0a86f4d089fdedc9c9c240a954dc65be2dcd2d4fa0e085628d1911bc57774ed3e5cd2a74402af4", 0x7e, 0x4040, &(0x7f00000007c0)={0x2, 0x4e23, @local}, 0x10)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000), 0x0, &(0x7f00000009c0)=[{&(0x7f0000000a00)=""/1, 0x1}, {&(0x7f0000000940)=""/32, 0x20}, {&(0x7f0000000980)=""/29, 0x1d}], 0x3, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
setsockopt$inet_udp_int(r2, 0x11, 0x67, &(0x7f0000000100)=0x89, 0x4)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000500)=[{&(0x7f0000000380)=""/18, 0x12}, {&(0x7f0000000a40)=""/259, 0x103}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000440)=""/93, 0x5d}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/47, 0x2f}, {&(0x7f0000000680)=""/149, 0x95}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:49:55 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  459.777603][T18700] FS-Cache: Duplicate cookie detected
[  459.784089][T18700] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.795492][T18700] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.803406][T18700] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.822233][T18700] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.831262][T18700] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014f88000
[  459.838701][T18700] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  459.849998][T18684] FS-Cache: Duplicate cookie detected
[  459.855528][T18684] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.864775][T18684] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.872165][T18684] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.879457][T18684] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.888236][T18684] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016865000
[  459.895529][T18684] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  459.919775][T18705] FS-Cache: Duplicate cookie detected
[  459.925510][T18705] FS-Cache: O-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  459.935016][T18705] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880211d9000
[  459.942591][T18705] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  459.951415][T18705] FS-Cache: N-cookie c=ffff8880196c9490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  459.960356][T18705] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b5b2000
[  459.967666][T18705] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:55 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4800, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  460.050994][T18708] nfs: Bad value for 'source'
14:49:55 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c00, &(0x7f000000a000))

14:49:55 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  460.343566][T18721] FS-Cache: Duplicate cookie detected
[  460.349085][T18721] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  460.358328][T18721] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  460.365619][T18721] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  460.373007][T18721] FS-Cache: N-cookie c=ffff8880196c8a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  460.381822][T18721] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018e40000
14:49:55 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000300)=""/42, 0x22}, {&(0x7f0000000880)=""/254, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000680)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f00000007c0)=""/175, 0xa0}], 0x1, 0x67, 0x1000)
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r4, 0x84, 0x6d, &(0x7f0000000340)={<r5=>r2, 0x3a, "3a9772de1aba48da1e2ba5501097c65f5d5289710ac9f2f9ef6290e587f64674ab3486daa8a7dfe849fbf453c4a1d931aa5a81182373f47ff7f5"}, &(0x7f00000003c0)=0x42)
setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000400)={0x800, 0x3, 0x200, 0x7fff, 0x8, 0x8, 0x7, 0x1, r5}, 0x20)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  460.389056][T18721] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  460.496221][T18724] FS-Cache: Duplicate cookie detected
[  460.502044][T18724] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  460.511399][T18724] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  460.518822][T18724] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  460.545396][T18724] FS-Cache: N-cookie c=ffff88802e9d5490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  460.554475][T18724] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801839c000
[  460.561967][T18724] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  460.572671][T18727] FS-Cache: Duplicate cookie detected
[  460.578378][T18727] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  460.587457][T18727] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  460.594861][T18727] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  460.603809][T18727] FS-Cache: N-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  460.613565][T18727] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025c0d000
[  460.620896][T18727] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  460.680962][T18731] FS-Cache: Duplicate cookie detected
[  460.686401][T18731] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  460.695403][T18731] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  460.702828][T18731] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  460.710317][T18731] FS-Cache: N-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  460.719025][T18731] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888013ae6000
[  460.726348][T18731] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  460.815114][T18735] FS-Cache: Duplicate cookie detected
[  460.820705][T18735] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  460.829591][T18735] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  460.837766][T18735] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  460.845483][T18735] FS-Cache: N-cookie c=ffff888024ed38f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  460.854289][T18735] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bf0f000
[  460.861566][T18735] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:56 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:56 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c00, &(0x7f000000a000))

[  460.994799][T18740] FS-Cache: Duplicate cookie detected
[  461.014119][T18740] FS-Cache: O-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.023260][T18740] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802cba1000
[  461.031189][T18740] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:56 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  461.039519][T18740] FS-Cache: N-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.048362][T18740] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027483000
[  461.055736][T18740] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  461.219611][T18748] FS-Cache: Duplicate cookie detected
[  461.225175][T18748] FS-Cache: O-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.234165][T18748] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e4a000
[  461.241725][T18748] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  461.249024][T18748] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.257967][T18748] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
14:49:56 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6000, &(0x7f000000a000))

[  461.265292][T18748] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  461.338136][T18752] FS-Cache: Duplicate cookie detected
[  461.343981][T18752] FS-Cache: O-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.353082][T18752] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e4a000
[  461.360404][T18752] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  461.367701][T18752] FS-Cache: N-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.376539][T18752] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d98000
14:49:56 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5000, &(0x7f000000a000))

[  461.383851][T18752] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:56 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:56 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6800, &(0x7f000000a000))

14:49:57 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e24, 0x2863, @ipv4={[], [], @loopback}, 0x80000000}}, 0x7, 0x7fffffff, 0x4, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1}], 0x1, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x1}], 0x1, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000300)={<r5=>0x0, 0xffffffe4}, &(0x7f0000000340)=0x8)
setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f00000007c0)={r5, @in6={{0xa, 0x4e24, 0x6, @dev={0xfe, 0x80, [], 0x40}, 0xffffffff}}}, 0x84)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:49:57 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c00, &(0x7f000000a000))

[  461.707119][T18767] FS-Cache: Duplicate cookie detected
[  461.714229][T18767] FS-Cache: O-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.723790][T18767] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e4a000
[  461.731458][T18767] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  461.740280][T18767] FS-Cache: N-cookie c=ffff888024ed22f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.749081][T18767] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e3d1000
[  461.806048][T18767] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  461.819793][T18769] FS-Cache: Duplicate cookie detected
[  461.827536][T18769] FS-Cache: O-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.836930][T18769] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e4a000
[  461.844299][T18769] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:57 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c00, &(0x7f000000a000))

[  461.852903][T18769] FS-Cache: N-cookie c=ffff8880196c9780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.861948][T18769] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888028d73000
[  461.869263][T18769] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  461.941389][T18775] FS-Cache: Duplicate cookie detected
[  461.946944][T18775] FS-Cache: O-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  461.955960][T18775] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888013e4a000
[  461.964071][T18775] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  461.971929][T18775] FS-Cache: N-cookie c=ffff888024ed3490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  461.980666][T18775] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dc68000
[  461.987917][T18775] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:57 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:57 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:57 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6000, &(0x7f000000a000))

14:49:57 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7400, &(0x7f000000a000))

14:49:57 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6400, &(0x7f000000a000))

14:49:57 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a00, &(0x7f000000a000))

[  462.526419][T18801] FS-Cache: Duplicate cookie detected
[  462.531888][T18801] FS-Cache: O-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  462.540943][T18801] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bcab000
[  462.548174][T18801] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  462.555567][T18801] FS-Cache: N-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  462.564374][T18801] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ddbb000
14:49:58 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  462.571732][T18801] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:58 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:58 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f00000007c0)=ANY=[@ANYBLOB="b93b4cd36d0952432fbb59edef79b5ef174b294ceac4c87abcd652cd1e1ff500e5dce894cbc0174de7cf6fa6604ac618c932386cc75a45e798976e6bc45a8f18d1334ebca9b032a85f24d6ceec614dc58fdfd44f081def77b3fe26c71f2fab811c8725e2988ce7a9227975abe840eef9ada8fb3a8519f7b9b4066337baf65eb9472da8d80954d75e577a6aa848a4a530f6967d23aa4a7b84"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f0000000300)={r1, 0x2, 0x20, 0x3f, 0x8}, &(0x7f0000000340)=0x18)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:58 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x871f, &(0x7f000000a000))

14:49:58 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6800, &(0x7f000000a000))

14:49:58 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6400, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  462.872632][T18821] FS-Cache: Duplicate cookie detected
[  462.878189][T18821] FS-Cache: O-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  462.887999][T18821] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bcab000
[  462.895583][T18821] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  462.902961][T18821] FS-Cache: N-cookie c=ffff888024ed3780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  462.911756][T18821] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024204000
[  462.918992][T18821] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  463.028208][T18823] FS-Cache: Duplicate cookie detected
[  463.034773][T18823] FS-Cache: O-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  463.044062][T18823] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807bcab000
[  463.051935][T18823] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  463.060663][T18823] FS-Cache: N-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  463.069448][T18823] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880167ca000
[  463.078128][T18823] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:58 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:58 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c00, &(0x7f000000a000))

14:49:58 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6800, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:58 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:49:58 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7400, &(0x7f000000a000))

14:49:59 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  463.628983][T18844] FS-Cache: Duplicate cookie detected
[  463.636660][T18844] FS-Cache: O-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  463.646168][T18844] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd5c000
[  463.654078][T18844] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  463.662530][T18844] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  463.672005][T18844] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e7fc000
[  463.679479][T18844] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  463.777558][T18849] FS-Cache: Duplicate cookie detected
[  463.783155][T18849] FS-Cache: O-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  463.792244][T18849] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd5c000
[  463.799472][T18849] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  463.807389][T18849] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  463.816351][T18849] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888079943000
[  463.823658][T18849] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:59 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a00, &(0x7f000000a000))

14:49:59 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:49:59 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7400, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:59 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x881f, &(0x7f000000a000))

[  464.087912][T18862] FS-Cache: Duplicate cookie detected
[  464.098800][T18862] FS-Cache: O-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  464.116542][T18862] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd5c000
[  464.124085][T18862] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:49:59 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x911e, &(0x7f000000a000))

[  464.132400][T18862] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  464.141266][T18862] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ede5000
[  464.149049][T18862] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  464.282680][T18871] FS-Cache: Duplicate cookie detected
[  464.288213][T18871] FS-Cache: O-cookie c=ffff888024ed2000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  464.297507][T18871] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd5c000
[  464.304784][T18871] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  464.312152][T18871] FS-Cache: N-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  464.320951][T18871] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801af6b000
[  464.328178][T18871] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:49:59 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:49:59 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:49:59 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x921e, &(0x7f000000a000))

14:50:00 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
preadv(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x1000, 0xfffffffe)

14:50:00 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x931e, &(0x7f000000a000))

[  464.752026][T18887] FS-Cache: Duplicate cookie detected
[  464.757642][T18887] FS-Cache: O-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  464.767421][T18887] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e93a000
[  464.775050][T18887] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  464.783531][T18887] FS-Cache: N-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  464.792857][T18887] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888029a75000
14:50:00 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb80b, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  464.800316][T18887] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  464.958966][T18896] FS-Cache: Duplicate cookie detected
[  464.964664][T18896] FS-Cache: O-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  464.973698][T18896] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e93a000
[  464.981026][T18896] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  464.988336][T18896] FS-Cache: N-cookie c=ffff888024ed2d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  464.997127][T18896] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016443000
14:50:00 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x941e, &(0x7f000000a000))

[  465.004448][T18896] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:00 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:00 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe803, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  465.165220][T18905] FS-Cache: Duplicate cookie detected
[  465.170874][T18905] FS-Cache: O-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  465.179763][T18905] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e93a000
[  465.187123][T18905] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  465.194681][T18905] FS-Cache: N-cookie c=ffff888024ed2a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  465.203454][T18905] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880275fe000
[  465.210759][T18905] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:00 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x951e, &(0x7f000000a000))

14:50:00 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x891f, &(0x7f000000a000))

[  465.363466][T18913] FS-Cache: Duplicate cookie detected
[  465.369506][T18913] FS-Cache: O-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  465.378757][T18913] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e93a000
[  465.386501][T18913] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  465.395660][T18913] FS-Cache: N-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  465.404748][T18913] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888029a07000
[  465.412344][T18913] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:00 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xedc0, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  465.489883][T18920] FS-Cache: Duplicate cookie detected
[  465.495459][T18920] FS-Cache: O-cookie c=ffff888024ed2468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  465.505221][T18920] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e93a000
[  465.512850][T18920] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  465.522277][T18920] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  465.531329][T18920] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d24e000
[  465.538649][T18920] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:01 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:01 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x961e, &(0x7f000000a000))

14:50:01 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
r4 = dup2(r0, r0)
getsockopt$inet_opts(r4, 0x0, 0x5, &(0x7f00000007c0)=""/181, &(0x7f0000000300)=0xb5)
mmap(&(0x7f00003ef000/0x1000)=nil, 0x1000, 0x1800008, 0x810, r3, 0xd9c37000)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  466.003965][T18936] FS-Cache: Duplicate cookie detected
[  466.009633][T18936] FS-Cache: O-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  466.020053][T18936] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801455d000
[  466.027374][T18936] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  466.036167][T18936] FS-Cache: N-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  466.045222][T18936] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880238b8000
14:50:01 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:01 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x971e, &(0x7f000000a000))

[  466.052613][T18936] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  466.193587][T18942] FS-Cache: Duplicate cookie detected
[  466.199013][T18942] FS-Cache: O-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  466.208159][T18942] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801455d000
[  466.215483][T18942] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  466.222888][T18942] FS-Cache: N-cookie c=ffff888024ed2eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  466.231674][T18942] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df9d000
[  466.238889][T18942] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:01 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf401, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:01 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xedc0, &(0x7f000000a000))

14:50:01 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:01 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8a1f, &(0x7f000000a000))

14:50:01 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xff00, &(0x7f000000a000))

14:50:02 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xff00, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  466.607077][T18961] FS-Cache: Duplicate cookie detected
[  466.613331][T18961] FS-Cache: O-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  466.622523][T18961] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801455d000
[  466.630104][T18961] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  466.638942][T18961] FS-Cache: N-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  466.647964][T18961] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b30c000
[  466.655418][T18961] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  466.677159][T18962] FS-Cache: Duplicate cookie detected
[  466.686016][T18962] FS-Cache: O-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  466.695683][T18962] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801455d000
[  466.703148][T18962] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  466.712523][T18962] FS-Cache: N-cookie c=ffff888143b0fa70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  466.721380][T18962] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ea64000
[  466.728754][T18962] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:02 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x40000, &(0x7f000000a000))

14:50:02 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:02 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x34000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:02 executing program 1:
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000000), 0x8)
getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f00000007c0)={r2, 0x9, 0x9, 0x43d, 0x1fb, 0x5, 0x8001, 0x6, {0x0, @in={{0x2, 0x4e24, @multicast1}}, 0x7, 0x0, 0x3, 0x80000001, 0x80000001}}, &(0x7f0000000300)=0xb0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
getpgid(0x0)
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:02 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1fffff, &(0x7f000000a000))

[  467.227285][T18988] nfs: Bad value for 'source'
14:50:02 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x400000, &(0x7f000000a000))

[  467.453158][T18996] FS-Cache: Duplicate cookie detected
[  467.458651][T18996] FS-Cache: O-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  467.467779][T18996] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030260000
[  467.475172][T18996] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  467.482607][T18996] FS-Cache: N-cookie c=ffff888143b0ed38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  467.491700][T18996] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027744000
14:50:02 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x40000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  467.499086][T18996] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  467.539310][T18994] FS-Cache: Duplicate cookie detected
[  467.545027][T18994] FS-Cache: O-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  467.553523][T18988] nfs: Bad value for 'source'
[  467.553976][T18994] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030260000
[  467.565841][T18994] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  467.573155][T18994] FS-Cache: N-cookie c=ffff888024ed3a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  467.581901][T18994] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc6f000
14:50:03 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  467.589117][T18994] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  467.617016][T19001] FS-Cache: Duplicate cookie detected
[  467.622731][T19001] FS-Cache: O-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  467.631692][T19001] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030260000
[  467.638927][T19001] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  467.646315][T19001] FS-Cache: N-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  467.655157][T19001] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024125000
[  467.662443][T19001] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  467.725880][T19005] FS-Cache: Duplicate cookie detected
[  467.731768][T19005] FS-Cache: O-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  467.750068][T19005] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030260000
[  467.757437][T19005] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  467.765700][T19005] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:03 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8b1f, &(0x7f000000a000))

[  467.774763][T19005] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b00a000
[  467.782268][T19005] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:03 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x200000000000, 0x5339}, 0x40000, 0x40000000800007f, 0x40000, 0x2, 0x0, 0x0, 0x4}, 0x0, 0xc, 0xffffffffffffffff, 0x0)
r3 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000300)=@sack_info={r2, 0x5, 0xffff}, 0xc)
setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000000), 0x8)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000740)={0x0, 0x10, &(0x7f0000000d40)=[@in={0x2, 0x4e24, @private=0xa010101}]}, &(0x7f0000000040)=0x10)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000940)=ANY=[@ANYBLOB="5bdf0ff87bb497805c0f65530d2970651a691b8cba25ab8d744457df6f5429e8449db7a3bda2a2ab9fea37e719e14859007c44ae381882b055fceff5a5e32548952b000000bda615e0d1ab9187d77b9bf1cad1c01b812e12cb8a0000000000000000"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r4 = gettid()
process_vm_writev(r4, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r5 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0)
preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r5, &(0x7f0000000880)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}, {&(0x7f0000000340)=""/41, 0x29}, {&(0x7f00000007c0)=""/146, 0x92}], 0x9, 0x67, 0x1000)
syz_open_procfs(r4, &(0x7f0000000000)='net/dev\x00')

14:50:03 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:03 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1fffff, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  468.375584][T19020] FS-Cache: Duplicate cookie detected
[  468.381240][T19020] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  468.390919][T19020] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e1000
[  468.398403][T19020] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  468.407078][T19020] FS-Cache: N-cookie c=ffff888143b0e2f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:03 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x400000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:03 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in={{0x2, 0x4e20, @loopback}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
sendmsg$inet6(r3, &(0x7f0000000980)={&(0x7f0000000300)={0xa, 0x4e23, 0x8, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x3}, 0x1c, &(0x7f0000000340)=[{&(0x7f00000007c0)="7535a21cd32acda16f9722bcaab48d0b69be376632f626f2e5ccda0f4a568f333afa761b44446e9c25b6314d8efdd63e9c09c8577246f63b4c59e063b0f88860a7006e6c736d81360f78a8f5ff71cd284c1238d6b3fb2cd4ad8a9ba9fe8b5e646ac62f450e39697b5eb0f2d65f9610dedcc635", 0x73}, {&(0x7f0000000840)="d4becd2c3a75f8c1da92cb51da486e33840d9c9dd8fbefea3e194711064e7658a3b92c19796b2b050207aa4c92d1fabea063ed26cbf8e40dd2e969ccdc9d24a43c09958c13b9bef3ba3f3b90c81284b0af361324cef1477cf59943589de672d7743e3e5c4ba347207d40691ed8754625164bd0172ad3f38672a107ae3d03dd29d7aad876c2b9a7e65756f8", 0x8b}], 0x2, &(0x7f0000000900)=[@flowinfo={{0x14, 0x29, 0xb, 0x5d}}, @hoplimit_2292={{0x14, 0x29, 0x8, 0xfffffffe}}, @rthdr_2292={{0x38, 0x29, 0x39, {0x16, 0x4, 0x1, 0x0, 0x0, [@dev={0xfe, 0x80, [], 0xf}, @initdev={0xfe, 0x88, [], 0x1, 0x0}]}}}], 0x68}, 0x800)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  468.428269][T19020] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b75f000
[  468.435839][T19020] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  468.510650][T19029] FS-Cache: Duplicate cookie detected
[  468.516993][T19029] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  468.526046][T19029] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e1000
[  468.533358][T19029] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  468.540745][T19029] FS-Cache: N-cookie c=ffff88802e9d5be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  468.549450][T19029] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c89b000
[  468.556791][T19029] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  468.676137][T19034] FS-Cache: Duplicate cookie detected
[  468.682375][T19034] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  468.691823][T19034] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e1000
[  468.699232][T19034] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  468.709331][T19034] FS-Cache: N-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:04 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x480000, &(0x7f000000a000))

[  468.727588][T19034] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b24a000
[  468.734966][T19034] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  468.744257][T19033] FS-Cache: Duplicate cookie detected
[  468.750182][T19033] FS-Cache: O-cookie c=ffff88802e9d5d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  468.759268][T19033] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e1000
[  468.767416][T19033] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  468.777182][T19033] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  468.786452][T19033] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fccb000
[  468.794213][T19033] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:04 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:04 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8c1f, &(0x7f000000a000))

[  469.152910][T19047] FS-Cache: Duplicate cookie detected
[  469.158468][T19047] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.167566][T19047] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  469.174915][T19047] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.182410][T19047] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.191201][T19047] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c8d8000
[  469.198414][T19047] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  469.206101][T19049] FS-Cache: Duplicate cookie detected
[  469.215659][T19049] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.224952][T19049] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
14:50:04 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe0ffff, &(0x7f000000a000))

[  469.248067][T19049] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.256447][T19049] FS-Cache: N-cookie c=ffff888143b0e468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.265490][T19049] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888028d29000
[  469.272940][T19049] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:04 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  469.456780][T19036] FS-Cache: Duplicate cookie detected
[  469.462263][T19036] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.471222][T19036] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  469.478445][T19036] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.485858][T19036] FS-Cache: N-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.494636][T19036] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880236c6000
14:50:04 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1000000, &(0x7f000000a000))

[  469.501919][T19036] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  469.562273][T19062] FS-Cache: Duplicate cookie detected
[  469.568063][T19062] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.577501][T19062] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  469.585082][T19062] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.593896][T19062] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.602919][T19062] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bdbf000
14:50:05 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180), &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r1 = creat(&(0x7f0000000200)='./file0\x00', 0xc9)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000140)=ANY=[@ANYBLOB="f28546d3dd504609f80c9d62d83889000000000000cba6b22272b2cee6d3926d971e7b2cc6fb26a84937d148dd80d1716312e2b1d4"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000007c0)={0x0, 0x7, 0x30}, 0xc)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000300)={0x0, 0x400}, &(0x7f0000000340)=0x8)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  469.610509][T19062] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  469.681614][T19066] FS-Cache: Duplicate cookie detected
[  469.687192][T19066] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.696265][T19066] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  469.703564][T19066] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.710995][T19066] FS-Cache: N-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.719702][T19066] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bbfa000
14:50:05 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x400300, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  469.727037][T19066] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  469.835889][T19071] FS-Cache: Duplicate cookie detected
[  469.841769][T19071] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  469.882675][T19071] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  469.890202][T19071] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  469.898365][T19071] FS-Cache: N-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  469.907370][T19071] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d4b000
[  469.914869][T19071] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  469.985623][T19075] FS-Cache: Duplicate cookie detected
[  469.991111][T19075] FS-Cache: O-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  470.000217][T19075] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  470.007474][T19075] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  470.014817][T19075] FS-Cache: N-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  470.023589][T19075] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880216f1000
[  470.030920][T19075] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:05 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:05 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xedc0, &(0x7f000000a000))

14:50:05 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e386f596815067734"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000007c0)={<r2=>r1, @in={{0x2, 0x4e23, @empty}}, 0x20, 0x7ff, 0x2, 0x6, 0x8, 0x2, 0xa1}, &(0x7f0000000300)=0x9c)
setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000880)={r2, @in={{0x2, 0x4e20, @private=0xa010101}}}, 0x84)
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:05 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:06 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xff00, &(0x7f000000a000))

14:50:06 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000000, &(0x7f000000a000))

[  470.697883][T19072] FS-Cache: Duplicate cookie detected
[  470.703430][T19072] FS-Cache: O-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  470.712424][T19072] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8d000
[  470.719744][T19072] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  470.727122][T19072] FS-Cache: N-cookie c=ffff888143b0f028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  470.735962][T19072] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ed60000
[  470.743377][T19072] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  470.778448][T19097] FS-Cache: Duplicate cookie detected
[  470.784609][T19097] FS-Cache: O-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  470.798310][T19097] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8d000
[  470.805727][T19097] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  470.815425][T19097] FS-Cache: N-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  470.824502][T19097] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880241d5000
[  470.832112][T19097] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  470.885047][T19105] FS-Cache: Duplicate cookie detected
[  470.890625][T19105] FS-Cache: O-cookie c=ffff888143b0f608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  470.899489][T19105] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8d000
[  470.907079][T19105] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  470.914442][T19105] FS-Cache: N-cookie c=ffff88802e9d51a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  470.923194][T19105] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ddec000
14:50:06 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x480000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  470.931431][T19105] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:06 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x40000, &(0x7f000000a000))

14:50:06 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000980)=ANY=[@ANYBLOB="3f00fd000100b557f33fe48e8739ad15be144a70a045400100004d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dd0600840f3f971dd75e672f24fe1584a53aff3aaa2eef40b047b4ea9d4b9d251c00a0faeb3230d8a2fe53020072e3ed34bcf2e40b9735e7cd7b789fb6ad196082bd8935c27a5a5c5967a61f5d21444d707320346137946889ec82b5880c1795d5f9640af6798367953b31b4132487886c06770445732feafa2662d85ef3795cc620fbc307dae9ab13deb95a9349ac10f4cde2fcb3dc70b84cd048ef3418319b96aec0e1d7de3c593541f42eab170498d151604f59157751c478f1ddb04f575bdef2817d7a509498f9f1bb074cf211d1aed8a0158613d57d"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000000), 0x8)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000007c0)={r2, @in6={{0xa, 0x4e22, 0xa, @private1={0xfc, 0x1, [], 0x21}, 0x7}}, 0x7, 0x3, 0x6, 0xfffffffc, 0x4, 0x6, 0x86}, &(0x7f0000000300)=0x9c)
creat(&(0x7f00000001c0)='./file0\x00', 0xb91755a0b20e6c17)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000880)=ANY=[@ANYBLOB="84f4bff6dac9501f7a4f1884af5df51601f550139f8e66905b67f7e596bceec2c5d278a951a8928e98f4705c9ef04fc518bacf759566550b331ba3b1af37f3600166fd04991ed28662179b9effcea91dd046dd64633fcd1e106da9a56b1cb18e7b758785e1b4e1f410189088c6462e901f66d78d13f2f463f17fb011f62b89ddb728a727868896a66162d6966989e54eb6cef634cb7417218472ffe94cf2d2035c150f50e8e300097ec29cea5c41e69faa7f7db31fb69b04993802d9576a09ba507d302fc66a"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x122809, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:06 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x400000, &(0x7f000000a000))

14:50:06 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:06 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x80ffff, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  471.528178][T19127] FS-Cache: Duplicate cookie detected
[  471.537183][T19127] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  471.546519][T19127] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  471.554169][T19127] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  471.563256][T19127] FS-Cache: N-cookie c=ffff88802e9d5780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  471.572230][T19127] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c07d000
[  471.579603][T19127] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  471.625516][T19107] FS-Cache: Duplicate cookie detected
[  471.631235][T19107] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  471.640272][T19107] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  471.647497][T19107] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  471.655058][T19107] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  471.663869][T19107] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e6d6000
14:50:07 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f00000007c0)=ANY=[@ANYBLOB="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"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  471.671303][T19107] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  471.708455][T19133] FS-Cache: Duplicate cookie detected
[  471.713959][T19133] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  471.723118][T19133] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  471.730474][T19133] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  471.737770][T19133] FS-Cache: N-cookie c=ffff88802e9d4bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  471.746599][T19133] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888013ca0000
14:50:07 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  471.753913][T19133] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:07 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3000000, &(0x7f000000a000))

14:50:07 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  471.967786][T19142] FS-Cache: Duplicate cookie detected
[  471.973322][T19142] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  471.982390][T19142] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  471.989603][T19142] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  471.997628][T19142] FS-Cache: N-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.006668][T19142] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026214000
[  472.013923][T19142] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  472.065765][T19145] FS-Cache: Duplicate cookie detected
[  472.071562][T19145] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.081055][T19145] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  472.088450][T19145] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  472.130134][T19145] FS-Cache: N-cookie c=ffff88802e9d5028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.139007][T19145] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880211b1000
[  472.146481][T19145] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  472.156806][T19144] FS-Cache: Duplicate cookie detected
[  472.165623][T19144] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.174663][T19144] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807e6d5000
[  472.182118][T19144] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  472.190653][T19144] FS-Cache: N-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.199601][T19144] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e1f3000
[  472.207119][T19144] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:07 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe0ffff, &(0x7f000000a000))

14:50:07 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000800)=ANY=[@ANYBLOB="65b33f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d9a8a547e902113d12cc3ada26bf9526b000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
r2 = syz_open_procfs(0x0, &(0x7f0000000300)='net/rpc\x00')
sendto$inet(r2, &(0x7f0000000340)="77bd0bf9547a28a7e4c6f43155d7654868a7eb6eaa948edda078e9d2118b13cf95e18ba4f2c2700ac26f578e1008d3cb", 0x30, 0x80, &(0x7f00000007c0)={0x2, 0x4e22, @remote}, 0x10)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:07 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  472.548267][T19159] nfs: Bad value for 'source'
14:50:08 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1000000, &(0x7f000000a000))

[  472.773390][T19168] FS-Cache: Duplicate cookie detected
[  472.778893][T19168] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.787897][T19168] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  472.795223][T19168] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  472.802645][T19168] FS-Cache: N-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.811496][T19168] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d09c000
[  472.819424][T19168] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  472.833791][T19143] FS-Cache: Duplicate cookie detected
[  472.839351][T19143] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.848613][T19143] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  472.855975][T19143] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  472.863382][T19143] FS-Cache: N-cookie c=ffff8880196c8a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.872194][T19143] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e8ec000
[  472.879413][T19143] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  472.888731][T19171] FS-Cache: Duplicate cookie detected
[  472.894428][T19171] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.903605][T19171] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  472.910943][T19171] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:08 executing program 1:
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0)
r1 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r1, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r2=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r2, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000300)=ANY=[@ANYBLOB="7dc3e0f1b7a2e2de24f319ed405b2efd8f2caace80489fad09cbbba0ee081f"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
syz_io_uring_submit(0x0, 0x0, &(0x7f00000012c0)=@IORING_OP_READV=@pass_iovec={0x1, 0x1, 0x4004, @fd, 0xffffffff, &(0x7f0000001240)=[{&(0x7f0000000dc0)=""/164, 0xa4}, {&(0x7f0000000e80)=""/159, 0x9f}, {&(0x7f0000000f40)=""/223, 0xdf}, {&(0x7f0000001040)=""/75, 0x4b}, {&(0x7f00000010c0)=""/194, 0xc2}, {&(0x7f0000003380)=""/4096, 0x1000}, {&(0x7f00000011c0)=""/37, 0x25}, {&(0x7f0000001200)=""/41, 0x29}], 0x8, 0x1}, 0x2)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  472.918257][T19171] FS-Cache: N-cookie c=ffff8880196c9490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  472.927079][T19171] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e8eb000
[  472.934386][T19171] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  472.977865][T19172] FS-Cache: Duplicate cookie detected
[  472.983437][T19172] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  472.992596][T19172] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  472.999893][T19172] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  473.007212][T19172] FS-Cache: N-cookie c=ffff88802e9d4a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  473.016076][T19172] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027e57000
14:50:08 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:08 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000000, &(0x7f000000a000))

[  473.024043][T19172] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  473.184172][T19179] FS-Cache: Duplicate cookie detected
[  473.189720][T19179] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  473.198743][T19179] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  473.206544][T19179] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  473.213989][T19179] FS-Cache: N-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  473.223041][T19179] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888012302000
[  473.230433][T19179] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:08 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  473.421733][T19181] FS-Cache: Duplicate cookie detected
[  473.436798][T19181] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  473.448662][T19181] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880205a3000
[  473.456472][T19181] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  473.464938][T19181] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  473.473793][T19181] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d20d000
[  473.481265][T19181] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:09 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:09 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2000000, &(0x7f000000a000))

[  474.088224][T19197] FS-Cache: Duplicate cookie detected
[  474.093907][T19197] FS-Cache: O-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.102959][T19197] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c95a000
[  474.110273][T19197] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.117595][T19197] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.126575][T19197] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d298000
[  474.133929][T19197] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  474.148112][T19193] FS-Cache: Duplicate cookie detected
[  474.154388][T19193] FS-Cache: O-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.167825][T19193] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c95a000
[  474.175567][T19193] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.184157][T19193] FS-Cache: N-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.193022][T19193] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d29b000
[  474.200860][T19193] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  474.244762][T19183] FS-Cache: Duplicate cookie detected
[  474.251198][T19183] FS-Cache: O-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.260420][T19183] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c95a000
[  474.267643][T19183] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.275018][T19183] FS-Cache: N-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.283796][T19183] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016ec7000
14:50:09 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5000000, &(0x7f000000a000))

[  474.291126][T19183] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:09 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
sendmsg(r0, &(0x7f0000001080)={&(0x7f0000000a40)=@llc={0x1a, 0x312, 0x8, 0x6, 0x41, 0x20, @dev={[], 0x3c}}, 0x80, &(0x7f0000001000)=[{&(0x7f0000000ac0)="7cff1c23d3926c342a57481bc4f9d1bf85772bd9f51d74d2074a71bcc0c5fb3d556fd93f2d50e7c4322def15f3e592ac5118b054cd6148c4672c0be0da73f57c3bb8ddfb56d58f81b03412db68f77f174e7ecdcdf78bd1e05b4e283534257101a1f4741137fe31f50d69a1e3cf8ff5d420980a2f9f5fe7a22ad8c6e971d8a67761502cb92c14b621767b99b1f951cf8c47c78496bd2b081aa2325c7d67605ca7fbdb870baa2407d4a8d2cedd", 0xac}, {&(0x7f0000000b80)="9561db7828bcaf57cbedaac0a8cb2c656df2b62ee9813e907de924b5c30a72baaba9ce94068ac5b5102fd7dcc5d1a8a57ccc38402101284fd06f183b715b95667105969360824fe672eaf3c8fbb87fe8cd44d4622c48b3dde6f6dadf9eb1112a8a9d7b4137da75744a581d70355b1f029c46da217f28655de975840611abc8e506f1c78f4286b20f9a5ff1472244f074be561f98f9f37adef21f102eddac25990994c3ed45fd179b714d0d1d5854aaec83ae0260bba3bf3303002f90e14ee5266825b3c93a426dc6721fda7eb43f4cd5541aee06e5", 0xd5}, {&(0x7f0000000c80)="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", 0xfb}, {&(0x7f0000000d80)="2931f8a00ff07199d1f9266dca43d3469d2762c3df1abd8fddffc5369c1977738c3ca82149f138eaf9912c8b20b6e304fc1b62d2fc0ac64e6156403dbb5e00d97f0558c95ae046591328301fda4237e5900314df323f6b78121ada99396e7c85541ec83143e447e0dbcf726ad650d7ca494bb39414b70e5b6c0131366a3f896c12914797e2f6c3832b4e", 0x8a}, {&(0x7f0000000e40)="ee3a156801affa54940ca0dac1e0b47cd2ca197f589a4e907230716a974c9532ba4ecb16f9a2fad2ed54ac53f410703f70f9fed3a953facb0aac03ae4b3699ef49b855b7606da2df8641596cd10d344c64732d7e340e60d1fd1fd36ee16e914ae8c1354bb5a4e338ca840154c2b04c1b5a03bb360107bf548397198c501443674079aa9ac490eae73134610d8f504605c4", 0x91}, {&(0x7f0000000f00)="8f4773f1bdc7e228e6948923e2178f0efd89b63ea146e3d77c3f2eebdc59a338001c9163", 0x24}, {&(0x7f0000000f40)="74c97bf307f6a16d9ff12433470f20932f68421e25c0979be127d74ec34e27ee028fd8f7bbd76b377e4155de01375ec1bee8215a56507b13d1cd1f88263da863fab5487fff458d99b8734b430fac141793b11f6ad718989bff6f6d05f3f5ffae1923cf9604ed71c76b3503cd9c207e729c0de906afd2fb7fdc78b2dba0cefdaee2aed7444f877cb79d98bd6c5cc35f65f91265fc16555aee1706f458e353fb95476b1ff67e27524edfa80f", 0xab}], 0x7, &(0x7f0000001380)=ANY=[@ANYBLOB="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"], 0x418}, 0x40000)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')
preadv(r2, &(0x7f0000000340)=[{&(0x7f00000007c0)=""/146, 0x92}, {&(0x7f0000000880)=""/244, 0xf4}, {&(0x7f0000000300)=""/31, 0x1f}, {&(0x7f0000000980)=""/146, 0x92}], 0x4, 0xff, 0x6)

[  474.359135][T19201] FS-Cache: Duplicate cookie detected
[  474.365666][T19201] FS-Cache: O-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.375295][T19201] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c95a000
[  474.382698][T19201] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.390978][T19201] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.406132][T19201] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d29e000
[  474.413687][T19201] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  474.432705][T19205] FS-Cache: Duplicate cookie detected
[  474.438267][T19205] FS-Cache: O-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.447379][T19205] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c95a000
[  474.455310][T19205] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.463039][T19205] FS-Cache: N-cookie c=ffff88802e9d5490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.471789][T19205] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802b718000
[  474.479025][T19205] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:09 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:10 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  474.671875][T19212] FS-Cache: Duplicate cookie detected
[  474.677649][T19212] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.687899][T19212] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  474.695693][T19212] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.705201][T19212] FS-Cache: N-cookie c=ffff888143b0f8f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.714344][T19212] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026664000
[  474.722238][T19212] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  474.813986][T19218] FS-Cache: Duplicate cookie detected
[  474.819619][T19218] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.829549][T19218] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  474.839162][T19218] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.847871][T19218] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.857196][T19218] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807db6a000
14:50:10 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  474.897169][T19218] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  474.959012][T19222] FS-Cache: Duplicate cookie detected
[  474.964925][T19222] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  474.974089][T19222] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  474.981373][T19222] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  474.988675][T19222] FS-Cache: N-cookie c=ffff8880196c8d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  474.997561][T19222] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888030127000
[  475.004852][T19222] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  475.016613][T19225] FS-Cache: Duplicate cookie detected
[  475.023111][T19225] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  475.032299][T19225] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  475.039651][T19225] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.048054][T19225] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.057867][T19225] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807db6f000
14:50:10 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3000000, &(0x7f000000a000))

[  475.098846][T19225] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  475.267607][T19230] FS-Cache: Duplicate cookie detected
[  475.283604][T19230] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  475.292835][T19230] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  475.300257][T19230] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.309354][T19230] FS-Cache: N-cookie c=ffff8880196c8bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.318560][T19230] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88806bef9000
[  475.326151][T19230] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  475.393760][T19234] FS-Cache: Duplicate cookie detected
[  475.399295][T19234] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  475.408474][T19234] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  475.415778][T19234] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.423223][T19234] FS-Cache: N-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.432021][T19234] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88806bef8000
[  475.439250][T19234] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:10 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:11 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6000000, &(0x7f000000a000))

[  475.685056][T19239] FS-Cache: Duplicate cookie detected
[  475.690782][T19239] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  475.699676][T19239] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  475.707068][T19239] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.714449][T19239] FS-Cache: N-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.723308][T19239] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807de02000
[  475.730685][T19239] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  475.780545][T19243] FS-Cache: Duplicate cookie detected
[  475.786419][T19243] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  475.795499][T19243] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88802e6ff000
[  475.802793][T19243] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.810166][T19243] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.818914][T19243] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020867000
[  475.826225][T19243] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  475.833846][T19242] FS-Cache: Duplicate cookie detected
[  475.839386][T19242] FS-Cache: O-cookie c=ffff88802e9d5318 [p=ffff88801732e000 fl=212 nc=0 na=0]
[  475.848696][T19242] FS-Cache: O-cookie d=0000000000000000 n=0000000000000000
[  475.856961][T19242] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  475.866034][T19242] FS-Cache: N-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  475.875162][T19242] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880139db000
[  475.884010][T19242] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:11 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:11 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:11 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4000000, &(0x7f000000a000))

[  476.435968][T19256] FS-Cache: Duplicate cookie detected
[  476.445108][T19256] FS-Cache: O-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  476.454329][T19256] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  476.461781][T19256] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  476.470880][T19256] FS-Cache: N-cookie c=ffff888024ed2758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  476.479694][T19256] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b92e000
[  476.487131][T19256] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  476.501941][T19259] FS-Cache: Duplicate cookie detected
[  476.507398][T19259] FS-Cache: O-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  476.516418][T19259] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  476.524047][T19259] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:11 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000300)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a0be8b5045bfe30f444d000114458f7cd623c5d2bb2c9249dd449e32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  476.531486][T19259] FS-Cache: N-cookie c=ffff888024ed3608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  476.540266][T19259] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d96d000
[  476.547496][T19259] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  476.578449][T19245] FS-Cache: Duplicate cookie detected
[  476.584299][T19245] FS-Cache: O-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  476.593294][T19245] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  476.600595][T19245] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  476.607923][T19245] FS-Cache: N-cookie c=ffff88801b102a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  476.616740][T19245] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d98000
[  476.624045][T19245] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:12 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:12 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7000000, &(0x7f000000a000))

[  476.743650][T19267] nfs: Bad value for 'source'
[  476.925954][T19271] FS-Cache: Duplicate cookie detected
[  476.931979][T19271] FS-Cache: O-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  476.941757][T19271] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  476.949232][T19271] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  476.957545][T19271] FS-Cache: N-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  476.966991][T19271] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d3fe000
[  476.974697][T19271] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  476.986611][T19274] nfs: Bad value for 'source'
[  477.005232][T19272] FS-Cache: Duplicate cookie detected
[  477.011131][T19272] FS-Cache: O-cookie c=ffff888024ed2bc0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.020221][T19272] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880228cc000
[  477.027450][T19272] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.034858][T19272] FS-Cache: N-cookie c=ffff88801b103318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.043700][T19272] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880217b7000
[  477.051024][T19272] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:12 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:12 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
r2 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x29020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
process_vm_writev(0x0, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
perf_event_open(&(0x7f0000000300)={0x0, 0x70, 0x7, 0x9, 0x3f, 0x2, 0x0, 0x101, 0x80012, 0xb, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x8000, 0x1, @perf_config_ext={0x1, 0x8}, 0x40, 0x8, 0x40, 0x3, 0x3, 0x1, 0xfff}, 0x0, 0xd, 0xffffffffffffffff, 0x9)
mount(&(0x7f0000000980)=ANY=[@ANYBLOB="2f6465762f6c6f6f703000f454a2ae912427bae34372b63a801c78dd6d73346b8d3da13e23c68df812ffb6105ca932f18202ebfb567f7ce39254b8b699195443b248830f1c04739e3dbb1a864970f0e5f4ce87d70579"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x2320031, &(0x7f00000007c0)='@p\x03k\x01\x93@\xb2\x90\x12UA\xc3\xca\xc9\x84\x9d\x93\xcd\xde\xd4\x15\xf8\xb17W[\xe3^\xff\xdf\xc6\xf9\x88\xe1kE(2\x13y\x00\\\x14\n\xad\x04\xc9\x8f\x19)0\xc6S\xccG\xeb\x12\xafD$\x8e\x88;X\xa4\xd4\xcd%+\xb2\x03}\xc2\x9b&\xcf7\xfd\xdd\x88\x83~{\x0e\xfb\xa2\x02h\xb2\xcbb\xfd\x19\x96\xb0#\xf7<\a\x80\x11I\xb2a\xa1\xec9\x86\x9cQ^\xaf\x93G\xa5\"\xe9\xbd\xa5l\x17\x8a\xae\x8b\xc3\xd0\x0e:\x89\xd4\xee>\xfeX\x92n\x13\xa0\x0f\b.e8.\x9c)\x9aZu\xc4\xc8\xcd\x80\xa4{\xff\xd7\xa5E^\xe7\xdc\x05\xaeI\xe0zp\xde\x03N\xb4\xc6\xa1w\xa7 \x7f\xb0\x04<\x97[\x1c\x9a\xec\x14\xac\x15\\\xdcPp\xb6\xd9\xcaA\xde\x84\x98\xb0z\\\xf3\x90\xb5e\x03`\r\xe8E\x0f\x84@c\xd1\x97\a\x02\xd0\xc1;\xfb\xee\xc9\x95\xcf\xf3m\xf9\x0fK\x80\x06=0!-\xfc\x18_\x01\xf3\xc5\x82!\xd4\xcd\xa9\x15\xa6\xec\xba0\vA\x9f\xa0\x1b\x18\x83\xe6\xa1\b\x81\x83\xdc\xc3\xbcx\xb5\xd5\xfb\xf1O\x8c\xdb\x1b\xc3v\xe2\xadPzw\xa4i\x8fZk\x82\xb2\xc2 \x13')
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r2, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:12 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:12 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5000000, &(0x7f000000a000))

14:50:12 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000940)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}, {&(0x7f00000009c0)=""/237, 0xed}], 0x8, 0x67, 0x1000)
read$FUSE(r2, &(0x7f0000001380)={0x2020, 0x0, 0x0, 0x0, 0x0, <r5=>0x0}, 0x2020)
perf_event_open(&(0x7f00000007c0)={0xa54c17bac91ba8b3, 0x70, 0xe, 0x0, 0x7, 0x1, 0x0, 0x6, 0x190, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x3, 0x0, @perf_bp={&(0x7f0000000300), 0x6}, 0x4400, 0x7, 0xffff, 0x1, 0x9, 0x7fffffff, 0x1}, r5, 0x3, 0xffffffffffffffff, 0x8)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  477.471962][T19293] FS-Cache: Duplicate cookie detected
[  477.477581][T19293] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.487091][T19293] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  477.494784][T19293] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.505200][T19293] FS-Cache: N-cookie c=ffff888024ed25e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.524087][T19293] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802764a000
[  477.531517][T19293] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  477.565318][T19298] FS-Cache: Duplicate cookie detected
[  477.571128][T19298] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.580117][T19298] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  477.587349][T19298] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.594746][T19298] FS-Cache: N-cookie c=ffff888024ed2a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.603621][T19298] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888022db6000
[  477.610975][T19298] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  477.758843][T19273] FS-Cache: Duplicate cookie detected
[  477.764499][T19273] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.773537][T19273] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  477.780876][T19273] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.788188][T19273] FS-Cache: N-cookie c=ffff888024ed2d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.796983][T19273] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802598d000
[  477.804347][T19273] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  477.814479][T19303] FS-Cache: Duplicate cookie detected
[  477.820073][T19303] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.828957][T19303] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  477.836735][T19303] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.844253][T19303] FS-Cache: N-cookie c=ffff88801b103028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.853089][T19303] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c318000
[  477.860416][T19303] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  477.882139][T19300] FS-Cache: Duplicate cookie detected
[  477.887774][T19300] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.897668][T19300] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
14:50:13 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  477.915867][T19300] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  477.924671][T19300] FS-Cache: N-cookie c=ffff88801b102000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  477.933593][T19300] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018014000
[  477.941149][T19300] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  477.981886][T19307] FS-Cache: Duplicate cookie detected
[  477.987529][T19307] FS-Cache: O-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  477.997590][T19307] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  478.007275][T19307] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  478.016129][T19307] FS-Cache: N-cookie c=ffff888024ed3d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  478.025655][T19307] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880273bb000
[  478.033295][T19307] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:13 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8000000, &(0x7f000000a000))

14:50:13 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:13 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  478.469671][T19323] FS-Cache: Duplicate cookie detected
[  478.475400][T19323] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  478.484417][T19323] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  478.491772][T19323] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  478.499095][T19323] FS-Cache: N-cookie c=ffff888024ed3780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  478.507902][T19323] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019147000
[  478.515229][T19323] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  478.540419][T19324] FS-Cache: Duplicate cookie detected
[  478.546103][T19324] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  478.565176][T19324] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  478.572616][T19324] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  478.581374][T19324] FS-Cache: N-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:14 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x28, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  478.590246][T19324] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027e49000
[  478.597649][T19324] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:14 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
setsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000300)={r2, 0x7, 0x3, 0x7}, 0x10)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  478.803855][T19310] FS-Cache: Duplicate cookie detected
[  478.809371][T19310] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  478.818385][T19310] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  478.825849][T19310] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  478.833203][T19310] FS-Cache: N-cookie c=ffff88801b103d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  478.842118][T19310] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880141b2000
14:50:14 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6000000, &(0x7f000000a000))

[  478.849349][T19310] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:14 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x38, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  478.897888][T19337] FS-Cache: Duplicate cookie detected
[  478.907778][T19337] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  478.917700][T19337] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  478.925185][T19337] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  478.934847][T19337] FS-Cache: N-cookie c=ffff888024ed2178 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:14 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  478.944195][T19337] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888014574000
[  478.952149][T19337] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  479.140200][T19345] FS-Cache: Duplicate cookie detected
[  479.145925][T19345] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  479.163377][T19345] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  479.170954][T19345] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  479.179472][T19345] FS-Cache: N-cookie c=ffff88801b103a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:14 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x48, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  479.188410][T19345] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888021fe1000
[  479.195915][T19345] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  479.213827][T19347] FS-Cache: Duplicate cookie detected
[  479.219258][T19347] FS-Cache: O-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  479.228406][T19347] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801cac0000
[  479.235813][T19347] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  479.243318][T19347] FS-Cache: N-cookie c=ffff888024ed3318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  479.252154][T19347] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888012b74000
[  479.259382][T19347] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:14 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9000000, &(0x7f000000a000))

14:50:14 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  479.483395][T19358] FS-Cache: Duplicate cookie detected
[  479.489000][T19358] FS-Cache: O-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  479.498028][T19358] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  479.505368][T19358] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  479.512755][T19358] FS-Cache: N-cookie c=ffff888024ed31a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  479.521522][T19358] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880138a7000
[  479.528792][T19358] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  479.613503][T19361] FS-Cache: Duplicate cookie detected
[  479.619356][T19361] FS-Cache: O-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  479.628465][T19361] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  479.636154][T19361] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  479.644641][T19361] FS-Cache: N-cookie c=ffff88801b102bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  479.653594][T19361] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888028d28000
[  479.661675][T19361] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:15 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000300)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cad2dc6f83a594d753c73a80c0c08dad623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a102166a82346291d5a2ff4f1e7e1d3f792da4a84d1dac67e6870a4f82f"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e21, @multicast2}, 0x10)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
preadv(0xffffffffffffffff, &(0x7f00000009c0)=[{&(0x7f0000000800)=""/179, 0xb3}, {&(0x7f00000008c0)=""/232, 0xe8}], 0x2, 0x800, 0x400)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  479.957198][T19350] FS-Cache: Duplicate cookie detected
[  479.962767][T19350] FS-Cache: O-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  479.971813][T19350] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  479.979047][T19350] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  479.987040][T19350] FS-Cache: N-cookie c=ffff88801b103780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  479.996005][T19350] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e3000
[  480.003319][T19350] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  480.017973][T19374] FS-Cache: Duplicate cookie detected
[  480.023669][T19374] FS-Cache: O-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.032656][T19374] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c2fa000
[  480.040045][T19374] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.047364][T19374] FS-Cache: N-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.056155][T19374] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b2d8000
[  480.063461][T19374] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:15 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7000000, &(0x7f000000a000))

14:50:15 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:15 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  480.344341][T19385] FS-Cache: Duplicate cookie detected
[  480.349875][T19385] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.358785][T19385] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.366113][T19385] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.373591][T19385] FS-Cache: N-cookie c=ffff88801b1031a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.382351][T19385] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e6000
[  480.390014][T19385] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  480.398460][T19386] FS-Cache: Duplicate cookie detected
[  480.409373][T19386] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.418697][T19386] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.426659][T19386] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.435545][T19386] FS-Cache: N-cookie c=ffff888024ed38f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:15 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f00000007c0)=ANY=[@ANYBLOB="dcbf462c9865071fa2ee04594c7d3a3e226e0931413a3287bd560d7a2d8fde24c4258b1a4c84e1bd9c4b25ab86691e9cac3e8d74a2c71fb645068ae2a24686f64797bbd0596cc35105aa8af8d780c6e0e41643a1a232565cf4dd173232bc2cc73720caf8d709441f06ff286b3f8bcf0952949eb4620c0f3a1d721ad8a38f08e96a8d6e41a17b6387076f39b133dbb35a05d344d1c3c21c0b9dca4aa8f857893509d186aeac49fbcbfff2f3232eef047c62757427e018edacf2e32c51ae76374d24000000"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  480.444671][T19386] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024e64000
[  480.452762][T19386] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  480.476765][T19388] FS-Cache: Duplicate cookie detected
[  480.482425][T19388] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.492804][T19388] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.500352][T19388] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.507693][T19388] FS-Cache: N-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.516467][T19388] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018aef000
[  480.523774][T19388] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  480.540227][T19395] FS-Cache: Duplicate cookie detected
[  480.545918][T19395] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.558862][T19395] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.566266][T19395] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.574550][T19395] FS-Cache: N-cookie c=ffff888024ed3a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.583421][T19395] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c861000
[  480.590978][T19395] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  480.604780][T19393] FS-Cache: Duplicate cookie detected
[  480.615833][T19393] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.624910][T19393] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.632548][T19393] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.641235][T19393] FS-Cache: N-cookie c=ffff88801b1022f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.650300][T19393] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d8e8000
[  480.657667][T19393] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:16 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa000000, &(0x7f000000a000))

[  480.751663][T19400] FS-Cache: Duplicate cookie detected
[  480.757196][T19400] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  480.766263][T19400] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  480.773825][T19400] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  480.781208][T19400] FS-Cache: N-cookie c=ffff88801b102758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  480.789993][T19400] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e68a000
[  480.797222][T19400] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:16 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:16 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x28, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  481.191866][T19387] FS-Cache: Duplicate cookie detected
[  481.197385][T19387] FS-Cache: O-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  481.206410][T19387] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88806bf17000
[  481.213954][T19387] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  481.221433][T19387] FS-Cache: N-cookie c=ffff88801b103490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  481.230225][T19387] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ce32000
14:50:16 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x38, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  481.237473][T19387] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:16 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x8000000, &(0x7f000000a000))

14:50:16 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:16 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x48, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:16 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x50, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:16 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000300)=ANY=[@ANYBLOB="6b4ffa3bc42d0a4344f3921710b714b9635dd378b5d539761ef5d48d86db334a20742bd7a46abc4a0d1b479b156464971833e2d8aaf8649e6bb53096fe289a6fd34204f5574422718da8e9b824188f71bf78db0e1d01bacf4ccaeabfeec1a04865dc1dbe373ec1ff855af130c3efe62cc213e7"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
umount2(&(0x7f00000007c0)='./file0\x00', 0x4)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  481.562331][T19427] FS-Cache: Duplicate cookie detected
[  481.568089][T19427] FS-Cache: O-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  481.577647][T19427] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c07b000
[  481.585106][T19427] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  481.594007][T19427] FS-Cache: N-cookie c=ffff88802e9d51a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  481.603582][T19427] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807dcac000
[  481.611263][T19427] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  481.657237][T19432] FS-Cache: Duplicate cookie detected
[  481.662764][T19432] FS-Cache: O-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  481.671792][T19432] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c07b000
[  481.679016][T19432] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  481.686463][T19432] FS-Cache: N-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  481.695371][T19432] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880155b8000
[  481.702695][T19432] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  481.714206][T19429] FS-Cache: Duplicate cookie detected
[  481.728511][T19429] FS-Cache: O-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  481.737669][T19429] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c07b000
[  481.745094][T19429] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  481.753710][T19429] FS-Cache: N-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  481.762584][T19429] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019394000
[  481.770063][T19429] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  481.778059][T19437] FS-Cache: Duplicate cookie detected
[  481.786899][T19437] FS-Cache: O-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  481.796194][T19437] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c07b000
[  481.804640][T19437] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  481.812954][T19437] FS-Cache: N-cookie c=ffff88802e9d4178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  481.822403][T19437] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc7b000
[  481.868508][T19437] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:17 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb000000, &(0x7f000000a000))

[  482.215549][T19446] FS-Cache: Duplicate cookie detected
[  482.221154][T19446] FS-Cache: O-cookie c=ffff88801b102468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  482.230143][T19446] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807c07b000
[  482.237722][T19446] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  482.245310][T19446] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  482.254081][T19446] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b30a000
[  482.261386][T19446] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:17 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x9000000, &(0x7f000000a000))

14:50:17 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:17 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x4c, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  482.628831][T19461] FS-Cache: Duplicate cookie detected
[  482.635687][T19461] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  482.681333][T19461] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3b1000
[  482.688668][T19461] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  482.697086][T19461] FS-Cache: N-cookie c=ffff88802e9d42f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  482.706080][T19461] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cb20000
[  482.713584][T19461] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  482.723890][T19464] FS-Cache: Duplicate cookie detected
[  482.729580][T19464] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  482.738716][T19464] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3b1000
[  482.756155][T19464] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  482.764832][T19464] FS-Cache: N-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  482.773733][T19464] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026409000
14:50:18 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  482.781203][T19464] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:18 executing program 1:
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000002380)={0x0, 0x0, "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", "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"})
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
r4 = socket$inet_icmp(0x2, 0x2, 0x1)
preadv(r4, &(0x7f0000000c80)=[{&(0x7f0000000300)=""/110, 0x6e}, {&(0x7f00000007c0)=""/2, 0x2}, {&(0x7f0000000800)=""/78, 0x4e}, {&(0x7f0000000880)=""/210, 0xd2}, {&(0x7f0000000980)=""/89, 0x59}, {&(0x7f0000000a00)=""/230, 0xe6}, {&(0x7f0000000b00)=""/250, 0xfa}, {&(0x7f0000000c00)=""/73, 0x49}, {&(0x7f0000001380)=""/4096, 0x1000}], 0x9, 0x8, 0x1)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  482.928433][T19471] FS-Cache: Duplicate cookie detected
[  482.934423][T19471] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  482.943932][T19471] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3b1000
[  482.961090][T19473] nfs: Bad value for 'source'
[  482.983238][T19471] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  482.991876][T19471] FS-Cache: N-cookie c=ffff88802e9d58f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.000695][T19471] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888030262000
[  483.007996][T19471] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  483.095340][T19476] FS-Cache: Duplicate cookie detected
[  483.101022][T19476] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.109978][T19476] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3b1000
[  483.117195][T19476] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.124654][T19476] FS-Cache: N-cookie c=ffff88802e9d4d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.133425][T19476] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888024299000
[  483.140719][T19476] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  483.450876][T19466] FS-Cache: Duplicate cookie detected
[  483.456408][T19466] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.466042][T19466] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807d3b1000
[  483.473617][T19466] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.480982][T19466] FS-Cache: N-cookie c=ffff88802e9d5490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.489684][T19466] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c95b000
14:50:18 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc000000, &(0x7f000000a000))

[  483.496977][T19466] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  483.554608][T19487] FS-Cache: Duplicate cookie detected
[  483.560392][T19487] FS-Cache: O-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.569559][T19487] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801c619000
[  483.577079][T19487] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.584454][T19487] FS-Cache: N-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.593233][T19487] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888016864000
14:50:19 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa000000, &(0x7f000000a000))

14:50:19 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:19 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000300)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93779983fe4768739ad15be144a70a045bfe30f444d000114658f7cd623fcdf2b4f281d6ebcbeaef5d1697edfc5d2bb2c924908070000dc79b39812dda876840f3f971dd75e272f24fe150000000000"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)

[  483.600572][T19487] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:19 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x50, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  483.727208][T19494] FS-Cache: Duplicate cookie detected
[  483.733447][T19494] FS-Cache: O-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.742948][T19494] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801c619000
[  483.750532][T19494] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.759212][T19494] FS-Cache: N-cookie c=ffff88802e9d4758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.768387][T19494] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888013ae6000
[  483.770490][T19496] nfs: Bad value for 'source'
[  483.812048][T19494] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  483.824117][T19495] FS-Cache: Duplicate cookie detected
[  483.830043][T19495] FS-Cache: O-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.839118][T19495] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801c619000
[  483.847838][T19495] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.856119][T19495] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.865034][T19495] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801839d000
[  483.881554][T19495] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  483.934084][T19498] FS-Cache: Duplicate cookie detected
[  483.939575][T19498] FS-Cache: O-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  483.948597][T19498] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801c619000
[  483.956083][T19498] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  483.963514][T19498] FS-Cache: N-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  483.972308][T19498] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018399000
[  483.979552][T19498] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  484.037657][T19503] FS-Cache: Duplicate cookie detected
[  484.046241][T19503] FS-Cache: O-cookie c=ffff88802e9d4000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  484.056231][T19503] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88801c619000
[  484.063596][T19503] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  484.072416][T19503] FS-Cache: N-cookie c=ffff88802e9d5608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  484.110175][T19503] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020c2d000
[  484.117616][T19503] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  484.163045][T19507] nfs: Bad value for 'source'
14:50:19 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x64, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:19 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f00000007c0)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r4 = gettid()
process_vm_writev(r4, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r5 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0)
syz_mount_image$ext4(&(0x7f0000000300)='ext2\x00', &(0x7f0000000340)='./file0\x00', 0x7, 0x0, &(0x7f0000000a80), 0x221002, &(0x7f0000000b00)={[{@norecovery='norecovery'}, {@errors_remount='errors=remount-ro'}, {@data_journal='data=journal'}, {@orlov='orlov'}], [{@fsmagic={'fsmagic', 0x3d, 0x100}}]})
preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r5, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
kcmp$KCMP_EPOLL_TFD(r4, 0x0, 0x7, r3, &(0x7f0000000200)={r2, 0xffffffffffffffff, 0x6})
syz_open_procfs(r4, &(0x7f0000000000)='net/dev\x00')

14:50:19 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x68, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:20 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd000000, &(0x7f000000a000))

[  484.568978][T19500] FS-Cache: Duplicate cookie detected
[  484.574519][T19500] FS-Cache: O-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  484.583610][T19500] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
[  484.591292][T19500] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  484.598614][T19500] FS-Cache: N-cookie c=ffff8880196c8d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  484.607570][T19500] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888018d6e000
[  484.614886][T19500] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  484.655343][T19532] FS-Cache: Duplicate cookie detected
[  484.661142][T19532] FS-Cache: O-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  484.670123][T19532] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
[  484.677354][T19532] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  484.684724][T19532] FS-Cache: N-cookie c=ffff88802e9d4eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  484.693481][T19532] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807caef000
14:50:20 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb000000, &(0x7f000000a000))

[  484.700750][T19532] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:20 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  484.807609][T19537] FS-Cache: Duplicate cookie detected
[  484.813313][T19537] FS-Cache: O-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  484.822273][T19537] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
[  484.829493][T19537] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  484.836847][T19537] FS-Cache: N-cookie c=ffff88802e9d5be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  484.845614][T19537] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880139da000
14:50:20 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  484.852894][T19537] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:20 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x5c, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  484.964359][T19542] FS-Cache: Duplicate cookie detected
[  484.970837][T19542] FS-Cache: O-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  484.980643][T19542] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
[  484.988073][T19542] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:20 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x74, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  484.999842][T19542] FS-Cache: N-cookie c=ffff8880196c9be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  485.023780][T19542] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bf0f000
[  485.031319][T19542] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  485.110913][T19548] FS-Cache: Duplicate cookie detected
[  485.116551][T19548] FS-Cache: O-cookie c=ffff8880196c82f0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  485.125632][T19548] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888019afa000
[  485.133128][T19548] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  485.141845][T19548] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  485.150876][T19548] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b526000
[  485.158310][T19548] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:20 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:20 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f00000007c0)=ANY=[@ANYBLOB="8fd5ce2df1dc13a8fb340bd8eec4f9261eb37ecae25105c432a40e6f2df48335c70a9164942f9b2f612a64702ad43fa9836673d7aff938a23657ee4a5cf26cc2b222ea41e8a66ed7d790b3a2bab5c96fc7ce53e45b49179e69c9f0e443f31def0fd09ecf1848a76f28cc3bdd6d6910b5ece2ddfb7057b58b6e3831a2fbc88590dcb8ce119b29dd660003dae808a5cef2703b7af8e51985a16b00"/163], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:50:21 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe000000, &(0x7f000000a000))

14:50:21 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f4, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:21 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xc000000, &(0x7f000000a000))

14:50:21 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  485.913337][T19579] FS-Cache: Duplicate cookie detected
[  485.929180][T19579] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  485.938360][T19579] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888025ffa000
[  485.945981][T19579] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  485.954715][T19579] FS-Cache: N-cookie c=ffff8880196c91a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  485.963790][T19579] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801aed9000
[  485.971449][T19579] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  485.989316][T19552] FS-Cache: Duplicate cookie detected
[  485.995048][T19552] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  486.004122][T19552] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888025ffa000
[  486.011478][T19552] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  486.018780][T19552] FS-Cache: N-cookie c=ffff88802e9d45e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  486.028263][T19552] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e2ae000
[  486.035853][T19552] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:21 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000007c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b31ffcc9ba034a1d88971dd75e672f24fe1584a53a79000046f1e93460f07df541d345e2f9fa1a7a2447c30482307aa0cbce7d9707f013074bc687202cc9d69c9a2a572f11686807feb8d6f1ff8f9c915d4bbb41b78d20fd43ad0800000000000000e978086290f8975e"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0x2, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x200003}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000000c80)={0x0, 0x0, {0x0, @struct}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}})
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000bc0)=ANY=[@ANYBLOB="855b381c6670a35eb8d9ce13c16973e4f72b71464ddac1f26829e79ef0d89adf8356c80699643b0ff7f38053472e36556f1e6636fefeca02d6136406598648bd690d83c5fc12f5e3818a74505ed33a6e65c00f12dcc3118004a6f1925b159fa1f08c5b2b76c4db9c99ff0bd72dfc34149e348ac003cce0f6968b8ed26760305f4cc9d9b24c8c87794f66f9f007e122c3b97c4a2e6e7187e1dbb6b03c4b7465ee6fe3cfc5ba62a4ea8a26b401fed05cbf0512"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
ptrace$setsig(0x4203, r2, 0xfffffffffffffc91, &(0x7f0000000300)={0xc, 0x1000, 0xbf})
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  486.121016][T19585] FS-Cache: Duplicate cookie detected
[  486.133756][T19585] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  486.142815][T19585] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888025ffa000
[  486.150236][T19585] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  486.158738][T19585] FS-Cache: N-cookie c=ffff8880196c9a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  486.167673][T19585] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ddbc000
[  486.175163][T19585] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:21 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x64, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:21 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  486.296791][T19591] FS-Cache: Duplicate cookie detected
[  486.302945][T19591] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  486.318304][T19591] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888025ffa000
[  486.325704][T19591] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  486.346834][T19591] FS-Cache: N-cookie c=ffff8880196c88d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  486.356257][T19591] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807ddba000
[  486.363800][T19591] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  486.608423][T19597] FS-Cache: Duplicate cookie detected
[  486.619177][T19597] FS-Cache: O-cookie c=ffff88802e9d4468 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  486.628975][T19597] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888025ffa000
14:50:22 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x68, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  486.662274][T19597] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  486.671091][T19597] FS-Cache: N-cookie c=ffff88802e9d5a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  486.680010][T19597] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880258ef000
[  486.687367][T19597] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:22 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10000000, &(0x7f000000a000))

14:50:22 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xd000000, &(0x7f000000a000))

14:50:22 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x6c, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:22 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  486.987381][T19619] FS-Cache: Duplicate cookie detected
[  486.993057][T19619] FS-Cache: O-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  487.002144][T19619] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd59000
[  487.009390][T19619] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  487.016788][T19619] FS-Cache: N-cookie c=ffff888143b0e758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  487.025663][T19619] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e7fe000
[  487.033102][T19619] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:22 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x74, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  487.146270][T19622] FS-Cache: Duplicate cookie detected
[  487.197981][T19622] FS-Cache: O-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  487.207172][T19622] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd59000
[  487.214730][T19622] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  487.223046][T19622] FS-Cache: N-cookie c=ffff888143b0ebc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  487.231912][T19622] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801970c000
[  487.239304][T19622] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:22 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000300)=ANY=[@ANYBLOB="815d634d5fee2ab242c0a732c151dc66a672f20662cd277090ac8ddedef56955584f7d715c98b8a2c7c6acb98277eb11555efdada132cd6eca3e6bec651546a99001505f61a2ae"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000007c0)={r1, 0xe4, "9e40eadc722ee52acf21bc81a01145483860c94ed1afc66e5da62fc3a2547837a4b5c9d786086baa69354f9bdfdc6a158a8fdf4cc8aefbe639c2a9be0297778278614e751f61ae6263b5a7a8d4f1af32c6bc2fbd8b184588f104db36d7d237369a9be44f6218f0a5358eca6f407413c9f7c5950322ffdc57b278d7b405250adff33565bcb9c0a4595380641f9f2c401c40adefb89049ce0150478cb18e8355dd5cd21d8bfb738a7770e06c601682fedf37023ad132fec1c8532bd339f8c5fbf6122c9493eefb1bdd1498a87aba0a596ffbbca0e65db9860d50f85809bc4493d16e513718"}, &(0x7f00000008c0)=0xec)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  487.347343][T19602] FS-Cache: Duplicate cookie detected
[  487.353529][T19602] FS-Cache: O-cookie c=ffff888143b0eeb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  487.362781][T19602] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807dd59000
[  487.370064][T19602] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  487.377363][T19602] FS-Cache: N-cookie c=ffff888143b0fbe8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  487.386136][T19602] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880141b2000
[  487.393426][T19602] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:22 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x7a, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:23 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x1f4, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:23 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3e8, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:23 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=<r2=>r1, &(0x7f00000002c0)=0x4)
getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000008c0)={0x0, @in6={{0xa, 0x4e22, 0x7fff, @mcast1, 0x7ff}}, [0x5504ebbf, 0x10000, 0x5626, 0x0, 0x9e, 0x3, 0x0, 0x7, 0x6, 0x7c, 0x1000, 0x8, 0x6, 0x40, 0xffffffff]}, &(0x7f00000009c0)=0x100)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r3 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
bind$inet(r3, &(0x7f0000000300)={0x2, 0x4e22, @loopback}, 0x10)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000a00)=ANY=[@ANYBLOB="aee0518107e20c12752674bf938ba7ec2b05ea2f514bf48d18a118a421b7d1d60c82d076d9c138265cdaadbbf93681a08684589281a46263245c68516fe5620e177ed2b337a8527ac69bcf3d71a44797d829c3e40fd98557ab23fbb5de7c230158756e76b89740c8b21c54cf33112d4e3d80ac9d6967724e6930e83410498403ffda7f78a71875f3c9015e4be58f2184f81182aebfce714d28cbb206", @ANYRES32=r2, @ANYRESDEC=r2, @ANYRESHEX], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000000640)='ubifs\x00', 0x0, &(0x7f000000a000))
r4 = gettid()
process_vm_writev(r4, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r5 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0)
preadv(r5, &(0x7f0000000280), 0x0, 0x10d9f, 0x0)
preadv(r5, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000340)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r4, &(0x7f0000000000)='net/dev\x00')

14:50:23 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11000000, &(0x7f000000a000))

14:50:23 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x500, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:23 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x300, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:23 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xe000000, &(0x7f000000a000))

14:50:23 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xf000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  487.940549][T19653] UBIFS error (pid: 19653): cannot open "®àQ�âu&t¿“‹§ì+ê/QKô�¡¤!·ÑÖ‚ÐvÙÁ8&\Ú­»ù6� †„X’�¤bc$\hQoåb~Ò³7¨RzÆ›Ï=q¤G—Ø)ÃäÙ…W«#ûµÞ|#
Xunv¸—@ȲTÏ3-N=€¬�igrNi0è4I„ÿÚx§uóÉ
^Kå�!„ø‚®¿ÎqM(˲ÿÿÿÿ184467440737095516150xffffffffffffffff", error -22
[  488.195182][T19662] FS-Cache: Duplicate cookie detected
[  488.226179][T19662] FS-Cache: O-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  488.235320][T19662] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  488.242689][T19662] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  488.251359][T19662] FS-Cache: N-cookie c=ffff888143b0f780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  488.260295][T19662] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e95c000
[  488.267774][T19662] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  488.310917][T19663] FS-Cache: Duplicate cookie detected
[  488.316623][T19663] FS-Cache: O-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  488.329905][T19663] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  488.337240][T19663] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  488.346096][T19663] FS-Cache: N-cookie c=ffff888143b0f490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  488.355091][T19663] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88802e958000
[  488.362611][T19663] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  488.407332][T19670] FS-Cache: Duplicate cookie detected
[  488.412900][T19670] FS-Cache: O-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  488.421925][T19670] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  488.429146][T19670] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  488.436658][T19670] FS-Cache: N-cookie c=ffff888143b0fd60 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  488.445495][T19670] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d9fd000
[  488.452839][T19670] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  488.507252][T19671] FS-Cache: Duplicate cookie detected
[  488.513611][T19671] FS-Cache: O-cookie c=ffff8880196c98f8 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  488.523983][T19671] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888028d2e000
[  488.531604][T19671] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  488.539600][T19671] FS-Cache: N-cookie c=ffff888143b0e8d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  488.548676][T19671] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807d9fb000
[  488.556704][T19671] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:24 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12000000, &(0x7f000000a000))

14:50:24 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x600, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

14:50:24 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x3e8, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:24 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
sendmsg(r0, &(0x7f0000000fc0)={&(0x7f0000000c40)=@nfc={0x27, 0x0, 0x0, 0x6}, 0x80, &(0x7f0000000f40)=[{&(0x7f0000000cc0)="9b4fd0d86e98a1fd8ea5a4dcfabeee499b6e490df3c8412d009f1803ff174cc99edcff93f26287e768efc49b16b254aecec2d1efa342", 0x36}, {&(0x7f0000002380)="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0x1000}, {&(0x7f0000000d00)="4ceb97c96bc6754a454802b1628baf520a02f401de456dc201879dd83393498efdc9b63e860e0741f4565b", 0x2b}, {&(0x7f0000000d40)="f8f4e67e7015d4d841085555edae5c91fc7a7954764bd08539ad0f184149782a8d3ebddb575a41728fa91dee95b446ca544292cff9ae6c723b7aa54f527647e305cf8299724f2a065febb68d3def2e41173529427852618ee0779884b32b07231d22415d9cba803f1ac51d4227ed96e7ba37ff4e83087f31b222d56311d1cb2874cd347d41ff0a116a08d93fb94a0ddae9531ec9efdede7de885a8efe4c17a352d0aa7d723eba599298a9cd22a4da4f57298fba7acd937645a3b3388d95760a31ee23731d7e3f9b73984fe63bc876eef29b559282a2ac81b24d3375fdf", 0xdd}, {&(0x7f0000000e40)="b55b295f7261d3ab4af18122e7ea2846e2be03f2bf65252e9ed57b58801cf5edf6a5c92f6e16f74749ea3ed5db9a06476d67e17fb9f99f5a69aa832ea41e582d2375b059d638a5f169a9e5208be1d87fe6f417755c52ae95b5ba709975d9812e158d3e21132d463e2d5ab5409a4ecadd9326b00628c93ada1461f4a168be4d38c7a4114069e13f00aa479d54f5c408034312569e340df869b47761032e360ad48f63487b660381d16fd365b30b3e660526d9fd88765343e6e226ef58ecc575a4bea1", 0xc2}], 0x5, &(0x7f0000003380)=[{0x90, 0x11, 0x1, "d295928e810d24e376ba3fdb79496482f97976db4aa3dd3a742f0326b14086d440de4fe0679229505fee0fb18d9542aa8b608cd5be1aa0fbe3cc70a87a5e390b5148e9e02c285ab1a167226ccf1d0ae44ed3d2c0f1002dcad385db2601d679089561b34d39873c190d403b8f0aa9348ea93d0117452d56e8da8218513be3d5"}, {0x1010, 0x104, 0xfb6, "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"}, {0x48, 0x11, 0x8, "bfb6bf7cced927db36065dad5cce85f74a171e07d149a32544e1b2b2fed087f5a4ab27e1056bd970eefcb5674dc031c31c"}, {0xe0, 0x117, 0x2, "1a58f95d3ff6f4809bbdd1471db7a86e285615bdce13c99df8681f76f9b8481f4f3544389d2abda66573ff1184c6f97830a58a6c9575e016ab2fdc98375a14511301db07c8cd1cb3cc32976a2bafacc0fab522540ea40f36f86ec6771ffd4198195a012c757c0c8e46478c33f032417d807dd611f02cb424049d3b665a275c0d0a0e2149f1496d31b103ccefa17c96ae4130a0cc65996a12bb90c95ccb3d035265afea264b9127cedb46bd23dc26afad085b09d5aa3979e94cae9ab88b1b725620046a1ef355749c543e6d201466"}, {0x60, 0x117, 0x400, "ddba6c820f52e29904b2fd9942133a2964ae4ec25a7933a62fc7fbd4369ca5df0cfc628df45b719c6035ad9a2c415cf2c9c058ba8827f1838a2e982012131f19defd809abae38bdcd0ba9cc92a06"}, {0x68, 0x10b, 0x7f, "92155d73c94c773746f2af645f981fcb6ce40b923f776800e0e19f267c5c17df5b5be61eba787a99064b63b391d97abb150a452f07a1e8caa78907bd9dbfe648c65328a65d2c64a1b60daebdf344de1f01806cf21554c0"}, {0x70, 0x110, 0xfffffffa, "210aaa2c3c3574e671d949d6211352c0ee1ab638da164c7f45a9b5e9790d46f9f5fdb81c3f66654655e5e3ddadfea55d429e845307dd1762eea091d19f29159c737333c5907a6097cb8f03f4a108ae338f7a970e30ff84251a"}], 0x1300}, 0x20000004)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
r2 = perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
preadv(r2, &(0x7f0000000bc0)=[{&(0x7f0000000300)=""/71, 0x47}, {&(0x7f00000007c0)=""/96, 0x60}, {&(0x7f0000000840)=""/116, 0x74}, {&(0x7f00000008c0)=""/11, 0xb}, {&(0x7f0000000900)=""/217, 0xd9}, {&(0x7f0000001380)=""/4096, 0x1000}, {&(0x7f0000000a00)=""/212, 0xd4}, {&(0x7f0000000b00)=""/176, 0xb0}], 0x8, 0x1, 0xfffffffb)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  489.289561][T19689] FS-Cache: Duplicate cookie detected
[  489.295265][T19689] FS-Cache: O-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  489.314591][T19689] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888029a76000
[  489.322100][T19689] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  489.330871][T19689] FS-Cache: N-cookie c=ffff88801b102bc0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  489.339797][T19689] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c507000
[  489.347115][T19689] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  489.358767][T19688] FS-Cache: Duplicate cookie detected
[  489.364423][T19688] FS-Cache: O-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  489.373402][T19688] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888029a76000
[  489.380736][T19688] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  489.388088][T19688] FS-Cache: N-cookie c=ffff888143b0e2f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  489.396865][T19688] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bda6000
[  489.405094][T19688] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  489.460497][T19698] FS-Cache: Duplicate cookie detected
[  489.466169][T19698] FS-Cache: O-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  489.481236][T19698] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888029a76000
[  489.488575][T19698] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  489.497155][T19698] FS-Cache: N-cookie c=ffff888143b0f318 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:24 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  489.506125][T19698] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880193e6000
[  489.513638][T19698] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:25 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x500, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  489.684755][T19702] FS-Cache: Duplicate cookie detected
[  489.691252][T19702] FS-Cache: O-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  489.700931][T19702] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888029a76000
[  489.743635][T19702] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  489.752286][T19702] FS-Cache: N-cookie c=ffff888143b0ed38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  489.761244][T19702] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c03b000
[  489.768700][T19702] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:25 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x10000000, &(0x7f000000a000))

[  489.864043][T19706] FS-Cache: Duplicate cookie detected
[  489.869792][T19706] FS-Cache: O-cookie c=ffff888143b0ea48 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  489.878960][T19706] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888029a76000
[  489.887123][T19706] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  489.896294][T19706] FS-Cache: N-cookie c=ffff88801b102758 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  489.905316][T19706] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807e00c000
[  489.926293][T19706] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:25 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18000000, &(0x7f000000a000))

[  490.138516][T19713] FS-Cache: Duplicate cookie detected
[  490.144394][T19713] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.153364][T19713] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.160635][T19713] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  490.167955][T19713] FS-Cache: N-cookie c=ffff888143b0f1a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.176750][T19713] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025c39000
[  490.184073][T19713] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  490.202784][T19717] FS-Cache: Duplicate cookie detected
[  490.208318][T19717] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.217512][T19717] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.224814][T19717] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:25 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x700, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  490.232174][T19717] FS-Cache: N-cookie c=ffff88801b103490 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.240976][T19717] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807df98000
[  490.248235][T19717] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:25 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000037c0)={'syztnl1\x00', &(0x7f0000003740)={'syztnl2\x00', <r2=>0x0, 0x2f, 0xa6, 0xf9, 0x2, 0x486e52afdf0fbd52, @local, @private0, 0x7, 0x10, 0x4, 0x7fffffff}})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000003880)={&(0x7f0000003700)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000003840)={&(0x7f0000003800)=@RTM_GETMDB={0x18, 0x56, 0x200, 0x70bd28, 0x25dfdbff, {0x7, r2}, ["", "", ""]}, 0x18}, 0x1, 0x0, 0x0, 0xc040}, 0x4000050)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000300)=ANY=[@ANYBLOB='we'], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

[  490.443405][T19722] FS-Cache: Duplicate cookie detected
[  490.449108][T19722] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.458785][T19722] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.469894][T19722] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  490.478695][T19722] FS-Cache: N-cookie c=ffff88801b1022f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.487689][T19722] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7a3000
[  490.495129][T19722] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  490.508192][T19704] FS-Cache: Duplicate cookie detected
[  490.513739][T19704] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.522860][T19704] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.530406][T19704] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  490.537718][T19704] FS-Cache: N-cookie c=ffff88801b103a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.546613][T19704] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7a7000
[  490.553918][T19704] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:26 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  490.728148][T19728] FS-Cache: Duplicate cookie detected
[  490.733987][T19728] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.743239][T19728] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.750538][T19728] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  490.757884][T19728] FS-Cache: N-cookie c=ffff88801b1028d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.766681][T19728] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025c0d000
[  490.773983][T19728] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  490.861261][T19732] FS-Cache: Duplicate cookie detected
[  490.866865][T19732] FS-Cache: O-cookie c=ffff88801b103608 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  490.876258][T19732] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807df9f000
[  490.884578][T19732] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  490.894992][T19732] FS-Cache: N-cookie c=ffff888143b0e5e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  490.903897][T19732] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888025d8c000
14:50:26 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x600, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  490.911961][T19732] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:26 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x11000000, &(0x7f000000a000))

14:50:26 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000300)=ANY=[@ANYBLOB="14e57683481d57a074d68e8bf2cdd9ff3f50c032e5d1be6060c666b7db9eb448d538450828413afd91fe"], &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  491.127126][T19744] FS-Cache: Duplicate cookie detected
[  491.133246][T19744] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.149102][T19744] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.159694][T19744] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.168429][T19744] FS-Cache: N-cookie c=ffff88801b1025e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
14:50:26 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x20000000, &(0x7f000000a000))

[  491.177400][T19744] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cf78000
[  491.184960][T19744] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  491.235009][T19748] FS-Cache: Duplicate cookie detected
[  491.244317][T19748] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.253570][T19748] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.261059][T19748] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.269448][T19748] FS-Cache: N-cookie c=ffff88801b103be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  491.278400][T19748] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc6a000
[  491.285857][T19748] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  491.326425][T19754] FS-Cache: Duplicate cookie detected
[  491.332201][T19754] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.341176][T19754] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.348417][T19754] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.355836][T19754] FS-Cache: N-cookie c=ffff88801b102178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  491.364634][T19754] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807fc6d000
[  491.371954][T19754] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:26 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x900, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  491.499197][T19757] FS-Cache: Duplicate cookie detected
[  491.505730][T19757] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.514969][T19757] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.522798][T19757] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.531047][T19757] FS-Cache: N-cookie c=ffff88801b102000 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  491.540184][T19757] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019a50000
[  491.547714][T19757] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  491.615409][T19734] FS-Cache: Duplicate cookie detected
[  491.621183][T19734] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.630192][T19734] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.637421][T19734] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.644829][T19734] FS-Cache: N-cookie c=ffff8880196c9318 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  491.654212][T19734] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807cdbe000
[  491.661835][T19734] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:27 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

[  491.836700][T19763] FS-Cache: Duplicate cookie detected
[  491.842494][T19763] FS-Cache: O-cookie c=ffff8880196c8000 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  491.851573][T19763] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff888030121000
[  491.871342][T19763] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  491.880245][T19763] FS-Cache: N-cookie c=ffff88801b103028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  491.889084][T19763] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019a51000
[  491.896483][T19763] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:27 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x700, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

14:50:27 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x12000000, &(0x7f000000a000))

[  492.160875][T19778] FS-Cache: Duplicate cookie detected
[  492.167067][T19778] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  492.176336][T19778] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e5000
[  492.183614][T19778] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  492.190958][T19778] FS-Cache: N-cookie c=ffff8880196c9780 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  492.199672][T19778] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888027747000
[  492.206950][T19778] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  492.233546][T19780] FS-Cache: Duplicate cookie detected
[  492.238971][T19780] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  492.248240][T19780] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e5000
[  492.255572][T19780] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  492.262954][T19780] FS-Cache: N-cookie c=ffff88801b102d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  492.271755][T19780] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888026409000
14:50:27 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a0bbfbbe4bd79439c1109d0c2c9249dd44be32dc79b39812dda876840f3f971d00"/75], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f00000007c0)={0x0, 0xfe000000, 0x2, 0x0, 0x8, 0x7, 0xef0, 0xc56c, {<r1=>0x0, @in={{0x2, 0x4e21, @broadcast}}, 0x1, 0x120000, 0x1, 0x3, 0xb4}}, &(0x7f0000000300)=0xb0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r2=>r1, @in6={{0xa, 0x4e21, 0xffff7fff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r2, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f00000008c0)={0x2, 0x70, 0xad, 0x8f, 0x6, 0x4, 0x0, 0x81, 0x46800, 0x9, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x3, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x4, 0x4, @perf_bp={&(0x7f0000000880), 0x3}, 0xc03, 0x8, 0x4, 0x6, 0x1f, 0x625, 0x9})
r3 = gettid()
process_vm_writev(r3, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0)
preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r4, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
syz_open_procfs(r3, &(0x7f0000000000)='net/dev\x00')

14:50:27 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x20100000, &(0x7f000000a000))

[  492.279014][T19780] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  492.363278][T19783] FS-Cache: Duplicate cookie detected
[  492.368712][T19783] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  492.377967][T19783] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e5000
[  492.385415][T19783] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  492.392913][T19783] FS-Cache: N-cookie c=ffff88801b102a48 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  492.401706][T19783] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c7ca000
[  492.408927][T19783] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  492.482628][T19788] nfs: Bad value for 'source'
14:50:28 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x21000000, &(0x7f000000a000))

[  492.587120][T19788] nfs: Bad value for 'source'
[  492.662789][T19765] FS-Cache: Duplicate cookie detected
[  492.668335][T19765] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  492.677878][T19765] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e5000
[  492.685564][T19765] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  492.693071][T19765] FS-Cache: N-cookie c=ffff8880196c8178 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  492.701834][T19765] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801b24f000
14:50:28 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa00, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  492.709047][T19765] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  492.734174][T19796] FS-Cache: Duplicate cookie detected
[  492.739668][T19796] FS-Cache: O-cookie c=ffff8880196c9d60 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  492.748759][T19796] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880790e5000
[  492.756115][T19796] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  492.763626][T19796] FS-Cache: N-cookie c=ffff8880196c9608 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  492.772397][T19796] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b820000
[  492.779623][T19796] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:28 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
preadv(r0, &(0x7f0000000940)=[{&(0x7f00000007c0)=""/158, 0x9e}, {&(0x7f0000000300)=""/42, 0x2a}, {&(0x7f0000000880)=""/123, 0x7b}, {&(0x7f0000001380)=""/4096, 0x1000}, {&(0x7f0000000340)=""/27, 0x1b}, {&(0x7f0000000900)}], 0x6, 0x800, 0x3)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

14:50:28 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:28 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x900, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  493.054954][T19808] FS-Cache: Duplicate cookie detected
[  493.060744][T19808] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.069635][T19808] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.076946][T19808] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.084506][T19808] FS-Cache: N-cookie c=ffff8880196c85e0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.093312][T19808] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807c3aa000
[  493.100641][T19808] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.122373][T19811] FS-Cache: Duplicate cookie detected
[  493.128079][T19811] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.137390][T19811] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.144899][T19811] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:28 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x18000000, &(0x7f000000a000))

[  493.152963][T19811] FS-Cache: N-cookie c=ffff88801b1031a0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.162255][T19811] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801c61d000
[  493.169608][T19811] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.213885][T19813] FS-Cache: Duplicate cookie detected
[  493.219386][T19813] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.228679][T19813] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.240268][T19813] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.248860][T19813] FS-Cache: N-cookie c=ffff88801b102eb0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.257782][T19813] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807b75f000
[  493.265170][T19813] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.275190][T19816] FS-Cache: Duplicate cookie detected
[  493.281689][T19816] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.290808][T19816] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.324041][T19816] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.332753][T19816] FS-Cache: N-cookie c=ffff8880196c9028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.341644][T19816] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880236c0000
[  493.348999][T19816] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.357925][T19818] FS-Cache: Duplicate cookie detected
[  493.369473][T19818] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.378727][T19818] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.386322][T19818] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.395630][T19818] FS-Cache: N-cookie c=ffff888024ed28d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.404603][T19818] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888080d72000
[  493.412006][T19818] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.606962][T19823] FS-Cache: Duplicate cookie detected
[  493.612690][T19823] FS-Cache: O-cookie c=ffff8880196c8eb0 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.621738][T19823] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff8880151c0000
[  493.628954][T19823] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.636384][T19823] FS-Cache: N-cookie c=ffff8880196c8d38 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.645319][T19823] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888020c2d000
[  493.652637][T19823] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:29 executing program 0:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x25000000, &(0x7f000000a000))

14:50:29 executing program 5:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(r0, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6}, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xb00, &(0x7f000000a000))
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000740)=[{0x0}, {&(0x7f0000000680)=""/160, 0xa0}], 0x2, 0x0, 0x0)

[  493.857324][T19832] FS-Cache: Duplicate cookie detected
[  493.867505][T19832] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.877081][T19832] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  493.885194][T19832] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.894606][T19832] FS-Cache: N-cookie c=ffff8880196c8468 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.903694][T19832] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88807bdb8000
[  493.939788][T19832] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  493.953978][T19819] FS-Cache: Duplicate cookie detected
[  493.959486][T19819] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  493.968649][T19819] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  493.976065][T19819] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  493.983431][T19819] FS-Cache: N-cookie c=ffff888024ed3a70 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  493.992192][T19819] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888021fe6000
[  493.999435][T19819] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:29 executing program 1:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
r0 = socket$inet(0x2b, 0x801, 0x0)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={<r1=>0x0, @in6={{0xa, 0x4e21, 0xffffffff, @mcast2, 0x101}}, 0x6, 0x7fffffff, 0x3, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r1, &(0x7f00000002c0)=0x4)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000a80), 0x3}, 0x8000000200052e02, 0x40000000800007f, 0x1000}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000040)=@assoc_value, 0x8)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000))
r2 = gettid()
process_vm_writev(r2, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0)
preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
preadv(r3, &(0x7f0000000740)=[{&(0x7f0000000380)=""/34, 0x22}, {&(0x7f00000003c0)=""/247, 0xf7}, {&(0x7f00000004c0)=""/55, 0x37}, {&(0x7f0000000500)=""/83, 0x53}, {&(0x7f0000000580)=""/163, 0xa3}, {&(0x7f0000000640)=""/55, 0x37}, {&(0x7f0000000680)=""/160, 0xa0}], 0x7, 0x67, 0x1000)
process_vm_writev(0x0, &(0x7f0000c22000)=[{&(0x7f000034afa4)=""/1, 0x1f80}], 0x2, &(0x7f0000c22fa0)=[{&(0x7f0000000080)=""/1, 0x2034afa5}], 0xf, 0x0)
process_vm_writev(0x0, &(0x7f0000000340)=[{&(0x7f0000000300)=""/40, 0x28}, {&(0x7f00000007c0)=""/164, 0xa4}, {&(0x7f0000000880)=""/98, 0x62}, {&(0x7f0000000900)=""/126, 0x7e}], 0x4, &(0x7f0000000a40)=[{&(0x7f0000001380)=""/4096, 0x1000}, {&(0x7f0000000980)=""/186, 0xba}], 0x2, 0x0)
syz_open_procfs(r2, &(0x7f0000000000)='net/dev\x00')

[  494.130163][T19839] FS-Cache: Duplicate cookie detected
[  494.135592][T19839] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  494.144689][T19839] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  494.152017][T19839] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  494.159322][T19839] FS-Cache: N-cookie c=ffff88802e9d48d0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  494.168098][T19839] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888029547000
[  494.175481][T19839] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  494.240743][T19846] FS-Cache: Duplicate cookie detected
[  494.246235][T19846] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  494.255242][T19846] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  494.262764][T19846] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  494.270129][T19846] FS-Cache: N-cookie c=ffff88802e9d5be8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  494.278839][T19846] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801bd36000
[  494.286164][T19846] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  494.294412][T19844] FS-Cache: Duplicate cookie detected
[  494.300077][T19844] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  494.309118][T19844] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  494.326697][T19844] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
14:50:29 executing program 4:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x20000000, &(0x7f000000a000))
syz_open_procfs(0x0, 0x0)

14:50:29 executing program 2:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
socket$inet(0x2b, 0x0, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x17, &(0x7f0000001340), 0x4)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e21, 0x0, @mcast2}}, 0x6, 0x7fffffff, 0x0, 0x5f2c1a56, 0x3}, &(0x7f0000000140)=0x98)
getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, 0x0, 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0xa00, &(0x7f000000a000))
gettid()
preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0)

[  494.334894][T19844] FS-Cache: N-cookie c=ffff888024ed38f8 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  494.343766][T19844] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff8880216f6000
[  494.351186][T19844] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  494.386810][T19850] FS-Cache: Duplicate cookie detected
[  494.393506][T19850] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  494.402748][T19850] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  494.410864][T19850] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  494.426544][T19850] FS-Cache: N-cookie c=ffff888024ed22f0 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  494.435506][T19850] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff888019afe000
[  494.443157][T19850] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
14:50:29 executing program 3:
getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)=ANY=[@ANYBLOB="3f00fd00e0bbb557f3b0b93742c379983fe48e8739ad15be144a70a045bfe30f444d000114658f7cd623c5d2bb2c9249dd44be32dc79b39812dda876840f3f971dd75e672f24fe1584a53a"], 0x0)
perf_event_open(&(0x7f000000a000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200052e02, 0x40000000800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
mount(&(0x7f0000000100), &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x20000000, &(0x7f000000a000))

[  494.544624][T19844] ================================================================================
[  494.601398][T19844] UBSAN: shift-out-of-bounds in net/sunrpc/xprt.c:658:14
[  494.619333][T19854] FS-Cache: Duplicate cookie detected
[  494.633793][T19854] FS-Cache: O-cookie c=ffff8880196c8758 [p=ffff88801732e000 fl=222 nc=0 na=1]
[  494.643004][T19854] FS-Cache: O-cookie d=ffffffff89cbf6c0 n=ffff88807cd8f000
[  494.650418][T19854] FS-Cache: O-key=[16] '0200000000000000020000807f000008'
[  494.658914][T19854] FS-Cache: N-cookie c=ffff888024ed3028 [p=ffff88801732e000 fl=2 nc=0 na=1]
[  494.668045][T19854] FS-Cache: N-cookie d=ffffffff89cbf6c0 n=ffff88801881f000
[  494.675480][T19854] FS-Cache: N-key=[16] '0200000000000000020000807f000008'
[  494.687460][T19844] shift exponent 536873600 is too large for 64-bit type 'unsigned long'
[  494.731696][T19844] CPU: 1 PID: 19844 Comm: syz-executor.1 Not tainted 5.12.0-rc6-syzkaller #0
[  494.740521][T19844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  494.750589][T19844] Call Trace:
[  494.753878][T19844]  dump_stack+0x176/0x24e
[  494.758246][T19844]  __ubsan_handle_shift_out_of_bounds+0x42e/0x4d0
[  494.764679][T19844]  ? seqcount_lockdep_reader_access+0x14c/0x170
[  494.770987][T19844]  ? ktime_get+0x27c/0x2b0
[  494.775419][T19844]  xprt_do_reserve+0x751/0x770
[  494.780254][T19844]  ? trace_rpc_request+0x260/0x260
[  494.785397][T19844]  ? trace_rpc_request+0x260/0x260
[  494.790514][T19844]  __rpc_execute+0x1e1/0xb10
[  494.795135][T19844]  rpc_execute+0x10d/0x200
[  494.799559][T19844]  rpc_run_task+0x5a4/0x740
[  494.804072][T19844]  rpc_create_xprt+0x2f3/0x700
[  494.808854][T19844]  ? ip_vs_genl_fill_stats+0x840/0x850
[  494.814362][T19844]  rpc_create+0x5df/0x8a0
[  494.818717][T19844]  nfs_create_rpc_client+0x5a0/0x740
[  494.824070][T19844]  nfs_init_client+0x53/0xf0
[  494.828670][T19844]  nfs_create_server+0x82d/0x2130
[  494.833725][T19844]  ? rcu_read_lock_sched_held+0x41/0xb0
[  494.839286][T19844]  nfs_try_get_tree+0x385/0x1040
[  494.844269][T19844]  ? get_nfs_version+0x235/0x250
[  494.849213][T19844]  ? nfs_get_tree+0x104c/0x1450
[  494.854082][T19844]  vfs_get_tree+0x86/0x270
[  494.858596][T19844]  path_mount+0x188a/0x29a0
[  494.863103][T19844]  ? __do_softirq+0x714/0x714
[  494.867818][T19844]  ? __entry_text_end+0x1fecc9/0x1fecc9
[  494.873365][T19844]  ? asm_sysvec_kvm_asyncpf_interrupt+0x20/0x20
[  494.880569][T19844]  ? __se_sys_mount+0x259/0x320
[  494.885431][T19844]  ? __se_sys_mount+0x26d/0x320
[  494.890295][T19844]  __se_sys_mount+0x28c/0x320
[  494.894991][T19844]  do_syscall_64+0x2d/0x70
[  494.899415][T19844]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  494.905312][T19844] RIP: 0033:0x466459
[  494.909213][T19844] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  494.928849][T19844] RSP: 002b:00007fdf542dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  494.937292][T19844] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  494.945284][T19844] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  494.953274][T19844] RBP: 00000000004bf9fb R08: 000000002000a000 R09: 0000000000000000
[  494.961263][T19844] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
[  494.969356][T19844] R13: 00007ffe876b4dbf R14: 00007fdf542dc300 R15: 0000000000022000
[  495.081084][T19844] ================================================================================
[  495.092701][T19844] Kernel panic - not syncing: panic_on_warn set ...
[  495.099321][T19844] CPU: 1 PID: 19844 Comm: syz-executor.1 Not tainted 5.12.0-rc6-syzkaller #0
[  495.108103][T19844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  495.118180][T19844] Call Trace:
[  495.121474][T19844]  dump_stack+0x176/0x24e
[  495.125815][T19844]  panic+0x291/0x800
[  495.129716][T19844]  ? __ubsan_handle_shift_out_of_bounds+0x451/0x4d0
[  495.136316][T19844]  ? dump_stack+0x1f5/0x24e
[  495.140909][T19844]  __ubsan_handle_shift_out_of_bounds+0x4c8/0x4d0
[  495.147369][T19844]  ? seqcount_lockdep_reader_access+0x14c/0x170
[  495.153635][T19844]  ? ktime_get+0x27c/0x2b0
[  495.158077][T19844]  xprt_do_reserve+0x751/0x770
[  495.162857][T19844]  ? trace_rpc_request+0x260/0x260
[  495.167984][T19844]  ? trace_rpc_request+0x260/0x260
[  495.173110][T19844]  __rpc_execute+0x1e1/0xb10
[  495.177743][T19844]  rpc_execute+0x10d/0x200
[  495.182183][T19844]  rpc_run_task+0x5a4/0x740
[  495.186727][T19844]  rpc_create_xprt+0x2f3/0x700
[  495.191502][T19844]  ? ip_vs_genl_fill_stats+0x840/0x850
[  495.196969][T19844]  rpc_create+0x5df/0x8a0
[  495.201322][T19844]  nfs_create_rpc_client+0x5a0/0x740
[  495.206632][T19844]  nfs_init_client+0x53/0xf0
[  495.211234][T19844]  nfs_create_server+0x82d/0x2130
[  495.216395][T19844]  ? rcu_read_lock_sched_held+0x41/0xb0
[  495.221966][T19844]  nfs_try_get_tree+0x385/0x1040
[  495.226931][T19844]  ? get_nfs_version+0x235/0x250
[  495.231883][T19844]  ? nfs_get_tree+0x104c/0x1450
[  495.236771][T19844]  vfs_get_tree+0x86/0x270
[  495.241207][T19844]  path_mount+0x188a/0x29a0
[  495.245722][T19844]  ? __do_softirq+0x714/0x714
[  495.250406][T19844]  ? __entry_text_end+0x1fecc9/0x1fecc9
[  495.255962][T19844]  ? asm_sysvec_kvm_asyncpf_interrupt+0x20/0x20
[  495.262244][T19844]  ? __se_sys_mount+0x259/0x320
[  495.267112][T19844]  ? __se_sys_mount+0x26d/0x320
[  495.271986][T19844]  __se_sys_mount+0x28c/0x320
[  495.276698][T19844]  do_syscall_64+0x2d/0x70
[  495.281133][T19844]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  495.287047][T19844] RIP: 0033:0x466459
[  495.290979][T19844] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[  495.310716][T19844] RSP: 002b:00007fdf542dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  495.319175][T19844] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
[  495.327172][T19844] RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000020000100
[  495.335214][T19844] RBP: 00000000004bf9fb R08: 000000002000a000 R09: 0000000000000000
[  495.343205][T19844] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
[  495.351194][T19844] R13: 00007ffe876b4dbf R14: 00007fdf542dc300 R15: 0000000000022000
[  495.359829][T19844] Kernel Offset: disabled
[  495.364186][T19844] Rebooting in 86400 seconds..