Extracting prog: 1m15.668180771s
Minimizing prog: 24m3.509470574s
Simplifying prog options: 0s
Extracting C: 51.46338981s
Simplifying C: 7m32.598342327s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: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$nl_route-sendmsg$nl_route_sched-syz_mount_image$msdos-bpf$PROG_LOAD-syz_open_procfs-syz_fuse_handle_req-bpf$PROG_LOAD-sendmsg$nl_route-syz_emit_ethernet-socket$netlink-sendmmsg-bpf$PROG_LOAD-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x2000c015}, 0x2404c8c0) (async)
syz_mount_image$msdos(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x8810, &(0x7f0000000200)={[{@dots}, {@dots}, {@fat=@dos1xfloppy}, {@dots}, {@fat=@uid}, {@dots}, {@fat=@uid}, {@fat=@nfs_nostale_ro}, {@nodots}]}, 0x1, 0x29b, &(0x7f0000000700)="$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") (async)
bpf$PROG_LOAD(0x5, &(0x7f0000001540)={0xd, 0x20000000000000bb, &(0x7f0000000300)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000756c6c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb714000008"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x20, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = syz_open_procfs(0x0, &(0x7f0000000140)='net/ip6_tables_targets\x00')
syz_fuse_handle_req(r1, 0x0, 0x0, &(0x7f0000003ec0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0xe, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @sk_skb=0x5, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000340)={0x2, 0x200008, 0x8, 0x1ffff}, 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94) (async)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="4c0000001800010800000000000000850a600000000000000500000014000500200100000000000000000300000000001c00090008000000", @ANYRES32], 0x4c}}, 0x0) (async)
syz_emit_ethernet(0x4a, &(0x7f0000000000)={@link_local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}, @val={@void}, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "fec000", 0x10, 0x3a, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @mcast2, {[], @ni={0x4e8ef1decde2b390, 0x0, 0x0, 0x1, 0x2, 0xa6f}}}}}}, 0x0) (async)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x1, 0xe, &(0x7f0000000780)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0xffffff8d}, 0x48) (async)
sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=@newlink={0x28, 0x10, 0x1, 0x70bd25, 0x25dfdbff, {0x0, 0x0, 0x0, 0x0, 0x6293a, 0x3}, [@IFLA_GROUP={0x8}]}, 0x28}, 0x1, 0x0, 0x0, 0x40845}, 0x4000000)

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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ-openat-openat$incfs-ioctl$TIOCL_GETKMSGREDIRECT-syz_mount_image$ext4-open
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$eJzs3M9rXNUeAPDvvfnR5vVH8vr63rO1amoRgj+SJq3ahRtFwUVFQRd1GZO0hE4baaLYUmwqUjeCFHQtLgX/AnciiroS3OrGlRSKdtMqCJF7594kM5lpGjvJxMznA5M5594zOed7f557ziQBdKzB7EcSsTMifoyI/mq2tsBg9e3WjYsTv9+4OJHEwsLLvyZ5uZs3Lk6URcvP7SgyQ2lE+m5SVFJr9vyF0+OVytS5Ij8yd+b1kdnzFx5788z4qalTU2fHjh07emT0ySfGHm9JnFlcN/e/PXNg3/OvXn1h4sTV1779LGvvzmL98jhaZTAL/LeFXP26h1pdWZvtWpZOutvYENakKyKy3dWTn//90RVLO68/nnunrY0D1lV2b9rWfPX8ArCFJdHuFgDtUd7os+ff8rVBXY9N4frT1QegLO5bxau6pjvSokxP3fNtKw1GxIn5Pz7OXrFO4xAAAMu9P/HR8Xi0Uf8vjf/l7z/nP3cXcygDEfHviNgTEf+JiL0R8d+IvOz/I+KeNdS9PVZODa3s/6TX7irAVWT9v6eKua3a/l/Z+4uBriK3K4+/Jzk5XZk6XGyToejZluVHb1PHF8/+8EGzdcv7f9krq7/sCxbtuNZdN0A3OT43nndKW+D65Yj93Y3iTxZnApKI2BcR+9f2q3eXiemHPz3QrNDq8d9GC+aZFj7JwpvP4p+PuvhLyfL5yekV85Mj26MydXikPCpW+u77Ky81q/+u4m+B61PV92X7v77IQLJ8vnZ27XVc+em9ps80S/H3NT/+k9rPTI7Ppb3JK/k8c2+x7K3xublzoxG9yfE8X7N8bOmzZb4snx3/Q4can/97is9k1d8bEdlBfF9E3B8RDxRtPxgRD0bEodvE/80zReJg8/gjbdP+vxwx2fD6t7jRB5LskFjc/2tPdJ3++vNm9d/Z9e9onhoqluTXv1U0ak52uahv4N1sOwAAAPinSPPvwCfp8GI6TYeHq9/h3xv/Siszs3OPnJx54+xk9bvyA9GTliNd/cV4aGW6MjWazBe/sTo+OlaMFZfjpUeKceMPu/ry/PDETGWyzbFDp9vR5PzP/NLV7tYB66yv4dKx3kZLXRFgq6mfR09rs5dejIYXA2AL8Pfa0LlWOf/TjWoHsPHc/6Fj9X3VYOGluryRP9ia3P+hczn/oUOlX7a7BUAbuf9DR/obf86/EYntm6MZNf8pYH59ttif1X9YEUtLNutOyRMRZSLdFO2RWHNi2x0VbutlCQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoGX+CgAA//9vU+a2")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})
r7 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xc2c02e4d8eb3e456, 0x0)
r8 = openat$incfs(r7, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x130)
ioctl$TIOCL_GETKMSGREDIRECT(r8, 0xc058671e, &(0x7f00000000c0))
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f00000002c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000700)={[{@min_batch_time={'min_batch_time', 0x3d, 0x9}}, {@jqfmt_vfsv0}, {@min_batch_time={'min_batch_time', 0x3d, 0x3ff}}, {@noload}, {@grpjquota_path={'grpjquota', 0x3d, '.\x02'}}, {@nobarrier}, {@grpjquota}, {@nobarrier}, {@errors_continue}, {@dioread_lock}, {@journal_ioprio={'journal_ioprio', 0x3d, 0x2}}]}, 0xfa, 0x4a0, &(0x7f0000000e00)="$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")
open(&(0x7f00000000c0)='.\x00', 0x8000, 0x50)

program crashed: KASAN: use-after-free Write in pppol2tp_release
single: successfully extracted reproducer
found reproducer with 30 syscalls
minimizing guilty program
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ-openat-openat$incfs-ioctl$TIOCL_GETKMSGREDIRECT-syz_mount_image$ext4
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})
r7 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xc2c02e4d8eb3e456, 0x0)
r8 = openat$incfs(r7, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x130)
ioctl$TIOCL_GETKMSGREDIRECT(r8, 0xc058671e, &(0x7f00000000c0))
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f00000002c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000700)={[{@min_batch_time={'min_batch_time', 0x3d, 0x9}}, {@jqfmt_vfsv0}, {@min_batch_time={'min_batch_time', 0x3d, 0x3ff}}, {@noload}, {@grpjquota_path={'grpjquota', 0x3d, '.\x02'}}, {@nobarrier}, {@grpjquota}, {@nobarrier}, {@errors_continue}, {@dioread_lock}, {@journal_ioprio={'journal_ioprio', 0x3d, 0x2}}]}, 0xfa, 0x4a0, &(0x7f0000000e00)="$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")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ-openat-openat$incfs-ioctl$TIOCL_GETKMSGREDIRECT
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})
r7 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xc2c02e4d8eb3e456, 0x0)
r8 = openat$incfs(r7, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x130)
ioctl$TIOCL_GETKMSGREDIRECT(r8, 0xc058671e, &(0x7f00000000c0))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ-openat-openat$incfs
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})
r7 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xc2c02e4d8eb3e456, 0x0)
openat$incfs(r7, &(0x7f0000000280)='.pending_reads\x00', 0x1, 0x130)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ-openat
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})
openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0xc2c02e4d8eb3e456, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs-ioctl$BINDER_WRITE_READ
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)
ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f0000000000)="b7e9"})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch-mount$incfs
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x82, 0x0)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init-inotify_add_watch
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
r6 = inotify_init()
inotify_add_watch(r6, &(0x7f00000000c0)='./file0\x00', 0x40003fc)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat-inotify_init
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
inotify_init()

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE-mkdirat
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4-setsockopt$inet6_tcp_TCP_REPAIR_QUEUE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")
setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE-syz_mount_image$ext4
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x998705, &(0x7f0000000480)={[{@nojournal_checksum}, {@journal_dev={'journal_dev', 0x3d, 0xff}}, {@noauto_da_alloc}, {@nouid32}, {@nombcache}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x8d55}}]}, 0x0, 0x49b, &(0x7f0000000c00)="$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")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$TIOCOUTQ
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540)={<r5=>0xffffffffffffffff}, 0x80)
ioctl$TIOCOUTQ(r5, 0x5411, &(0x7f0000000580))

program did not crash
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-pipe2-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
pipe2(&(0x7f0000000540), 0x80)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$UI_SET_EVBIT-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$UI_SET_EVBIT(r4, 0x40045564, 0x4)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-io_submit-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
io_submit(0x0, 0xfffffffffffffe22, 0x0)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-openat$uinput-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
openat$uinput(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-epoll_create1-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
epoll_create1(0x80000)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$UI_DEV_CREATE-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$UI_DEV_CREATE(r0, 0x5501)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$UI_SET_SNDBIT-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x6)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-write$binfmt_misc-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
write$binfmt_misc(r1, &(0x7f0000000040), 0xffc1)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-socket$inet6_udp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program did not crash
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$pppl2tp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r2, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000440))

program did not crash
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-close-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
close(r1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(0xffffffffffffffff, 0x80083314, &(0x7f0000000440))

program did not crash
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$inet_udp-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-ioctl$UI_SET_EVBIT-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-ioctl$UI_DEV_SETUP-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$UI_DEV_SETUP(r0, 0x405c5503, &(0x7f00000005c0)={{0x0, 0x9, 0x5, 0x23}, 'syz0\x00', 0x31})
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r1, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {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}}): openat$uinput-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000440))

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, &(0x7f0000000440))

program did not crash
testing program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, 0x0)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
extracting C reproducer
testing compiled C program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=32.80656543s, {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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program did not crash
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
validation run: crashed=true
testing program (duration=32.80656543s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$SNAPSHOT_ALLOC_SWAP_PAGE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @broadcast}, 0x2, 0x0, 0x3}}, 0x26)
ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r0, 0x80083314, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 35m26.413001055s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
Write of size 8 at addr ffff888114521950 by task syz.2.17/375

CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 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:102 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
 mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:441
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efc9519de59
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:00007ffe4e8fc278 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe4e8fc360 RCX: 00007efc9519de59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000000063b5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33220000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efc95425fac R14: 00007efc95425fa8 R15: 00007efc95425fa0
 </TASK>

Allocated by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771
 __sys_connect_file net/socket.c:2000 [inline]
 __sys_connect+0x3da/0x460 net/socket.c:2017
 __do_sys_connect net/socket.c:2027 [inline]
 __se_sys_connect net/socket.c:2024 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2024
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1582
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:438
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888114521800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888114521800, ffff888114521a00)

The buggy address belongs to the physical page:
page:ffffea0004514800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114520
head:ffffea0004514800 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 371, tgid 371 (syz-executor), ts 25538881637, free_ts 25173985985
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc_node+0xa2/0x1e0 mm/slab_common.c:945
 kmalloc_node include/linux/slab.h:589 [inline]
 kzalloc_node include/linux/slab.h:710 [inline]
 qdisc_alloc+0x82/0x750 net/sched/sch_generic.c:951
 qdisc_create_dflt+0x6b/0x3a0 net/sched/sch_generic.c:1009
 attach_one_default_qdisc net/sched/sch_generic.c:1172 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1190 [inline]
 dev_activate+0x30e/0x1110 net/sched/sch_generic.c:1249
 __dev_open+0x40d/0x520 net/core/dev.c:1518
 __dev_change_flags+0x1f2/0x6b0 net/core/dev.c:8692
 dev_change_flags+0x80/0x1a0 net/core/dev.c:8763
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176
 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2761

Memory state around the buggy address:
 ffff888114521800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888114521880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888114521900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888114521980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888114521a00: 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:102 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
Write of size 8 at addr ffff888114521950 by task syz.2.17/375

CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 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:102 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1779 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:176 [inline]
 mutex_lock+0x86/0x1b0 kernel/locking/mutex.c:295
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:441
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efc9519de59
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:00007ffe4e8fc278 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe4e8fc360 RCX: 00007efc9519de59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000000063b5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33220000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efc95425fac R14: 00007efc95425fa8 R15: 00007efc95425fa0
 </TASK>

Allocated by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1609
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771
 __sys_connect_file net/socket.c:2000 [inline]
 __sys_connect+0x3da/0x460 net/socket.c:2017
 __do_sys_connect net/socket.c:2027 [inline]
 __se_sys_connect net/socket.c:2024 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2024
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 375:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1582
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:438
 __sock_release net/socket.c:652 [inline]
 sock_close+0xc9/0x220 net/socket.c:1389
 __fput+0x1fd/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888114521800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888114521800, ffff888114521a00)

The buggy address belongs to the physical page:
page:ffffea0004514800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114520
head:ffffea0004514800 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 371, tgid 371 (syz-executor), ts 25538881637, free_ts 25173985985
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc_node+0xa2/0x1e0 mm/slab_common.c:945
 kmalloc_node include/linux/slab.h:589 [inline]
 kzalloc_node include/linux/slab.h:710 [inline]
 qdisc_alloc+0x82/0x750 net/sched/sch_generic.c:951
 qdisc_create_dflt+0x6b/0x3a0 net/sched/sch_generic.c:1009
 attach_one_default_qdisc net/sched/sch_generic.c:1172 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1190 [inline]
 dev_activate+0x30e/0x1110 net/sched/sch_generic.c:1249
 __dev_open+0x40d/0x520 net/core/dev.c:1518
 __dev_change_flags+0x1f2/0x6b0 net/core/dev.c:8692
 dev_change_flags+0x80/0x1a0 net/core/dev.c:8763
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1580 [inline]
 free_pcp_prepare mm/page_alloc.c:1654 [inline]
 free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
 free_unref_page+0x93/0x530 mm/page_alloc.c:3719
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6020
 __free_slab+0xc7/0x1a0 mm/slub.c:2044
 free_slab mm/slub.c:2059 [inline]
 discard_slab mm/slub.c:2065 [inline]
 __unfreeze_partials+0x15a/0x190 mm/slub.c:2614
 put_cpu_partial+0xa9/0x100 mm/slub.c:2690
 __slab_free+0x1c4/0x280 mm/slub.c:3589
 do_slab_free mm/slub.c:3666 [inline]
 ___cache_free+0xbf/0xd0 mm/slub.c:3722
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 kmem_cache_alloc_node+0x179/0x330 mm/slub.c:3429
 __alloc_skb+0xe8/0x4a0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1322 [inline]
 alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176
 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2761

Memory state around the buggy address:
 ffff888114521800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888114521880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888114521900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888114521980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888114521a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================