last executing test programs:

1.912168405s ago: executing program 6 (id=515):
sysctl$net_inet_etherip(&(0x7f0000000340)={0x4, 0x2, 0x61, 0x1}, 0x4, &(0x7f0000000000), 0x0, 0x0, 0x0)

1.781130029s ago: executing program 7 (id=520):
rmdir(&(0x7f0000000280)='.\x00')

1.705855071s ago: executing program 7 (id=522):
sysctl$hw(&(0x7f0000000040)={0x6, 0xb}, 0x3, &(0x7f00000005c0)="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"/678, &(0x7f0000000080)=0xd4, 0x0, 0x0)

1.645936413s ago: executing program 4 (id=526):
madvise(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x80000000002)

1.638851386s ago: executing program 0 (id=527):
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x3, 0x5012, 0xffffffffffffffff, 0x0)

1.504301448s ago: executing program 6 (id=530):
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
accept$unix(0xffffffffffffffff, &(0x7f0000000040)=@file={0x0, ""/4096}, &(0x7f0000001100)=0x1002)

1.495710886s ago: executing program 3 (id=531):
sysctl$kern(&(0x7f00000000c0)={0x1, 0x56}, 0x2, 0x0, 0x0, 0x0, 0x0)

1.394165845s ago: executing program 4 (id=534):
sysctl$kern(&(0x7f00000000c0)={0x1, 0x49}, 0x2, 0x0, 0x0, 0x0, 0x0)

1.390995357s ago: executing program 0 (id=535):
mknod(&(0x7f0000000000)='.\x00', 0x1, 0x0)

1.280941588s ago: executing program 7 (id=536):
r0 = socket(0x11, 0x3, 0x0)
sendto$unix(r0, &(0x7f00000003c0)="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", 0xb1, 0x406, 0x0, 0x55)

1.273531679s ago: executing program 3 (id=537):
openat$bpf(0xffffffffffffff9c, &(0x7f0000000440), 0x20, 0x0)

1.268211826s ago: executing program 4 (id=538):
sysctl$hw(&(0x7f0000000080)={0x6, 0x18}, 0x2, &(0x7f00000000c0)="99c5069e7aab2155751fcf107818533afc9ff01a68a4b1baa30a07f4c4b66ce08d59af7e54a8341f3be673a174c3a12223a171ff2ab99d0e0d43f0a6c3948f11658e876ac2126614dcd00fdfe76f1ace1f77da0c0af828b5c508585fd9df9ae729f85999a053e2c9872fbdd4e491010010791840000000000000000081131a6f0b680f72f2b0d9a19e570400"/151, &(0x7f0000000180)=0x97, 0x0, 0x0)

1.231282701s ago: executing program 5 (id=539):
syz_emit_ethernet(0x46, &(0x7f0000000e80)={@random="09d2544684be", @random="a82d7abc487e", [], {@ipv6={0x86dd, {0x0, 0x6, '\x00', 0x10, 0x3a, 0xff, @rand_addr="20f4372e0865915f577ee80000008000", @mcast2, {[], @icmpv6=@ndisc_ra={0x86, 0x0, 0x0, 0x81, 0x7, 0x8, 0x100, 0xc}}}}}})

1.227947871s ago: executing program 1 (id=540):
syz_emit_ethernet(0xe, &(0x7f0000000000)={@remote, @empty, [], {@generic={0x8100}}})

1.220041794s ago: executing program 0 (id=541):
r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000040), 0x80, 0x0)
ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f0000000000)={0x3, &(0x7f0000000280)=[{0x3, 0x3, 0xfa, 0x2}, {0x87, 0x0, 0xae, 0x100}, {0x3, 0x3f, 0x7, 0x800}]})

1.217315728s ago: executing program 2 (id=542):
clock_gettime(0x67f3248105b4e004, 0x0)

1.210471394s ago: executing program 6 (id=543):
r0 = socket(0x2, 0x3, 0x80)
shutdown(r0, 0x2)

1.210033906s ago: executing program 7 (id=544):
setuid(0xee01)
setrlimit(0x8, &(0x7f0000000980)={0xb, 0x200400000000062})

1.101624592s ago: executing program 2 (id=545):
close(0xffffffffffffffff)

1.031724546s ago: executing program 3 (id=546):
getdents(0xffffffffffffffff, &(0x7f0000001180)=""/4106, 0xfffffffffffffd64)

980.931413ms ago: executing program 5 (id=547):
sysctl$net_inet6_icmp6(&(0x7f0000000000)={0x4, 0x18, 0x3a, 0x1}, 0x4, 0x0, 0x0, 0x0, 0x4e)

930.796053ms ago: executing program 1 (id=548):
sysctl$kern(&(0x7f0000000100)={0x1, 0x37}, 0x3, &(0x7f0000000180)="52f95e34712c5f84cf71b5f87afec30000c042d090ef960e1846638dad06004805606ce37de53a0080000000000000203c740de973657a1cec950ef31458c7408518dae30b61525081f1b2f011a0f9585b0d24fdb6b5d3cc4f71b7f2f7aeb80c1a5b60e7446c27e57001000000040000005411ea355d1c482416ff8fc8dfdbb749238cd31156f1fe34fa8445d0a020f311d79098078ed10eb30c3b07926984340000000000", &(0x7f0000000040)=0x5, 0x0, 0x3d)

923.333683ms ago: executing program 2 (id=549):
r0 = openat$pf(0xffffffffffffff9c, &(0x7f0000000040), 0x80, 0x0)
ioctl$TIOCSETA(r0, 0xc0284457, &(0x7f0000001540)={0x100001, 0xff, 0x2, 0x200, "ccca224ff1c102d100010000f0fff19db9e800", 0x1})

920.183534ms ago: executing program 3 (id=550):
chflagsat(0xffffffffffffffff, 0x0, 0x0, 0x2)

821.069179ms ago: executing program 5 (id=551):
mknod(&(0x7f00000001c0)='./file0\x00', 0x2000, 0x451d)
open(&(0x7f0000000180)='./file0\x00', 0x80000000000206, 0x0)

810.987303ms ago: executing program 6 (id=552):
ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000500)={0x3, &(0x7f00000000c0)=[{}, {0x1, 0x0, 0x0, 0x1}, {0x6, 0x0, 0x0, 0xc}]})
sysctl$kern(&(0x7f00000000c0)={0x1, 0x49}, 0x6, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0xff0a, 0x0, 0x37)

810.8888ms ago: executing program 0 (id=553):
r0 = socket(0x18, 0x2, 0x0)
setsockopt(r0, 0x1000000000029, 0x33, &(0x7f0000000980)="01000000", 0x4)

810.586064ms ago: executing program 4 (id=554):
r0 = socket(0x2, 0x2, 0x0)
getsockopt(r0, 0x0, 0x20, 0x0, 0x0)

660.609144ms ago: executing program 1 (id=555):
ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000300)={0x2, &(0x7f00000000c0)=[{}, {0x1}]})
sysctl$kern(&(0x7f00000000c0)={0x1, 0x3e}, 0x3, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0x10, 0x0, 0x37)

656.576304ms ago: executing program 3 (id=556):
r0 = socket$unix(0x1, 0x1, 0x0)
connect$unix(r0, &(0x7f0000000000)=@file={0xd1653077bafa0115, './file0\x00'}, 0x3)

652.523251ms ago: executing program 2 (id=557):
r0 = socket(0x2, 0x400000000002, 0x0)
setsockopt(r0, 0x0, 0x24, 0x0, 0x0)

649.398634ms ago: executing program 7 (id=558):
r0 = socket$unix(0x1, 0x2, 0x0)
sendmsg$unix(r0, &(0x7f0000000080)={&(0x7f00000006c0)=@file={0x170, './file0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00'}, 0x6a, 0x0}, 0x0)

498.082893ms ago: executing program 6 (id=559):
r0 = socket$inet(0x2, 0x3, 0x6)
setsockopt$inet_opts(r0, 0x0, 0x9, 0x0, 0x0)

471.170348ms ago: executing program 2 (id=560):
r0 = openat$wskbd(0xffffffffffffff9c, &(0x7f0000000000), 0x10001, 0x0)
ioctl$WSKBDIO_GETDEFAULTBELL(r0, 0x40105706, &(0x7f0000000040))

467.926546ms ago: executing program 5 (id=561):
mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x2, 0x13, 0xffffffffffffffff, 0x100000001)

465.207801ms ago: executing program 4 (id=562):
r0 = socket(0x11, 0x3, 0x0)
sendto$unix(r0, &(0x7f0000000000)="b1000504000004000000000001000000331c13fecea10500fef96ec0c72fd3357ae30200004e3003000000acf20b7804be38164991f7c8cf5f882b297be1aa0500000051e2f0ad3ebbc257699a1f139b672f4d335c223e7d0c032bfa896443a42102000000720fd18bfbb670c1f5a872c881ea6e2ec5890400000000008000361b4cc702fac500002021fbfa0c0f00008abfba221554f4e0f668246c0900000008e371a3f8343712051eea040000000000", 0xb1, 0x0, 0x0, 0x0)

461.283396ms ago: executing program 0 (id=563):
r0 = socket(0x11, 0x3, 0x3)
sendto$unix(r0, &(0x7f0000000280)="b1000501600000001600000007000000041c13fecea10500fef96ecfc72fd3357ae320b37b673039d2d236acf20b7804be38164991f7c8cf5f882b297be1aa5b236deb51e2f0ac3ebbc2576b9a5f139b672f4d335d223e7d026ba8af630037282125000000720fd38bfbb770c1f5a872c881ea6e69e0bb76d907c400000200361b1257aea8c500002002fb00000000008abfba09000000ec1d89e000040781e4b2fff040ff00"/177, 0xb1, 0x0, 0x0, 0x0)

458.012153ms ago: executing program 1 (id=564):
r0 = openat$pf(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$TIOCSETA(r0, 0xc0284457, &(0x7f0000001540)={0x0, 0xfffffffe, 0x1, 0x0, "9786ca4b427a02c600010000000000000f1e0400"})

258.799531ms ago: executing program 5 (id=565):
r0 = socket(0x11, 0x3, 0x0)
sendto$unix(r0, &(0x7f0000000000)="b10005016000009f0500000007000000331c13fecea10500fef96ecfc72fd3357a068da3a5673039d2d236acf20b7804be38164991f7cccf5f882b297be1aa5b23edeb51e2f0ac3ebbc257699a1f139b672f4d335c223e7d02565dfbdd60de5f231e000000720fd38bfbb770c1f5a872c881e2772ec5a10400000000000000361b1257aea8c5d0002012000000000000880d6633c556ae9be371a3f8343712051eeab71d89000407000000800420000000", 0xb1, 0x0, 0x0, 0x0)

252.885769ms ago: executing program 6 (id=566):
r0 = getpid()
ktrace(0x0, 0x1d97c82b8eba19ad, 0x506, r0)

249.680095ms ago: executing program 7 (id=567):
r0 = socket$inet(0x2, 0x3, 0x0)
getsockopt(r0, 0x0, 0x66, 0x0, 0x0)

204.34138ms ago: executing program 2 (id=568):
mknod(&(0x7f0000000180)='./bus\x00', 0x2000, 0x1762)
unlink(&(0x7f0000000200)='./bus\x00')

201.019829ms ago: executing program 4 (id=569):
r0 = openat$pf(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$TIOCSETA(r0, 0xc0284457, &(0x7f0000000340)={0x3fb, 0xfffffffb, 0x6, 0xfffffffe, "9786ca4b427a02b8000100002016001100", 0xf7ffffff})

198.117732ms ago: executing program 3 (id=570):
r0 = syz_open_pts()
ioctl$TIOCCONS(r0, 0x80047462, &(0x7f0000000080))

111.246424ms ago: executing program 1 (id=571):
openat$wsmouse(0xffffffffffffff9c, &(0x7f0000000800), 0x5a0, 0x0)

13.968565ms ago: executing program 5 (id=572):
r0 = syz_open_pts()
fcntl$lock(r0, 0x9, &(0x7f00000001c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1002700000000})

13.475782ms ago: executing program 0 (id=573):
r0 = socket(0x2, 0x1, 0x0)
getsockopt(r0, 0x0, 0x25, 0x0, 0x0)

0s ago: executing program 1 (id=574):
r0 = socket(0x1e, 0x3, 0x0)
shutdown(r0, 0x1)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.10.43' (ED25519) to the list of known hosts.
pckbd_enable: command error
denied attempt to set clock back -9223372035115422780 seconds
Data modified on freelist: word -35183597136254 of object 0xffff800001468c00 size 0x38 previous type free (invalid addr 0xda055ff9b6a1311b)
panic: Data modified on freelist: word 4 of object 0xffff800001468c00 size 0x38 previous type free (0x0 != 0xdeadbeef)

Starting stack trace...
panic(ffffffff8338747a) at panic+0x1d0
malloc(38,19,1) at malloc+0xd7c
checkalias(fffffd806bdbb8a0,1762,ffff800000b49800) at checkalias+0x21c
ffs_vinit(ffff800000b49800,ffff80003c504550) at ffs_vinit+0x13d
ffs_vget(ffff800000b49800,1e1,ffff80003c504638) at ffs_vget+0x429
ufs_lookup() at ufs_lookup+0x19f8
VOP_LOOKUP(fffffd80658eb460,ffff80003c5048b8,ffff80003c5048e8) at VOP_LOOKUP+0x6e
vfs_lookup(ffff80003c504888) at vfs_lookup+0x8fa
namei(ffff80003c504888) at namei+0x7aa
dounlinkat(ffff8000ffff82b0,ffffff9c,400000000200,0) at dounlinkat+0xc1
syscall(ffff80003c504a60) at syscall+0xb08
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe92db0b69b0, count: 245
End of stack trace.