Extracting prog: 2m18.656519382s Minimizing prog: 15m24.882977237s Simplifying prog options: 0s Extracting C: 33.590234593s Simplifying C: 2m39.875046396s extracting reproducer from 17 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}}): syz_usb_connect$hid-syz_usb_control_io$hid-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mmap$IORING_OFF_SQ_RING-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$zero-read-syz_open_procfs$namespace-syz_mount_image$ext4-mkdirat-ioctl$FS_IOC_SET_ENCRYPTION_POLICY-getpid-syz_open_dev$tty1-socket-read$hiddev-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000280)=ANY=[@ANYBLOB="12010000000000401904000600000000000109022400010000f80009040010020300030009210000000122180009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000000)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x8) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000080)=0x2) sched_setscheduler(r1, 0x1, &(0x7f00000000c0)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000140)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f00000001c0), 0x651, 0x0) recvmmsg(r2, &(0x7f0000000200), 0x4000087, 0x2, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r4 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) close_range(r4, r4, 0x200000000000000) r5 = openat$zero(0xffffffffffffff9c, 0x0, 0x0, 0x0) read(r5, 0x0, 0x0) syz_open_procfs$namespace(r1, &(0x7f0000000240)='ns/time_for_children\x00') r6 = syz_mount_image$ext4(&(0x7f00000002c0)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x10008, &(0x7f0000000340)={[{@debug}, {@resuid={'resuid', 0x3d, 0xee01}}]}, 0xff, 0x49e, &(0x7f0000000500)="$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") mkdirat(0xffffffffffffff9c, &(0x7f00000009c0)='./file0\x00', 0x182) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r6, 0x800c6613, &(0x7f0000000a00)=@v2={0x2, @adiantum, 0x2, '\x00', @d}) getpid() syz_open_dev$tty1(0xc, 0x4, 0x1) socket(0x10, 0x803, 0x0) read$hiddev(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000480)={0x24, 0x0, 0x0, &(0x7f00000004c0)=ANY=[@ANYBLOB='\x00\"X\x00\x00\x00'], 0x0}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): connect$inet-socketpair$unix-dup2-setsockopt$inet_int-syz_emit_ethernet-bpf$PROG_LOAD_XDP-syz_mount_image$ext4-openat$dir-socket$nl_netfilter-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_TID_CONFIG-sendmsg$IPCTNL_MSG_EXP_NEW-ioctl$FS_IOC_FSSETXATTR-openat$sysfs-write$cgroup_subtree-mknodat$null-connect$inet-socketpair$unix-dup2-setsockopt$inet_int-syz_emit_ethernet-bpf$PROG_LOAD_XDP-syz_mount_image$ext4-openat$dir-socket$nl_netfilter-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_TID_CONFIG-sendmsg$IPCTNL_MSG_EXP_NEW-ioctl$FS_IOC_FSSETXATTR-openat$sysfs-write$cgroup_subtree-mknodat$null detailed listing: executing program 0: connect$inet(0xffffffffffffffff, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)) dup2(0xffffffffffffffff, 0xffffffffffffffff) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0xb, 0x0, 0x0) syz_emit_ethernet(0x46, &(0x7f00000003c0)={@link_local={0x3}, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x7, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast2}, @time_exceeded={0x3, 0x4, 0x0, 0x12, 0x0, 0x3f18, {0x5, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @loopback, @loopback}, "73ae4bb7ae9b1c03"}}}}}, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) syz_mount_image$ext4(&(0x7f0000000480)='ext4\x00', &(0x7f00000004c0)='./file1\x00', 0x2010008, &(0x7f0000000500), 0xff, 0x553, &(0x7f0000000540)="$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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./file1\x00', 0x0, 0xa0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000080)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_TID_CONFIG(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000008900000008000300", @ANYRES32=r4, @ANYBLOB="0004000400280000800c000200ff0100000000000005000700150000000c0003000800000000000000040004005ffe008005000a000000000004000400000007f3bd4c1041a37dad5f408118638f7bb0d6fc1f758c1618014873987e21a1c60ca07f1306fb062d088cff6ba6ade7f3f95458eccb00"/136], 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0) sendmsg$IPCTNL_MSG_EXP_NEW(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="3400000000020101000000000000000002000003040001800400038018000280140001800a0001"], 0x34}, 0x1, 0x0, 0x0, 0x914}, 0x20000080) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000140)='/sys/power/pm_trace', 0x1, 0x80) write$cgroup_subtree(r5, &(0x7f0000000180)={[{0x2d, 'cpuacct'}]}, 0x9) mknodat$null(r0, &(0x7f0000000000)='./file1\x00', 0x2000, 0x103) connect$inet(0xffffffffffffffff, 0x0, 0x0) (async) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)) (async) dup2(0xffffffffffffffff, 0xffffffffffffffff) (async) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0xb, 0x0, 0x0) (async) syz_emit_ethernet(0x46, &(0x7f00000003c0)={@link_local={0x3}, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x38, 0x0, 0x0, 0x7, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast2}, @time_exceeded={0x3, 0x4, 0x0, 0x12, 0x0, 0x3f18, {0x5, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @loopback, @loopback}, "73ae4bb7ae9b1c03"}}}}}, 0x0) (async) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) (async) syz_mount_image$ext4(&(0x7f0000000480)='ext4\x00', &(0x7f00000004c0)='./file1\x00', 0x2010008, &(0x7f0000000500), 0xff, 0x553, &(0x7f0000000540)="$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") (async) openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./file1\x00', 0x0, 0xa0) (async) socket$nl_netfilter(0x10, 0x3, 0xc) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000080)={'wlan1\x00'}) (async) sendmsg$NL80211_CMD_SET_TID_CONFIG(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000008900000008000300", @ANYRES32=r4, @ANYBLOB="0004000400280000800c000200ff0100000000000005000700150000000c0003000800000000000000040004005ffe008005000a000000000004000400000007f3bd4c1041a37dad5f408118638f7bb0d6fc1f758c1618014873987e21a1c60ca07f1306fb062d088cff6ba6ade7f3f95458eccb00"/136], 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) sendmsg$IPCTNL_MSG_EXP_NEW(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="3400000000020101000000000000000002000003040001800400038018000280140001800a0001"], 0x34}, 0x1, 0x0, 0x0, 0x914}, 0x20000080) (async) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000140)='/sys/power/pm_trace', 0x1, 0x80) (async) write$cgroup_subtree(r5, &(0x7f0000000180)={[{0x2d, 'cpuacct'}]}, 0x9) (async) mknodat$null(r0, &(0x7f0000000000)='./file1\x00', 0x2000, 0x103) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom-madvise-mlock-socketpair$unix-sendmsg$inet-ioctl$FS_IOC_SETFLAGS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$inet(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)='U', 0x1080}], 0x21}, 0x0) ioctl$FS_IOC_SETFLAGS(r3, 0x40086602, &(0x7f0000000000)=0x4000) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work single: successfully extracted reproducer found reproducer with 21 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom-madvise-mlock-socketpair$unix-sendmsg$inet detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$inet(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000380)='U', 0x1080}], 0x21}, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom-madvise-mlock-socketpair$unix detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom-madvise-mlock detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom-madvise detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair-getrandom detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) getrandom(&(0x7f00000003c0)=""/286, 0xffffff9a, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close-socketpair detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) socketpair(0x2, 0x6, 0x0, &(0x7f0000000280)) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-close detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) close(0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop-ioctl$LOOP_SET_STATUS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x4000005, 0x9, 0x8, 0x4, "28f5c9bde58cd7af40fd150b70aa23051b5cbd5bba76634793ddd7aae07ef35f17bf01933bdb6fd7ecdd91b59ca8d54100000000000000000000d7e6631000", "07b159000000000000c41f00", [0x76, 0xb]}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID-syz_open_dev$loop detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) syz_open_dev$loop(&(0x7f0000000080), 0x1fd, 0x12f382) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r5 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r5, r4, 0x0, 0x20c3) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-sendfile detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040), 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) r4 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) sendfile(r4, r3, 0x0, 0x20c3) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-openat$tcp_mem-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-openat$procfs-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) openat$procfs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/diskstats\x00', 0x0, 0x0) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-sendfile-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-setsockopt$inet6_MCAST_JOIN_GROUP-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r2, 0x29, 0x6, &(0x7f0000000180)={0x14, {{0x29, 0x0, 0x43000000, @private2={0xfc, 0x2, '\x00', 0x80}}}}, 0x88) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r3, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-socket$inet6-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) socket$inet6(0xa, 0x2, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r0, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r1, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r1, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r1, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(0x0, 0x0) ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x40047452, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x40047452, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program did not crash validation run: crashed=false testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program did not crash validation run: crashed=false testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5) syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58) ioctl$EXT4_IOC_GETFSUUID(r2, 0x40047452, 0x0) program crashed: KASAN: use-after-free Write in corrupted validation run: crashed=true reproducing took 23m29.984740539s repro crashed as (corrupted=true): ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: use-after-free in atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline] BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline] BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:173 [inline] BUG: KASAN: use-after-free in mutex_lock+0x85/0xf0 kernel/locking/mutex.c:298 Write of size 8 at addr ffff88810f8bdd50 by task syz.2.17/368 CPU: 1 PID: 368 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 report is corrupted, running repro again testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 Read of size 4 at addr ffff88811edfc800 by task syz-executor362/289 CPU: 1 PID: 289 Comm: syz-executor362 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa7c/0x24e0 kernel/exit.c:879 __do_sys_exit kernel/exit.c:962 [inline] __se_sys_exit kernel/exit.c:960 [inline] __x64_sys_exit+0x40/0x40 kernel/exit.c:960 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f017dc3dd79 Code: Unable to access opcode bytes at RIP 0x7f017dc3dd4f. RSP: 002b:00007ffd6a9cbec8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f017dc3dd79 RDX: 00007f017dc4f557 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000023800000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6a9cc0e8 R13: 0000000000000002 R14: 00007f017dcceca0 R15: 0000000000000002 Allocated by task 288: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [inline] l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772 __sys_connect_file net/socket.c:1867 [inline] __sys_connect+0x3ce/0x450 net/socket.c:1884 __do_sys_connect net/socket.c:1894 [inline] __se_sys_connect net/socket.c:1891 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1891 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 49: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kfree+0xc0/0x270 mm/slub.c:4196 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xb2/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1235 [inline] l2tp_tunnel_del_work+0x180/0x3d0 net/l2tp/l2tp_core.c:1273 process_one_work+0x6fd/0xbc0 kernel/workqueue.c:2301 worker_thread+0xa8e/0x13c0 kernel/workqueue.c:2447 kthread+0x324/0x3b0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff88811edfc800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88811edfc800, ffff88811edfca00) The buggy address belongs to the page: page:ffffea00047b7f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11edfc head:ffffea00047b7f00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 285, ts 20082852272, free_ts 0 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xdc/0x520 net/core/skbuff.c:212 alloc_skb include/linux/skbuff.h:1126 [inline] sock_wmalloc+0xb5/0x130 net/core/sock.c:2241 unix_stream_connect+0x2f8/0xf90 net/unix/af_unix.c:1274 __sys_connect_file net/socket.c:1867 [inline] __sys_connect+0x3ce/0x450 net/socket.c:1884 __do_sys_connect net/socket.c:1894 [inline] __se_sys_connect net/socket.c:1891 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1891 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page_owner free stack trace missing Memory state around the buggy address: ffff88811edfc700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811edfc780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811edfc800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811edfc880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811edfc900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 289 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Modules linked in: CPU: 1 PID: 289 Comm: syz-executor362 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Code: 5d c3 e8 ec ed 34 fd be 02 00 00 00 eb 0a e8 e0 ed 34 fd be 01 00 00 00 4c 89 f7 e8 63 69 0e fe e9 0f ff ff ff e8 c9 ed 34 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 b8 ed 34 fd 4c 89 f7 be 03 RSP: 0018:ffffc9000096fc40 EFLAGS: 00010293 RAX: ffffffff842fc8f7 RBX: ffff88811eee2000 RCX: ffff88811ed90000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000c04eb7d RBP: ffffc9000096fc60 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0dcfa48 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811edfc800 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f017dc4f4f0 CR3: 000000010d70e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa7c/0x24e0 kernel/exit.c:879 __do_sys_exit kernel/exit.c:962 [inline] __se_sys_exit kernel/exit.c:960 [inline] __x64_sys_exit+0x40/0x40 kernel/exit.c:960 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f017dc3dd79 Code: Unable to access opcode bytes at RIP 0x7f017dc3dd4f. RSP: 002b:00007ffd6a9cbec8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f017dc3dd79 RDX: 00007f017dc4f557 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000023800000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6a9cc0e8 R13: 0000000000000002 R14: 00007f017dcceca0 R15: 0000000000000002 --