000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  484.295895][T17685] batman_adv: Cannot find parent device
[  484.358026][T17689] batman_adv: Cannot find parent device
[  484.453115][T17692] loop5: detected capacity change from 264192 to 0
[  484.631883][T17694] loop4: detected capacity change from 264192 to 0
09:01:47 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18ab9, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:47 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  484.809996][T17699] loop3: detected capacity change from 264192 to 0
[  484.857443][   T34] kauditd_printk_skb: 3 callbacks suppressed
[  484.857460][   T34] audit: type=1804 audit(1608627707.220:701): pid=17706 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/246/file1/file0" dev="loop5" ino=88 res=1 errno=0
09:01:47 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  484.960379][   T34] audit: type=1804 audit(1608627707.320:702): pid=17707 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/183/file1/file0" dev="loop4" ino=87 res=1 errno=0
[  484.986895][T17699] FAT-fs (loop3): bogus number of reserved sectors
[  485.037184][T17699] FAT-fs (loop3): Can't find a valid FAT filesystem
09:01:47 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x0, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:47 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18aba, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:47 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  485.509905][T17718] loop2: detected capacity change from 264192 to 0
[  485.797552][T17729] batman_adv: Cannot find parent device
09:01:48 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  485.831239][   T34] audit: type=1804 audit(1608627708.190:703): pid=17725 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/304/file1/file0" dev="loop2" ino=89 res=1 errno=0
[  485.958153][T17738] loop4: detected capacity change from 264192 to 0
09:01:48 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x0, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:48 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:48 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18abb, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  486.029446][T17739] loop3: detected capacity change from 264192 to 0
[  486.167082][   T34] audit: type=1804 audit(1608627708.530:704): pid=17748 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/207/file1/file0" dev="sda1" ino=15744 res=1 errno=0
[  486.281330][T17751] loop2: detected capacity change from 264192 to 0
[  486.397814][   T34] audit: type=1804 audit(1608627708.760:705): pid=17757 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/305/file1/file0" dev="sda1" ino=15812 res=1 errno=0
[  486.399407][T17759] batman_adv: Cannot find parent device
09:01:48 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  486.642596][T17764] batman_adv: Cannot find parent device
[  486.666325][T17766] loop5: detected capacity change from 264192 to 0
09:01:49 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x0, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  487.010997][   T34] audit: type=1804 audit(1608627709.370:706): pid=17766 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/247/file1/file0" dev="sda1" ino=16065 res=1 errno=0
[  487.080150][T17776] loop4: detected capacity change from 264192 to 0
09:01:49 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18abc, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:49 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:50 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  487.714615][   T34] audit: type=1804 audit(1608627710.070:707): pid=17776 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/185/file1/file0" dev="loop4" ino=90 res=1 errno=0
[  487.809493][T17785] loop3: detected capacity change from 264192 to 0
[  487.938589][   T34] audit: type=1804 audit(1608627710.290:708): pid=17791 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/208/file0" dev="sda1" ino=16130 res=1 errno=0
09:01:50 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  488.077924][T17797] batman_adv: Cannot find parent device
[  488.092377][T17792] batman_adv: Cannot find parent device
[  488.095310][T17794] loop2: detected capacity change from 264192 to 0
[  488.647978][T17809] loop5: detected capacity change from 264192 to 0
09:01:51 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18abd, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:51 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:51 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x0, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:51 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  488.953237][   T34] audit: type=1804 audit(1608627711.300:709): pid=17809 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/248/file1/file0" dev="sda1" ino=15778 res=1 errno=0
09:01:51 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

[  489.107214][T17817] batman_adv: Cannot find parent device
[  489.266865][T17824] batman_adv: Cannot find parent device
[  489.315268][T17826] loop2: detected capacity change from 264192 to 0
09:01:52 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x30000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  489.805102][T17837] loop4: detected capacity change from 264192 to 0
09:01:52 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  490.001695][   T34] audit: type=1804 audit(1608627712.361:710): pid=17826 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/307/file1/file0" dev="loop2" ino=91 res=1 errno=0
[  490.120498][   T34] audit: type=1804 audit(1608627712.481:711): pid=17843 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/186/file1/file0" dev="loop4" ino=92 res=1 errno=0
[  490.151199][T17839] loop3: detected capacity change from 264192 to 0
09:01:52 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  490.245370][T17849] batman_adv: Cannot find parent device
[  490.345349][   T34] audit: type=1804 audit(1608627712.591:712): pid=17844 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/209/file1/file0" dev="sda1" ino=16242 res=1 errno=0
[  490.370328][T17853] batman_adv: Cannot find parent device
09:01:53 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

09:01:53 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x3ffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:53 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x0, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:53 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  490.931714][T17864] loop5: detected capacity change from 264192 to 0
[  491.074638][T17869] batman_adv: Cannot find parent device
[  491.114750][   T34] audit: type=1804 audit(1608627713.411:713): pid=17870 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/249/file1/file0" dev="sda1" ino=15812 res=1 errno=0
09:01:53 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

[  491.208205][T17876] loop4: detected capacity change from 264192 to 0
[  491.208957][T17877] batman_adv: Cannot find parent device
09:01:53 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

[  491.369700][   T34] audit: type=1804 audit(1608627713.731:714): pid=17876 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/187/file1/file0" dev="loop4" ino=93 res=1 errno=0
09:01:53 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:53 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x10000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:53 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x40000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  491.525649][T17886] loop3: detected capacity change from 264192 to 0
[  491.639879][   T34] audit: type=1804 audit(1608627714.001:715): pid=17893 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/210/file1/file0" dev="sda1" ino=15815 res=1 errno=0
[  491.668060][T17892] loop2: detected capacity change from 264192 to 0
[  491.675239][T17897] batman_adv: Cannot find parent device
09:01:54 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe0ffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  491.974423][T17908] batman_adv: Cannot find parent device
[  491.977978][T17907] loop4: detected capacity change from 264192 to 0
09:01:54 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

09:01:54 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x10880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  492.110009][   T34] audit: type=1804 audit(1608627714.471:716): pid=17917 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/188/file1/file0" dev="sda1" ino=16337 res=1 errno=0
[  492.147059][T17918] batman_adv: Cannot find parent device
[  492.225017][T17922] loop5: detected capacity change from 264192 to 0
[  492.355792][T17928] batman_adv: Cannot find parent device
09:01:54 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x0, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:54 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf0ffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:54 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x11880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  492.480887][   T34] audit: type=1804 audit(1608627714.841:717): pid=17922 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/250/file1/file0" dev="loop5" ino=94 res=1 errno=0
09:01:54 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

[  492.629144][T17935] loop2: detected capacity change from 264192 to 0
[  492.837193][   T34] audit: type=1804 audit(1608627715.201:718): pid=17938 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/309/file1/file0" dev="sda1" ino=15687 res=1 errno=0
[  493.006879][T17941] batman_adv: Cannot find parent device
[  493.178221][T17950] loop3: detected capacity change from 264192 to 0
[  493.268271][T17952] loop4: detected capacity change from 264192 to 0
09:01:55 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  493.489637][   T34] audit: type=1804 audit(1608627715.851:719): pid=17950 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/211/file1/file0" dev="loop3" ino=95 res=1 errno=0
09:01:56 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x1000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:56 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)

09:01:56 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

[  494.425197][T17964] batman_adv: Cannot find parent device
09:01:56 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x12000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  494.525369][T17967] loop5: detected capacity change from 264192 to 0
09:01:56 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x2000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  494.765499][T17975] loop2: detected capacity change from 264192 to 0
[  494.862272][T17983] batman_adv: Cannot find parent device
[  494.941315][T17981] batman_adv: Cannot find parent device
[  494.975674][T17989] loop3: detected capacity change from 264192 to 0
[  495.090607][T17999] loop4: detected capacity change from 264192 to 0
[  495.095478][   T34] kauditd_printk_skb: 2 callbacks suppressed
[  495.095492][   T34] audit: type=1804 audit(1608627717.451:722): pid=17975 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/310/file0" dev="sda1" ino=16377 res=1 errno=0
[  495.285021][   T34] audit: type=1804 audit(1608627717.511:723): pid=17999 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/190/file1/file0" dev="loop4" ino=96 res=1 errno=0
09:01:57 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x12880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:57 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x0, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x3000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:57 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:58 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:58 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

[  495.740647][T18010] batman_adv: Cannot find parent device
[  495.740701][   T34] audit: type=1804 audit(1608627718.101:724): pid=18008 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/213/file0" dev="sda1" ino=16374 res=1 errno=0
[  495.814521][T18011] batman_adv: Cannot find parent device
09:01:58 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x13880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  495.970349][T18018] loop5: detected capacity change from 264192 to 0
09:01:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x4000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  496.151818][T18027] loop4: detected capacity change from 264192 to 0
[  496.425913][   T34] audit: type=1804 audit(1608627718.791:725): pid=18033 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/191/file1/file0" dev="sda1" ino=16274 res=1 errno=0
09:01:58 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:59 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:01:59 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

[  496.884544][T18039] batman_adv: Cannot find parent device
[  496.926267][T18042] batman_adv: Cannot find parent device
[  496.964101][T18046] loop3: detected capacity change from 264192 to 0
[  497.042153][T18050] loop2: detected capacity change from 264192 to 0
09:01:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x5000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:01:59 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x14020000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  497.286270][   T34] audit: type=1804 audit(1608627719.651:726): pid=18050 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/311/file1/file0" dev="loop2" ino=97 res=1 errno=0
09:01:59 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  497.431630][T18064] loop5: detected capacity change from 264192 to 0
[  497.586418][T18072] batman_adv: Cannot find parent device
09:02:00 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  497.622659][   T34] audit: type=1804 audit(1608627719.981:727): pid=18076 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/192/file0" dev="sda1" ino=16371 res=1 errno=0
[  497.669049][T18062] loop4: detected capacity change from 264192 to 0
[  497.885422][   T34] audit: type=1804 audit(1608627720.251:728): pid=18071 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/253/file0" dev="sda1" ino=16373 res=1 errno=0
09:02:01 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  498.646298][T18083] loop3: detected capacity change from 264192 to 0
[  498.714646][T18085] batman_adv: Cannot find parent device
[  498.904669][T18086] batman_adv: Cannot find parent device
09:02:01 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:01 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:01 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x14880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:01 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:01 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  499.204463][T18098] loop4: detected capacity change from 264192 to 0
[  499.236611][T18103] batman_adv: Cannot find parent device
09:02:01 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x15880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  499.286472][   T34] audit: type=1804 audit(1608627721.651:729): pid=18108 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/193/file1/file0" dev="sda1" ino=16371 res=1 errno=0
[  499.741505][T18115] batman_adv: Cannot find parent device
[  499.799980][T18118] batman_adv: Cannot find parent device
[  499.821116][T18119] loop5: detected capacity change from 264192 to 0
[  499.971692][T18121] loop2: detected capacity change from 264192 to 0
09:02:02 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:02 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x16880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  500.143900][   T34] audit: type=1804 audit(1608627722.511:730): pid=18119 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/254/file1/file0" dev="sda1" ino=16372 res=1 errno=0
09:02:02 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  500.215439][T18128] loop3: detected capacity change from 264192 to 0
[  500.369089][   T34] audit: type=1804 audit(1608627722.651:731): pid=18128 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/216/file1/file0" dev="sda1" ino=15747 res=1 errno=0
[  500.537794][   T34] audit: type=1804 audit(1608627722.891:732): pid=18121 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir728531880/syzkaller.D7M46Z/312/file1/file0" dev="loop2" ino=98 res=1 errno=0
09:02:04 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  502.265917][T18143] loop4: detected capacity change from 264192 to 0
[  502.452083][T18142] batman_adv: Cannot find parent device
[  502.523098][T18146] batman_adv: Cannot find parent device
[  502.524920][   T34] audit: type=1804 audit(1608627724.891:733): pid=18143 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/194/file1/file0" dev="loop4" ino=99 res=1 errno=0
09:02:05 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:05 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x17880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:05 executing program 2:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:05 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  502.881041][T18158] loop3: detected capacity change from 264192 to 0
09:02:05 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  503.025960][   T34] audit: type=1804 audit(1608627725.381:734): pid=18160 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/217/file1/file0" dev="sda1" ino=16366 res=1 errno=0
[  503.229572][T18172] loop5: detected capacity change from 264192 to 0
[  503.289021][T18173] batman_adv: Cannot find parent device
[  503.360832][T18175] batman_adv: Cannot find parent device
[  503.418181][T18180] loop4: detected capacity change from 264192 to 0
[  503.567798][   T34] audit: type=1804 audit(1608627725.931:735): pid=18172 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir179462736/syzkaller.sXnY7Y/255/file1/file0" dev="sda1" ino=16378 res=1 errno=0
[  503.623512][   T34] audit: type=1804 audit(1608627725.971:736): pid=18180 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/195/file1/file0" dev="sda1" ino=16384 res=1 errno=0
[  503.660537][T18190] loop2: detected capacity change from 264192 to 0
09:02:06 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:06 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x17b75ec0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:06 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:06 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(0xffffffffffffffff, r1, 0x0, 0x1c500)

[  504.335818][T18199] batman_adv: Cannot find parent device
[  504.545330][T18206] loop4: detected capacity change from 264192 to 0
09:02:07 executing program 2:
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000300)='ns/user\x00')

[  504.646813][T18213] loop3: detected capacity change from 264192 to 0
[  504.655478][T18208] batman_adv: Cannot find parent device
09:02:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:07 executing program 5:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  504.849538][T18224] batman_adv: Cannot find parent device
09:02:07 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x18880100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:07 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(0xffffffffffffffff, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:07 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(0xffffffffffffffff, r1, 0x0, 0x1c500)

09:02:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:07 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_inet_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000001440))

[  505.211160][T18237] batman_adv: Cannot find parent device
[  505.230764][T18236] loop5: detected capacity change from 264192 to 0
[  505.303319][T18244] batman_adv: Cannot find parent device
[  505.360655][   T34] audit: type=1804 audit(1608627727.721:737): pid=18252 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/197/file0" dev="sda1" ino=16375 res=1 errno=0
[  505.408040][T18248] loop3: detected capacity change from 264192 to 0
[  505.516032][T18239] loop4: detected capacity change from 264192 to 0
09:02:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x20000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:08 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:08 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(0xffffffffffffffff, r1, 0x0, 0x1c500)

09:02:08 executing program 5:
r0 = syz_open_dev$vim2m(&(0x7f0000000040)='/dev/video#\x00', 0x0, 0x2)
ioctl$vim2m_VIDIOC_QUERYBUF(r0, 0xc0585609, &(0x7f0000000080)={0x0, 0x6, 0x4, 0x0, 0x0, {0x77359400}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "b55ff78e"}, 0x0, 0x0, @fd})

09:02:08 executing program 2:
recvmsg$can_bcm(0xffffffffffffffff, 0x0, 0xbbe4c0c6cfbf3a6c)

[  505.897204][T18269] batman_adv: Cannot find parent device
[  505.942676][T18270] batman_adv: Cannot find parent device
09:02:08 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x10000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x28020000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  506.094494][T18284] loop3: detected capacity change from 264192 to 0
09:02:08 executing program 2:
syz_mount_image$xfs(&(0x7f0000000000)='xfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000002180), 0x0, &(0x7f0000002200)={[{@pqnoenforce='pqnoenforce'}, {@logbufs={'logbufs'}}, {@nogrpid='nogrpid'}, {@dax='dax'}]})

[  506.221544][   T34] audit: type=1804 audit(1608627728.581:738): pid=18292 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/220/file1/file0" dev="sda1" ino=16378 res=1 errno=0
[  506.254865][T18297] batman_adv: Cannot find parent device
09:02:08 executing program 5:
r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000004800)='/dev/snd/timer\x00', 0x0)
ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r0, 0xc0505405, &(0x7f0000000000))

[  506.321266][T18302] batman_adv: Cannot find parent device
[  506.334956][T18295] loop4: detected capacity change from 264192 to 0
[  506.426496][   T34] audit: type=1804 audit(1608627728.791:739): pid=18311 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/198/file1/file0" dev="sda1" ino=15827 res=1 errno=0
09:02:08 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

[  506.575234][T18294] XFS (loop2): Invalid superblock magic number
09:02:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x31000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:09 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x12000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:09 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  506.742172][T18321] batman_adv: Cannot find parent device
09:02:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x3f000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  506.858875][T18332] loop3: detected capacity change from 264192 to 0
09:02:09 executing program 5:
syz_mount_image$xfs(&(0x7f0000000080)='xfs\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x100008, &(0x7f0000000340)={[{@sysvgroups='sysvgroups'}]})
rmdir(&(0x7f0000000040)='./file0\x00')

[  506.997314][   T34] audit: type=1804 audit(1608627729.361:740): pid=18332 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/221/file1/file0" dev="sda1" ino=16365 res=1 errno=0
[  507.015543][T18339] batman_adv: Cannot find parent device
[  507.079589][T18346] batman_adv: Cannot find parent device
[  507.097039][T18345] loop4: detected capacity change from 264192 to 0
09:02:09 executing program 2:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000001c40)='/dev/null\x00', 0x0, 0x0)
fcntl$lock(r0, 0x8, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x100000001})
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={<r1=>0xffffffffffffffff})
close(r1)

09:02:09 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

09:02:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x40000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  507.255142][   T34] audit: type=1804 audit(1608627729.621:741): pid=18353 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/199/file1/file0" dev="sda1" ino=16358 res=1 errno=0
09:02:09 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x1f000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:09 executing program 5:
mlock(&(0x7f0000fed000/0x13000)=nil, 0x13000)
munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000)

[  507.477193][T18365] loop3: detected capacity change from 264192 to 0
09:02:09 executing program 2:
mknodat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x1000, 0x0)
unlink(&(0x7f0000000040)='./file0\x00')

[  507.550608][T18367] batman_adv: Cannot find parent device
[  507.602865][   T34] audit: type=1804 audit(1608627729.961:742): pid=18365 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/222/file1/file0" dev="sda1" ino=16382 res=1 errno=0
[  507.664752][T18375] batman_adv: Cannot find parent device
09:02:10 executing program 5:
syz_emit_ethernet(0x4e, &(0x7f0000000040)={@local, @empty, @val, {@ipv6}}, 0x0)

09:02:10 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x48000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:10 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:10 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x20000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:10 executing program 5:
syz_emit_ethernet(0x36, &(0x7f0000000100)={@broadcast, @random="a9a3b6b57fab", @val, {@ipv6}}, 0x0)

09:02:10 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r1, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r1, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

09:02:10 executing program 2:
syz_emit_ethernet(0x46, &(0x7f00000001c0)={@broadcast, @empty, @val, {@ipv6}}, 0x0)

[  507.946364][T18387] batman_adv: Cannot find parent device
[  507.976211][T18389] batman_adv: Cannot find parent device
[  508.050803][T18401] loop3: detected capacity change from 264192 to 0
[  508.189527][   T34] audit: type=1804 audit(1608627730.551:743): pid=18406 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/223/file1/file0" dev="sda1" ino=16381 res=1 errno=0
[  508.197417][T18407] loop4: detected capacity change from 264192 to 0
09:02:10 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x4a000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:10 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x28020000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:10 executing program 5:
r0 = open(&(0x7f0000000000)='./file0\x00', 0x202, 0x0)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x10, r0, 0x0)
ftruncate(r0, 0x0)

[  508.392166][   T34] audit: type=1804 audit(1608627730.762:744): pid=18410 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/200/file1/file0" dev="sda1" ino=16373 res=1 errno=0
09:02:10 executing program 2:
mlock(&(0x7f0000ff7000/0x1000)=nil, 0x1000)
openat$null(0xffffffffffffff9c, &(0x7f0000001c40)='/dev/null\x00', 0x0, 0x0)
munmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000)
munmap(&(0x7f0000ff3000/0xd000)=nil, 0xd000)

09:02:10 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x0)

[  508.605525][T18415] batman_adv: Cannot find parent device
[  508.728042][T18421] batman_adv: Cannot find parent device
09:02:11 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x4c000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:11 executing program 2:
r0 = socket$inet(0x2, 0x1, 0x0)
sendmsg$unix(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0), 0xfffffffffffffd5f}, 0x0)

[  508.973900][T18431] loop3: detected capacity change from 264192 to 0
09:02:11 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x3f000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:11 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:11 executing program 5:
open(&(0x7f0000000000)='./file0\x00', 0x20268, 0x0)
readlinkat(0xffffffffffffff9c, &(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0)

[  509.129289][   T34] audit: type=1804 audit(1608627731.492:745): pid=18431 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/224/file1/file0" dev="loop3" ino=100 res=1 errno=0
09:02:11 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x0)

[  509.297266][T18441] batman_adv: Cannot find parent device
[  509.315195][T18447] loop4: detected capacity change from 264192 to 0
[  509.339063][T18446] batman_adv: Cannot find parent device
09:02:11 executing program 2:
syz_emit_ethernet(0x2e, &(0x7f0000000000)={@local, @empty, @val, {@ipv4}}, 0x0)

[  509.434281][   T34] audit: type=1804 audit(1608627731.802:746): pid=18456 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/201/file1/file0" dev="sda1" ino=15687 res=1 errno=0
09:02:11 executing program 5:
mkdir(&(0x7f0000000040)='./file0\x00', 0x1db)
mkdir(&(0x7f0000000080)='./file0/file0\x00', 0x0)
rmdir(&(0x7f00000000c0)='./file0/file0\x00')

09:02:11 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x53010000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:12 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x40000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  509.602398][T18459] loop3: detected capacity change from 264192 to 0
09:02:12 executing program 3:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, &(0x7f0000000040)={0x0, 0x4, 0x0, {0x2, @vbi={0x0, 0x0, 0x0, 0x0, [0x0, 0x3ff]}}})
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x0)

09:02:12 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:12 executing program 2:
syz_emit_ethernet(0x3a, &(0x7f0000000280)={@random="fddbc208c48e", @random, @val, {@ipv4}}, 0x0)

09:02:12 executing program 5:
mkdir(&(0x7f0000000040)='./file0\x00', 0x1db)
mkdir(&(0x7f0000000080)='./file0/file0\x00', 0x0)
rmdir(&(0x7f00000000c0)='./file0/file0\x00')

[  510.136848][T18471] batman_adv: Cannot find parent device
[  510.153558][T18472] batman_adv: Cannot find parent device
09:02:12 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x48000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:12 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x59030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:12 executing program 2:
mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x4, 0x1411, 0xffffffffffffffff, 0x0)

[  510.330210][T18484] loop3: detected capacity change from 264192 to 0
[  510.395855][T18490] loop4: detected capacity change from 264192 to 0
[  510.599592][   T34] kauditd_printk_skb: 1 callbacks suppressed
[  510.599610][   T34] audit: type=1804 audit(1608627732.962:748): pid=18484 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/226/file0" dev="sda1" ino=16376 res=1 errno=0
[  510.740000][T18494] batman_adv: Cannot find parent device
[  510.746739][   T34] audit: type=1804 audit(1608627733.062:749): pid=18499 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/202/file0" dev="sda1" ino=16381 res=1 errno=0
[  510.833691][T18503] batman_adv: Cannot find parent device
09:02:13 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:13 executing program 5:
mkdir(&(0x7f0000000040)='./file0\x00', 0x1db)
mkdir(&(0x7f0000000080)='./file0/file0\x00', 0x0)
rmdir(&(0x7f00000000c0)='./file0/file0\x00')

09:02:13 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x60000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:13 executing program 2:
syz_emit_ethernet(0x40, &(0x7f0000000100)={@broadcast, @random="a9a3b6b57fab", @val, {@ipv6}}, 0x0)

09:02:13 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x4a000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:13 executing program 3:
open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0)
open(&(0x7f0000000100)='./file1\x00', 0x0, 0x0)
open$dir(&(0x7f0000000040)='./file0\x00', 0x200, 0x0)

[  511.464734][T18523] loop4: detected capacity change from 264192 to 0
[  511.465239][T18521] batman_adv: Cannot find parent device
[  511.513996][T18525] batman_adv: Cannot find parent device
09:02:13 executing program 3:
syz_emit_ethernet(0x32, &(0x7f0000000180)={@local, @random="a77382fbc3e5", @val, {@ipv4}}, 0x0)

09:02:13 executing program 2:
mkdir(&(0x7f00000001c0)='./file0\x00', 0x140)
r0 = open$dir(&(0x7f0000000040)='./file0\x00', 0x0, 0x0)
fchdir(r0)

[  511.782670][   T34] audit: type=1804 audit(1608627734.152:750): pid=18539 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/203/file0" dev="sda1" ino=15769 res=1 errno=0
09:02:14 executing program 5:
mkdir(&(0x7f0000000040)='./file0\x00', 0x1db)
mkdir(&(0x7f0000000080)='./file0/file0\x00', 0x0)
rmdir(&(0x7f00000000c0)='./file0/file0\x00')

09:02:14 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x4c000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:14 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x65580000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:14 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:14 executing program 3:
r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
getsockopt$ARPT_SO_GET_ENTRIES(r0, 0x0, 0x17, 0x0, &(0x7f0000000240))

09:02:14 executing program 2:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
recvmmsg(r0, &(0x7f0000000e80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x123, 0x0)

09:02:14 executing program 3:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendto$inet6(r0, &(0x7f0000000100)="81", 0x1, 0x0, &(0x7f00000001c0)={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}, 0x1c)

[  512.149402][T18554] batman_adv: Cannot find parent device
[  512.170965][T18555] batman_adv: Cannot find parent device
[  512.248325][T18563] loop4: detected capacity change from 264192 to 0
09:02:14 executing program 5:
r0 = socket$packet(0x11, 0x2, 0x300)
ioctl$sock_SIOCETHTOOL(r0, 0x8913, &(0x7f0000001180)={'ip6gre0\x00', 0x0})

09:02:14 executing program 2:
r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
getsockopt$ARPT_SO_GET_ENTRIES(r0, 0x0, 0x21, 0x0, &(0x7f0000000240))

09:02:14 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x68000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:14 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x5d010000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  512.387015][   T34] audit: type=1804 audit(1608627734.752:751): pid=18568 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/204/file1/file0" dev="sda1" ino=16367 res=1 errno=0
[  512.606868][T18577] batman_adv: Cannot find parent device
[  512.636924][T18579] batman_adv: Cannot find parent device
09:02:15 executing program 5:
r0 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x0, 0x0, 0x0, 0xba9}, 0x10)

09:02:15 executing program 2:
bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x3, 0x0, 0x1}, 0x40)

09:02:15 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6c000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:15 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x60000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:15 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:15 executing program 5:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001440)={0x0, 0x0, 0x0}, 0x2000)

[  513.082428][T18594] batman_adv: Cannot find parent device
[  513.117993][T18595] batman_adv: Cannot find parent device
09:02:15 executing program 2:
r0 = socket$packet(0x11, 0x2, 0x300)
ioctl$sock_SIOCETHTOOL(r0, 0x8914, &(0x7f0000001180)={'ip6gre0\x00', 0x0})

[  513.254196][T18606] loop4: detected capacity change from 264192 to 0
09:02:15 executing program 3:
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
setsockopt$inet6_opts(r0, 0x29, 0x39, &(0x7f0000000000)=@srh={0x0, 0x0, 0x4, 0x0, 0x5}, 0x8)

09:02:15 executing program 5:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
recvmmsg(r0, &(0x7f0000000e80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)

09:02:15 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x65580000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:15 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x74000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  513.423551][   T34] audit: type=1804 audit(1608627735.792:752): pid=18606 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/205/file1/file0" dev="sda1" ino=16367 res=1 errno=0
09:02:16 executing program 3:
r0 = socket$packet(0x11, 0x2, 0x300)
getsockopt$packet_buf(r0, 0x107, 0xf, 0x0, &(0x7f0000000200))

09:02:16 executing program 5:
bpf$MAP_CREATE(0x8, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x40)

09:02:16 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(r2, 0x0, 0x0, 0x10)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:16 executing program 3:
r0 = socket$inet6_dccp(0xa, 0x6, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, 0x0, 0x0)

09:02:16 executing program 5:
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000000100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(aes)\x00'}, 0x58)

09:02:16 executing program 3:
r0 = socket$packet(0x11, 0x2, 0x300)
ioctl$sock_SIOCETHTOOL(r0, 0x891e, &(0x7f0000001180)={'ip6gre0\x00', 0x0})

[  514.222853][T18632] loop4: detected capacity change from 264192 to 0
[  514.368905][T18620] batman_adv: Cannot find parent device
[  514.399697][   T34] audit: type=1804 audit(1608627736.762:753): pid=18632 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/206/file1/file0" dev="sda1" ino=16384 res=1 errno=0
[  514.427063][T18621] batman_adv: Cannot find parent device
09:02:17 executing program 3:
bpf$MAP_CREATE(0x11, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x40)

09:02:17 executing program 2:
socketpair(0x1, 0x5, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)

09:02:17 executing program 5:
r0 = socket$inet6_dccp(0xa, 0x6, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000080)=@filter={'filter\x00', 0xe, 0x4, 0x430, 0xffffffff, 0x0, 0xd0, 0x218, 0xffffffff, 0xffffffff, 0x360, 0x360, 0x360, 0xffffffff, 0x4, 0x0, {[{{@uncond, 0x0, 0xa8, 0xd0}, @common=@inet=@TCPMSS={0x28, 'TCPMSS\x00'}}, {{@ipv6={@ipv4, @dev, [], [], 'geneve1\x00', 'bridge_slave_1\x00'}, 0x0, 0x120, 0x148, 0x0, {}, [@common=@ah={{0x30, 'ah\x00'}}, @common=@dst={{0x48, 'dst\x00'}, {0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}}]}, @REJECT={0x28, 'REJECT\x00'}}, {{@uncond, 0x0, 0x120, 0x148, 0x0, {}, [@common=@unspec=@ipvs={{0x48, 'ipvs\x00'}, {@ipv4=@loopback}}, @common=@srh={{0x30, 'srh\x00'}}]}, @common=@unspec=@NFQUEUE1={0x28, 'NFQUEUE\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x490)

09:02:17 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x68000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:17 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x78000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:17 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:17 executing program 3:
r0 = socket$netlink(0x10, 0x3, 0xb)
r1 = fcntl$dupfd(r0, 0x0, r0)
sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0)

[  515.289904][T18664] x_tables: duplicate underflow at hook 2
[  515.318831][T18668] batman_adv: Cannot find parent device
09:02:17 executing program 3:
socketpair(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
dup(r0)

[  515.352634][T18670] batman_adv: Cannot find parent device
[  515.379235][T18679] loop4: detected capacity change from 264192 to 0
09:02:17 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)
sendmsg$GTP_CMD_NEWPDP(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)

09:02:17 executing program 3:
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='gid_map\x00')
r1 = fcntl$dupfd(r0, 0x0, r0)
preadv(r1, 0x0, 0x0, 0x0, 0x0)

09:02:17 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6c000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:17 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$TIPC_NL_MON_GET(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x840)

[  515.527787][   T34] audit: type=1804 audit(1608627737.893:754): pid=18679 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/207/file1/file0" dev="loop4" ino=101 res=1 errno=0
09:02:18 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7a000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  515.882018][T18691] batman_adv: Cannot find parent device
09:02:18 executing program 2:
r0 = socket$netlink(0x10, 0x3, 0xb)
sendmsg$SMC_PNETID_ADD(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0)

[  515.982502][T18697] batman_adv: Cannot find parent device
09:02:18 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6c8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:18 executing program 3:
pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
write$P9_RWSTAT(r0, &(0x7f0000000000)={0x7}, 0xfffffe30)
write$P9_RVERSION(r0, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x0, 0x8, '9P2000.L'}, 0x15)

09:02:18 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$TIPC_NL_KEY_SET(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x24044004)

09:02:18 executing program 5:
socketpair(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)

09:02:18 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x81000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  516.290258][T18709] batman_adv: Cannot find parent device
09:02:18 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NL80211_CMD_GET_WOWLAN(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x4c810)

09:02:18 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:18 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6d8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  516.423454][T18720] batman_adv: Cannot find parent device
09:02:18 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000001500)='/dev/vcs\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0)

09:02:18 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x88a8ffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:18 executing program 5:
sendmsg$TIPC_NL_BEARER_DISABLE(0xffffffffffffffff, 0x0, 0xb058fe34fb50386f)

[  516.556113][T18728] batman_adv: Cannot find parent device
[  516.558292][T18729] loop4: detected capacity change from 264192 to 0
09:02:19 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6e8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  516.772184][   T34] audit: type=1804 audit(1608627739.143:755): pid=18740 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/208/file1/file0" dev="sda1" ino=16384 res=1 errno=0
09:02:19 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40080)

[  516.873296][T18742] batman_adv: Cannot find parent device
[  516.989977][T18750] batman_adv: Cannot find parent device
09:02:19 executing program 3:
r0 = socket(0x10, 0x2, 0x0)
sendmsg$NET_DM_CMD_STOP(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0)

09:02:19 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000001500)='/dev/vcs\x00', 0x0, 0x0)
r2 = dup3(r0, r1, 0x0)
write$tun(r2, &(0x7f0000000100)=ANY=[], 0xc9)

09:02:19 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:19 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x89600000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:19 executing program 5:
socketpair(0x1, 0x5, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$MPTCP_PM_CMD_GET_ADDR(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)
r2 = dup3(r0, r1, 0x0)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)

09:02:19 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x6f8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  517.207411][T18761] batman_adv: Cannot find parent device
[  517.222425][T18765] loop4: detected capacity change from 264192 to 0
09:02:19 executing program 5:
socketpair(0x1, 0x5, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff})
sendmsg$TIPC_NL_NET_GET(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0)

[  517.295532][T18762] batman_adv: Cannot find parent device
[  517.368776][   T34] audit: type=1804 audit(1608627739.733:756): pid=18778 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/209/file1/file0" dev="sda1" ino=15826 res=1 errno=0
09:02:19 executing program 2:
add_key$user(&(0x7f00000023c0)='user\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffd)
add_key$fscrypt_v1(&(0x7f0000002780)='logon\x00', &(0x7f0000000000)={'fscrypt:', @desc4='85baa174f0cb1142'}, &(0x7f0000000080)={0x0, "f4feb9db52dd7e270a5cf9df93ba62c6c7c877f71194cd701e39a4a54dbd114e63a38691266b476d480d80894db5b4c54088a620cd25a611482e819cda04927e"}, 0x48, 0xffffffffffffffff)

09:02:19 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x708a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:19 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8c020000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:19 executing program 3:
socketpair(0xf, 0x3, 0x0, 0x0)

09:02:20 executing program 5:
r0 = socket$packet(0x11, 0x3, 0x300)
recvmsg(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x10102)

09:02:20 executing program 2:
r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000280)='/dev/nvram\x00', 0x2101, 0x0)
write$FUSE_POLL(r0, &(0x7f0000002300)={0x18}, 0x18)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0)
r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2)
ioctl$LOOP_CTL_ADD(r0, 0x4c80, r2)
openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0xc000, 0x0)
ioctl$F2FS_IOC_PRECACHE_EXTENTS(0xffffffffffffffff, 0xf50f, 0x0)

[  517.853856][T18789] batman_adv: Cannot find parent device
[  517.893627][T18790] batman_adv: Cannot find parent device
09:02:20 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9effffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:20 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:20 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x718a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:20 executing program 3:
r0 = add_key$fscrypt_v1(&(0x7f0000002780)='logon\x00', &(0x7f00000027c0)={'fscrypt:', @desc4='85baa174f0cb1142'}, &(0x7f0000002800)={0x0, "f4feb9db52dd7e270a5cf9df93ba62c6c7c877f71194cd701e39a4a54dbd114e63a38691266b476d480d80894db5b4c54088a620cd25a611482e819cda04927e"}, 0x48, 0xffffffffffffffff)
keyctl$unlink(0x9, r0, 0xfffffffffffffffb)

09:02:20 executing program 5:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000002540)='/proc/tty/ldiscs\x00', 0x0, 0x0)
read$FUSE(r0, &(0x7f0000000000)={0x2020}, 0x2020)

[  518.110936][T18804] batman_adv: Cannot find parent device
09:02:20 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x728a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  518.201570][T18811] batman_adv: Cannot find parent device
09:02:20 executing program 3:
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/snmp\x00')
close(r0)

09:02:20 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa5010000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  518.322038][T18820] loop4: detected capacity change from 264192 to 0
09:02:20 executing program 2:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)

[  518.472291][   T34] audit: type=1804 audit(1608627740.833:757): pid=18833 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/210/file1/file0" dev="sda1" ino=16289 res=1 errno=0
[  518.569338][T18834] batman_adv: Cannot find parent device
09:02:21 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x738a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:21 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:21 executing program 5:
socketpair(0x1, 0x0, 0x799, 0x0)

[  518.638804][   T34] audit: type=1804 audit(1608627740.893:758): pid=18830 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/210/file1/file0" dev="sda1" ino=16289 res=1 errno=0
09:02:21 executing program 3:
r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0\x00', 0x0, 0x0)
r1 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
write$P9_RSTATFS(r1, 0x0, 0x0)
getegid()
read$FUSE(0xffffffffffffffff, 0x0, 0x0)
read$FUSE(r0, &(0x7f00000041c0)={0x2020}, 0x2020)
add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff8)
ioctl$RTC_ALM_READ(r0, 0x80247008, 0x0)

09:02:21 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc05eb717, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  518.905708][T18852] batman_adv: Cannot find parent device
[  518.939794][T18853] loop4: detected capacity change from 264192 to 0
09:02:21 executing program 2:
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/igmp6\x00')
close(r0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001480))
sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x1)

09:02:21 executing program 5:
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002100)='/dev/fuse\x00', 0x2, 0x0)
read$FUSE(r0, &(0x7f0000000000)={0x2020}, 0xffffffffffffffb2)

[  519.096098][   T34] audit: type=1804 audit(1608627741.463:759): pid=18853 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/211/file1/file0" dev="sda1" ino=16380 res=1 errno=0
[  519.241361][T18864] batman_adv: Cannot find parent device
09:02:21 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc7870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:21 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x74000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:21 executing program 5:
syz_emit_ethernet(0x2a, &(0x7f0000000040)={@broadcast, @random="43288674bd4e", @void, {@ipv4={0x800, @igmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @loopback, @multicast1}, {0x0, 0x0, 0x0, @local}}}}}, 0x0)

09:02:22 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0)
pread64(r2, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(r2, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r3 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r3, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  519.654005][T18877] batman_adv: Cannot find parent device
09:02:22 executing program 2:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
recvmmsg(r0, 0x0, 0x0, 0x0, &(0x7f0000000000))

09:02:22 executing program 5:
bpf$OBJ_GET_PROG(0x7, &(0x7f0000000100)={0x0, 0x0, 0x10}, 0x10)

[  519.741451][T18878] batman_adv: Cannot find parent device
09:02:22 executing program 3:
r0 = socket$packet(0x11, 0x3, 0x300)
r1 = dup2(r0, r0)
ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200)
r2 = socket(0x11, 0x800000003, 0x0)
bind(r2, &(0x7f0000000180)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80)
getsockname$packet(r2, &(0x7f0000000240)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14)
r4 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3700000024000b0f00"/20, @ANYRES32=r3, @ANYBLOB="00000000f1ff000000000000070001006671000004000500060005"], 0x38}}, 0x0)

09:02:22 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc8870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:22 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x748a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:22 executing program 2:
perf_event_open$cgroup(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 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={0x0}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xc)

[  519.962287][T18893] loop4: detected capacity change from 264192 to 0
09:02:22 executing program 5:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/zoneinfo\x00', 0x0, 0x0)
setns(r0, 0x0)

[  520.070871][   T34] audit: type=1804 audit(1608627742.443:760): pid=18903 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/212/file1/file0" dev="sda1" ino=15842 res=1 errno=0
[  520.185940][T18905] batman_adv: Cannot find parent device
[  520.243361][T18907] batman_adv: Cannot find parent device
09:02:22 executing program 3:
openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/tty/ldiscs\x00', 0x0, 0x0)

09:02:22 executing program 5:
r0 = getpgid(0x0)
sched_getaffinity(r0, 0x8, &(0x7f0000000040))

09:02:22 executing program 2:
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000240)='attr/fscreate\x00')
read$FUSE(r0, 0x0, 0x0)

09:02:22 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x758a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:23 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:23 executing program 3:
syz_emit_ethernet(0x26, &(0x7f0000001100)={@broadcast, @remote, @val={@void}, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @local}}}}}, 0x0)

09:02:23 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc9870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  520.836619][T18926] batman_adv: Cannot find parent device
09:02:23 executing program 5:
prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='//selinux\x00\x00\x01\x10')
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
fchdir(r0)
write$binfmt_elf64(0xffffffffffffffff, 0x0, 0xffdbc4c3)
r1 = open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0)
open(0x0, 0x0, 0x0)
open(0x0, 0x0, 0x0)
mkdirat(0xffffffffffffffff, 0x0, 0x0)
lseek(r1, 0x0, 0x4)

09:02:23 executing program 2:
prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='//selinux\x00\x00\x01\x10')
perf_event_open(&(0x7f0000000040)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x8}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)

[  520.931399][T18933] batman_adv: Cannot find parent device
09:02:23 executing program 3:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
recvmmsg(r0, &(0x7f0000003700)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8001, 0x0)

09:02:23 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xca870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:23 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x768a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:23 executing program 2:
syz_emit_ethernet(0x2a, &(0x7f0000000100)={@local, @remote, @void, {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x1, @broadcast, @local, @multicast, @local}}}}, 0x0)

[  521.128556][T18945] loop4: detected capacity change from 264192 to 0
[  521.222816][T18953] batman_adv: Cannot find parent device
09:02:23 executing program 5:
r0 = syz_open_procfs(0x0, &(0x7f0000000080)='projid_map\x00')
read$FUSE(r0, 0x0, 0x0)

[  521.253250][   T34] audit: type=1804 audit(1608627743.623:761): pid=18945 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/213/file1/file0" dev="sda1" ino=16133 res=1 errno=0
[  521.274510][T18959] batman_adv: Cannot find parent device
09:02:23 executing program 3:
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fuse\x00', 0x2, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/rt_cache\x00')
sendfile(r0, r1, &(0x7f0000000000)=0x8004006, 0x4f6)
setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000300)='tls\x00', 0x4)
syz_open_procfs(0x0, &(0x7f0000000200)='wchan\x00')
r2 = syz_open_procfs(0x0, &(0x7f0000000080)='fd\x00')
fchdir(r2)
r3 = memfd_create(&(0x7f0000000140)='\x00\xc2\xea\x99\xbb\x1c\xf8jw\x97\x05\xa3\xa2\'\xdd\xe4q\xbf\t\x8c\xe0Y\xe5\xbcJ6\xfc\xa8\xcdj\xc1F\x02\x93\xca`\x8e\x00\x00\x00\x00\x00\x00\x00\x00\x00\b \xff\x13\x96\xe3?\xdfH\x8c\xe4V\xe2\xfe\v8\x04\xa5\xb9\xc4:\xf3\xf6y_w\xd8\xcf\x90k\x05\x00\xf9\x1e\xe8m\xec\x12\xa015\xc2\xb3u|K\x111\xd4\f8\xeb\x18\xfa\xbf\xf3x\x86\xc2\xa3\t\x008\xb6XA]\xdc\xad\xbb!1\x85\x96P\x1b\x92\x01\xe6\xae\xb1\xecB)\xe5\xaa7\xfe\xdd,R\x96X\x1ae', 0x0)
write(r3, &(0x7f00000000c0)="6963e64243ea486da3a74e3deec6fc5bb9650b5de56946c568f95d22467190ba406d59a5958d6f156c9c8a2ac4677b00000000000000000000200000f8bf54da33", 0x41)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x11, r3, 0x0)
inotify_add_watch(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0xc40001e1)
r4 = inotify_init1(0x0)
inotify_add_watch(r4, &(0x7f0000000040)='./control\x00', 0xa4000972)
r5 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
r6 = dup(r5)
ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200)
creat(&(0x7f0000000040)='./file0\x00', 0x0)

09:02:23 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x778a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  521.761086][T18972] batman_adv: Cannot find parent device
09:02:24 executing program 2:
add_key$fscrypt_v1(&(0x7f0000000000)='logon\x00', &(0x7f0000000040)={'fscrypt:', @auto=[0x0, 0x61, 0x32]}, &(0x7f0000000080)={0x0, "17809eecfde3d8c01f2ae91678915f79ddc47c7718566a24bac63cc089d4fa24f3a151a15a578811ec02148943ab6b41027ea46e6ba4432ae517cd5a3e7c12f3"}, 0x48, 0xfffffffffffffffc)

09:02:24 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xcb870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:24 executing program 5:
r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/netlink\x00')
read$FUSE(r0, 0x0, 0x0)

09:02:24 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:24 executing program 5:
r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/tcp\x00')
read$FUSE(r0, 0x0, 0x0)

09:02:24 executing program 3:
clone(0x3a3dd4008400a701, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff)
r0 = socket$inet(0x2, 0x2000000080002, 0x0)
setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000001c0)=@broute={'broute\x00', 0x20, 0x2, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000100], 0x2, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000000080000000000000000000000ffffffff0000000000000000000000000000000000000000000000000000000000000000000001040000000000000000fae6ddfabd5bb3fd00000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff00000000"]}, 0x108)

09:02:24 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x78000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  522.036830][T18984] batman_adv: Cannot find parent device
09:02:24 executing program 2:
perf_event_open$cgroup(&(0x7f0000000040)={0x2, 0x70, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)

09:02:24 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xcc870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  522.195429][T18997] loop4: detected capacity change from 264192 to 0
09:02:24 executing program 3:
r0 = socket$inet(0x2, 0xa, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000040))

[  522.253703][T18998] batman_adv: Cannot find parent device
09:02:24 executing program 5:
r0 = add_key$fscrypt_v1(&(0x7f0000002780)='logon\x00', &(0x7f00000027c0)={'fscrypt:', @desc4='85baa174f0cb1142'}, &(0x7f0000002800)={0x0, "f4feb9db52dd7e270a5cf9df93ba62c6c7c877f71194cd701e39a4a54dbd114e63a38691266b476d480d80894db5b4c54088a620cd25a611482e819cda04927e"}, 0x48, 0xffffffffffffffff)
keyctl$unlink(0x9, 0x0, r0)

[  522.327358][   T34] audit: type=1804 audit(1608627744.693:762): pid=18997 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/214/file1/file0" dev="loop4" ino=102 res=1 errno=0
09:02:24 executing program 2:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/stat\x00', 0x0, 0x0)
read$FUSE(r0, 0x0, 0x0)

09:02:24 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x788a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  522.513727][T19012] syz-executor.3 uses obsolete (PF_INET,SOCK_PACKET)
[  522.545459][T19011] batman_adv: Cannot find parent device
09:02:25 executing program 3:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
sendto$inet(r0, &(0x7f0000000100)='1', 0x1, 0x181, &(0x7f00000001c0)={0x10, 0x2}, 0x10)
sendto$inet(r0, &(0x7f0000000200)='9', 0x1, 0x0, 0x0, 0x0)

09:02:25 executing program 5:
r0 = socket(0x2, 0x1, 0x84)
getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f00000001c0), &(0x7f0000000200)=0xc)

[  522.936390][T19021] batman_adv: Cannot find parent device
09:02:25 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xcd870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:25 executing program 5:
r0 = socket(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000040)=ANY=[@ANYBLOB="1c1c4e220000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000047b2c48825ae9536c5ed00c0cdbd"], 0x98)

09:02:25 executing program 3:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
setsockopt$inet_mreq(r0, 0x0, 0xc, &(0x7f0000000140)={@multicast1, @local={0xac, 0x14, 0x0}}, 0x8)

09:02:25 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:25 executing program 2:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x28, &(0x7f0000000140)={0x1, [0x0]}, &(0x7f0000000080)=0x8)

09:02:25 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x798a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:25 executing program 5:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000180)={0x10, 0x2}, 0x10)
connect$inet(r0, &(0x7f0000000000)={0x10, 0x2}, 0x10)
sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000001700)={0x0, 0x0, &(0x7f0000000480)=[{0x0}, {&(0x7f0000000080)="6a19a750a0d14ffc6e67696f700aa6a2f3453ab7cf36b7135d4ebf111458d349a5b2e0a5a55e0f0c3b3e2f9689c3d045c9432f49b0", 0x35}, {0x0}], 0x3}, 0x0)

[  523.199919][T19036] batman_adv: Cannot find parent device
09:02:25 executing program 3:
r0 = socket$inet6_udp(0x1c, 0x2, 0x0)
dup(r0)

[  523.281975][T19044] batman_adv: Cannot find parent device
[  523.308225][T19049] loop4: detected capacity change from 264192 to 0
09:02:25 executing program 2:
msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000580)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff})

09:02:25 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xce2203f9, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  523.482061][   T34] audit: type=1804 audit(1608627745.844:763): pid=19049 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/215/file1/file0" dev="sda1" ino=16383 res=1 errno=0
[  523.536480][T19057] batman_adv: Cannot find parent device
09:02:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7a000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:26 executing program 5:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x10, 0x2}, 0x10)
sendto$inet(r0, &(0x7f0000000200)='9', 0x1, 0x0, 0x0, 0x0)

09:02:26 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:26 executing program 3:
clock_nanosleep(0xa, 0x0, &(0x7f0000000000), 0x0)

09:02:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xce870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:26 executing program 2:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_mreqn(r0, 0x0, 0x13, 0x0, &(0x7f0000000140))

[  523.798476][T19075] batman_adv: Cannot find parent device
09:02:26 executing program 5:
mkdirat(0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0x0)
mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x5)
munmap(&(0x7f0000800000/0x800000)=nil, 0x800000)

[  523.877135][T19083] batman_adv: Cannot find parent device
[  523.931303][T19086] loop4: detected capacity change from 264192 to 0
09:02:26 executing program 3:
r0 = socket(0x2, 0x1, 0x84)
getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x2, &(0x7f0000000300), &(0x7f0000000340)=0x14)

09:02:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7a8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xcf870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  524.087901][   T34] audit: type=1804 audit(1608627746.454:764): pid=19086 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/216/file1/file0" dev="loop4" ino=103 res=1 errno=0
09:02:26 executing program 2:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_opts(r0, 0x0, 0x1, &(0x7f0000000040)="8ccc93b30579a8db883f4d1951", 0xd)

[  524.180027][   T34] audit: type=1400 audit(1608627746.454:765): avc:  denied  { execmem } for  pid=19090 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
09:02:26 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:26 executing program 5:
r0 = socket(0x2, 0x1, 0x84)
getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x107, &(0x7f00000000c0), &(0x7f0000000100)=0x18)

[  524.235947][T19098] batman_adv: Cannot find parent device
09:02:26 executing program 3:
r0 = msgget$private(0x0, 0x0)
msgctl$IPC_INFO(r0, 0x3, 0x0)

[  524.312295][T19103] batman_adv: Cannot find parent device
09:02:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7b8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd0030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  524.434893][T19115] loop4: detected capacity change from 264192 to 0
09:02:26 executing program 2:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
bind$inet(r0, &(0x7f0000000300)={0x10, 0x2}, 0x10)
setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x12, &(0x7f00000003c0), 0x64)
listen(r0, 0xe9)
r1 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r1, &(0x7f0000000000)={0x10, 0x2}, 0x10)
getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x102, &(0x7f00000005c0)=ANY=[], &(0x7f00000000c0)=0x55)

09:02:26 executing program 5:
open$dir(&(0x7f0000000b40)='./file0\x00', 0x0, 0x0)

09:02:27 executing program 3:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$inet_group_source_req(r0, 0x0, 0x53, &(0x7f0000000000)={0x0, {{0x10, 0x2}}, {{0x10, 0x2}}}, 0x118)

[  524.581672][   T34] audit: type=1804 audit(1608627746.954:766): pid=19120 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/217/file1/file0" dev="sda1" ino=15842 res=1 errno=0
09:02:27 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

[  524.674013][T19124] batman_adv: Cannot find parent device
09:02:27 executing program 3:
r0 = socket(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0xa, &(0x7f0000000240), 0x98)

[  524.721727][T19127] batman_adv: Cannot find parent device
09:02:27 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
sendto$inet(r0, &(0x7f0000000080)="9c", 0x1, 0x0, &(0x7f00000000c0)={0x10, 0x2}, 0x10)

09:02:27 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7c8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:27 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd0870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:27 executing program 3:
r0 = socket(0x2, 0x1, 0x84)
getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0x100, &(0x7f0000000400), &(0x7f00000004c0)=0xb0)

[  524.944228][T19147] loop4: detected capacity change from 264192 to 0
09:02:27 executing program 2:
r0 = socket$inet6_udp(0x1c, 0x2, 0x0)
setsockopt$inet6_buf(r0, 0x29, 0x19, &(0x7f0000000140)='@', 0x1)

[  525.075989][T19153] batman_adv: Cannot find parent device
09:02:27 executing program 5:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r1 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r1, &(0x7f0000000140)={0x1c, 0x1c, 0x3}, 0x1c)
r2 = dup2(r1, r0)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0xa, &(0x7f0000000100)={0x0, @in, 0x0, 0x0, 0xa}, 0x98)

09:02:27 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

[  525.153041][T19157] batman_adv: Cannot find parent device
09:02:27 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7d8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:27 executing program 3:
syz_genetlink_get_family_id$tipc2(0x0)
sendmsg$TIPC_NL_UDP_GET_REMOTEIP(0xffffffffffffffff, 0x0, 0x0)
r0 = perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0)
ioctl$FITHAW(r0, 0xc0045878)
r1 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCL_PASTESEL(r1, 0x541c, &(0x7f0000000100))

09:02:27 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd1870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  525.351378][T19177] loop4: detected capacity change from 264192 to 0
09:02:27 executing program 2:
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
creat(0x0, 0x193)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = memfd_create(&(0x7f0000000540)='Nw\x8ca\xb0jm\xa6<4\xbe\x1d\xc2/\x120I\xdfX\xd1\x00\xdaP\f\xa3\x02\x00\xc3,t\x8e\xdd\xadI\x89%\xaf\x16WF\x96\xdb*\xef\xc4\xca\xb4 \x174\x91\xb8\x9c7\x9cxu\xe8\xbb\x15\'\xb8~\x00\x00I\xd2\x13\xae\x04\xa4\xd5J\xd8\xcf|\xf8[\x9d\xf3\x95j\a\xaf|\xef\xbcK\xb1@$\x18\xaf\x1f0\xfe{`\x82\xbd\xb6\"\x0ek\x0e\x9a\x84\xa9\x03{\xbb8\x14\a\xd3\v\x81N(@2\xb9H\x8d4gV\x05P*GU[\x96\"\x85\x9fZv\xbc2\xff\xd7E\\\xf2\xdf7\x9e\xac\x15I\x1b\xaf\x9e\x91^j7`\x9bbg\xc8j\xf2\xb7\tAh\x12\xb0Y\xdc1>\x8dK\b\x06\xa8\x00\x82\xd1X\x14El\' \xbb\x85\v\x9dZ#\xd8\xde6\x8bG#\x02\xbcK\x83\xbbYB\xe9\xf9\x15\xf0\x94x\xe0\xc8\x9d\xf1wb\xbd\xab\xd8I\xe7\x85\xd3', 0x5)
fallocate(r0, 0x0, 0x0, 0x4000004)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000016c0))

[  525.477369][T19182] batman_adv: Cannot find parent device
[  525.488167][T19187] batman_adv: Cannot find parent device
09:02:28 executing program 5:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
r1 = dup2(r0, r0)
r2 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r2, &(0x7f0000000000)={0x1c, 0x1c, 0x3}, 0x1c)
r3 = dup2(r2, r2)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x105, &(0x7f0000000080)=ANY=[@ANYBLOB="02", @ANYRES32=<r4=>0x0], &(0x7f0000001700)=0x8)
getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x108, &(0x7f0000000280)={r4}, &(0x7f00000002c0)=0x18)

09:02:28 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7e8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:28 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x1c500)

09:02:28 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd2870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:28 executing program 3:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_int(r0, 0x0, 0x1b, &(0x7f0000000840), 0x4)

09:02:28 executing program 2:
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
creat(0x0, 0x193)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = memfd_create(&(0x7f0000000540)='Nw\x8ca\xb0jm\xa6<4\xbe\x1d\xc2/\x120I\xdfX\xd1\x00\xdaP\f\xa3\x02\x00\xc3,t\x8e\xdd\xadI\x89%\xaf\x16WF\x96\xdb*\xef\xc4\xca\xb4 \x174\x91\xb8\x9c7\x9cxu\xe8\xbb\x15\'\xb8~\x00\x00I\xd2\x13\xae\x04\xa4\xd5J\xd8\xcf|\xf8[\x9d\xf3\x95j\a\xaf|\xef\xbcK\xb1@$\x18\xaf\x1f0\xfe{`\x82\xbd\xb6\"\x0ek\x0e\x9a\x84\xa9\x03{\xbb8\x14\a\xd3\v\x81N(@2\xb9H\x8d4gV\x05P*GU[\x96\"\x85\x9fZv\xbc2\xff\xd7E\\\xf2\xdf7\x9e\xac\x15I\x1b\xaf\x9e\x91^j7`\x9bbg\xc8j\xf2\xb7\tAh\x12\xb0Y\xdc1>\x8dK\b\x06\xa8\x00\x82\xd1X\x14El\' \xbb\x85\v\x9dZ#\xd8\xde6\x8bG#\x02\xbcK\x83\xbbYB\xe9\xf9\x15\xf0\x94x\xe0\xc8\x9d\xf1wb\xbd\xab\xd8I\xe7\x85\xd3', 0x5)
fallocate(r0, 0x0, 0x0, 0x4000004)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000016c0))

09:02:28 executing program 5:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000a00)=[{&(0x7f0000000a40)=""/4070, 0xfe6}], 0x1}, 0x0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0x1014a, 0x0, 0x0, 0x800e00515)
r2 = socket$inet_sctp(0x2, 0x1, 0x84)
sendmsg$inet_sctp(r2, &(0x7f00000000c0)={&(0x7f0000000080)=@in={0x10, 0x2}, 0x10, 0x0}, 0x0)
r3 = dup(r2)
r4 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r3, &(0x7f0000002200)=[{&(0x7f0000000280)=""/150, 0x96}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9)
recvfrom$inet(r4, 0x0, 0xccf3, 0x0, 0x0, 0x800e0050e)
shutdown(r3, 0x0)
pipe2(&(0x7f0000000200)={0xffffffffffffffff, <r5=>0xffffffffffffffff}, 0x0)
writev(r5, &(0x7f0000000000)=[{&(0x7f0000000240)="e64850b1527e3ff606d246883b97aad559f5c03853c3bcd15eacc072968e41435fcd275636e387c09c2dbdec0efc281405ac76368ffd3db8ed074e6c36d0f6629292db6c75779c49a956363ee69eeec80ae325b00e2ee82aacf2077f5d425055a1fba7a5a42577441049ea3ed42810fcb582acab4aad0e03d05a759b226d68dfb41eb3438f0fb64a6f65afdcc9cf5727c2baddf0001db48d73a6f33b795c38e4d39e", 0x6b81}, {&(0x7f0000000300)="2547929c8bf5df36d135befb70228aaeb13096fca401130cb74073805600507259b9495e633a9c88a8e2dcfc2216fe37bcd664967e4124df91b3567ba9ebe35857f0c7aeaaea3288d8f7ed6a4a3dfcbb8bbae8362f9620eee50ff4616203a17b591520e89b75aa50212bff7c8ebced3856126f262d513b923eddf98b2406afe94f57be57c81427f971ce88ae3b9d4c4f6a778db1ef53e7fd3e9d933f244adc1f", 0xa0}], 0x4)
shutdown(r4, 0x0)

[  526.143008][T19217] loop4: detected capacity change from 264192 to 0
09:02:28 executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
r1 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r1, &(0x7f0000000140)={0x1c, 0x1c, 0x3}, 0x1c)
r2 = dup2(r1, r0)
setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0xa, &(0x7f0000000100), 0x98)

[  526.199243][T19219] batman_adv: Cannot find parent device
[  526.265068][T19225] batman_adv: Cannot find parent device
09:02:28 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x7f8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:28 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(0xffffffffffffffff, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(0xffffffffffffffff, r0, 0x0, 0x1c500)

09:02:28 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd3870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:29 executing program 2:
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
creat(0x0, 0x193)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = memfd_create(&(0x7f0000000540)='Nw\x8ca\xb0jm\xa6<4\xbe\x1d\xc2/\x120I\xdfX\xd1\x00\xdaP\f\xa3\x02\x00\xc3,t\x8e\xdd\xadI\x89%\xaf\x16WF\x96\xdb*\xef\xc4\xca\xb4 \x174\x91\xb8\x9c7\x9cxu\xe8\xbb\x15\'\xb8~\x00\x00I\xd2\x13\xae\x04\xa4\xd5J\xd8\xcf|\xf8[\x9d\xf3\x95j\a\xaf|\xef\xbcK\xb1@$\x18\xaf\x1f0\xfe{`\x82\xbd\xb6\"\x0ek\x0e\x9a\x84\xa9\x03{\xbb8\x14\a\xd3\v\x81N(@2\xb9H\x8d4gV\x05P*GU[\x96\"\x85\x9fZv\xbc2\xff\xd7E\\\xf2\xdf7\x9e\xac\x15I\x1b\xaf\x9e\x91^j7`\x9bbg\xc8j\xf2\xb7\tAh\x12\xb0Y\xdc1>\x8dK\b\x06\xa8\x00\x82\xd1X\x14El\' \xbb\x85\v\x9dZ#\xd8\xde6\x8bG#\x02\xbcK\x83\xbbYB\xe9\xf9\x15\xf0\x94x\xe0\xc8\x9d\xf1wb\xbd\xab\xd8I\xe7\x85\xd3', 0x5)
fallocate(r0, 0x0, 0x0, 0x4000004)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000016c0))

[  526.693951][T19250] batman_adv: Cannot find parent device
09:02:29 executing program 3:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmsg$inet6(r0, &(0x7f00000008c0)={&(0x7f0000000140)={0xa, 0x4e22, 0x0, @dev}, 0x1c, 0x0}, 0x10008800)
sendmmsg$inet(r0, &(0x7f0000006400)=[{{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000001440)="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", 0x5ad}], 0x1}}], 0x1, 0x0)

[  526.734371][T19251] batman_adv: Cannot find parent device
[  526.760528][T19259] loop4: detected capacity change from 264192 to 0
09:02:29 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd4870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:29 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x808a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:29 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(0xffffffffffffffff, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(0xffffffffffffffff, r0, 0x0, 0x1c500)

[  527.101825][T19273] batman_adv: Cannot find parent device
09:02:29 executing program 3:
migrate_pages(0x0, 0x72aa, &(0x7f00000000c0)=0x3, &(0x7f0000000000))

09:02:29 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd5870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  527.314714][T19282] batman_adv: Cannot find parent device
[  527.323890][T19284] loop4: detected capacity change from 264192 to 0
09:02:29 executing program 5:
mq_unlink(&(0x7f0000000080)='.(\\#)\x00')

09:02:29 executing program 2:
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
creat(0x0, 0x193)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = memfd_create(&(0x7f0000000540)='Nw\x8ca\xb0jm\xa6<4\xbe\x1d\xc2/\x120I\xdfX\xd1\x00\xdaP\f\xa3\x02\x00\xc3,t\x8e\xdd\xadI\x89%\xaf\x16WF\x96\xdb*\xef\xc4\xca\xb4 \x174\x91\xb8\x9c7\x9cxu\xe8\xbb\x15\'\xb8~\x00\x00I\xd2\x13\xae\x04\xa4\xd5J\xd8\xcf|\xf8[\x9d\xf3\x95j\a\xaf|\xef\xbcK\xb1@$\x18\xaf\x1f0\xfe{`\x82\xbd\xb6\"\x0ek\x0e\x9a\x84\xa9\x03{\xbb8\x14\a\xd3\v\x81N(@2\xb9H\x8d4gV\x05P*GU[\x96\"\x85\x9fZv\xbc2\xff\xd7E\\\xf2\xdf7\x9e\xac\x15I\x1b\xaf\x9e\x91^j7`\x9bbg\xc8j\xf2\xb7\tAh\x12\xb0Y\xdc1>\x8dK\b\x06\xa8\x00\x82\xd1X\x14El\' \xbb\x85\v\x9dZ#\xd8\xde6\x8bG#\x02\xbcK\x83\xbbYB\xe9\xf9\x15\xf0\x94x\xe0\xc8\x9d\xf1wb\xbd\xab\xd8I\xe7\x85\xd3', 0x5)
fallocate(r0, 0x0, 0x0, 0x4000004)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000016c0))

09:02:29 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(0xffffffffffffffff, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r1, 0x5451)
sendfile(0xffffffffffffffff, r0, 0x0, 0x1c500)

09:02:30 executing program 3:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmsg$inet(r0, &(0x7f00000003c0)={&(0x7f0000000040)={0x2, 0x4e24, @empty}, 0x10, 0x0, 0x0, &(0x7f0000000100)=[@ip_retopts={{0x10, 0x0, 0x7, {[@ra={0x94, 0x4}]}}}], 0x10}, 0x0)

09:02:30 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x81000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  527.707833][T19295] batman_adv: Cannot find parent device
[  527.795947][T19306] loop4: detected capacity change from 264192 to 0
09:02:30 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd6870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:30 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000040), 0x14)

09:02:30 executing program 5:
perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb102, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x400, 0xc97e}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)

09:02:30 executing program 3:
syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x0, 0x40)

[  528.067291][T19315] batman_adv: Cannot find parent device
09:02:30 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  528.160114][T19321] batman_adv: Cannot find parent device
09:02:30 executing program 2:
syz_emit_ethernet(0x26, &(0x7f0000001100)={@broadcast, @remote, @val={@void}, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @loopback}}}}}, 0x0)

09:02:30 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x818a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:30 executing program 3:
openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x40a000, 0x0)
r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000280)='/dev/nvram\x00', 0x2101, 0x0)
write$FUSE_POLL(0xffffffffffffffff, &(0x7f0000002300)={0x18}, 0x18)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0)
r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2)
ioctl$LOOP_CTL_ADD(r0, 0x4c80, r2)
openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0xc000, 0x0)

09:02:30 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd7870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:30 executing program 5:
pipe(&(0x7f0000000200)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = socket$inet_udp(0x2, 0x2, 0x0)
fcntl$setpipe(r1, 0x407, 0x0)
socket$packet(0x11, 0xa, 0x300)
write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0x4240a2a0)
bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x33}}, 0x10)
connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @multicast1}, 0x10)
splice(r0, 0x0, r2, 0x0, 0x30005, 0x0)

[  528.380906][T19333] loop4: detected capacity change from 264192 to 0
[  528.402975][T19337] batman_adv: Cannot find parent device
[  528.494359][   T34] audit: type=1804 audit(1608627750.864:767): pid=19343 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/224/file0" dev="sda1" ino=15845 res=1 errno=0
09:02:31 executing program 2:
syz_emit_ethernet(0x26, &(0x7f0000001100)={@broadcast, @remote, @val={@void}, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @loopback}}}}}, 0x0)

09:02:31 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x82000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:31 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  528.695191][T19352] batman_adv: Cannot find parent device
09:02:31 executing program 3:
bpf$PROG_LOAD(0x5, &(0x7f00000015c0)={0x8, 0x3, &(0x7f0000000040)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x0, 0x54}, [@exit]}, &(0x7f0000001640)='syzkaller\x00', 0x0, 0x40, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xfffffffffffffd8c}, 0x48)

[  528.799159][T19359] batman_adv: Cannot find parent device
09:02:31 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd8870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:31 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x828a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:31 executing program 2:
syz_emit_ethernet(0x26, &(0x7f0000001100)={@broadcast, @remote, @val={@void}, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @loopback}}}}}, 0x0)

09:02:31 executing program 3:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet(r0, &(0x7f0000004280)=[{{&(0x7f0000000000)={0x2, 0x4e23, @loopback}, 0x10, 0x0}}], 0x1, 0x48000)
sendmmsg$inet(r0, &(0x7f0000000340)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000140), 0x10, 0x0, 0x0, &(0x7f00000005c0)=[@ip_pktinfo={{0xfffffeb6, 0x0, 0x8, {0x0, @multicast1}}}], 0x18}}, {{&(0x7f0000000040)={0x2, 0x0, @empty}, 0x0, &(0x7f00000001c0)=[{&(0x7f00000000c0)="1991c73380091d6c2a9945a241f3308c6e0bf0b64ae810910805e01c68ef206077ebaacf5c999fd04f794ff66bd45337d15a066f990f29fb460849727ca71a3e94f1ae813ecdd8d01b0efb620e5faf3cae56abb4e1f86c80a74dc1ed6812e72fb7fbf2f31eefa58f22a76df9c629010f99"}, {&(0x7f0000000600)="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"}, {&(0x7f0000001f00)="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{&(0x7f0000000180)="b5a54e3428bc228f6ded6a24a15427a3c278cd2f83b1d41458c478a3ca70de1ae278ef542b0c56d85532b3e4a848eb5f78da0f1b65e18a3b"}, {&(0x7f0000002f00)="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"}], 0x0, &(0x7f0000000080)=[@ip_tos_int]}}, {{&(0x7f0000000240)={0x2, 0x0, @multicast2}, 0x0, &(0x7f0000000300)=[{&(0x7f0000000280)="749c8157aeb6b5143e62eecaae5246925c08f8625011a64af5d71aed64b8d8217e4fb4b87ecf3dfb7fbfd48a4d31a38c28dc3de3f320629620e0dede99914325a9a659c4274d8052c524f5943103ebd84bfd49e472b79909d10553a8da3be95a50977119f03093c56497d10b3f2580faf533a0c5020224a0d4"}]}}], 0xc, 0x0)

[  529.022887][T19370] loop4: detected capacity change from 264192 to 0
[  529.108152][T19373] batman_adv: Cannot find parent device
[  529.166181][   T34] audit: type=1804 audit(1608627751.524:768): pid=19380 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/225/file0" dev="sda1" ino=16379 res=1 errno=0
[  529.279371][T19379] batman_adv: Cannot find parent device
09:02:31 executing program 3:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000240)='/dev/full\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)

09:02:31 executing program 2:
syz_emit_ethernet(0x26, &(0x7f0000001100)={@broadcast, @remote, @val={@void}, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @loopback}}}}}, 0x0)

09:02:31 executing program 5:
pipe2(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
r1 = epoll_create(0x4)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000040))

09:02:31 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xd9870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:31 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x838a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:32 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  529.839919][T19397] batman_adv: Cannot find parent device
[  529.885236][T19398] batman_adv: Cannot find parent device
09:02:32 executing program 2:
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x21bc2, 0x0)
utimensat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', &(0x7f0000000100), 0x100)

09:02:32 executing program 3:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000240)='/dev/full\x00', 0x0, 0x0)
r2 = dup3(r0, r1, 0x0)
write$FUSE_STATFS(r2, 0x0, 0x0)

09:02:32 executing program 5:
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x21bc2, 0x0)
utimensat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', &(0x7f0000000100), 0x0)

09:02:32 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x848a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:32 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xda870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  530.206606][T19418] loop4: detected capacity change from 264192 to 0
09:02:32 executing program 2:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x20101, 0x0)
write$FUSE_ATTR(r0, 0x0, 0x4e)

[  530.267690][T19419] batman_adv: Cannot find parent device
09:02:32 executing program 3:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
write$FUSE_GETXATTR(r2, 0x0, 0x0)

[  530.326465][T19424] batman_adv: Cannot find parent device
[  530.333309][   T34] audit: type=1804 audit(1608627752.705:769): pid=19428 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/226/file0" dev="sda1" ino=15750 res=1 errno=0
09:02:32 executing program 5:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
write$P9_RLINK(r2, 0x0, 0x0)

09:02:32 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x858a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:32 executing program 2:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x20101, 0x0)
write$cgroup_netprio_ifpriomap(r0, 0x0, 0xffffff69)

09:02:32 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:32 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xdb870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:33 executing program 3:
utimensat(0xffffffffffffffff, 0x0, 0x0, 0xc1b64d0f0f595c6a)

[  530.732284][T19449] batman_adv: Cannot find parent device
[  530.767243][T19451] batman_adv: Cannot find parent device
09:02:33 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000240)='/dev/full\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)
write$P9_RLINK(r1, 0x0, 0x0)

09:02:33 executing program 2:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000240)='/dev/full\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)
write$nbd(r1, &(0x7f00000003c0)=ANY=[], 0xa4)

[  530.793639][T19456] loop4: detected capacity change from 264192 to 0
[  530.858292][   T34] audit: type=1804 audit(1608627753.225:770): pid=19463 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/227/file0" dev="sda1" ino=15762 res=1 errno=0
09:02:33 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x868a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:33 executing program 3:
select(0xfffffffffffffeca, 0xffffffffffffffff, 0x0, 0x0, 0x0)

09:02:33 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xdc870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:33 executing program 2:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x20101, 0x0)
write$P9_RVERSION(r0, 0x0, 0x0)

09:02:33 executing program 3:
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x21bc2, 0x0)
fchmodat(0xffffffffffffff9c, &(0x7f0000000280)='./file1\x00', 0x1)

09:02:33 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
pipe2(&(0x7f0000000000)={<r1=>0xffffffffffffffff}, 0x0)
r2 = dup3(r0, r1, 0x0)
write$P9_RVERSION(r2, 0x0, 0x0)

[  531.234534][T19475] batman_adv: Cannot find parent device
[  531.338006][T19481] batman_adv: Cannot find parent device
09:02:33 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:33 executing program 2:
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$sock_int(r0, 0x1, 0x8, 0x0, 0x0)

09:02:33 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xdd870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:33 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x878a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:34 executing program 3:
pipe2(&(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
write$FUSE_DIRENTPLUS(r0, &(0x7f0000004180)=ANY=[], 0x480)

[  531.692118][T19495] batman_adv: Cannot find parent device
09:02:34 executing program 5:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00')

09:02:34 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xde870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  531.833373][T19505] loop4: detected capacity change from 264192 to 0
[  531.861813][T19503] batman_adv: Cannot find parent device
09:02:34 executing program 2:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
write$FUSE_DIRENTPLUS(r2, 0x0, 0x0)

[  531.926412][T19513] batman_adv: Cannot find parent device
09:02:34 executing program 3:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r1, r0, 0x0)
write$P9_RMKNOD(r2, 0x0, 0x0)

09:02:34 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x0, 0x0)
r2 = dup3(r0, r1, 0x0)
write$FUSE_INTERRUPT(r2, 0x0, 0x0)

09:02:34 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x88030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:34 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xdf870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:34 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:34 executing program 3:
pipe2(&(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
r2 = dup3(r1, r0, 0x0)
fcntl$setpipe(r2, 0x407, 0x0)

09:02:34 executing program 2:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
write$P9_RREMOVE(r2, 0x0, 0x0)

09:02:34 executing program 5:
r0 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd)
r1 = add_key$fscrypt_v1(&(0x7f0000000000)='logon\x00', &(0x7f0000000340)={'fscrypt:', @desc2='e355a76a11a1be18'}, &(0x7f0000000100)={0x0, "e1c5fd53c876f1dae3e4eae2f178dfcf7d8b5d149a2538951e63c1bd32a0703ef155529248d769d3ce505e14b6000000000000000000f5ff00ff00"}, 0x69, r0)
keyctl$unlink(0x3, r1, 0x0)
add_key(&(0x7f0000000180)='trusted\x00', 0x0, 0x0, 0x0, r1)

[  532.409240][T19533] batman_adv: Cannot find parent device
09:02:34 executing program 3:
openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0)
r0 = openat$nvram(0xffffffffffffff9c, 0x0, 0x2101, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0)
ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0)

[  532.452295][T19535] batman_adv: Cannot find parent device
09:02:35 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe0870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:35 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x888a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  532.691498][T19552] loop4: detected capacity change from 264192 to 0
09:02:35 executing program 5:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000002100)='/proc/schedstat\x00', 0x0, 0x0)
read$FUSE(r0, &(0x7f0000000080)={0x2020}, 0x2020)

09:02:35 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe1870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  532.857681][T19564] batman_adv: Cannot find parent device
09:02:35 executing program 2:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000200)='/dev/uinput\x00', 0x0, 0x0)
ioctl$UI_ABS_SETUP(0xffffffffffffffff, 0x401c5504, &(0x7f00000000c0)={0x400000100002f})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x3)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={<r1=>0xffffffffffffffff})
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f0000000000)={{}, 'syz1\x00'})

[  532.971587][T19568] batman_adv: Cannot find parent device
09:02:35 executing program 3:
syz_mount_image$iso9660(0x0, 0x0, 0x0, 0x2, &(0x7f0000000440)=[{&(0x7f00000001c0)='\b', 0xfffffffffffffe6e, 0x8}, {&(0x7f0000000340)="32626f4fc5c633", 0x7, 0xfffffffffffffffa}], 0x0, 0x0)

09:02:35 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:35 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x88a8ffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:35 executing program 5:
io_setup(0xffff, &(0x7f0000000200)=<r0=>0x0)
io_setup(0x57, &(0x7f0000000000))
io_destroy(r0)

[  533.264526][T19578] batman_adv: Cannot find parent device
09:02:35 executing program 2:
syz_mount_image$udf(&(0x7f0000002e80)='udf\x00', &(0x7f0000002ec0)='./file0\x00', 0x0, 0x0, &(0x7f0000004100), 0x0, &(0x7f0000004180)={[{@session={'session', 0x3d, 0x7}}, {@rootdir={'rootdir'}}, {@adinicb='adinicb'}, {@bs={'bs', 0x3d, 0x8}}]})

09:02:35 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe2870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  533.469488][T19589] batman_adv: Cannot find parent device
[  533.486871][T19587] loop4: detected capacity change from 264192 to 0
09:02:36 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x89600000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  533.659916][T19581] loop3: detected capacity change from 32760 to 0
[  533.801711][T19606] batman_adv: Cannot find parent device
[  533.817398][   T34] audit: type=1804 audit(1608627756.185:771): pid=19596 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/230/file0" dev="sda1" ino=16374 res=1 errno=0
09:02:36 executing program 3:
syz_mount_image$udf(0x0, 0x0, 0x0, 0x0, &(0x7f0000000680), 0x0, 0x0)

[  533.865796][T19607] UDF-fs: bad mount option "bs=00000000000000000008" or missing value
[  533.928875][T19616] batman_adv: Cannot find parent device
09:02:36 executing program 5:
mount$fuseblk(&(0x7f0000000080)='/dev/loop0\x00', &(0x7f00000000c0)='.\x00', 0x0, 0x81480, 0x0)

09:02:36 executing program 3:
syz_emit_ethernet(0x30, &(0x7f0000000000)={@remote, @link_local, @val={@void}, {@ipx={0x8137, {0xffff, 0x1e, 0x0, 0x0, {@current, @random="7f1966e11a36"}, {@broadcast, @current}}}}}, 0x0)

09:02:36 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x898a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:36 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe3870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:36 executing program 2:
r0 = socket$nl_audit(0x10, 0x3, 0x9)
sendmsg$AUDIT_USER_AVC(r0, &(0x7f0000006b00)={0x0, 0x0, &(0x7f0000006ac0)={&(0x7f0000006a00)={0x14, 0x453, 0x0, 0x0, 0x0, '#'}, 0x14}, 0x1, 0x0, 0x0, 0x4008004}, 0x0)

09:02:36 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:36 executing program 3:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFQNL_MSG_CONFIG(r0, &(0x7f0000001c40)={0x0, 0x0, &(0x7f0000001c00)={&(0x7f0000001b80)={0x28, 0x2, 0x3, 0x401, 0x0, 0x0, {}, [@NFQA_CFG_CMD={0x8, 0x1, {0x1}}, @NFQA_CFG_PARAMS={0x9, 0x2, {0x0, 0x2}}]}, 0x28}}, 0x0)

09:02:36 executing program 5:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x2, [@union={0x0, 0x1, 0x0, 0x5, 0x1, 0x0, [{0x0, 0x2}]}]}}, &(0x7f0000000100)=""/197, 0x32, 0xc5, 0x1}, 0x20)

[  534.360417][T19631] batman_adv: Cannot find parent device
[  534.434471][   T34] audit: type=1107 audit(1608627756.805:772): pid=19636 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='#'
09:02:36 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8a8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:36 executing program 2:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cgroup.controllers\x00', 0x26e1, 0x0)
close(r0)
r1 = socket$unix(0x1, 0x1, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r2, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
listen(r2, 0x0)
connect$unix(r1, &(0x7f0000000280)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
dup3(r2, r1, 0x0)
accept(r0, 0x0, 0x0)

[  534.541399][T19641] batman_adv: Cannot find parent device
09:02:37 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10)
recvfrom(r0, 0x0, 0x0, 0x0, &(0x7f0000000380)=@ax25={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}, 0x0)

09:02:37 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10)
recvfrom(r0, 0x0, 0x8, 0x100, &(0x7f0000000380)=@ax25={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}, 0x0)

[  534.682820][T19649] loop4: detected capacity change from 264192 to 0
09:02:37 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe4870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  534.757100][T19653] batman_adv: Cannot find parent device
[  534.954308][   T34] audit: type=1804 audit(1608627757.325:773): pid=19656 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/231/file0" dev="sda1" ino=16366 res=1 errno=0
09:02:37 executing program 2:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10)
recvfrom(r0, 0x0, 0x8, 0x0, &(0x7f0000000380)=@ax25={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}, 0x0)

09:02:37 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10)
recvfrom(r0, 0x0, 0x0, 0x100, &(0x7f0000000380)=@ax25={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}, 0x0)

[  535.087240][T19670] batman_adv: Cannot find parent device
09:02:37 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8b8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:37 executing program 5:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x2, [@func_proto={0x0, 0x1, 0x0, 0xd, 0x0, [{0x9}]}]}}, &(0x7f0000000100)=""/197, 0x2e, 0xc5, 0xfffffffd}, 0x20)

09:02:37 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:37 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe4ffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  535.367102][T19683] batman_adv: Cannot find parent device
09:02:37 executing program 5:
bpf$MAP_CREATE(0x0, &(0x7f0000000900)={0x14, 0x0, 0x4}, 0x40)

09:02:37 executing program 2:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@func_proto={0x0, 0x0, 0x0, 0xd, 0x5000000}]}}, &(0x7f0000000100)=""/197, 0x26, 0xc5, 0xfffffffd}, 0x20)

09:02:37 executing program 3:
bpf$MAP_CREATE(0x0, &(0x7f0000000900)={0x17, 0x0, 0xb58, 0xe74f, 0x0, 0xffffffffffffffff, 0x0, [0x5f]}, 0x40)

[  535.447028][T19689] batman_adv: Cannot find parent device
09:02:37 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8c8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  535.546498][T19695] loop4: detected capacity change from 264192 to 0
09:02:37 executing program 2:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0x2, [@union={0x0, 0x2, 0x0, 0x5, 0x0, 0x0, [{}]}]}}, &(0x7f0000000100)=""/197, 0x32, 0xc5, 0x1}, 0x20)

09:02:38 executing program 5:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=ANY=[@ANYBLOB="7800000000010104000000000000000002000000240001801400018008000100e000000108000200000000000c0002800500010000000000240002801400018008000100ac14140208000200ac1e00010c00028005000100040000000800074000000000140005805d"], 0x78}}, 0x840)

09:02:38 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe5870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  535.720805][T19708] batman_adv: Cannot find parent device
09:02:38 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8d8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  535.846341][   T34] audit: type=1804 audit(1608627758.215:774): pid=19705 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/232/file0" dev="sda1" ino=16378 res=1 errno=0
09:02:38 executing program 2:
r0 = socket$packet(0x11, 0x2, 0x300)
poll(&(0x7f0000001680)=[{r0, 0x90}], 0x1, 0x10001)

[  535.961766][T19718] batman_adv: Cannot find parent device
09:02:38 executing program 5:
r0 = socket$unix(0x1, 0x2, 0x0)
ioctl$int_out(r0, 0x0, &(0x7f0000000080))

09:02:38 executing program 4:
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  536.102922][T19722] batman_adv: Cannot find parent device
09:02:38 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe6870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:38 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8e8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:38 executing program 5:
r0 = socket$tipc(0x1e, 0x2, 0x0)
bind$tipc(r0, &(0x7f0000000340)=@id, 0x10)

[  536.404011][T19733] loop4: detected capacity change from 264192 to 0
[  536.430242][   T34] audit: type=1804 audit(1608627758.805:775): pid=19733 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/233/file1/file0" dev="loop4" ino=105 res=1 errno=0
[  536.600985][T19739] batman_adv: Cannot find parent device
[  536.676320][T19744] batman_adv: Cannot find parent device
09:02:40 executing program 3:
syz_genetlink_get_family_id$batadv(&(0x7f0000000700)='batadv\x00')

09:02:40 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x8f8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:40 executing program 4:
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:40 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe7870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:40 executing program 5:
pipe(&(0x7f00000004c0)={<r0=>0xffffffffffffffff})
ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000400))

09:02:40 executing program 2:
pipe(&(0x7f0000001580)={<r0=>0xffffffffffffffff})
connect$rxrpc(r0, 0x0, 0x45d09369)

[  538.241824][T19759] loop4: detected capacity change from 264192 to 0
[  538.272084][   T34] audit: type=1804 audit(1608627760.646:776): pid=19759 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/234/file1/file0" dev="loop4" ino=106 res=1 errno=0
[  538.289693][T19760] batman_adv: Cannot find parent device
09:02:40 executing program 2:
pipe(&(0x7f00000004c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
write$nbd(r0, &(0x7f00000010c0)={0x67446698, 0x0, 0x0, 0x0, 0x0, "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"}, 0x1001)

09:02:40 executing program 5:
socketpair(0x11, 0xa, 0x0, &(0x7f0000000680))

09:02:40 executing program 4:
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  538.471905][T19761] batman_adv: Cannot find parent device
09:02:40 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe8870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:40 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x908a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:42 executing program 2:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
poll(&(0x7f0000000040)=[{r0}], 0x1, 0x80000000)

[  540.026915][T19777] batman_adv: Cannot find parent device
[  540.077792][T19786] batman_adv: Cannot find parent device
[  540.082299][T19788] loop4: detected capacity change from 264192 to 0
09:02:42 executing program 3:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$HCIINQUIRY(r0, 0x800448f0, &(0x7f0000000000)={0x0, 0x9, "9fa329", 0x7})

09:02:42 executing program 5:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_int(r0, 0x107, 0x8, &(0x7f0000000140), 0x4)

[  540.111206][   T34] audit: type=1804 audit(1608627762.486:777): pid=19788 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/235/file1/file0" dev="loop4" ino=107 res=1 errno=0
09:02:42 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe9870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:42 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x918a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:42 executing program 5:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r0, &(0x7f0000003100)={0x0, 0x0, &(0x7f00000030c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="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"], 0x2990}, 0x1, 0x0, 0x0, 0x84}, 0x0)

09:02:42 executing program 4:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  540.554318][T19804] batman_adv: Cannot find parent device
[  540.593701][T19809] batman_adv: Cannot find parent device
09:02:43 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xea870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  540.684529][T19815] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'.
[  540.696581][T19816] loop4: detected capacity change from 264192 to 0
09:02:43 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x928a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  540.724000][   T34] audit: type=1804 audit(1608627763.096:778): pid=19816 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/236/file1/file0" dev="loop4" ino=108 res=1 errno=0
09:02:43 executing program 5:
syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00')
r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
ioctl$SIOCX25SSUBSCRIP(r0, 0x89e1, &(0x7f0000000300)={'vxcan1\x00'})

09:02:43 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xeb870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  540.835063][T19820] batman_adv: Cannot find parent device
09:02:43 executing program 4:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  540.904345][T19825] batman_adv: Cannot find parent device
09:02:43 executing program 2:
socketpair(0x2a, 0x2, 0x0, &(0x7f00000015c0))

[  541.074688][T19834] batman_adv: Cannot find parent device
[  541.167802][T19841] loop4: detected capacity change from 264192 to 0
[  541.195604][   T34] audit: type=1804 audit(1608627763.566:779): pid=19841 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/237/file1/file0" dev="loop4" ino=109 res=1 errno=0
09:02:43 executing program 3:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPSET_CMD_LIST(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x14}, 0x14}}, 0x0)

09:02:43 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x938a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:43 executing program 5:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_buf(r0, 0x0, 0x29, &(0x7f00000000c0)="257dd90ae84850e4f746d6e6958232dd", 0x10)

09:02:43 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xec870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:43 executing program 2:
setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000280)={'team0\x00', <r1=>0x0})
ioctl$SIOCGETNODEID(0xffffffffffffffff, 0x89e1, 0x0)
syz_genetlink_get_family_id$tipc2(0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x2, &(0x7f0000000380)=@raw=[@generic, @generic], &(0x7f00000003c0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], r1, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)

[  541.374044][T19850] batman_adv: Cannot find parent device
09:02:43 executing program 4:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  541.537841][T19858] batman_adv: Cannot find parent device
09:02:44 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xed870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:44 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x948a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:44 executing program 5:
setsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000180)="e3", 0x1)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendto$inet(r0, &(0x7f0000000000)="23308db285", 0x5, 0x20008000, &(0x7f0000000040)={0x2, 0x4e22, @loopback}, 0x10)

09:02:44 executing program 3:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000bc0)={&(0x7f00000009c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x20000b21, 0xc, 0x2, [@volatile]}}, &(0x7f0000000ac0)=""/202, 0x26, 0xca, 0x1}, 0x20)

09:02:44 executing program 2:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000000c0)={0x18, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000080)='GPL\x00', 0x5, 0xe3, &(0x7f00000001c0)=""/227, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)
bpf$PROG_BIND_MAP(0x23, &(0x7f0000000140)={r0}, 0xc)

[  541.890427][T19873] batman_adv: Cannot find parent device
[  541.907787][T19881] loop4: detected capacity change from 264192 to 0
[  541.931973][   T34] audit: type=1804 audit(1608627764.306:780): pid=19881 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/238/file1/file0" dev="loop4" ino=110 res=1 errno=0
[  541.956517][T19876] batman_adv: Cannot find parent device
09:02:44 executing program 3:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000080)='GPL\x00', 0x5, 0xe3, &(0x7f00000001c0)=""/227, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)
bpf$BPF_GET_PROG_INFO(0xa, &(0x7f0000000400)={r0, 0x0, 0x0}, 0x10)

09:02:44 executing program 2:
perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)

09:02:44 executing program 5:
bpf$BPF_GET_PROG_INFO(0xf, 0xfffffffffffffffd, 0x0)

09:02:44 executing program 4:
perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:44 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xee870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:44 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x958a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:44 executing program 2:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x18, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000080)='GPL\x00', 0x5, 0xf3, &(0x7f00000001c0)=""/243, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)
bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000140)={&(0x7f0000000100)='./file0\x00', r0}, 0x10)

[  542.447467][   T55] Bluetooth: hci0: command 0x0401 tx timeout
09:02:44 executing program 3:
bpf$BPF_GET_PROG_INFO(0xb, 0x0, 0x0)

[  542.489172][T19900] batman_adv: Cannot find parent device
09:02:44 executing program 5:
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup/syz0\x00', 0x200002, 0x0)
bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000480)={r0, 0x0, 0x1, 0x0, 0x0}, 0x20)

[  542.553500][T19905] loop4: detected capacity change from 264192 to 0
[  542.579948][   T34] audit: type=1804 audit(1608627764.956:781): pid=19905 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/239/file1/file0" dev="loop4" ino=111 res=1 errno=0
[  542.624392][T19908] batman_adv: Cannot find parent device
09:02:45 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x968a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:45 executing program 5:
bpf$BPF_PROG_QUERY(0x16, &(0x7f0000000180)={0xffffffffffffffff, 0x0, 0x7, 0x0, 0x0}, 0x20)

09:02:45 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xef870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:45 executing program 4:
perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  542.899398][T19920] batman_adv: Cannot find parent device
09:02:45 executing program 3:
r0 = socket$kcm(0x29, 0x2, 0x0)
sendmsg$sock(r0, &(0x7f0000001880)={0x0, 0x0, 0x0}, 0x0)

09:02:45 executing program 2:
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
sendmsg$inet(r0, &(0x7f0000000c40)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=[@ip_tos_u8={{0x11}}, @ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @empty, @broadcast}}}], 0x28}, 0x0)

09:02:45 executing program 5:
ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x0, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)

09:02:45 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x978a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  543.045908][   T34] audit: type=1804 audit(1608627765.416:782): pid=19928 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/240/file0" dev="sda1" ino=16372 res=1 errno=0
[  543.062904][T19926] batman_adv: Cannot find parent device
09:02:45 executing program 3:
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
recvmsg(r0, &(0x7f000000a380)={0x0, 0x0, 0x0}, 0x42)

09:02:45 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf0870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:45 executing program 2:
bpf$MAP_CREATE(0x0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x55}, 0x40)

09:02:45 executing program 5:
bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x9, 0x0, 0x0, 0x0, 0x3}, 0x40)

[  543.321127][T19940] batman_adv: Cannot find parent device
09:02:45 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x988a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:45 executing program 4:
perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  543.561716][T19948] batman_adv: Cannot find parent device
09:02:46 executing program 3:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={<r0=>0xffffffffffffffff})
ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0xfffffffffffffff7)

09:02:46 executing program 5:
r0 = socket$kcm(0x29, 0x2, 0x0)
sendmsg$sock(r0, &(0x7f0000001880)={&(0x7f0000000440)=@pppoe={0x18, 0x0, {0x0, @link_local, 'veth1_vlan\x00'}}, 0x80, &(0x7f0000001800)=[{&(0x7f00000004c0)='s', 0x1}, {&(0x7f00000014c0)='\t', 0x1}, {&(0x7f00000015c0)='S', 0x1}], 0x3}, 0x40000)

09:02:46 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf0ffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:46 executing program 2:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000bc0)={&(0x7f00000009c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@volatile={0x0, 0x0, 0x0, 0x9, 0x400000}]}}, &(0x7f0000000ac0)=""/202, 0x26, 0xca, 0x1}, 0x20)

[  543.759102][T19958] batman_adv: Cannot find parent device
[  543.812635][T19964] loop4: detected capacity change from 264192 to 0
[  543.854385][   T34] audit: type=1804 audit(1608627766.226:783): pid=19964 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/241/file1/file0" dev="loop4" ino=112 res=1 errno=0
09:02:46 executing program 3:
clock_nanosleep(0x1, 0x0, &(0x7f0000000880)={0x77359400}, &(0x7f00000008c0))

09:02:46 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x998a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  543.983551][T19972] batman_adv: Cannot find parent device
09:02:46 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf1870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:46 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:46 executing program 5:
open_tree(0xffffffffffffff9c, 0x0, 0x0)

09:02:46 executing program 2:
socketpair(0x6, 0x0, 0x0, &(0x7f0000000100))

[  544.265071][T19981] batman_adv: Cannot find parent device
[  544.311772][T19985] batman_adv: Cannot find parent device
09:02:46 executing program 5:
syz_open_dev$mouse(&(0x7f0000000500)='/dev/input/mouse#\x00', 0x2, 0x0)

[  544.406624][T19997] loop4: detected capacity change from 264192 to 0
09:02:46 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9a030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  544.435999][   T34] audit: type=1804 audit(1608627766.806:784): pid=19997 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/242/file1/file0" dev="loop4" ino=113 res=1 errno=0
09:02:46 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, 0x0, 0x0)

09:02:46 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf2030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:46 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$tipc2(&(0x7f0000001d80)='TIPCv2\x00')
sendmsg$TIPC_NL_LINK_GET(0xffffffffffffffff, 0x0, 0x0)
sched_rr_get_interval(0x0, 0x0)

09:02:47 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  544.715462][T20006] batman_adv: Cannot find parent device
[  544.762191][T20011] batman_adv: Cannot find parent device
[  544.833617][T20020] loop4: detected capacity change from 264192 to 0
[  544.860216][   T34] audit: type=1804 audit(1608627767.236:785): pid=20020 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/243/file1/file0" dev="loop4" ino=114 res=1 errno=0
09:02:47 executing program 3:
syz_open_dev$mouse(&(0x7f0000001dc0)='/dev/input/mouse#\x00', 0x0, 0x341c01)

09:02:47 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, &(0x7f0000001440)={0x0, 0x0, 0x0}, 0x0)

09:02:47 executing program 2:
clock_nanosleep(0x0, 0x0, &(0x7f0000000300), &(0x7f0000000340))

09:02:47 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf2870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:47 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9a8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:47 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  545.185664][T20035] batman_adv: Cannot find parent device
[  545.204353][T20036] batman_adv: Cannot find parent device
09:02:47 executing program 2:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000200)={0x1, &(0x7f00000001c0)=[{0x2, 0x0, 0x0, 0x26f1}]})

09:02:47 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$tipc2(&(0x7f0000001d80)='TIPCv2\x00')
sendmsg$TIPC_NL_LINK_GET(r0, &(0x7f00000022c0)={0x0, 0x0, &(0x7f0000002280)={0x0}}, 0x0)
sched_rr_get_interval(0x0, &(0x7f0000002300))

09:02:47 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf3870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  545.290944][T20046] loop4: detected capacity change from 264192 to 0
[  545.314574][   T34] audit: type=1804 audit(1608627767.686:786): pid=20046 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/244/file1/file0" dev="loop4" ino=115 res=1 errno=0
09:02:47 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9b8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:47 executing program 3:
openat$vsock(0xffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x4f8381, 0x0)

[  545.481515][T20053] batman_adv: Cannot find parent device
09:02:48 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:48 executing program 2:
r0 = socket$kcm(0x29, 0x2, 0x0)
sendmsg$sock(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000140)="ea", 0x1}, {&(0x7f0000000040)='8', 0x1}, {&(0x7f0000000080)="8f", 0x1}], 0x3}, 0x0)

09:02:48 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf4030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:48 executing program 5:
openat$vsock(0xffffff9c, &(0x7f0000000cc0)='/dev/vsock\x00', 0x250a00, 0x0)

[  545.714218][T20063] batman_adv: Cannot find parent device
09:02:48 executing program 3:
syz_genetlink_get_family_id$tipc2(&(0x7f00000002c0)='TIPCv2\x00')
execve(&(0x7f0000000f40)='./file0\x00', 0x0, &(0x7f0000001400)=[&(0x7f0000001180)='TIPCv2\x00', &(0x7f0000001200)='gcm(aes)\x00', 0x0])

09:02:48 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9c1580b3, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:48 executing program 2:
clock_gettime(0x0, &(0x7f00000000c0)={0x0, <r0=>0x0})
pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x0, r0+10000000}, &(0x7f0000000180)={&(0x7f0000000140)={[0x8]}, 0x8})

[  545.881495][T20076] loop4: detected capacity change from 264192 to 0
[  545.902446][T20074] batman_adv: Cannot find parent device
09:02:48 executing program 5:
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000012c0)={<r0=>0xffffffffffffffff})
setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000001300)={0x40, 0x0, 0x3}, 0x10)

[  545.998550][   T34] audit: type=1804 audit(1608627768.377:787): pid=20082 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/245/file1/file0" dev="loop4" ino=116 res=1 errno=0
[  546.218188][T20087] batman_adv: Cannot find parent device
09:02:48 executing program 3:
openat$autofs(0xffffff9c, &(0x7f0000001680)='/dev/autofs\x00', 0x6081, 0x0)

09:02:48 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf4870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:48 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9c8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r0, &(0x7f0000001440)={0x0, 0x0, &(0x7f0000001400)={0x0}}, 0x0)
sendmsg$TIPC_NL_NAME_TABLE_GET(r0, &(0x7f0000001640)={0x0, 0x0, &(0x7f0000001600)={0x0}}, 0x0)

09:02:49 executing program 3:
sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0)
socketpair(0x6, 0x0, 0x0, &(0x7f0000000100))
syz_genetlink_get_family_id$tipc2(&(0x7f00000002c0)='TIPCv2\x00')
syz_open_dev$mouse(&(0x7f0000000500)='/dev/input/mouse#\x00', 0x2, 0x0)
fspick(0xffffffffffffffff, &(0x7f0000000540)='./file0\x00', 0x0)
socketpair(0x1f, 0x0, 0x0, &(0x7f0000000580))
syz_genetlink_get_family_id$tipc2(&(0x7f0000000600)='TIPCv2\x00')

[  546.698084][T20100] batman_adv: Cannot find parent device
[  546.722129][T20098] batman_adv: Cannot find parent device
09:02:49 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:49 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9d8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf5870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 5:
sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0)
socketpair(0x0, 0x0, 0x0, 0x0)
syz_open_dev$mouse(&(0x7f0000000500)='/dev/input/mouse#\x00', 0x0, 0x0)
socketpair(0x0, 0x0, 0x0, &(0x7f0000000580))
socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$TIPC_NL_BEARER_SET(0xffffffffffffffff, 0x0, 0x0)
execve(&(0x7f0000000f40)='./file0\x00', 0x0, &(0x7f0000001400)=[&(0x7f0000001180)='TIPCv2\x00', &(0x7f0000001200)='gcm(aes)\x00', 0x0])

09:02:49 executing program 3:
uselib(&(0x7f00000008c0)='./file0\x00')

[  546.952921][T20118] batman_adv: Cannot find parent device
[  546.994393][T20119] batman_adv: Cannot find parent device
[  547.036685][T20128] loop4: detected capacity change from 264192 to 0
[  547.063264][   T34] audit: type=1804 audit(1608627769.437:788): pid=20128 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/246/file1/file0" dev="loop4" ino=117 res=1 errno=0
09:02:49 executing program 2:
r0 = socket$kcm(0x29, 0x2, 0x0)
sendmsg$sock(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000140)="ea", 0x1}, {&(0x7f0000000040)='8', 0x1}, {&(0x7f0000000080)="8f", 0x1}], 0x3}, 0x40080)

09:02:49 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9e030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 3:
pselect6(0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000100), &(0x7f0000000180)={&(0x7f0000000140), 0x8})

[  547.232891][T20139] batman_adv: Cannot find parent device
09:02:49 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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)
prlimit64(0x0, 0xe, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:49 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9e8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf6870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:49 executing program 5:
openat$proc_capi20ncci(0xffffff9c, &(0x7f0000000b40)='/proc/capi/capi20ncci\x00', 0xa15b97c29cbfbdd7, 0x0)
syz_genetlink_get_family_id$ethtool(&(0x7f0000000b80)='ethtool\x00')
openat$nvme_fabrics(0xffffff9c, &(0x7f0000000d00)='/dev/nvme-fabrics\x00', 0x0, 0x0)
openat$drirender128(0xffffff9c, &(0x7f0000000f40)='/dev/dri/renderD128\x00', 0x0, 0x0)

09:02:49 executing program 3:
open$dir(&(0x7f0000000680)='./file0\x00', 0x20241, 0x88)

[  547.410747][T20150] batman_adv: Cannot find parent device
09:02:49 executing program 2:
openat$autofs(0xffffff9c, &(0x7f00000006c0)='/dev/autofs\x00', 0x101000, 0x0)

[  547.483123][T20156] batman_adv: Cannot find parent device
[  547.499124][T20158] loop4: detected capacity change from 264192 to 0
09:02:50 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9effffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  547.621479][   T34] audit: type=1804 audit(1608627769.997:789): pid=20166 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/247/file1/file0" dev="sda1" ino=16113 res=1 errno=0
09:02:50 executing program 3:
clock_gettime(0x0, &(0x7f00000000c0)={0x0, <r0=>0x0})
pselect6(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000100)={0x0, r0+10000000}, &(0x7f0000000180)={&(0x7f0000000140)={[0x8]}, 0x8})

09:02:50 executing program 2:
execve(&(0x7f0000000f40)='./file0\x00', 0x0, 0x0)

09:02:50 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf7870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:50 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0x0, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:50 executing program 5:
openat$proc_capi20ncci(0xffffff9c, &(0x7f0000000b40)='/proc/capi/capi20ncci\x00', 0xa15b97c29cbfbdd7, 0x0)
syz_genetlink_get_family_id$ethtool(&(0x7f0000000b80)='ethtool\x00')
openat$nvme_fabrics(0xffffff9c, &(0x7f0000000d00)='/dev/nvme-fabrics\x00', 0x0, 0x0)
openat$drirender128(0xffffff9c, &(0x7f0000000f40)='/dev/dri/renderD128\x00', 0x0, 0x0)

[  547.965985][T20179] batman_adv: Cannot find parent device
09:02:50 executing program 3:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000540)={0x8, 0x3, &(0x7f0000000300)=@framed, &(0x7f0000000380)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)
close(r0)

09:02:50 executing program 2:
socket(0x2b, 0x1, 0x1000)

[  548.051148][T20186] batman_adv: Cannot find parent device
09:02:50 executing program 5:
setsockopt$TIPC_GROUP_JOIN(0xffffffffffffffff, 0x10f, 0x87, 0x0, 0x0)

09:02:50 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x9f8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:50 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf8870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  548.133428][T20191] loop4: detected capacity change from 264192 to 0
[  548.210141][T20199] batman_adv: Cannot find parent device
[  548.275824][   T34] audit: type=1804 audit(1608627770.647:790): pid=20202 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/248/file0" dev="sda1" ino=16049 res=1 errno=0
[  548.362899][T20209] batman_adv: Cannot find parent device
09:02:50 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf90322ce, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:50 executing program 2:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmsg$inet6(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={[], [], @dev}}, 0x1c, 0x0, 0x0, &(0x7f0000000280)=[@pktinfo={{0x20, 0x29, 0x32, {@ipv4={[], [], @private}}}}], 0x20}, 0x0)

09:02:50 executing program 3:
sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000}, 0x0)
socketpair(0x6, 0x4, 0x0, &(0x7f0000000100)={<r0=>0xffffffffffffffff})
sendmsg$L2TP_CMD_SESSION_DELETE(r0, 0x0, 0x4)
r1 = syz_genetlink_get_family_id$tipc2(&(0x7f00000002c0)='TIPCv2\x00')
ioctl$SNDRV_PCM_IOCTL_STATUS_EXT64(0xffffffffffffffff, 0xc0804124, 0x0)
syz_open_dev$mouse(&(0x7f0000000500)='/dev/input/mouse#\x00', 0x0, 0x0)
socketpair(0x1f, 0x4, 0xffff, &(0x7f0000000580))
syz_genetlink_get_family_id$tipc2(&(0x7f0000000600)='TIPCv2\x00')
socketpair(0x27, 0xa, 0xff, &(0x7f0000000880))
uselib(&(0x7f00000008c0)='./file0\x00')
ioctl$SNDRV_PCM_IOCTL_SYNC_PTR(0xffffffffffffffff, 0xc0884123, 0x0)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$TIPC_NL_BEARER_SET(r2, &(0x7f0000000f00)={&(0x7f0000000b40), 0xc, &(0x7f0000000ec0)={&(0x7f0000000b80)={0x4c, r1, 0x4, 0x70bd2d, 0x0, {}, [@TIPC_NLA_NODE={0x8, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ID={0x4}]}, @TIPC_NLA_MEDIA={0xc, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}, @TIPC_NLA_SOCK={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_CON={0x4}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0xfffffff7}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0xfffffff7}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x6}]}]}, 0x4c}}, 0x0)
execve(&(0x7f0000000f40)='./file0\x00', &(0x7f0000001140)=[0x0, 0x0, &(0x7f0000001040)='}})\x00', 0x0], &(0x7f0000001400)=[&(0x7f00000011c0)='TIPCv2\x00', &(0x7f0000001200)='gcm(aes)\x00', &(0x7f0000001280)=')\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000013c0)='udp\x00'])

09:02:50 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa08a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:50 executing program 5:
mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0xffff, &(0x7f0000000580)={0x77359400})

09:02:51 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0x0, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  548.694447][T20219] batman_adv: Cannot find parent device
[  548.781664][T20223] batman_adv: Cannot find parent device
09:02:51 executing program 3:
clock_gettime(0x0, &(0x7f00000000c0)={0x0, <r0=>0x0})
pselect6(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000100)={0x0, r0+10000000}, &(0x7f0000000180)={&(0x7f0000000140), 0x8})

09:02:51 executing program 2:
socket(0x10, 0x3, 0xf6b4)

09:02:51 executing program 5:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
r3 = dup(r0)
setsockopt$IPT_SO_SET_REPLACE(r3, 0x8001000000000000, 0x40, &(0x7f0000000680)=@raw={'raw\x00', 0x8, 0x3, 0x318, 0x138, 0x11, 0x148, 0x138, 0x0, 0x280, 0x2a8, 0x2a8, 0x280, 0x2a8, 0x3, 0x0, {[{{@uncond, 0x0, 0xf0, 0x138, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'veth1_to_batadv\x00', {0x0, 0x0, 0x9, 0x0, 0x0, 0x3, 0x40000007}}}, @common=@unspec=@connlabel={{0x28, 'connlabel\x00'}, {0x80}}]}, @unspec=@CT0={0x48, 'CT\x00'}}, {{@uncond, 0x0, 0xd8, 0x148, 0x0, {}, [@common=@unspec=@connlabel={{0x28, 'connlabel\x00'}}, @common=@set={{0x40, 'set\x00'}}]}, @common=@unspec=@NFLOG={0x70, 'NFLOG\x00', 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, "e36212d8cd4773c2763dd9509f1ca8c7a4aae4a1071642904def186662eb193ea840ee1f68f9b2c23e8e844568fdde4195250e9cd4e3e9d3ede046f8a999c765"}}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x378)

09:02:51 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf9870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:51 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa18a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  549.020458][T20237] loop4: detected capacity change from 264192 to 0
[  549.175702][   T34] audit: type=1804 audit(1608627771.547:791): pid=20237 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/249/file1/file0" dev="sda1" ino=16384 res=1 errno=0
09:02:51 executing program 2:
r0 = socket$inet6(0xa, 0x3, 0x4)
connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4e21, 0x7fffffff, @empty}, 0x1c)
socketpair(0x1d, 0x1, 0x1, &(0x7f0000000040)={<r1=>0xffffffffffffffff})
r2 = socket$inet6_udplite(0xa, 0x2, 0x88)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$inet6_mreq(r2, 0x29, 0x1b, &(0x7f0000000300)={@mcast1}, 0x14)
sendmsg$NL80211_CMD_GET_WIPHY(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x28, 0x0, 0x220, 0x70bd2b, 0x25dfdbfb, {{}, {@val={0x8, 0x1, 0x6e}, @void, @val={0xc, 0x99, {0xfffff2c9}}}}, ["", "", "", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x880}, 0x4008044)
r4 = socket$packet(0x11, 0x2, 0x300)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', <r5=>0x0})
setsockopt$packet_add_memb(r4, 0x107, 0x1, &(0x7f0000000080)={r5, 0x1, 0x6, @local}, 0x10)
ioctl$sock_inet6_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000140)={@local, 0x7f, r5})
accept$inet6(r2, &(0x7f00000000c0)={0xa, 0x0, 0x0, @private0}, &(0x7f0000000100)=0x1c)
setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000080)=0x1, 0x4)
r6 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=@RTM_NEWNSID={0x14, 0x58, 0x1}, 0x14}}, 0x0)

[  549.280927][T20248] batman_adv: Cannot find parent device
[  549.370804][T20249] batman_adv: Cannot find parent device
09:02:51 executing program 5:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=@dellink={0x28, 0x11, 0x4514af344543b56b, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0x80000001}]}, 0x28}}, 0x0)

09:02:51 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f0000000040)=@security={'security\x00', 0xe, 0x4, 0x2b0, 0xffffffff, 0xd0, 0xd0, 0x0, 0xffffffff, 0xffffffff, 0x218, 0x218, 0x218, 0xffffffff, 0x4, 0x0, {[{{@ip={@private, @empty, 0x0, 0xffffffff, 'wlan0\x00', 'xfrm0\x00'}, 0x0, 0x70, 0xd0}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x0, @remote}}}, {{@ip={@dev, @rand_addr, 0x0, 0x0, 'veth0_to_hsr\x00', 'bridge0\x00'}, 0x0, 0x70, 0xb0}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0x0, 0x0, "fe24a942c20bd6f8af5d26ec01e6a89ad55205cd9e85abcc431256e4c114"}}}, {{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @rand_addr, 0x0, 0x0, 'veth1_to_hsr\x00', 'macvlan0\x00'}, 0x0, 0x70, 0x98}, @common=@unspec=@NFQUEUE1={0x28, 'NFQUEUE\x00'}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x310)

09:02:51 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa28a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  549.517770][T20259] device batadv_slave_1 entered promiscuous mode
09:02:51 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfa870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:51 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0x0, &(0x7f0000000280)={0xc, 0x8d}, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  549.567691][T20258] device batadv_slave_1 left promiscuous mode
[  549.630036][T20259] device batadv_slave_1 entered promiscuous mode
[  549.644596][T20258] device batadv_slave_1 left promiscuous mode
[  549.672261][T20268] x_tables: duplicate underflow at hook 2
[  549.704898][T20267] batman_adv: Cannot find parent device
09:02:52 executing program 5:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
bind$alg(r1, 0x0, 0x0)

09:02:52 executing program 2:
r0 = socket(0x11, 0x2, 0x0)
sendmsg$sock(r0, &(0x7f0000000b00)={&(0x7f0000000240)=@nfc_llcp={0x27, 0x1, 0x0, 0x0, 0x0, 0x0, "ba01d74f593fa17f5d23f71b623384d28e91ab638996f80053b04f50219b4bed61ee59dddbbf005ea36e0042ecf1c93c1d5b641b1b855cf47c7421039c38c3"}, 0x80, 0x0, 0x0, &(0x7f0000000a80)=[@mark={{0x10}}, @timestamping={{0x10}}], 0x20}, 0x0)

[  549.767910][T20269] batman_adv: Cannot find parent device
09:02:52 executing program 3:
socketpair(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000040))

[  549.844006][T20277] loop4: detected capacity change from 264192 to 0
09:02:52 executing program 2:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
perf_event_open(&(0x7f0000000000)={0x1000000002, 0x70, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f00000008c0)={'filter\x00', 0x7, 0x4, 0x3d0, 0x0, 0x0, 0xe8, 0x2e8, 0x2e8, 0x2e8, 0x4, 0x0, {[{{@arp={@empty, @empty, 0x0, 0x0, 0x0, 0x0, {@mac=@link_local}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'wg0\x00', 'bridge_slave_0\x00'}, 0xc0, 0xe8}, @unspec=@STANDARD={0x28, '\x00', 0x0, 0xe8}}, {{@arp={@broadcast, @multicast2, 0x0, 0x0, 0x0, 0x0, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'lo\x00', 'syzkaller0\x00'}, 0xc0, 0x100}, @unspec=@ERROR={0x40, 'ERROR\x00', 0x0, "0bfa32699cb34fcf4cc879ff1a946ccc0b8fbe086a43fb308a45405bd236"}}, {{@arp={@rand_addr, @private, 0x0, 0x0, 0x0, 0x0, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'rose0\x00', 'gretap0\x00'}, 0xc0, 0x100}, @unspec=@ERROR={0x40, 'ERROR\x00', 0x0, "c462bac9d3f09d72f1450e10eddd1438e600"}}], {{[], 0xc0, 0xe8}, {0x28}}}}, 0x3c)
syz_emit_ethernet(0x2a, &(0x7f0000000000)={@multicast, @remote, @void, {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x0, @broadcast, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, @dev}}}}, 0x0)

09:02:52 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa38a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:52 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfb870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  550.141059][   T34] audit: type=1804 audit(1608627772.517:792): pid=20280 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/250/file0" dev="sda1" ino=15761 res=1 errno=0
09:02:52 executing program 5:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
getsockopt$inet6_tcp_buf(r0, 0x6, 0x3, 0x0, &(0x7f00000001c0))

09:02:52 executing program 3:
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r1, r0, 0x0)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
mount$fuse(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0)

[  550.345150][T20296] batman_adv: Cannot find parent device
09:02:52 executing program 2:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000040)=@filter={'filter\x00', 0xe, 0x4, 0x460, 0xffffffff, 0x0, 0x0, 0x2c0, 0xffffffff, 0xffffffff, 0x390, 0x390, 0x390, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@mcast1, @initdev={0xfe, 0x88, [], 0x0, 0x0}, [], [], 'bridge_slave_1\x00', 'macvtap0\x00'}, 0x0, 0x100, 0x138, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'vlan0\x00', {0x0, 0x0, 0xffffffe1, 0x8000, 0x400, 0x3, 0x6}}}]}, @common=@inet=@SET3={0x38, 'SET\x00'}}, {{@uncond, 0x0, 0x160, 0x188, 0x0, {}, [@common=@mh={{0x28, 'mh\x00'}, {'9V'}}, @common=@srh1={{0x90, 'srh\x00'}, {0x0, 0x0, 0x0, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @private1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}}]}, @REJECT={0x28, 'REJECT\x00'}}, {{@ipv6={@local, @private2, [], [], 'veth1_to_batadv\x00', 'lo\x00'}, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x4c0)

[  550.388853][T20297] batman_adv: Cannot find parent device
09:02:52 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:52 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfc870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:52 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa48a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:52 executing program 5:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@ipv6_delroute={0x24, 0x19, 0x605, 0x0, 0x0, {}, [@RTA_ENCAP_TYPE={0x6, 0x15, 0x4}]}, 0x24}}, 0x0)

[  550.561160][T20313] x_tables: duplicate underflow at hook 2
09:02:53 executing program 3:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=@ipv4_newrule={0x30, 0x20, 0x3dfeb085d9fddf33, 0x0, 0x0, {}, [@FRA_GENERIC_POLICY=@FRA_OIFNAME={0x14, 0x11, 'batadv_slave_0\x00'}]}, 0x30}}, 0x0)

09:02:53 executing program 2:
socketpair(0x1, 0x2, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff})
setsockopt$inet_tcp_TLS_RX(r0, 0x6, 0x2, 0x0, 0x0)

[  550.782534][T20318] batman_adv: Cannot find parent device
[  550.829669][T20323] batman_adv: Cannot find parent device
[  550.885026][T20325] loop4: detected capacity change from 264192 to 0
09:02:53 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000300)={0x0, {0x2, 0x0, @empty}, {0x2, 0x0, @private}, {0x2, 0x4e23, @empty}, 0x8, 0x0, 0x0, 0x0, 0x7fff, &(0x7f00000002c0)='lo\x00', 0x6, 0x1ff, 0x3f})

[  550.961041][   T34] audit: type=1804 audit(1608627773.337:793): pid=20334 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/251/file0" dev="sda1" ino=15761 res=1 errno=0
09:02:53 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_tcp_buf(r0, 0x6, 0xb, 0x0, &(0x7f0000000300))

09:02:53 executing program 5:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=@ipv4_newrule={0x24, 0x20, 0x615, 0x0, 0x0, {0x2, 0x10}, [@FRA_DST={0x8, 0x1, @empty}]}, 0x24}}, 0x0)

09:02:53 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfd870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:53 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa5010000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:53 executing program 2:
timer_create(0x3, 0x0, &(0x7f0000000100))
clock_gettime(0x0, &(0x7f00000001c0)={0x0, <r0=>0x0})
timer_settime(0x0, 0x0, &(0x7f0000000200)={{0x0, 0x3938700}, {0x0, r0+10000000}}, 0x0)
timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x3938700}}, &(0x7f0000000340))

[  551.391375][T20345] batman_adv: Cannot find parent device
[  551.517083][T20349] batman_adv: Cannot find parent device
09:02:54 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:54 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfe870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:54 executing program 5:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000580)=@filter={'filter\x00', 0xe, 0x4, 0x3d0, 0xffffffff, 0x230, 0x160, 0x230, 0xffffffff, 0xffffffff, 0x300, 0x300, 0x300, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@mcast1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', [], [], 'bridge_slave_1\x00', 'macvtap0\x00'}, 0x0, 0x100, 0x160, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'vlan0\x00', {0x0, 0x0, 0xffffffe1, 0x0, 0x0, 0x3, 0x6}}}]}, @common=@inet=@HMARK={0x60, 'HMARK\x00', 0x0, {@ipv6=@remote}}}, {{@uncond, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00'}}, {{@ipv6={@local, @private2, [], [], 'veth1_to_batadv\x00', 'lo\x00'}, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x430)

09:02:54 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa58a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:54 executing program 3:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
r0 = gettid()
perf_event_open(&(0x7f0000000000)={0x1000000002, 0x70, 0x13, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x4aa6, 0x3}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80}, 0x0, 0x0, 0xffffffffffffffff, 0x1)
process_vm_writev(r0, &(0x7f0000000000)=[{&(0x7f00008f9f09)=""/247, 0xf7}], 0x1, &(0x7f0000121000), 0x0, 0x0)
r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
r3 = socket$inet(0x2, 0x4000000000000001, 0x0)
setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, 0x0, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x80000000000002, &(0x7f0000000280)=0x200, 0x4)
bind$inet(r3, &(0x7f0000000380)={0x2, 0x200000000004e23, @local}, 0x10)
timer_getoverrun(0x0)
sendto$inet(r3, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10)
setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0)
socketpair$unix(0x1, 0x0, 0x0, 0x0)
sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
recvmsg(r3, &(0x7f0000000240)={0x0, 0x0, 0x0}, 0x0)
r4 = syz_genetlink_get_family_id$netlbl_calipso(0x0)
write$binfmt_elf64(r3, &(0x7f0000000400)=ANY=[@ANYRES32=r3, @ANYRESDEC=r4, @ANYRESDEC, @ANYRESDEC=r2, @ANYRESDEC, @ANYBLOB="67500a62ef93824fa66a76b358243f9b4d7a87b6a34f57b6418fbe0cfffca1f11376f461b04b1e2e55620a15459def3fbcec1206e00444a1a7d17dc3f8d80b707ee4b62391a1042e0ffc5b78c8e533b61db72d0b1ef000fac9878d3035bb3ea3f592"], 0x100000530)

09:02:54 executing program 2:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000040)=@filter={'filter\x00', 0xe, 0x4, 0x460, 0xffffffff, 0x0, 0x0, 0x2c0, 0xffffffff, 0xffffffff, 0x390, 0x390, 0x390, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@mcast1, @initdev={0xfe, 0x88, [], 0x0, 0x0}, [0x0, 0xff000000], [], 'bridge_slave_1\x00', 'macvtap0\x00', {}, {0xff}, 0x0, 0x59, 0x0, 0x10}, 0x0, 0x100, 0x138, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'vlan0\x00', {0x0, 0x40, 0xffffffe1, 0x0, 0x0, 0x3, 0x6}}}]}, @common=@inet=@SET3={0x38, 'SET\x00'}}, {{@uncond, 0x0, 0x160, 0x188, 0x0, {}, [@common=@mh={{0x28, 'mh\x00'}, {'9V'}}, @common=@srh1={{0x90, 'srh\x00'}, {0x0, 0x0, 0x0, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @private1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}}]}, @REJECT={0x28, 'REJECT\x00'}}, {{@ipv6={@local, @private2, [], [], 'veth1_to_batadv\x00', 'lo\x00', {0xff}}, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x4c0)

[  551.811417][T20363] batman_adv: Cannot find parent device
[  551.822395][T20366] x_tables: duplicate underflow at hook 2
[  551.922398][T20369] batman_adv: Cannot find parent device
09:02:54 executing program 5:
socketpair(0xa, 0x2, 0x0, 0x0)

09:02:54 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa68a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  552.013512][T20377] x_tables: duplicate underflow at hook 2
[  552.030594][T20376] loop4: detected capacity change from 264192 to 0
09:02:54 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfeff0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:54 executing program 2:
timer_create(0x0, &(0x7f00000001c0)={0x0, 0x0, 0x1, @thr={0x0, 0x0}}, &(0x7f0000000200))
timer_settime(0x0, 0x1, &(0x7f0000000000)={{0x77359400}, {0x0, 0x989680}}, 0x0)
timer_gettime(0x0, &(0x7f0000000140))

[  552.332895][T20387] batman_adv: Cannot find parent device
[  552.381490][   T34] audit: type=1804 audit(1608627774.747:794): pid=20384 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/252/file0" dev="sda1" ino=16370 res=1 errno=0
09:02:54 executing program 5:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='wlan1\x00', 0x10)
connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @multicast2}, 0x10)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={<r1=>0xffffffffffffffff})
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
sendmmsg(r0, &(0x7f0000007fc0), 0x400000000000070, 0x0)

09:02:55 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$ETHTOOL_MSG_LINKMODES_GET(r0, &(0x7f0000001f80)={0x0, 0x0, &(0x7f0000001f40)={0x0}}, 0x0)

[  552.642745][T20395] batman_adv: Cannot find parent device
09:02:55 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:55 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa78a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:55 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfeffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:55 executing program 3:
mount(0x0, 0x0, &(0x7f00000000c0)='vxfs\x00', 0x807, 0x0)
r0 = getpgid(0x0)
perf_event_open(&(0x7f0000000700)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
ftruncate(r1, 0x1)
lseek(r1, 0x1200, 0x0)
r2 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
sendfile(r1, r2, 0x0, 0x8400fffffffa)
r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
lseek(r3, 0x1200, 0x0)
r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
ftruncate(r4, 0x0)
lseek(r4, 0x1200, 0x0)
r5 = open(0x0, 0x0, 0x0)
sendfile(r4, r5, 0x0, 0x8400fffffffa)
execveat(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x800)
open(&(0x7f0000000280)='./bus\x00', 0x0, 0x10)

09:02:55 executing program 2:
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendto(r0, &(0x7f0000000040)="120000001200e7ef007b0000f4afd7030a7c", 0x12, 0x0, 0x0, 0x0)
recvmmsg(r0, &(0x7f00000020c0), 0x3a4, 0x0, &(0x7f0000000000)={0x77359400})

[  552.897520][T20410] batman_adv: Cannot find parent device
[  552.953152][T20414] batman_adv: Cannot find parent device
09:02:55 executing program 5:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
getsockopt$bt_hci(r0, 0x0, 0x2, &(0x7f0000000000)=""/142, &(0x7f00000000c0)=0x8e)

[  553.014287][T20420] loop4: detected capacity change from 264192 to 0
09:02:55 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa8030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  553.209570][   T34] audit: type=1804 audit(1608627775.587:795): pid=20425 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:55 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa88a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  553.264582][T20435] batman_adv: Cannot find parent device
09:02:55 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff0f0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  553.341546][   T34] audit: type=1804 audit(1608627775.717:796): pid=20429 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:55 executing program 2:
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendto(r0, &(0x7f0000000040)="120000001200e7ef007b0000f4afd7030a7c", 0x12, 0x0, 0x0, 0x0)
recvmmsg(r0, &(0x7f00000020c0), 0x3a4, 0x0, &(0x7f0000000000)={0x77359400})

[  553.551776][   T34] audit: type=1804 audit(1608627775.927:797): pid=20425 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:56 executing program 5:
syz_mount_image$vfat(&(0x7f00000000c0)='vfat\x00', &(0x7f00000001c0)='./file3\x00', 0x407fffffff, 0x1, &(0x7f0000000280)=[{&(0x7f0000000040)="eb3c906d6b66732e66617400028001000240000004f801", 0x17}], 0x0, &(0x7f00000009c0)=ANY=[])
fspick(0xffffffffffffff9c, &(0x7f0000000180)='./file3\x00', 0x0)

[  553.601109][T20444] batman_adv: Cannot find parent device
[  553.689339][T20443] batman_adv: Cannot find parent device
[  553.698832][   T34] audit: type=1804 audit(1608627776.077:798): pid=20425 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:56 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:56 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff7f0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:56 executing program 2:
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendto(r0, &(0x7f0000000040)="120000001200e7ef007b0000f4afd7030a7c", 0x12, 0x0, 0x0, 0x0)
recvmmsg(r0, &(0x7f00000020c0), 0x3a4, 0x0, &(0x7f0000000000)={0x77359400})

09:02:56 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xa98a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  553.870149][   T34] audit: type=1804 audit(1608627776.077:799): pid=20425 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
[  553.900791][T20455] loop5: detected capacity change from 264192 to 0
09:02:56 executing program 3:
r0 = openat$udambuf(0xffffffffffffff9c, &(0x7f0000000240)='/dev/udmabuf\x00', 0x2)
ioctl$UDMABUF_CREATE_LIST(r0, 0x40087543, &(0x7f0000000280))

[  554.006223][   T34] audit: type=1804 audit(1608627776.107:800): pid=20429 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
[  554.039882][   T34] audit: type=1804 audit(1608627776.147:801): pid=20454 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:56 executing program 5:
syz_mount_image$vfat(&(0x7f00000002c0)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[])
chdir(&(0x7f0000000040)='./file0\x00')
r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
ftruncate(r0, 0x800)
lseek(r0, 0x8, 0x0)
r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
sendfile(r0, r1, 0x0, 0x8400fffffffa)

[  554.091870][   T34] audit: type=1804 audit(1608627776.177:802): pid=20429 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir251509169/syzkaller.sEKCF9/317/bus" dev="sda1" ino=15841 res=1 errno=0
09:02:56 executing program 2:
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, 0x0, 0x0)
r0 = socket(0x10, 0x803, 0x0)
sendto(r0, &(0x7f0000000040)="120000001200e7ef007b0000f4afd7030a7c", 0x12, 0x0, 0x0, 0x0)
recvmmsg(r0, &(0x7f00000020c0), 0x3a4, 0x0, &(0x7f0000000000)={0x77359400})

[  554.169816][T20467] batman_adv: Cannot find parent device
[  554.238089][T20466] batman_adv: Cannot find parent device
09:02:56 executing program 3:
syz_mount_image$vfat(&(0x7f00000002c0)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[])
chdir(&(0x7f0000000040)='./file0\x00')
r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0x8400fffffffa)

09:02:56 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xaa8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  554.394761][T20478] loop4: detected capacity change from 264192 to 0
09:02:56 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff870100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  554.573722][T20487] loop5: detected capacity change from 264192 to 0
[  554.633270][T20487] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
09:02:57 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x0, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  554.688529][T20495] batman_adv: Cannot find parent device
09:02:57 executing program 2:
openat$bsg(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bsg\x00', 0x80c0, 0x0)

[  554.772080][T20493] loop3: detected capacity change from 264192 to 0
09:02:57 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfff00000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  554.839500][T20493] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
09:02:57 executing program 2:
syz_80211_inject_frame(&(0x7f0000000300)=@broadcast, 0x0, 0x0)

[  554.934048][T20504] batman_adv: Cannot find parent device
[  554.978397][T20510] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
09:02:57 executing program 3:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000000)=0x6, 0x1)

09:02:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xab8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  555.181059][T20515] batman_adv: Cannot find parent device
[  555.243047][T20513] loop4: detected capacity change from 264192 to 0
09:02:57 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffff0300, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  555.305585][T20510] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
[  555.588167][T20532] batman_adv: Cannot find parent device
09:02:58 executing program 5:
syz_open_dev$usbfs(&(0x7f0000000140)='/dev/bus/usb/00#/00#\x00', 0x0, 0x0)

09:02:58 executing program 3:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001900)={0x18, 0x1, &(0x7f00000007c0)=@raw=[@alu], &(0x7f0000000840)='GPL\x00', 0x0, 0x1000, &(0x7f0000000880)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)

09:02:58 executing program 2:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x1, &(0x7f0000000040)=@raw=[@ldst], &(0x7f0000000080)='GPL\x00', 0x6, 0x87, &(0x7f00000000c0)=""/135, 0x0, 0x2, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78)

09:02:58 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffa888, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  555.747043][T20536] batman_adv: Cannot find parent device
09:02:58 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x0, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xac8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:58 executing program 3:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
bind$bt_hci(r0, &(0x7f0000000240), 0x6)

09:02:58 executing program 5:
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000a80)={0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30)

09:02:58 executing program 2:
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
r1 = dup(r0)
ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200)
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='ramfs\x00', 0x0, 0x0)
r2 = open(&(0x7f0000021000)='./file0\x00', 0x0, 0x0)
r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0)
dup3(r3, r2, 0x0)

[  556.054310][T20552] batman_adv: Cannot find parent device
[  556.069422][   T34] kauditd_printk_skb: 6 callbacks suppressed
[  556.069439][   T34] audit: type=1804 audit(1608627778.438:809): pid=20554 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/256/file0" dev="sda1" ino=16366 res=1 errno=0
[  556.134586][T20553] batman_adv: Cannot find parent device
09:02:58 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x0, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:02:58 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffff000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xad8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  556.232067][   T34] audit: type=1804 audit(1608627778.478:810): pid=20551 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/256/file0" dev="sda1" ino=16366 res=1 errno=0
09:02:58 executing program 5:
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 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, 0x0, 0xffffffffffffffff, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00')
preadv(r0, &(0x7f00000017c0), 0x1a2, 0x0, 0x0)

09:02:58 executing program 3:
perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x7e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f0000000040)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x0, 0x11, r0, 0x0)
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(0xffffffffffffffff, 0xc0bc5310, 0x0)

[  556.443571][T20577] batman_adv: Cannot find parent device
[  556.456615][T20575] loop4: detected capacity change from 264192 to 0
09:02:58 executing program 2:
perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x7e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
setitimer(0x2, &(0x7f0000000180)={{}, {0x0, 0x2710}}, 0x0)

[  556.522393][T20582] batman_adv: Cannot find parent device
[  556.594704][   T34] audit: type=1804 audit(1608627778.968:811): pid=20586 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/257/file0" dev="sda1" ino=16383 res=1 errno=0
09:02:59 executing program 3:
r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x0, 0x0)
ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000100)={0x2, 0x0, {0x0, 0x0, 0x0, 0x18, 0x0, 0x60}})
r1 = dup3(r0, 0xffffffffffffffff, 0x0)
ioctl$GIO_CMAP(r1, 0x4b70, &(0x7f0000000540))
read$FUSE(0xffffffffffffffff, 0x0, 0x0)
perf_event_open(&(0x7f00000004c0)={0x2, 0x70, 0x7e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}, 0x0, 0x0, 0x0, 0x0, 0x800000000, 0x0, 0x8}, 0x0, 0x0, r1, 0x0)
socket$inet6_tcp(0xa, 0x1, 0x0)
openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0)
clone(0x20001000104, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff)
ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000580))
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f0000000000)=@nat={'nat\x00', 0x62, 0x5, 0x450, 0x2c0, 0x2c0, 0xffffffff, 0x0, 0x110, 0x3b8, 0x3b8, 0xffffffff, 0x3b8, 0x3b8, 0x5, 0x0, {[{{@ip={@remote, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 'veth0_to_bond\x00', 'bridge_slave_1\x00'}, 0x0, 0xd8, 0x110, 0x0, {}, [@common=@unspec=@statistic={{0x38, 'statistic\x00'}}, @common=@addrtype={{0x30, 'addrtype\x00'}}]}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x0, @empty, @private, @port, @gre_key}}}}, {{@ip={@broadcast, @multicast1, 0x0, 0x0, 'nr0\x00', 'veth1_to_batadv\x00'}, 0x0, 0x70, 0xa8}, @SNAT0={0x38, 'SNAT\x00', 0x0, {0x4, {0x0, @multicast1, @remote, @icmp_id, @gre_key}}}}, {{@ip={@broadcast, @multicast1, 0x0, 0x0, 'veth1_to_team\x00', 'veth0_to_team\x00'}, 0x0, 0xd0, 0x108, 0x0, {}, [@common=@socket0={{0x20, 'socket\x00'}}, @common=@unspec=@connlimit={{0x40, 'connlimit\x00'}}]}, @DNAT0={0x38, 'DNAT\x00', 0x0, {0x1, {0x0, @private, @rand_addr, @gre_key, @gre_key}}}}, {{@ip={@remote, @rand_addr, 0x0, 0x0, 'veth1_to_batadv\x00', 'netdevsim0\x00'}, 0x0, 0xc0, 0xf8, 0x0, {}, [@common=@unspec=@cgroup0={{0x28, 'cgroup\x00'}}, @common=@ttl={{0x28, 'ttl\x00'}}]}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x0, @loopback, @broadcast, @icmp_id}}}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x4b0)
openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0)
bind$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @local}, 0x1c)

09:02:59 executing program 5:
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 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, 0x0, 0xffffffffffffffff, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00')
preadv(r0, &(0x7f00000017c0), 0x1a2, 0x0, 0x0)

09:02:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xae8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:59 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffff7f, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:02:59 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  556.971311][T20600] batman_adv: Cannot find parent device
09:02:59 executing program 2:
r0 = socket$inet6(0xa, 0x2, 0x0)
r1 = dup(r0)
ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200)
r2 = socket(0x11, 0x800000003, 0x0)
bind(r2, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80)
getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14)
r4 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000240)=@newqdisc={0x64, 0x24, 0xd8b, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c}, {0x4}}]}, @TCA_EGRESS_BLOCK={0x8, 0xe, 0xff}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x6}, @qdisc_kind_options=@q_clsact={0xb, 0x1, 'clsact\x00'}]}, 0x64}}, 0x0)

[  557.024375][T20603] xt_nat: multiple ranges no longer supported
09:02:59 executing program 5:
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 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, 0x0, 0xffffffffffffffff, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00')
preadv(r0, &(0x7f00000017c0), 0x1a2, 0x0, 0x0)

09:02:59 executing program 3:
r0 = creat(&(0x7f0000000280)='./file0\x00', 0x3)
write$binfmt_script(r0, &(0x7f0000000380)=ANY=[@ANYBLOB='*'], 0x191)
close(r0)
execve(&(0x7f0000000180)='./file0\x00', 0x0, 0x0)

[  557.131022][T20612] batman_adv: Cannot find parent device
09:02:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xaf8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  557.244689][T20618] loop4: detected capacity change from 264192 to 0
09:02:59 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffff9e, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  557.378482][   T34] audit: type=1804 audit(1608627779.758:812): pid=20626 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/258/file1/file0" dev="sda1" ino=16383 res=1 errno=0
[  557.492968][T20628] batman_adv: Cannot find parent device
[  557.556992][T20637] batman_adv: Cannot find parent device
09:02:59 executing program 2:
syz_fuse_handle_req(0xffffffffffffffff, &(0x7f0000000000)="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", 0x2000, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00'})
poll(&(0x7f0000002080)=[{r0}], 0x1, 0x5c)
r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)

09:03:00 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffffe4, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:00 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb08a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:00 executing program 3:
syz_mount_image$vfat(&(0x7f00000001c0)='vfat\x00', 0x0, 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480))

09:03:00 executing program 5:
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 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, 0x0, 0xffffffffffffffff, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00')
preadv(r0, &(0x7f00000017c0), 0x1a2, 0x0, 0x0)

[  557.846420][T20649] batman_adv: Cannot find parent device
09:03:00 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:00 executing program 2:
perf_event_open(&(0x7f0000000680)={0x2, 0x70, 0x7f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snd/seq\x00', 0x0)
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r0, 0xc0605345, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x0, 0x8}, 0x6})

[  557.979420][T20657] batman_adv: Cannot find parent device
09:03:00 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffffff0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:00 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb18a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:00 executing program 3:
syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x4, 0x9a60ed09ac0a3e64)

09:03:00 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffffffe, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  558.229352][T20678] batman_adv: Cannot find parent device
[  558.252448][T20679] loop4: detected capacity change from 264192 to 0
09:03:00 executing program 2:
perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x7e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = socket$netlink(0x10, 0x3, 0xc)
writev(r0, &(0x7f000037d000)=[{&(0x7f0000199fe1)="1f00000002031900000007000000068100ed853b09000100010100ff3ffe58", 0x1f}], 0x1)

09:03:00 executing program 5:
perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x7e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = socket$netlink(0x10, 0x3, 0xc)
writev(r0, &(0x7f000037d000)=[{&(0x7f0000199fe1)="1f00000002031900000007000000068100ed853b09000100010100ff3ffe58", 0x1f}], 0x1)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f0000000000)=@raw={'raw\x00', 0x3c1, 0x3, 0x330, 0x0, 0xffffff80, 0x178, 0x0, 0xc7, 0x260, 0x258, 0x258, 0x260, 0x258, 0x3, 0x0, {[{{@ipv6={@mcast1, @mcast2, [], [], 'macvlan1\x00', 'team_slave_1\x00'}, 0x0, 0x100, 0x120, 0x0, {}, [@common=@unspec=@connmark={{0x30, 'connmark\x00'}}, @common=@unspec=@state={{0x28, 'state\x00'}}]}, @unspec=@NOTRACK={0x20, 'NOTRACK\x00'}}, {{@ipv6={@dev, @private0, [], [], 'veth0_to_team\x00', 'hsr0\x00'}, 0x0, 0xf8, 0x140, 0x0, {}, [@inet=@rpfilter={{0x28, 'rpfilter\x00'}}, @inet=@rpfilter={{0x28, 'rpfilter\x00'}}]}, @unspec=@CT0={0x48, 'CT\x00', 0x0, {0x0, 0x0, 0x0, 0x0, 'snmp\x00'}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x390)

[  558.399359][   T34] audit: type=1804 audit(1608627780.778:813): pid=20688 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/259/file1/file0" dev="sda1" ino=16366 res=1 errno=0
[  558.577982][T20690] batman_adv: Cannot find parent device
[  558.606888][T20701] xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables
09:03:01 executing program 2:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x1c, 0x3, &(0x7f00000001c0)=@framed, &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x74)

[  558.674822][T20701] xt_CT: You must specify a L4 protocol and not use inversions on it
[  558.689892][T20702] batman_adv: Cannot find parent device
09:03:01 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
sendmsg$AUDIT_GET(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x4040)

09:03:01 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb2030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  558.764650][T20706] xt_CT: You must specify a L4 protocol and not use inversions on it
09:03:01 executing program 5:
socketpair(0x10, 0x2, 0x21, &(0x7f0000000000))

09:03:01 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:01 executing program 2:
bpf$MAP_CREATE(0x0, &(0x7f0000000240)={0x13}, 0x40)

09:03:01 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  558.999864][T20713] batman_adv: Cannot find parent device
09:03:01 executing program 3:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x0, 0x4, &(0x7f00000001c0)=@framed={{}, [@generic]}, &(0x7f0000000080)='syzkaller\x00', 0x0, 0x4c, &(0x7f0000000240)=""/76, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f00000002c0), 0x8, 0x10, &(0x7f0000000300), 0x10}, 0xb6)

09:03:01 executing program 5:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x12, 0x3, &(0x7f00000001c0)=@framed, &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x74)

[  559.109094][T20722] batman_adv: Cannot find parent device
09:03:01 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb28a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:01 executing program 2:
prctl$PR_SET_SECCOMP(0x29, 0x0, &(0x7f0000001180)={0x0, 0x0})

09:03:01 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x8, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:01 executing program 3:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000001180)={0x2, &(0x7f0000001100)=[{0x64}, {0x16}]})

09:03:01 executing program 5:
r0 = openat$urandom(0xffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x0)
ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0xfff)

[  559.350208][T20734] loop4: detected capacity change from 264192 to 0
[  559.413929][T20736] batman_adv: Cannot find parent device
[  559.517699][   T34] audit: type=1804 audit(1608627781.898:814): pid=20748 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/260/file0" dev="sda1" ino=16375 res=1 errno=0
09:03:01 executing program 2:
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0xa, &(0x7f0000000000)=0x7, 0x4)
sendmsg$DCCPDIAG_GETSOCK(r0, &(0x7f0000001440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000001400)={&(0x7f0000000080)={0x10d8, 0x13, 0x1, 0x0, 0x0, {0x21, 0xfd, 0x2, 0x4, {0x4e21, 0x4e21, [0x0, 0x0, 0x6, 0xf6], [0xd366, 0x6], 0x0, [0x0, 0x7]}, 0x2, 0xfff}, [@INET_DIAG_REQ_BYTECODE={0x6f, 0x1, "b398eca626b2ecf937d160869d57eaf4f040896cb6c0ec4ceb206066f8beebbb192de31beb307131ba47c3474e1a1cf3f2500b76203f46f0ad2e142c9f4dd7113e9fa43fddc099bf39d596c79070cec568e2aaa60ed08250dfb6c7570e7bb70fb6843c32c0ba765faa51fb"}, @INET_DIAG_REQ_BYTECODE={0x5, 0x1, "d1"}, @INET_DIAG_REQ_BYTECODE={0xfd4, 0x1, "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"}, @INET_DIAG_REQ_BYTECODE={0x4}, @INET_DIAG_REQ_BYTECODE={0x8, 0x1, "2f29371b"}, @INET_DIAG_REQ_BYTECODE={0x32, 0x1, "a618171df6f8b29e5bb4c6a5aba4d3a3a8e02c4f39dd8dab1696dd35bc775dbb0e6ea7a37d3d56b503a157425899"}]}, 0x10d8}, 0x1, 0x0, 0x0, 0x4000}, 0x4040000)

09:03:02 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb380159c, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  559.671351][   T34] audit: type=1326 audit(1608627782.048:815): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20745 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
[  559.770533][T20754] netlink: 4272 bytes leftover after parsing attributes in process `syz-executor.2'.
[  559.797853][T20755] netlink: 4272 bytes leftover after parsing attributes in process `syz-executor.2'.
09:03:02 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(0x0, &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  559.948576][T20758] batman_adv: Cannot find parent device
09:03:02 executing program 2:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000001180)={0x2, &(0x7f0000001100)=[{0x24}, {0x16}]})

09:03:02 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xf, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:02 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$sock_attach_bpf(r0, 0x1, 0x2, &(0x7f0000000000), 0x2c)

09:03:02 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb38a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:02 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$sock_attach_bpf(r0, 0x10e, 0x2, 0x0, 0x0)

[  560.117598][   T34] audit: type=1326 audit(1608627782.498:816): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20764 comm="syz-executor.2" exe="/root/syz-executor.2" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
09:03:02 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x10, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  560.257549][T20774] loop4: detected capacity change from 264192 to 0
[  560.264721][T20772] batman_adv: Cannot find parent device
09:03:02 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x25, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  560.428173][   T34] audit: type=1326 audit(1608627782.808:817): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20745 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
09:03:02 executing program 3:
r0 = openat$full(0xffffff9c, &(0x7f0000000380)='/dev/full\x00', 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x18, 0x3, &(0x7f0000000340)=@framed, &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000400), 0x10}, 0x74)

09:03:02 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb48a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:02 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$DCCPDIAG_GETSOCK(r0, &(0x7f0000001440)={&(0x7f0000000040)={0x7}, 0xc, &(0x7f0000001400)={0x0}}, 0x0)

09:03:02 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(0x0, &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  560.590843][T20790] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.1'.
[  560.610193][T20794] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.1'.
[  560.652920][T20793] batman_adv: Cannot find parent device
09:03:03 executing program 3:
syz_mount_image$ext4(0x0, &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000240)='./file1\x00', 0x0)
mkdir(&(0x7f0000000180)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)={[{@workdir={'workdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './bus'}}]})

[  560.834352][T20802] loop4: detected capacity change from 264192 to 0
09:03:03 executing program 2:
perf_event_open(&(0x7f00000002c0)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
socketpair(0x15, 0x0, 0x0, &(0x7f0000000040))

09:03:03 executing program 5:
r0 = socket(0xa, 0x3, 0x80)
getsockopt$inet_pktinfo(r0, 0x0, 0x8, 0x0, 0x0)

09:03:03 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xc0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:03 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb58a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:03 executing program 3:
syz_mount_image$ext4(0x0, &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000240)='./file1\x00', 0x0)
mkdir(&(0x7f0000000180)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)={[{@workdir={'workdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './bus'}}]})

[  561.143263][   T34] audit: type=1804 audit(1608627783.518:818): pid=20811 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/262/file0" dev="sda1" ino=15708 res=1 errno=0
[  561.237455][T20815] batman_adv: Cannot find parent device
09:03:03 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(0x0, &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:03 executing program 5:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000001180)={0x2, &(0x7f0000001100)=[{0x2}, {0x16}]})

09:03:03 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xec0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:03 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb68a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:03 executing program 2:
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000001180)={0x2, &(0x7f0000001100)=[{0x5}, {0x16}]})

[  561.524807][   T34] audit: type=1326 audit(1608627783.898:819): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20828 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
[  561.562525][T20831] loop4: detected capacity change from 264192 to 0
[  561.663922][T20841] batman_adv: Cannot find parent device
[  561.686541][   T34] audit: type=1804 audit(1608627784.058:820): pid=20831 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/263/file0" dev="sda1" ino=16081 res=1 errno=0
09:03:04 executing program 3:
syz_mount_image$ext4(0x0, &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000240)='./file1\x00', 0x0)
mkdir(&(0x7f0000000180)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)={[{@workdir={'workdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './bus'}}]})

09:03:04 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x33fe0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  561.812572][   T34] audit: type=1326 audit(1608627784.188:821): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20838 comm="syz-executor.2" exe="/root/syz-executor.2" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
09:03:04 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb78a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:04 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', 0x0, 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:04 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x20000a80, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  562.061852][T20852] batman_adv: Cannot find parent device
[  562.066825][T20854] loop4: detected capacity change from 264192 to 0
[  562.172531][   T34] audit: type=1804 audit(1608627784.538:822): pid=20854 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/264/file0" dev="sda1" ino=15876 res=1 errno=0
09:03:04 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb88a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  562.305992][   T34] audit: type=1326 audit(1608627784.678:823): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20828 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
09:03:04 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$sock_attach_bpf(r0, 0x1, 0x9, &(0x7f0000000000), 0x2c)

09:03:04 executing program 3:
syz_mount_image$ext4(0x0, &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000240)='./file1\x00', 0x0)
mkdir(&(0x7f0000000180)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)={[{@workdir={'workdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './bus'}}]})

[  562.430292][T20866] batman_adv: Cannot find parent device
[  562.549090][   T34] audit: type=1326 audit(1608627784.919:824): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20838 comm="syz-executor.2" exe="/root/syz-executor.2" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460faa code=0x0
09:03:05 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xb98a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:05 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_group_source_req(r0, 0x0, 0x2d, &(0x7f0000000140)={0x0, {{0x2, 0x0, @local}}, {{0x2, 0x0, @empty}}}, 0x104)

09:03:05 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmsg$IPCTNL_MSG_TIMEOUT_GET(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x1, 0x8, 0x201, 0x0, 0x0, {0x7}}, 0x14}}, 0x0)

09:03:05 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', 0x0, 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:05 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x7ffff000, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  563.064103][T20889] batman_adv: Cannot find parent device
09:03:05 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmsg$IPCTNL_MSG_TIMEOUT_GET(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x1, 0x8, 0x201, 0x0, 0x0, {0x7}}, 0x14}}, 0x0)

09:03:05 executing program 5:
bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x0, 0x0, 0x0, 0x1917}, 0x40)

[  563.131089][T20890] loop4: detected capacity change from 264192 to 0
09:03:05 executing program 3:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000040)=@filter={'filter\x00', 0xe, 0x4, 0x460, 0xffffffff, 0x0, 0x0, 0x2c0, 0xffffffff, 0xffffffff, 0x390, 0x390, 0x390, 0xffffffff, 0x4, 0x0, {[{{@ipv6={@mcast1, @initdev={0xfe, 0x88, [], 0x0, 0x0}, [], [], 'bridge_slave_1\x00', 'macvtap0\x00'}, 0x0, 0x100, 0x138, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'vlan0\x00', {0x0, 0x0, 0xffffffe1, 0x8000, 0x400, 0x3, 0x6}}}]}, @common=@inet=@SET3={0x38, 'SET\x00'}}, {{@uncond, 0x0, 0x160, 0x188, 0x0, {}, [@common=@mh={{0x28, 'mh\x00'}, {'9V'}}, @common=@srh1={{0x90, 'srh\x00'}, {0x0, 0x0, 0x0, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @private1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', [0x0, 0xffffff00]}}]}, @REJECT={0x28, 'REJECT\x00'}}, {{@ipv6={@local, @private2, [], [], 'veth1_to_batadv\x00', 'lo\x00'}, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x4c0)

09:03:05 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xba8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  563.204142][   T34] audit: type=1804 audit(1608627785.569:825): pid=20896 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/265/file0" dev="sda1" ino=15741 res=1 errno=0
09:03:05 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x2, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:05 executing program 3:
semctl$SEM_STAT(0x0, 0x0, 0x12, &(0x7f0000001bc0)=""/51)

[  563.422992][T20909] batman_adv: Cannot find parent device
[  563.429034][T20910] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=20910 comm=syz-executor.1
09:03:05 executing program 5:
syz_mount_image$vfat(0x0, 0x0, 0x0, 0x2, &(0x7f0000001500)=[{&(0x7f0000000080)="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", 0xf81, 0x101}, {&(0x7f0000001100)="ba", 0x1, 0xffffffffffff0ac3}], 0x0, 0x0)

[  563.497221][T20914] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=20914 comm=syz-executor.1
09:03:05 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmsg$IPCTNL_MSG_TIMEOUT_GET(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x1, 0x8, 0x201, 0x0, 0x0, {0x7}}, 0x14}}, 0x0)

09:03:05 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xbb8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:06 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x3, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  563.759080][T20920] loop5: detected capacity change from 16138 to 0
[  563.888486][T20920] loop5: detected capacity change from 16138 to 0
[  563.890646][T20925] batman_adv: Cannot find parent device
09:03:06 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', 0x0, 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:06 executing program 3:
sched_rr_get_interval(0x0, &(0x7f0000001180))

09:03:06 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmsg$IPCTNL_MSG_TIMEOUT_GET(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x1, 0x8, 0x201, 0x0, 0x0, {0x7}}, 0x14}}, 0x0)

09:03:06 executing program 5:
clock_gettime(0x0, &(0x7f0000002d40))

[  563.954349][T20931] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=20931 comm=syz-executor.1
09:03:06 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xbc8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  564.054840][T20935] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=20935 comm=syz-executor.1
09:03:06 executing program 3:
syz_mount_image$vfat(&(0x7f0000001740)='vfat\x00', &(0x7f0000001780)='./file0\x00', 0x6, 0x0, &(0x7f0000001840), 0x800, &(0x7f0000001880))

09:03:06 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x4, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:06 executing program 2:
syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000240)=[{0x0, 0x0, 0xffff}], 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB='check=strict,hide'])

09:03:06 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
recvfrom(r0, 0x0, 0x0, 0x40012162, 0x0, 0xfefe)

[  564.218799][T20944] loop4: detected capacity change from 264192 to 0
[  564.242865][T20947] FAT-fs (loop3): bogus number of reserved sectors
[  564.275595][T20947] FAT-fs (loop3): Can't find a valid FAT filesystem
[  564.282372][T20946] batman_adv: Cannot find parent device
[  564.299067][   T34] audit: type=1804 audit(1608627786.679:826): pid=20955 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/266/file0" dev="sda1" ino=15745 res=1 errno=0
[  564.317895][T20957] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=20957 comm=syz-executor.1
[  564.416154][T20947] FAT-fs (loop3): bogus number of reserved sectors
[  564.434518][T20947] FAT-fs (loop3): Can't find a valid FAT filesystem
[  564.445288][T20966] loop2: detected capacity change from 255 to 0
[  564.464778][T20968] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=20968 comm=syz-executor.1
09:03:07 executing program 5:
syz_mount_image$vfat(0x0, 0x0, 0x0, 0x3, &(0x7f0000001500)=[{&(0x7f0000000080)="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", 0xf81, 0x101}, {&(0x7f0000001080)="af", 0x1}, {&(0x7f0000001100)="ba", 0x1, 0xffffffffffff0ac3}], 0x0, 0x0)

09:03:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xbd8a0100, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:07 executing program 3:
shmctl$IPC_SET(0x0, 0x1, &(0x7f00000001c0)={{0x2, 0x0, 0x0, 0x0, 0xee00}})

[  564.671514][T20966] isofs_fill_super: bread failed, dev=loop2, iso_blknum=64, block=128
[  564.835470][T20966] loop2: detected capacity change from 255 to 0
[  564.882611][T20966] isofs_fill_super: bread failed, dev=loop2, iso_blknum=64, block=128
[  564.966477][T20981] loop5: detected capacity change from 16138 to 0
09:03:07 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:07 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x5, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:07 executing program 2:
semctl$SETALL(0x0, 0x0, 0x11, &(0x7f0000001500)=[0x800])

09:03:07 executing program 3:
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000002a80)={0x1, &(0x7f0000002a00)=[{}]})

[  565.040793][T20984] batman_adv: Cannot find parent device
[  565.069633][T20944] syz-executor.4 (20944) used greatest stack depth: 22840 bytes left
09:03:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xc3ffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  565.100789][T20981] loop5: detected capacity change from 16138 to 0
[  565.180117][T20996] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=20996 comm=syz-executor.1
[  565.182058][T21000] batman_adv: Cannot find parent device
09:03:07 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xce2203f9, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:07 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000080)={'veth1_to_team\x00', 0x0})

[  565.281662][T21007] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=21007 comm=syz-executor.1
[  565.301115][T21011] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=21011 comm=syz-executor.1
09:03:07 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x6, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:07 executing program 5:
syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000000240), 0x0, &(0x7f0000000380)=ANY=[])

09:03:07 executing program 3:
openat$full(0xffffffffffffff9c, &(0x7f00000029c0)='/dev/full\x00', 0x200801, 0x0)

[  565.423687][T21005] FAT-fs (loop4): bogus number of reserved sectors
[  565.463285][T21005] FAT-fs (loop4): Can't find a valid FAT filesystem
[  565.508731][T21017] batman_adv: Cannot find parent device
09:03:08 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xda030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='syzkaller1\x00', 0x10)

09:03:08 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  565.648717][T21028] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6 sclass=netlink_route_socket pid=21028 comm=syz-executor.1
[  565.721784][T21030] ISOFS: Unable to identify CD-ROM format.
[  565.743356][T21034] batman_adv: Cannot find parent device
09:03:08 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xe4ffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 3:
semop(0x0, &(0x7f0000000d40)=[{0x0, 0x6}, {}], 0x2)

09:03:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x7, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  565.819427][T21030] ISOFS: Unable to identify CD-ROM format.
[  565.884083][T21047] batman_adv: Cannot find parent device
09:03:08 executing program 2:
syz_mount_image$vfat(0x0, 0x0, 0x0, 0x0, &(0x7f0000001840), 0x0, 0x0)

[  565.961243][   T34] audit: type=1804 audit(1608627788.329:827): pid=21052 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/268/file0" dev="sda1" ino=15756 res=1 errno=0
09:03:08 executing program 5:
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_ipv6_tunnel_SIOCCHGPRL(r0, 0x89f7, 0x0)

09:03:08 executing program 3:
add_key$fscrypt_provisioning(&(0x7f0000000280)='fscrypt-provisioning\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffb)

09:03:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x8, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  566.100249][T21044] FAT-fs (loop4): bogus number of reserved sectors
09:03:08 executing program 3:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
recvmmsg(r0, &(0x7f0000002c00)=[{{&(0x7f0000000900)=@hci, 0x80, &(0x7f0000000a40)=[{0x0}, {0x0}], 0x2}}], 0x1, 0x0, 0x0)

[  566.169549][T21044] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:08 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf0ffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x9, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xa, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a020002740ef801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:08 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf4030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:08 executing program 5:
semop(0x0, &(0x7f0000000d40)=[{0x3, 0x6}, {}], 0x2)

[  566.520690][T21086] batman_adv: Cannot find parent device
09:03:08 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
recvmmsg(r0, &(0x7f0000002c00)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)

09:03:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xb, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  566.769611][T21099] batman_adv: Cannot find parent device
09:03:09 executing program 5:
openat$vcsu(0xffffffffffffff9c, &(0x7f00000018c0)='/dev/vcsu\x00', 0xbc344, 0x0)

09:03:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xc, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  566.857337][   T34] audit: type=1804 audit(1608627789.229:828): pid=21108 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/269/file1/file0" dev="sda1" ino=16274 res=1 errno=0
[  566.913461][T21100] FAT-fs (loop4): bogus number of reserved sectors
09:03:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xd, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  566.978242][T21100] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:09 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_mreqn(r0, 0x0, 0xd, 0x0, &(0x7f00000000c0))

09:03:09 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf60d0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:09 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_mreqn(r0, 0x600, 0x0, 0x0, 0x0)

09:03:09 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xe, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  567.298611][T21123] batman_adv: Cannot find parent device
09:03:09 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, 0x0, 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:09 executing program 3:
r0 = socket$kcm(0x29, 0x5, 0x0)
getsockopt$sock_cred(r0, 0x1, 0xd, &(0x7f0000000040), &(0x7f0000000000)=0x4c)

09:03:09 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xf90322ce, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:10 executing program 2:
r0 = socket$inet6(0xa, 0x6, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8912, &(0x7f0000000000)={'batadv_slave_0\x00'})

09:03:10 executing program 5:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_mreqn(r0, 0x6, 0x0, 0x0, &(0x7f00000000c0))

09:03:10 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0xf, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:10 executing program 3:
r0 = socket$inet6(0xa, 0x5, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8914, &(0x7f0000000040)={'batadv0\x00'})

[  567.608744][T21140] batman_adv: Cannot find parent device
09:03:10 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfc000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:10 executing program 5:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000002c0)=@ipv4_delroute={0x10, 0x19, 0x1105, 0x0, 0x0, {}, [@RTA_ENCAP_TYPE={0x6}]}, 0x24}}, 0x0)

09:03:10 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x11, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:10 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, 0x0, 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:10 executing program 5:
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
getsockopt$inet_int(r0, 0x0, 0x2, 0x0, &(0x7f0000000580))

[  568.324907][T21157] batman_adv: Cannot find parent device
[  568.354067][   T34] audit: type=1804 audit(1608627790.719:829): pid=21168 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/271/file0" dev="sda1" ino=16375 res=1 errno=0
09:03:10 executing program 2:
syz_emit_ethernet(0x16, &(0x7f00000001c0)={@random="cfa32efe5dd1", @local, @void, {@llc_tr={0x11, {@snap={0x0, 0x0, '\x00', "a8376e"}}}}}, 0x0)

09:03:10 executing program 5:
r0 = socket$inet6(0xa, 0x3, 0x7)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8918, 0x0)

09:03:10 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, 0x0, 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:10 executing program 3:
r0 = socket$kcm(0x29, 0x5, 0x0)
getsockopt$sock_cred(r0, 0x1, 0x3c, 0x0, &(0x7f0000000000))

09:03:11 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x12, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:11 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfc030000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:11 executing program 2:
r0 = socket(0x2, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8901, &(0x7f0000000080)={'wlan1\x00'})

09:03:11 executing program 5:
sendmsg$IPSET_CMD_GET_BYNAME(0xffffffffffffffff, 0x0, 0x0)
syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
r0 = syz_open_dev$mouse(&(0x7f0000000500)='/dev/input/mouse#\x00', 0x0, 0x0)
execveat(r0, &(0x7f0000000540)='./file0\x00', &(0x7f0000000640)=[0x0], 0x0, 0x0)
socketpair(0x0, 0x0, 0x5, &(0x7f0000000880))
socketpair(0xa, 0x0, 0x0, &(0x7f0000000b80))

[  568.857440][T21183] batman_adv: Cannot find parent device
09:03:11 executing program 3:
r0 = socket(0x2, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8930, &(0x7f0000000080)={'wlan1\x00'})

09:03:11 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x14, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:11 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:11 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfcffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:11 executing program 2:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_udp_encap(r0, 0x29, 0x16, 0x0, 0x300)

09:03:11 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x2f, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:11 executing program 3:
r0 = socket$inet6(0xa, 0x3, 0x7)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8936, 0x0)

[  569.301761][T21208] batman_adv: Cannot find parent device
[  569.310133][T21207] loop4: detected capacity change from 264192 to 0
09:03:11 executing program 2:
syz_mount_image$tmpfs(0x0, 0x0, 0x0, 0x0, &(0x7f0000002a40), 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x0)
pselect6(0x40, &(0x7f0000000200), &(0x7f0000000240)={0x3f}, 0x0, 0x0, 0x0)

[  569.433025][   T34] audit: type=1804 audit(1608627791.799:830): pid=21215 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/273/file0" dev="sda1" ino=16257 res=1 errno=0
[  569.517089][T21207] FAT-fs (loop4): bogus number of reserved sectors
09:03:11 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfe800000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  569.560966][T21220] selinux_netlink_send: 19 callbacks suppressed
[  569.560984][T21220] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=21220 comm=syz-executor.1
[  569.565176][T21207] FAT-fs (loop4): Can't find a valid FAT filesystem
[  569.635628][T21223] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=21223 comm=syz-executor.1
09:03:12 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x73, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:12 executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
getsockopt$inet_mreqn(r0, 0x0, 0x12, 0x0, &(0x7f00000000c0))

09:03:12 executing program 5:
ioctl$sock_rose_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0)
syz_mount_image$tmpfs(&(0x7f0000000540)='tmpfs\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3, &(0x7f0000002840)=[{0x0}, {0x0}, {&(0x7f0000002700)="5a272f6e44f2920cd451e9ef93c990e222d0ec555fc1bb62afc8c7f2cda3e48b2ba7c6b22dc2d3987812eb736ed5a1a3770231281296386896898ee07956faaafccc5e4b22ded38d70674d400193e0b6778ebe81a6c116afc43ce31bd556253d566e8a81a118226c6ea1129e", 0x6c, 0x4}], 0x40, &(0x7f0000002900)={[{@huge_always='huge=always'}]})

09:03:12 executing program 2:
r0 = socket$inet_smc(0x2b, 0x1, 0x0)
setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000500)={'filter\x00', 0x7, 0x4, 0x3c8, 0x1f8, 0x110, 0x110, 0x2e0, 0x2e0, 0x2e0, 0x4, 0x0, {[{{@arp={@rand_addr, @loopback, 0x0, 0x0, 0x0, 0x0, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'lo\x00', 'rose0\x00'}, 0xc0, 0x110}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@link_local, @mac=@link_local, @private, @broadcast}}}, {{@arp={@remote, @local, 0x0, 0x0, 0x0, 0x0, {}, {@mac=@remote}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'bridge_slave_0\x00', 'veth0_to_team\x00'}, 0xc0, 0xe8}, @unspec=@NFQUEUE0={0x28, 'NFQUEUE\x00'}}, {{@uncond, 0xc0, 0xe8}, @unspec=@NFQUEUE1={0x28, 'NFQUEUE\x00'}}], {{[], 0xc0, 0xe8}, {0x28}}}}, 0x418)

[  570.007006][T21234] batman_adv: Cannot find parent device
[  570.050335][T21240] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pid=21240 comm=syz-executor.1
09:03:12 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  570.098049][T21243] x_tables: duplicate underflow at hook 1
09:03:12 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfec00000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  570.186913][T21246] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pid=21246 comm=syz-executor.1
09:03:12 executing program 3:
bpf$MAP_CREATE(0xf, &(0x7f0000000400), 0x40)

09:03:12 executing program 2:
mq_open(&(0x7f0000000180)='[\'\x00', 0x0, 0x0, 0x0)

09:03:12 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x7c1, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:12 executing program 5:
r0 = socket$can_raw(0x1d, 0x3, 0x1)
recvmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000600)=[{0x0}, {0x0, 0xffffffffffffff2a}], 0x2, 0x0, 0xffde}, 0x0)

09:03:12 executing program 2:
r0 = socket(0x25, 0x1, 0x0)
sendmsg$ETHTOOL_MSG_WOL_SET(r0, &(0x7f0000000700)={&(0x7f0000000500), 0xc, &(0x7f00000006c0)={0x0}}, 0x0)

[  570.388377][T21254] batman_adv: Cannot find parent device
[  570.420378][T21255] loop4: detected capacity change from 264192 to 0
[  570.506775][T21255] FAT-fs (loop4): bogus number of reserved sectors
[  570.532327][T21255] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:13 executing program 3:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)={0x20, 0x0, 0x2, 0x201, 0x0, 0x0, {}, [@CTA_EXPECT_MASTER={0x4}, @CTA_EXPECT_MASK={0x4}, @CTA_EXPECT_TUPLE={0x4}]}, 0x20}}, 0x0)

09:03:13 executing program 5:
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x241, 0x0, 0x0, 0x0, 0x8, 0x44e, 0x120c, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, {0x9}}}]}}]}}, &(0x7f0000000300)={0x0, 0x0, 0xc, &(0x7f0000000080)={0x5, 0xf, 0xc, 0x1, [@ext_cap={0x7}]}})

09:03:13 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfeff0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  570.576742][   T34] audit: type=1804 audit(1608627792.949:831): pid=21266 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/274/file1/file0" dev="sda1" ino=16383 res=1 errno=0
[  570.718483][T21270] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1985 sclass=netlink_route_socket pid=21270 comm=syz-executor.1
09:03:13 executing program 2:
creat(&(0x7f0000000040)='./file0\x00', 0x0)
setxattr$security_evm(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.evm\x00', &(0x7f0000001180)=ANY=[], 0x16, 0x0)
setxattr$security_evm(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='security.evm\x00', 0x0, 0x0, 0x1)

[  570.804103][T21276] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1985 sclass=netlink_route_socket pid=21276 comm=syz-executor.1
09:03:13 executing program 3:
syz_usb_connect$printer(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x7, 0x1, 0x0, 0x0, "", {{}, [{}]}}}]}}]}}, 0x0)

[  570.885731][T21278] batman_adv: Cannot find parent device
09:03:13 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:13 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:13 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfeffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:13 executing program 2:
socketpair$tipc(0x1e, 0x0, 0x0, 0x0)

[  571.164150][   T55] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[  571.318999][T21294] batman_adv: Cannot find parent device
[  571.378512][T21295] batman_adv: Cannot find parent device
[  571.407988][ T3849] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[  571.434816][   T55] usb 6-1: Using ep0 maxpacket: 8
09:03:13 executing program 2:
socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
setsockopt$TIPC_SRC_DROPPABLE(r0, 0x10f, 0x80, &(0x7f0000000080), 0x4)

09:03:13 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff000000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:13 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x2, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  571.509966][T21305] loop4: detected capacity change from 264192 to 0
[  571.615778][   T34] audit: type=1804 audit(1608627793.990:832): pid=21307 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/275/file0" dev="sda1" ino=15744 res=1 errno=0
[  571.653883][   T55] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0
[  571.711337][T21305] FAT-fs (loop4): bogus number of reserved sectors
[  571.771357][T21305] FAT-fs (loop4): Can't find a valid FAT filesystem
[  571.814642][ T3849] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0
[  571.835125][   T55] usb 6-1: New USB device found, idVendor=044e, idProduct=120c, bcdDevice= 0.40
[  571.856261][ T3849] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0
[  571.866794][   T55] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  571.883999][   T55] usb 6-1: Product: syz
[  571.890565][ T3849] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 1
[  571.907340][   T55] usb 6-1: Manufacturer: syz
[  571.914084][   T55] usb 6-1: SerialNumber: syz
[  571.962234][T21315] batman_adv: Cannot find parent device
[  571.997506][   T55] usbhid 6-1:1.0: couldn't find an input interrupt endpoint
[  572.011742][T21316] batman_adv: Cannot find parent device
09:03:14 executing program 2:
r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0)
write$evdev(r0, &(0x7f0000000080), 0xffffff6b)
fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000000080)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x0)
creat(&(0x7f0000000040)='./file0\x00', 0x0)

[  572.074693][ T3849] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40
[  572.118519][ T3849] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  572.161681][ T3849] usb 4-1: Product: syz
[  572.177424][ T3849] usb 4-1: Manufacturer: syz
[  572.207404][ T3849] usb 4-1: SerialNumber: syz
[  572.232300][   T55] usb 6-1: USB disconnect, device number 2
[  572.507649][   T55] usb 4-1: USB disconnect, device number 2
[  572.973950][ T3849] usb 6-1: new high-speed USB device number 3 using dummy_hcd
[  573.225582][ T3849] usb 6-1: Using ep0 maxpacket: 8
[  573.294452][   T55] usb 4-1: new high-speed USB device number 3 using dummy_hcd
[  573.434629][ T3849] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0
[  573.614581][ T3849] usb 6-1: New USB device found, idVendor=044e, idProduct=120c, bcdDevice= 0.40
[  573.629531][ T3849] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  573.651360][ T3849] usb 6-1: Product: syz
[  573.667072][ T3849] usb 6-1: Manufacturer: syz
[  573.671844][ T3849] usb 6-1: SerialNumber: syz
[  573.711745][   T55] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0
[  573.726819][   T55] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0
[  573.783660][   T55] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 1
09:03:16 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{0x0}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:16 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff0f0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:16 executing program 5:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000080)=@mangle={'mangle\x00', 0x1f, 0x6, 0x578, 0x3b8, 0x3b8, 0x3b8, 0x0, 0x3b8, 0x4a8, 0x4a8, 0x4a8, 0x4a8, 0x4a8, 0x6, 0x0, {[{{@uncond, 0x0, 0xd0, 0xf8, 0x0, {}, [@inet=@rpfilter={{0x28, 'rpfilter\x00'}}]}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ipv6={@mcast1, @private1, [], [], 'bridge_slave_1\x00', 'vlan0\x00'}, 0x0, 0xf8, 0x120, 0x0, {}, [@inet=@rpfilter={{0x28, 'rpfilter\x00'}}, @inet=@rpfilter={{0x28, 'rpfilter\x00'}}]}, @HL={0x28, 'HL\x00'}}, {{@uncond, 0x0, 0xa8, 0xd0}, @inet=@DSCP={0x28, 'DSCP\x00'}}, {{@uncond, 0x0, 0xa8, 0xd0}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@uncond, 0x0, 0xa8, 0xf0}, @SNPT={0x48, 'SNPT\x00', 0x0, {@ipv6=@loopback, @ipv4=@local}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x5d8)

[  573.824406][ T3849] usb 6-1: can't set config #1, error -71
[  573.864333][ T3849] usb 6-1: USB disconnect, device number 3
[  573.964791][   T55] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40
[  573.973667][T21354] x_tables: duplicate underflow at hook 1
[  573.986598][T21355] loop4: detected capacity change from 264192 to 0
[  574.007273][   T55] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  574.023719][   T55] usb 4-1: Product: syz
[  574.027989][   T55] usb 4-1: Manufacturer: syz
[  574.032673][   T55] usb 4-1: SerialNumber: syz
[  574.043311][T21356] batman_adv: Cannot find parent device
09:03:16 executing program 3:
timer_create(0x0, &(0x7f0000000000), 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
timer_delete(0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket(0x840000000002, 0x3, 0xff)
connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10)
sendmmsg$inet(r0, &(0x7f0000005240)=[{{0x0, 0xffffff7f, 0x0, 0x0, 0x0, 0x0, 0x18}}], 0x300, 0x401eb94)

09:03:16 executing program 5:
syz_usb_connect$printer(0x0, 0x2d, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x8, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1}}]}}, 0x0)

09:03:16 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x3, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:16 executing program 2:
syz_mount_image$msdos(&(0x7f0000000000)='msdos\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000001280), 0x0, &(0x7f0000001300)={[{@fat=@codepage={'codepage', 0x3d, '869'}}]})

[  574.124072][   T55] usb 4-1: can't set config #1, error -71
[  574.141047][   T55] usb 4-1: USB disconnect, device number 3
09:03:16 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xff7f0000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  574.228183][T21374] batman_adv: Cannot find parent device
[  574.250908][   T34] audit: type=1804 audit(1608627796.620:833): pid=21366 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/276/file0" dev="sda1" ino=16372 res=1 errno=0
09:03:16 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x4, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  574.260663][T21373] FAT-fs (loop2): bogus number of reserved sectors
[  574.340965][T21373] FAT-fs (loop2): Can't find a valid FAT filesystem
[  574.377151][T21355] FAT-fs (loop4): bogus number of reserved sectors
[  574.430498][T21355] FAT-fs (loop4): Can't find a valid FAT filesystem
[  574.458759][T21373] FAT-fs (loop2): bogus number of reserved sectors
[  574.519634][T21373] FAT-fs (loop2): Can't find a valid FAT filesystem
[  574.594229][ T3849] usb 6-1: new high-speed USB device number 4 using dummy_hcd
[  574.671335][T21390] batman_adv: Cannot find parent device
[  574.744448][T21391] batman_adv: Cannot find parent device
[  574.843687][ T3849] usb 6-1: Using ep0 maxpacket: 8
09:03:17 executing program 2:
syz_usb_connect(0x0, 0x24, &(0x7f0000000280)={{0x12, 0x1, 0x0, 0x7, 0x3, 0x5e, 0x8, 0x12d1, 0x473d, 0x45c6, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0xff, 0x2, 0x1b}}]}}]}}, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x2, [{0x2, &(0x7f0000000080)=@string={0x2}}, {0x4, &(0x7f0000000100)=@lang_id={0x4}}]})

09:03:17 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffff0300, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:17 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x5, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:17 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{0x0}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="3b27a4b46ee92b4a59073c369a5e19f9db153c4fdbc76aa2a4bb9f3e5e1aa197a9e96b1012c01813792e50c2692c175aad715d110a892949ccc6e2e54c2d5c8f0b7932b69797f217168b0c1feb128ae34f0daf487a70b5c117acd43725fe17993634f1695dabd7f998cd55e9d5bd911e86aa7a4ad75a574bb96951d6018b25d942a9544bca1ebb0e8d10c092cdcb85797673972099e4041aaf8d636f66cb9103ef2050ad28fabaed33d6927889d97f4b5ce0de71d3fd832980f4f088d0d84848b7d76ee3af02ffa51ce9de54d779eb4de462faac20a3ab0ed9934373ca22cea5454f4c2a740cd461e39956bb5f98df2aebc60cf32623adbffbcc378fa7250b6a3fc863dadcf6d4f8b855c4e70f0796eee6218445dad2811dd6b540ff52efa2f167dd9c1b8b016268d37db430983fefc0645d20614c8df742f2eb0872c58e09664e672b440d2cb660584ed07e1c606ec3e364c66a0f4d258c74accd43b987c756d602fd8787fed3aa43fd8d84e9656d4a413fa9a423bc54b873583d6d497005e54712fafc71384988d80134fbf84f53fdd74b354848006b8b5b67e7ec5a472475d3ae545ca1fcf7628b873e31ba83a98a7ad5b0cfbe9711b517a9a1388ad0efa2a3b4e22152021d631b731e2e100a9831111db7acce948bb5deeea260463c140ac929e77c58402776caf85d4569a75dde2f64c4491508afb541ed9b2c81fc95c067bf235f383e31cf662c95b1e49cfd94871e22720a41535756e419b271276941692bd023dd9c9dbec4f7db1e5c00d8b3be7b8e826a6aadd001edd0dfeb00f8048442b5c48456fd642e629dcb2ff55592665ff491cd832672ce2cf79da186db2c3a1f8b6b1f7d3750d7cdb3097954e6e14fb2183ad662c63d4ce8b82dc2487f0fe2ea2827b53a7c6dcced878d2fb29c1d3ff583570e7bc172d1a5c716e0447cb08ce3c468ffdf975da372f3f3eb455aaf5822bc04a51b6cad24a2331369df81c123b009a2381b42e9aeb077f621608d81c12a5f5c6c295d74afd4dd5c051296bee61a2ed8ecbe2193d18521295da208cd7a8320f1f53915835a890181ae0cba15d66d497564c9db40c70530ff3d2c6c8adf6f3c51e7abc227d71778df7bd5fca5c8a693344b6c0b44227de05c3bb4af4828d8000000008f7812aefb65cac321559185fbb984f252c5aa6bc195a578bc83569ff137eb1b11e4743cb42248f66ce06f0fe5c6c0ad862899b78f8683b1476a8dc1e568db0e42f2ed3cb573d710e71709c8afbabd3d0e653b5c97864f34bb290e0a8065c867ae74562deab6e2f44a86ae20102921943a785d13f06cb0a5ea165c09cda8b8fabe81e3697af106408aab419ddc58989ab67b79640a2fb965adbfa838716c278048793df0972dacdcb3c987c76cd946239a3ecb10b9ff2fb825af4057efced071badd9028d615d0474adcb674519e3688a6ca0e7f39432fb56b756fc850cfee61385a174f9a7086ef375df966d959a68590cf5c0245b55c63120cc4567cf2c01a6fb5a0ae6070106a050520eec53c768c2953ee7919e4ac8da2b9dc057465a5863912f7c5b780b743d0b84d9805dc750a832620f00afbdca621973764c587deb529f239fe5da62dcfa6a9af3dcd1613559cd8ce76533b5b4bad05008c7d5e5a36aab8afbc33ba7ee49a2e272f36d8237011d091006e6c9660691f66a137644e1161214e564c950f01a9de063fff67972fc553e08a75d33a9f662dd29d5b4bc7667692d028e84b4c0bdf6a", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  574.964213][ T3849] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0
09:03:17 executing program 3:
timer_create(0x0, &(0x7f0000000000), 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
timer_delete(0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket(0x840000000002, 0x3, 0xff)
connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10)
sendmmsg$inet(r0, &(0x7f0000005240)=[{{0x0, 0xffffff7f, 0x0, 0x0, 0x0, 0x0, 0x18}}], 0x300, 0x401eb94)

[  575.052951][T21403] batman_adv: Cannot find parent device
[  575.164460][ T3849] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40
[  575.166438][T21412] batman_adv: Cannot find parent device
[  575.198351][ T3849] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
09:03:17 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffa888, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  575.241871][T21417] loop4: detected capacity change from 264192 to 0
[  575.246891][ T3849] usb 6-1: Product: syz
[  575.263429][ T3849] usb 6-1: Manufacturer: syz
[  575.280399][ T3849] usb 6-1: SerialNumber: syz
[  575.371830][T21428] batman_adv: Cannot find parent device
09:03:17 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x6, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  575.456134][ T9823] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[  575.464784][   T34] audit: type=1804 audit(1608627797.840:834): pid=21429 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/277/file0" dev="sda1" ino=16369 res=1 errno=0
[  575.521784][T21417] FAT-fs (loop4): bogus number of reserved sectors
[  575.561406][ T9757] usb 6-1: USB disconnect, device number 4
[  575.564234][T21417] FAT-fs (loop4): Can't find a valid FAT filesystem
[  575.753550][ T9823] usb 3-1: Using ep0 maxpacket: 8
[  575.826447][T21440] batman_adv: Cannot find parent device
[  575.914200][ T9823] usb 3-1: language id specifier not provided by device, defaulting to English
[  576.058279][ T9823] usb 3-1: New USB device found, idVendor=12d1, idProduct=473d, bcdDevice=45.c6
[  576.081222][ T9823] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  576.119954][ T9823] usb 3-1: Product: syz
[  576.125725][ T9823] usb 3-1: SerialNumber: syz
[  576.137138][ T9823] usb 3-1: config 0 descriptor??
[  576.188346][ T9823] option 3-1:0.0: GSM modem (1-port) converter detected
[  576.392317][   T55] usb 3-1: USB disconnect, device number 2
[  576.405499][   T55] option 3-1:0.0: device disconnected
[  576.433295][ T3849] usb 6-1: new high-speed USB device number 5 using dummy_hcd
[  576.679145][ T3849] usb 6-1: Using ep0 maxpacket: 8
[  576.806240][ T3849] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0
[  576.994074][ T3849] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40
[  577.007868][ T3849] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  577.021555][ T3849] usb 6-1: Product: syz
[  577.041631][ T3849] usb 6-1: Manufacturer: syz
[  577.049682][ T3849] usb 6-1: SerialNumber: syz
[  577.213249][ T9823] usb 3-1: new high-speed USB device number 3 using dummy_hcd
09:03:19 executing program 5:
mlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000)

09:03:19 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffe000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:19 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{0x0}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:19 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x7, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:19 executing program 3:
timer_create(0x0, &(0x7f0000000000), 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
timer_delete(0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket(0x840000000002, 0x3, 0xff)
connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10)
sendmmsg$inet(r0, &(0x7f0000005240)=[{{0x0, 0xffffff7f, 0x0, 0x0, 0x0, 0x0, 0x18}}], 0x300, 0x401eb94)

[  577.351927][ T3849] usb 6-1: USB disconnect, device number 5
[  577.463450][ T9823] usb 3-1: Using ep0 maxpacket: 8
[  577.539723][T21470] batman_adv: Cannot find parent device
[  577.548206][T21473] loop4: detected capacity change from 264192 to 0
[  577.598824][T21471] batman_adv: Cannot find parent device
[  577.624162][ T9823] usb 3-1: language id specifier not provided by device, defaulting to English
[  577.766072][ T9823] usb 3-1: New USB device found, idVendor=12d1, idProduct=473d, bcdDevice=45.c6
[  577.780288][ T9823] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  577.794459][   T34] audit: type=1804 audit(1608627800.170:835): pid=21485 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/278/file0" dev="sda1" ino=16369 res=1 errno=0
[  577.820493][ T9823] usb 3-1: Product: syz
[  577.836990][ T9823] usb 3-1: SerialNumber: syz
[  577.857726][ T9823] usb 3-1: config 0 descriptor??
[  577.863981][T21473] FAT-fs (loop4): bogus number of reserved sectors
[  577.901696][T21473] FAT-fs (loop4): Can't find a valid FAT filesystem
[  577.905370][ T9823] option 3-1:0.0: GSM modem (1-port) converter detected
09:03:20 executing program 5:
madvise(&(0x7f0000ffe000/0x1000)=nil, 0x20800000, 0x0)

09:03:20 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x8, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:20 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffff000, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  578.141722][ T9823] usb 3-1: USB disconnect, device number 3
09:03:20 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:20 executing program 2:
mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0)
munlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)

[  578.216361][ T9823] option 3-1:0.0: device disconnected
[  578.281903][T21500] batman_adv: Cannot find parent device
09:03:20 executing program 3:
timer_create(0x0, &(0x7f0000000000), 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
timer_delete(0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket(0x840000000002, 0x3, 0xff)
connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10)
sendmmsg$inet(r0, &(0x7f0000005240)=[{{0x0, 0xffffff7f, 0x0, 0x0, 0x0, 0x0, 0x18}}], 0x300, 0x401eb94)

[  578.330018][T21499] batman_adv: Cannot find parent device
09:03:20 executing program 5:
select(0x1, &(0x7f0000000000), 0x0, &(0x7f00000001c0)={0x5}, 0x0)

09:03:20 executing program 2:
mlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)

09:03:20 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffff7f, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:20 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x9, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  578.518999][T21515] loop4: detected capacity change from 264192 to 0
[  578.549301][   T34] audit: type=1804 audit(1608627800.920:836): pid=21519 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/279/file0" dev="sda1" ino=15744 res=1 errno=0
09:03:21 executing program 2:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r0, &(0x7f00000001c0)={0xffffffffffffff6f, 0x2}, 0x10)
setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f0000000180), 0xc)

[  578.905753][T21529] batman_adv: Cannot find parent device
[  578.940185][T21515] FAT-fs (loop4): bogus number of reserved sectors
[  578.981770][T21531] batman_adv: Cannot find parent device
[  578.995172][T21515] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:21 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0xa, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:21 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffff9e, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:21 executing program 2:
pipe2(&(0x7f0000000000)={<r0=>0xffffffffffffffff}, 0x0)
sendto(r0, 0x0, 0x0, 0x0, 0x0, 0x0)

09:03:21 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

[  579.391282][T21545] batman_adv: Cannot find parent device
[  579.425126][T21550] batman_adv: Cannot find parent device
09:03:21 executing program 3:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0)
ioctl$CHAR_RAW_GETSIZE(r0, 0x1260, 0x0)

09:03:21 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0xc, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  579.499528][T21556] loop4: detected capacity change from 264192 to 0
09:03:21 executing program 2:
symlinkat(&(0x7f0000000180)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00')
unlink(&(0x7f0000000040)='./file0\x00')

09:03:22 executing program 5:
r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, 0x0, 0x0)

09:03:22 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffffc3, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:22 executing program 3:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x0)

[  579.735117][T21566] batman_adv: Cannot find parent device
[  579.735305][   T34] audit: type=1804 audit(1608627802.100:837): pid=21565 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/280/file0" dev="sda1" ino=15744 res=1 errno=0
[  579.753986][T21556] FAT-fs (loop4): bogus number of reserved sectors
09:03:22 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0xe, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  579.842514][T21556] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:22 executing program 3:
syz_mount_image$fuse(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
unlink(&(0x7f0000000000)='./file0\x00')

[  579.943849][T21577] batman_adv: Cannot find parent device
09:03:22 executing program 5:
wait4(0x0, 0x0, 0x677f359903f44bb6, 0x0)

09:03:22 executing program 2:
r0 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0)
ioctl$int_out(r0, 0x800000005450, 0x0)

09:03:22 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:22 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffffe4, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  580.096032][T21586] batman_adv: Cannot find parent device
09:03:22 executing program 5:
r0 = socket(0x1, 0x5, 0x0)
ioctl$sock_SIOCADDDLCI(r0, 0x5452, &(0x7f0000000040)={'ip6_vti0\x00'})

09:03:22 executing program 3:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
connect$netlink(r0, 0x0, 0x0)

09:03:22 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x10, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:22 executing program 2:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0)
ioctl$CHAR_RAW_SECTGET(r0, 0x1267, 0x0)

[  580.290598][T21597] batman_adv: Cannot find parent device
[  580.317418][T21598] loop4: detected capacity change from 264192 to 0
09:03:22 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffffff0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:23 executing program 3:
pipe2$9p(&(0x7f0000002080), 0x80800)

[  580.569533][T21613] batman_adv: Cannot find parent device
09:03:23 executing program 2:
r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000200)='ns/pid_for_children\x00')
ioctl$NS_GET_USERNS(r0, 0xb701, 0x0)

09:03:23 executing program 5:
perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20808, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x0}, 0x8120}, 0x0, 0x0, 0xffffffffffffffff, 0x0)

[  580.679033][   T34] audit: type=1804 audit(1608627803.051:838): pid=21607 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/281/file0" dev="sda1" ino=16380 res=1 errno=0
[  580.695676][T21620] batman_adv: Cannot find parent device
09:03:23 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x12, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  580.755046][T21598] FAT-fs (loop4): bogus number of reserved sectors
[  580.777628][T21598] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:23 executing program 3:
r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000000)='ns/cgroup\x00')
ioctl$NS_GET_OWNER_UID(r0, 0xb704, 0x0)

[  581.020721][T21632] batman_adv: Cannot find parent device
09:03:23 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400", 0xc}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:23 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffffffc, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:23 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000003a40)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000100)={0x20, 0x1c, 0x421, 0x0, 0x0, "", [@generic="4584e8ac005f6c1ac1791f30d6"]}, 0x20}], 0x1}, 0x0)

09:03:23 executing program 2:
r0 = add_key$keyring(&(0x7f000000a480)='keyring\x00', &(0x7f000000a4c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffc)
keyctl$clear(0x15, r0)

09:03:23 executing program 3:
clone(0x1f269b254aac137d, 0x0, 0x0, 0x0, 0x0)

09:03:23 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x31, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  581.190327][T21640] batman_adv: Cannot find parent device
[  581.235291][T21647] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
09:03:23 executing program 3:
r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0)
mq_getsetattr(r0, 0x0, 0x0)

[  581.317287][T21652] loop4: detected capacity change from 264192 to 0
[  581.325121][T21654] batman_adv: Cannot find parent device
09:03:23 executing program 2:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000000)=0x300000, 0x4)

09:03:23 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xfffffffe, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:23 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000003a40)={0x0, 0x0, &(0x7f00000039c0)=[{&(0x7f00000021c0)={0x14, 0x13, 0x421, 0x0, 0x0, "", [@nested={0x4}]}, 0x14}], 0x1}, 0x0)

[  581.448879][   T34] audit: type=1804 audit(1608627803.821:839): pid=21659 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/282/file0" dev="sda1" ino=16364 res=1 errno=0
09:03:23 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x48, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  581.511199][T21652] FAT-fs (loop4): bogus number of reserved sectors
[  581.520399][T21652] FAT-fs (loop4): Can't find a valid FAT filesystem
[  581.596116][T21666] batman_adv: Cannot find parent device
09:03:24 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0xffffffff, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:24 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400", 0xc}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:24 executing program 3:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/key-users\x00', 0x0, 0x0)
ioctl$BLKROTATIONAL(r0, 0x4020940d, 0x0)

09:03:24 executing program 2:
r0 = socket$key(0xf, 0x3, 0x2)
sendmsg$key(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)={0x2, 0xb, 0x0, 0x0, 0x2}, 0x10}}, 0x0)

09:03:24 executing program 5:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000003a40)={0x0, 0x0, &(0x7f00000039c0)=[{&(0x7f0000000080)={0x18, 0x1c, 0x421, 0x0, 0x0, "", [@typed={0x8, 0x0, 0x0, 0x0, @uid=0xee00}]}, 0x18}], 0x1}, 0x0)

[  581.869341][T21677] batman_adv: Cannot find parent device
[  581.949565][T21681] batman_adv: Cannot find parent device
09:03:24 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x4a, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:24 executing program 3:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, 0x0)

[  582.056944][T21691] loop4: detected capacity change from 264192 to 0
09:03:24 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x8, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:24 executing program 2:
r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/qat_adf_ctl\x00', 0x0, 0x0)
ioctl$IOCTL_CONFIG_SYS_RESOURCE_PARAMETERS(r0, 0x40096100, &(0x7f0000000500))

09:03:24 executing program 5:
pselect6(0x0, 0x0, &(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000140), &(0x7f00000001c0)={&(0x7f0000000180), 0x20000188})

09:03:24 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xf, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  582.274569][T21703] batman_adv: Cannot find parent device
[  582.326295][   T34] audit: type=1804 audit(1608627804.701:840): pid=21697 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/283/file0" dev="sda1" ino=16370 res=1 errno=0
[  582.375197][T21691] FAT-fs (loop4): bogus number of reserved sectors
[  582.407609][T21691] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:24 executing program 2:
syz_open_procfs(0x0, &(0x7f0000000240)='timerslack_ns\x00')

09:03:24 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x4c, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:24 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400", 0xc}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:24 executing program 3:
statx(0xffffffffffffff9c, 0x0, 0x0, 0xacb9612df2c2a080, 0x0)

09:03:24 executing program 5:
r0 = socket$nl_audit(0x10, 0x3, 0x9)
sendmmsg$sock(r0, &(0x7f0000009600)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000004f00)=[@timestamping={{0x14}}], 0x18}}], 0x2, 0x0)

09:03:25 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x10, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  582.620125][T21720] batman_adv: Cannot find parent device
09:03:25 executing program 3:
syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x203)

09:03:25 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x60, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:25 executing program 2:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000003a40)={0x0, 0x0, &(0x7f00000039c0)=[{&(0x7f00000021c0)={0x18, 0x13, 0x421, 0x0, 0x0, "", [@nested={0x7, 0x0, 0x0, 0x1, [@generic="3935d0"]}]}, 0x18}], 0x1}, 0x0)

09:03:25 executing program 5:
add_key$fscrypt_v1(&(0x7f0000000040)='logon\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffd)
r0 = add_key$fscrypt_v1(&(0x7f0000000240)='logon\x00', &(0x7f0000000280)={'fscrypt:', @desc1='0000111122223333'}, &(0x7f00000002c0)={0x0, "cfced9af9024845a7d008de15070c8d29be295b134ae1f126a9aceff85aeb10cd942889306715a1737d27e25fdc8ff81a3e435391a1365ddf44028ff8e72683b"}, 0x48, 0xfffffffffffffffc)
r1 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000500)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff)
add_key$fscrypt_v1(&(0x7f0000000100)='logon\x00', &(0x7f00000004c0)={'fscrypt:', @desc1='0000111122223333'}, &(0x7f0000000180)={0x0, "4ebf6e3f305160784747a686f8638f6c8b01367251c46b06af7b9fac6626b59b5c7a89bff69cb03f92056e7ca100"}, 0x48, r1)
keyctl$unlink(0x9, r0, r1)

09:03:25 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x25, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  582.883646][T21733] loop4: detected capacity change from 264192 to 0
[  583.012116][   T34] audit: type=1804 audit(1608627805.381:841): pid=21750 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/284/file0" dev="sda1" ino=16389 res=1 errno=0
[  583.051804][T21740] batman_adv: Cannot find parent device
09:03:25 executing program 3:
r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0)
ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0)

[  583.102276][T21748] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.0'.
09:03:25 executing program 5:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
recvmsg(r0, &(0x7f0000007b00)={0x0, 0x0, 0x0}, 0x101)

[  583.163591][T21733] FAT-fs (loop4): bogus number of reserved sectors
[  583.186904][T21755] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.0'.
[  583.205887][T21733] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:25 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x68, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  583.444611][T21763] batman_adv: Cannot find parent device
09:03:25 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xc0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:25 executing program 2:
syz_open_procfs(0x0, &(0x7f0000000000)='net/vlan/vlan1\x00')

09:03:25 executing program 3:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/key-users\x00', 0x0, 0x0)
ioctl$BLKROTATIONAL(r0, 0xc0189436, 0x0)

09:03:25 executing program 5:
io_setup(0x10000, &(0x7f0000000040))
io_setup(0x44e, &(0x7f0000000280))

09:03:25 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x6c, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:25 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a0200", 0x12}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xec0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  583.654041][T21776] batman_adv: Cannot find parent device
09:03:26 executing program 2:
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000100)='ns/pid\x00')
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000000)='ns/pid\x00')

09:03:26 executing program 3:
pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000280), &(0x7f0000000300)={0x0})

09:03:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x74, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  583.770904][T21784] loop4: detected capacity change from 264192 to 0
09:03:26 executing program 3:
accept4$packet(0xffffffffffffffff, 0x0, 0x0, 0x8a6512f861446668)

[  583.849525][T21791] batman_adv: Cannot find parent device
09:03:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x78, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x33fe0, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  584.025633][   T34] audit: type=1804 audit(1608627806.401:842): pid=21797 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/285/file0" dev="sda1" ino=16362 res=1 errno=0
09:03:26 executing program 2:
r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = dup3(r2, r1, 0x0)
ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab01, 0x0)

[  584.080873][T21784] FAT-fs (loop4): invalid media value (0x00)
[  584.103003][T21784] FAT-fs (loop4): Can't find a valid FAT filesystem
[  584.162314][T21804] batman_adv: Cannot find parent device
09:03:26 executing program 3:
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000040)={@private1})

09:03:26 executing program 5:
r0 = socket$inet6(0xa, 0x3, 0x6)
setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, 0x0, 0x0)

09:03:26 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a0200", 0x12}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:26 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040)}, 0x0, 0x4, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCL_SETSEL(r0, 0x541c, &(0x7f0000000000)={0x2, {0x3, 0x0, 0x0, 0x400, 0x100}})
ioctl$TIOCL_PASTESEL(r0, 0x560d, &(0x7f00000001c0))
waitid(0x0, 0xffffffffffffffff, 0x0, 0x2, &(0x7f0000000400))
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
io_setup(0x100, &(0x7f00000003c0))
ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010)
read$FUSE(0xffffffffffffffff, &(0x7f0000000140), 0xfffffefa)
ioctl$sock_proto_private(0xffffffffffffffff, 0x89e7, &(0x7f0000000280)="33c9a0e71e811d17633e7992bd81c19c822fd9d09876d57f738ef82e9cb973d7f190ebe733be076c7802f41ca518dba748796fd9bde74690f1bd74882637855fbe9e316e08389cd6ecd9df2da4e1e8ab7e31112648b5b58dd3989bc2d37fab2474200ba286c48a6d67cee41b79c1cdf384fc6d0233d464e9c955cb7c2db4cb1d78c55571c18a70d469862e2e5d7f60f4d86e5dc49abaf6985c75627aa087f5c7ac98fd7983002c00b7e496ac679d8b129767ef512af517e3c1bcb3d1967fefa7fa")
keyctl$KEYCTL_CAPABILITIES(0x1f, &(0x7f0000000200)=""/124, 0x7c)
ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200)
sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f00000004c0), 0xc, &(0x7f0000000580)={&(0x7f0000002280)=ANY=[@ANYBLOB="f0b7fa094205e765d60300000000000000f1ad", @ANYRES16=0x0, @ANYBLOB="000127fec6465f2a9ea0ee30d0454980060000000000790d4f610000000005000600303abcf10100"/54], 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x20048441)
ioctl$TIOCL_PASTESEL(r0, 0x541c, &(0x7f00000000c0))
modify_ldt$write2(0x11, &(0x7f0000000080)={0x8, 0xffffffffffffffff, 0x4000, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0x10)

09:03:26 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x7a, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:26 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x20000a80, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  584.526032][T21825] batman_adv: Cannot find parent device
[  584.577308][T21828] loop4: detected capacity change from 264192 to 0
09:03:27 executing program 5:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
setsockopt(r0, 0x10d, 0xb, &(0x7f00001c9fff)="03", 0x38)

09:03:27 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x7ffff000, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:27 executing program 3:
r0 = getpid()
r1 = inotify_init1(0x0)
fcntl$setown(r1, 0x8, 0xffffffffffffffff)
fcntl$getownex(r1, 0x10, &(0x7f0000000080)={0x0, <r2=>0x0})
setpgid(0x0, r2)
r3 = getpgrp(0x0)
kcmp(r0, r3, 0x1, 0xffffffffffffffff, 0xffffffffffffffff)

09:03:27 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0xf0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  584.721477][   T34] audit: type=1804 audit(1608627807.091:843): pid=21836 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir731458286/syzkaller.UUB7ir/286/file1/file0" dev="sda1" ino=15691 res=1 errno=0
09:03:27 executing program 5:
r0 = socket$packet(0x11, 0x3, 0x300)
r1 = dup(r0)
ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200)
r2 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r2, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-serpent-sse2\x00'}, 0x58)
r3 = accept4(r2, 0x0, 0x0, 0x0)
setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, 0x0, 0x0)
sendto$unix(r3, &(0x7f0000000140), 0x14ded905162a6a4b, 0x0, 0x0, 0x429)
recvfrom(r3, &(0x7f0000003240)=""/4096, 0x100000205, 0x0, 0x0, 0x415)

09:03:27 executing program 3:
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340)='NLBL_MGMT\x00')
mknodat(0xffffffffffffff9c, &(0x7f00000024c0)='./file0\x00', 0x0, 0x0)

[  584.761469][T21828] FAT-fs (loop4): invalid media value (0x00)
[  584.761629][T21828] FAT-fs (loop4): Can't find a valid FAT filesystem
09:03:27 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0xfffffdef, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  585.038303][T21853] batman_adv: Cannot find parent device
09:03:27 executing program 2:
socket$nl_generic(0x10, 0x3, 0x10)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040)}, 0x0, 0x4, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCL_SETSEL(r0, 0x541c, &(0x7f0000000000)={0x2, {0x3, 0x0, 0x0, 0x400, 0x100}})
ioctl$TIOCL_PASTESEL(r0, 0x560d, &(0x7f00000001c0))
waitid(0x0, 0xffffffffffffffff, 0x0, 0x2, &(0x7f0000000400))
creat(&(0x7f00000001c0)='./file0\x00', 0x0)
io_setup(0x100, &(0x7f00000003c0))
ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010)
read$FUSE(0xffffffffffffffff, &(0x7f0000000140), 0xfffffefa)
ioctl$sock_proto_private(0xffffffffffffffff, 0x89e7, &(0x7f0000000280)="33c9a0e71e811d17633e7992bd81c19c822fd9d09876d57f738ef82e9cb973d7f190ebe733be076c7802f41ca518dba748796fd9bde74690f1bd74882637855fbe9e316e08389cd6ecd9df2da4e1e8ab7e31112648b5b58dd3989bc2d37fab2474200ba286c48a6d67cee41b79c1cdf384fc6d0233d464e9c955cb7c2db4cb1d78c55571c18a70d469862e2e5d7f60f4d86e5dc49abaf6985c75627aa087f5c7ac98fd7983002c00b7e496ac679d8b129767ef512af517e3c1bcb3d1967fefa7fa")
keyctl$KEYCTL_CAPABILITIES(0x1f, &(0x7f0000000200)=""/124, 0x7c)
ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200)
sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f00000004c0), 0xc, &(0x7f0000000580)={&(0x7f0000002280)=ANY=[@ANYBLOB="f0b7fa094205e765d60300000000000000f1ad", @ANYRES16=0x0, @ANYBLOB="000127fec6465f2a9ea0ee30d0454980060000000000790d4f610000000005000600303abcf10100"/54], 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x20048441)
ioctl$TIOCL_PASTESEL(r0, 0x541c, &(0x7f00000000c0))
modify_ldt$write2(0x11, &(0x7f0000000080)={0x8, 0xffffffffffffffff, 0x4000, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1}, 0x10)

09:03:27 executing program 4:
perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0)
syz_mount_image$msdos(&(0x7f00000002c0)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="0400050900000000666174000404090a0200", 0x12}], 0x0, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
r0 = open(&(0x7f00000000c0)='./file0\x00', 0x1013c1, 0x0)
r1 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0)
write$9p(r0, &(0x7f0000000840)="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", 0x4e0)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x10)
ioctl$HIDIOCGRAWINFO(0xffffffffffffffff, 0x80084803, &(0x7f0000000300)=""/45)
getuid()
ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, 0x0)
r2 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vim2m\x00', 0x2, 0x0)
ioctl$vim2m_VIDIOC_CREATE_BUFS(0xffffffffffffffff, 0xc100565c, 0x0)
ioctl$FIOCLEX(r2, 0x5451)
sendfile(r0, r1, 0x0, 0x1c500)

09:03:27 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x153, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:27 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x2, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

09:03:27 executing program 3:
r0 = socket$unix(0x1, 0x1, 0x0)
r1 = socket$unix(0x1, 0x5, 0x0)
r2 = dup2(r1, r0)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000280)='./file1\x00', 0x0, 0x1, &(0x7f0000000040)=[{&(0x7f0000000140)="25bca2740a0000002734fa0095e0612687ecb86a548802a902000020020000000a0000000a000000250000000206e73ba8f4952bedc6760253ef", 0x91, 0x400}], 0x0, &(0x7f00000000c0)={[{@usrjquota='usrjquota='}]})

09:03:27 executing program 5:
openat$ptmx(0xffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x2, 0x0)

[  585.377480][T21877] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=21877 comm=syz-executor.0
[  585.408580][T21876] batman_adv: Cannot find parent device
09:03:27 executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0)
getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xc)
sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000a40)=@newlink={0x40, 0x10, 0xe3b, 0x1a5, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)

[  585.480093][T21882] loop4: detected capacity change from 264192 to 0
09:03:27 executing program 5:
clone(0x40101100, 0x0, 0x0, 0x0, 0x0)
wait4(0x0, 0x0, 0x80000000, 0x0)

[  585.610481][T21889] loop3: detected capacity change from 4 to 0
[  585.632952][T21889] ================================================================================
[  585.633096][T21889] UBSAN: shift-out-of-bounds in fs/ext4/super.c:4190:25
[  585.633124][T21889] shift exponent 536870914 is too large for 32-bit type 'int'
[  585.633142][T21889] CPU: 1 PID: 21889 Comm: syz-executor.3 Not tainted 5.10.0-syzkaller #0
[  585.633167][T21889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  585.633186][T21889] Call Trace:
[  585.633196][T21889]  dump_stack+0x107/0x163
[  585.633238][T21889]  ubsan_epilogue+0xb/0x5a
[  585.633265][T21889]  __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181
[  585.633303][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.633348][T21889]  ext4_fill_super.cold+0x154/0x3ce
[  585.633399][T21889]  ? lock_downgrade+0x6d0/0x6d0
[  585.633441][T21889]  ? snprintf+0xbb/0xf0
[  585.633467][T21889]  ? ext4_calculate_overhead+0x1390/0x1390
[  585.633507][T21889]  ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[  585.633538][T21889]  ? set_blocksize+0x1bb/0x400
[  585.633579][T21889]  mount_bdev+0x34d/0x410
[  585.633609][T21889]  ? ext4_calculate_overhead+0x1390/0x1390
[  585.633640][T21889]  ? __save_error_info+0x800/0x800
[  585.633670][T21889]  legacy_get_tree+0x105/0x220
[  585.633697][T21889]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  585.633729][T21889]  ? ns_capable_common+0x117/0x140
[  585.633762][T21889]  vfs_get_tree+0x89/0x2f0
[  585.633792][T21889]  path_mount+0x13ad/0x20c0
[  585.633824][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.633855][T21889]  ? strncpy_from_user+0x2a0/0x3e0
[  585.633886][T21889]  ? finish_automount+0xb20/0xb20
[  585.633915][T21889]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  585.633947][T21889]  ? getname_flags.part.0+0x1dd/0x4f0
[  585.633982][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.634027][T21889]  __x64_sys_mount+0x27f/0x300
[  585.634058][T21889]  ? copy_mnt_ns+0xae0/0xae0
[  585.634088][T21889]  ? syscall_enter_from_user_mode+0x1d/0x50
[  585.634131][T21889]  do_syscall_64+0x2d/0x70
[  585.634158][T21889]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  585.634191][T21889] RIP: 0033:0x460b9a
[  585.634212][T21889] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
[  585.634240][T21889] RSP: 002b:00007f17fb7a6a78 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5
[  585.634268][T21889] RAX: ffffffffffffffda RBX: 00007f17fb7a6b10 RCX: 0000000000460b9a
[  585.634286][T21889] RDX: 0000000020000080 RSI: 0000000020000280 RDI: 00007f17fb7a6ad0
[  585.634304][T21889] RBP: 00007f17fb7a6ad0 R08: 00007f17fb7a6b10 R09: 0000000020000080
[  585.634322][T21889] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000020000080
[  585.634339][T21889] R13: 0000000020000280 R14: 0000000020000040 R15: 00000000200000c0
[  585.634501][T21889] ================================================================================
[  585.634516][T21889] Kernel panic - not syncing: panic_on_warn set ...
[  585.634527][T21889] CPU: 1 PID: 21889 Comm: syz-executor.3 Not tainted 5.10.0-syzkaller #0
[  585.634554][T21889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  585.634569][T21889] Call Trace:
[  585.634579][T21889]  dump_stack+0x107/0x163
[  585.634614][T21889]  panic+0x343/0x77f
[  585.634641][T21889]  ? __warn_printk+0xf3/0xf3
[  585.634679][T21889]  ? ubsan_epilogue+0x3e/0x5a
[  585.634715][T21889]  ubsan_epilogue+0x54/0x5a
[  585.634743][T21889]  __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181
[  585.634781][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.634822][T21889]  ext4_fill_super.cold+0x154/0x3ce
[  585.634870][T21889]  ? lock_downgrade+0x6d0/0x6d0
[  585.634912][T21889]  ? snprintf+0xbb/0xf0
[  585.634938][T21889]  ? ext4_calculate_overhead+0x1390/0x1390
[  585.634977][T21889]  ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[  585.635007][T21889]  ? set_blocksize+0x1bb/0x400
[  585.635046][T21889]  mount_bdev+0x34d/0x410
[  585.635077][T21889]  ? ext4_calculate_overhead+0x1390/0x1390
[  585.635107][T21889]  ? __save_error_info+0x800/0x800
[  585.635135][T21889]  legacy_get_tree+0x105/0x220
[  585.635163][T21889]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  585.635194][T21889]  ? ns_capable_common+0x117/0x140
[  585.635227][T21889]  vfs_get_tree+0x89/0x2f0
[  585.635257][T21889]  path_mount+0x13ad/0x20c0
[  585.635288][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.635319][T21889]  ? strncpy_from_user+0x2a0/0x3e0
[  585.635350][T21889]  ? finish_automount+0xb20/0xb20
[  585.635380][T21889]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  585.635411][T21889]  ? getname_flags.part.0+0x1dd/0x4f0
[  585.635440][T21889]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  585.635483][T21889]  __x64_sys_mount+0x27f/0x300
[  585.635543][T21889]  ? copy_mnt_ns+0xae0/0xae0
[  585.635577][T21889]  ? syscall_enter_from_user_mode+0x1d/0x50
[  585.635615][T21889]  do_syscall_64+0x2d/0x70
[  585.635641][T21889]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  585.635673][T21889] RIP: 0033:0x460b9a
[  585.635692][T21889] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
[  585.635717][T21889] RSP: 002b:00007f17fb7a6a78 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5
[  585.635740][T21889] RAX: ffffffffffffffda RBX: 00007f17fb7a6b10 RCX: 0000000000460b9a
[  585.635757][T21889] RDX: 0000000020000080 RSI: 0000000020000280 RDI: 00007f17fb7a6ad0
[  585.635774][T21889] RBP: 00007f17fb7a6ad0 R08: 00007f17fb7a6b10 R09: 0000000020000080
[  585.635791][T21889] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000020000080
[  585.635807][T21889] R13: 0000000020000280 R14: 0000000020000040 R15: 00000000200000c0
[  585.636664][T21889] Kernel Offset: disabled
[  586.188753][T21889] Rebooting in 86400 seconds..