Extracting prog: 25.496699468s
Minimizing prog: 23m47.448694558s
Simplifying prog options: 0s
Extracting C: 1m0.440212347s
Simplifying C: 2m46.043493781s


extracting reproducer from 51 programs
testing a last program of every proc
single: executing 11 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix-sendmmsg$unix-recvmmsg-write$P9_RUNLINKAT-close-bpf$OBJ_PIN_PROG
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
write$P9_RUNLINKAT(0xffffffffffffffff, 0x0, 0x0)
close(0x3)
bpf$OBJ_PIN_PROG(0x11, &(0x7f0000000280)=@generic={0x0}, 0x18)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
single: successfully extracted reproducer
found reproducer with 33 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix-sendmmsg$unix-recvmmsg-write$P9_RUNLINKAT-close
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
write$P9_RUNLINKAT(0xffffffffffffffff, 0x0, 0x0)
close(0x3)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix-sendmmsg$unix-recvmmsg-write$P9_RUNLINKAT
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
write$P9_RUNLINKAT(0xffffffffffffffff, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix-sendmmsg$unix-recvmmsg
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix-connect$unix
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'}, 0x6e)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix-socketpair$unix
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap-socketpair$unix
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap-mmap
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler-mmap
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity-sched_setscheduler
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r2 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setaffinity
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid-sched_setaffinity
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler-getpid
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$eJzs3c1rHOUfAPDvbPPSX9qfjSBoPQUEDZRuTI2tgoeKBxEsFPRsGzbbULPJhuymNCGgRQQvgooHQS89W603r75c9Q/w7kFaqqbFiAeJzL6k22Y33aTZbMt+PjDJ88zM5jvfeWbmebIz7AbQs0bSH5mIwxHxURJxqDY/iYj+Sqkv4mR1vbXVlVw6JbG+/sYfSWWdW6sruWh4TepArfJERPzwfsSRzOa4paXlmclCIb9Qq4+VZ+fHSkvLR8/PTk7np/Nzx8cnJo6deP7E8d3L9a+flw9e//jVZ74++c97j1/98MckTsbB2rLGPHbLSIzU9kl/ugvv8Eq8s9vhuirp9gawI+mpua96lsfhJC33dXuTAIAOS0eh6wBAj0n0/wDQY+rvA9xaXcnVp+6+I7G3brwcEfur+dfvb1aX9NXu2e2v3AcdupXccWckiYjhXYg/EhFffPvWlXSKDt2HBGjm3UsRcXZ4ZPP1P9n0zMJ2PdvGOiN31Tfi/9J/n9GBe/kuHf+80Gz8l9kY/0ST8c9gk3N3J1qe/xsy13YhTEvp+O+lhmfb1hryrxneV6v9vzLm60/OnS/k02vbIxExGv2DaX18ixijN/+92WpZ4/jvz0/e/jKNn/6+vUbmWt/gna+ZmixP3k/OjW5ciniyr57/pYYlyUb7Jy3Gv6fbjPHaix983mpZmn+ab33anH9nrV+OeLpp+99+oi3Z8vnEscrhMFY/KJr45tfPhlrFb2z/dFpbXVlPIq7sfqbNpe0/tHX+w0nj85ql7cf46fKh71sta5J/rv6/UFXz438gebNSHqjNuzhZLi+MRwwkr2+ef+z2a+v1+vpp/qNPNT//tzr+09HJ2Tbz77v++1c7z7+z0vynttX+2y9cXZvZ1yp+e+0/USmN1uZsff2rXrfb3cD73X8AAAAAAAAAAAAAAAAAAAAAAAAA0I5MRByMJJPdKGcy2Wz1O7wfi6FMoVgqHzlXXJybisp3ZQ9Hf6b+UZeHGj4Pdbz2efj1+rG76s9FxKMR8eng/yr1bK5YmOp28gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQc6DF9/+nfhvs9tYBAB2zv9sbAADsOf0/APQe/T8A9B79PwD0Hv0/APQe/T8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAddvrUqXRa/3t1JZfWpy4sLc4ULxydypdmsrOLuWyuuDCfnS4Wpwv5bK44e6+/VygW5ydibvHiWDlfKo+VlpbPzBYX58pnzs9OTufP5Pv3JCsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA2J7S0vLMZKGQX1B4CAp9tVZ7ULZnR4VMPYm9CjrQxjrr8zdPbTuLB2Bndq7QxYsSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwEPkvwAAAP//vI8fOA==")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
getpid()

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64-prlimit64
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat-prlimit64
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING-mkdirat
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_SQ_RING
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat-mmap$IORING_OFF_SQ_RING
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4-openat
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO-syz_mount_image$ext4
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="f816138bbd850066ab11d412036e242dad7c9c57f7d9fcf57872eeb93fac2ef22d1dabbde17baa47352af09ab8196d3d59027faa708b1e650b5f81c658c98c9992bbe21a891c326815502f54f9e36430c3f91962372faeb0e0b31bf2702df25d021cc2bb21346d78c26806346cace735b56e1bceb4bc2da702ef30d80447aa0aaa4818ce2838431c872219e4dc0d04541d0d8e8edf8f70a15c78208f5dd4b491612f63d7536968d4a9909e4808ddefcd77a2969b8315c5f5fd1336c1759771906ea48043734ec4784b15b6232e7b820c13a90230ef5abbfd6d4d4c8107f6a3de2fb3e7c903971907947e9b4fb6bdd0e40f35f296e4a8e05b4c6c09f070151da7efaeccd4e03fcadf114023530a7f16d31c3f1e81f2d1f45206f8a4b8173408bf5159836262a97aa45e70ba705bec276f96cfbed3dc2252b401e3eba2168d99b256832d1a8594a873d240a6806d9f970dfaf2dd8f821db09eae549692d8cf5a9977a28b2e6cb80027c0da486366f80218decfb0167206fef41fe8dc607d2ef09630f0cf10eef292cab311b40a2b9d54c0da2cbd4ee5a2b88c9a2ddd9d9aa4e5c9c7bee9cfd9519528f02c8a879bf751e2a2e29340e296ce2a208b59384275da6f381c5a630acaefaf40b401d00a18978d4ca1033f8844a78d42e09e4b8aeb4277efe4842f33b019df6dfdc804ded03b7b528982450f634c5da52160233bc92cbf74e9769d4e888c1fce7afda7944c62a832e03a8b6aedb6d42c281880ee3c9caa6c0a6a63668b9a22042efef1493d07d62fdf0de1ff982ed25445fc5636313e7f12aac7ee87b1db0af528917795f368b2cbff84f27ce87b6d33f554d85e8c778f230e7e9a1482835caf82669a00fcfc081513fa830869ae7899af94880f95eb2f36898d91921c4d331e0f839479ea6c4999b09a3f9b0c589d2a34d70cd4b836e77bbd47476b170aceddc981d681ffd5a8c2e02120ff870276dc0b1efab58d5554ff659eb4744f0e909327c0c5e429ab8fde53eb0f203871f29f718d0617b52341d6646f2c78cc602eb05bc47a588f4060857d7263bea35275578e8d26d893629dabb561d6ae7738f6ed446969002a97a4620a85f9b2147e8932043c723e05dcd14cb324add92e6601e9e24c47fb7049b0546f3b59bd2189086f50af05e7ed1b368a17a9117918a0c251f095b31406164db40440ab96680d2777ff18028db29b576098d4643147c78cae57485f57756093cf4290706c09d58a54533a7ece09bc4d6199755c2d820d0ce95420ef74360582fff45d6ab4e5d04e160ab29921139cc2ccc6ca20d4437f2bded1b545ab6bc531da594cc9641cb5b823745c59a5dc984c4b4e0f8dd800afc351256f85f3b7a63323af7c11bb73442d786f883df3d5bfdb7fad63d902b2032403537bb9a36c75fe6e94b355ce3059fa5c8ef95f1e3d58071e6e4d4bb553cc42a1e215291e2a75057f3ef5436c7ca25981477dacdeda9acfc1bc6d90c4a2c3bf3e34d5468bd593297250f2acf180bca8e1882dd7323ee83994d89e6f0ad600f60538558ed623686dc00c5db875c57646e3b213d07c41c68a372aa18e342287dba274a6ac4eef5bcd", 0x470}], 0x3}}], 0x1, 0x40)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-sendmmsg$inet
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
sendmmsg$inet(r1, &(0x7f0000003700)=[{{0x0, 0x0, &(0x7f00000022c0)=[{&(0x7f0000000840)="182a2a9adb241d546d3547ffa746cd80615f21ac6793936b463e456284d5763546df92150981d07910fa95477488d42680cd9354b6e5c987a726735a48c244aefa3a61f4", 0x44}, {&(0x7f00000008c0)="9c0b0ec4da53980d15cf817436167980497ea5ba84b6c8d7c472a1db414a7206b84ed011660b997d2d118163dc0a4264c24ce2c999f96dfc806aa4b8cd6f46daea4ab6ee9948a3ff1cbb325fbe45d059c9c995899466bcc7f5e2d0db2c02c1bf2470907bb75dc944d7735acf5d4660b4449e8ce287ec126fef8fda41abb8a4e43e722e919da4db4d8b8af18cbe950d770a4d17d75c9b311d9498ee2a45e499c92db127064c9125d2cd708eb35d9d358458b0e78c9cc6d65158a213f730b3d5b9b74127ae8cf2dcdb1819a901c56262e6c5c0221331", 0xd5}, {&(0x7f00000010c0)="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", 0x470}], 0x3}}], 0x1, 0x40)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-setsockopt$sock_int-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000180)=0x1, 0x4)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-connect$inet-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast2}, 0x10)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-socket$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(0xffffffffffffffff, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bind$inet-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r0, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r0, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff}) (async)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$NILFS_IOCTL_GET_CPINFO(r0, 0x80186e82, &(0x7f00000003c0)={&(0x7f0000000300)=[{0x3, 0x0, 0x6, 0x80000001, 0x4, 0x2, 0x0, 0x8000000000000001}, {0x0, 0x0, 0x7ff, 0x3, 0x92b7, 0x9, 0x100000000, 0x8000000000000000}, {0x2, 0x0, 0x4, 0x4, 0x0, 0x5bc, 0x100000001, 0x2}], 0x3, 0x38, 0x1, 0x7fff})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-socket$pppl2tp-connect$pppl2tp-ioctl$NILFS_IOCTL_GET_CPINFO
detailed listing:
executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32)
ioctl$NILFS_IOCTL_GET_CPINFO(r1, 0x80186e82, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 29m53.414056653s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff8881233a7150 by task syz.2.17/373

CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd47f826159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc170384d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc170385c0 RCX: 00007fd47f826159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006659 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd47faadfac R14: 00007fd47faadfa8 R15: 00007fd47faadfa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff8881233a7000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff8881233a7000, ffff8881233a7200)
The buggy address belongs to the page:
page:ffffea00048ce900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1233a4
head:ffffea00048ce900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 368, ts 26213909254, free_ts 25183091410
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc+0x16a/0x2c0 mm/slub.c:4432
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3783
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3879
 addrconf_add_mroute net/ipv6/addrconf.c:2542 [inline]
 addrconf_add_dev+0x385/0x4c0 net/ipv6/addrconf.c:2560
 addrconf_dev_config net/ipv6/addrconf.c:3439 [inline]
 addrconf_init_auto_addrs+0x7ae/0xbd0 net/ipv6/addrconf.c:3527
 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3696
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2070 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2082 [inline]
 call_netdevice_notifiers net/core/dev.c:2096 [inline]
 __dev_notify_flags+0x2f4/0x5b0 net/core/dev.c:8925
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 kasan_depopulate_vmalloc_pte+0x6b/0x90 mm/kasan/shadow.c:354
 apply_to_pte_range mm/memory.c:2645 [inline]
 apply_to_pmd_range mm/memory.c:2689 [inline]
 apply_to_pud_range mm/memory.c:2725 [inline]
 apply_to_p4d_range mm/memory.c:2761 [inline]
 __apply_to_page_range+0x8ca/0xc70 mm/memory.c:2797
 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2830
 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:464
 __purge_vmap_area_lazy+0xa8d/0x1890 mm/vmalloc.c:1723
 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1742
 free_vmap_area_noflush+0xa59/0xaa0 mm/vmalloc.c:1784
 free_unmap_vmap_area mm/vmalloc.c:1797 [inline]
 remove_vm_area+0x1c1/0x1e0 mm/vmalloc.c:2552
 vm_remove_mappings mm/vmalloc.c:2581 [inline]
 __vunmap+0x259/0x980 mm/vmalloc.c:2650
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __fput+0x22b/0x900 fs/file_table.c:311

Memory state around the buggy address:
 ffff8881233a7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881233a7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881233a7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff8881233a7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881233a7200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff8881233a7150 by task syz.2.17/373

CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd47f826159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc170384d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc170385c0 RCX: 00007fd47f826159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000006659 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd47faadfac R14: 00007fd47faadfa8 R15: 00007fd47faadfa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff8881233a7000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff8881233a7000, ffff8881233a7200)
The buggy address belongs to the page:
page:ffffea00048ce900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1233a4
head:ffffea00048ce900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 368, ts 26213909254, free_ts 25183091410
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc+0x16a/0x2c0 mm/slub.c:4432
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3783
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3879
 addrconf_add_mroute net/ipv6/addrconf.c:2542 [inline]
 addrconf_add_dev+0x385/0x4c0 net/ipv6/addrconf.c:2560
 addrconf_dev_config net/ipv6/addrconf.c:3439 [inline]
 addrconf_init_auto_addrs+0x7ae/0xbd0 net/ipv6/addrconf.c:3527
 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3696
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2070 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2082 [inline]
 call_netdevice_notifiers net/core/dev.c:2096 [inline]
 __dev_notify_flags+0x2f4/0x5b0 net/core/dev.c:8925
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 kasan_depopulate_vmalloc_pte+0x6b/0x90 mm/kasan/shadow.c:354
 apply_to_pte_range mm/memory.c:2645 [inline]
 apply_to_pmd_range mm/memory.c:2689 [inline]
 apply_to_pud_range mm/memory.c:2725 [inline]
 apply_to_p4d_range mm/memory.c:2761 [inline]
 __apply_to_page_range+0x8ca/0xc70 mm/memory.c:2797
 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2830
 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:464
 __purge_vmap_area_lazy+0xa8d/0x1890 mm/vmalloc.c:1723
 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1742
 free_vmap_area_noflush+0xa59/0xaa0 mm/vmalloc.c:1784
 free_unmap_vmap_area mm/vmalloc.c:1797 [inline]
 remove_vm_area+0x1c1/0x1e0 mm/vmalloc.c:2552
 vm_remove_mappings mm/vmalloc.c:2581 [inline]
 __vunmap+0x259/0x980 mm/vmalloc.c:2650
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __fput+0x22b/0x900 fs/file_table.c:311

Memory state around the buggy address:
 ffff8881233a7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881233a7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881233a7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff8881233a7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881233a7200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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