Extracting prog: 28.628901085s Minimizing prog: 15m34.783667584s Simplifying prog options: 0s Extracting C: 1m1.158407137s Simplifying C: 3m14.588608062s extracting reproducer from 67 programs testing a last program of every proc single: executing 20 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_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2-prctl$PR_SET_VMA-write$binfmt_elf64-ioctl$BTRFS_IOC_QUOTA_CTL-close-syz_mount_image$msdos detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x4051, 0x0) write$binfmt_elf64(r0, &(0x7f0000001180)=ANY=[], 0x178) ioctl$BTRFS_IOC_QUOTA_CTL(r1, 0xc0109428, &(0x7f0000000380)={0x3, 0x8000000000000000}) close(r0) syz_mount_image$msdos(&(0x7f0000000400), &(0x7f00000004c0)='./file0\x00', 0x0, &(0x7f0000000500)={[{@fat=@fmask={'fmask', 0x3d, 0xf1}}, {@fat=@dos1xfloppy}, {@nodots}, {@fat=@debug}, {@fat=@dos1xfloppy}, {@fat=@debug}, {@nodots}]}, 0x0, 0x239, &(0x7f0000000900)="$eJzs3D9rq1UcB/DTm97mNpd7ySTodNBFl6B3dlCkQjGgWFPUQXhKUw2JScmTIXExs5OvwdFBFycF30HfhLoVoXTRRY+0T9ImrS0Fkxbs57Pk95zvOU/OyZ+HcALP4etff97ey2t72WD7UXklPHgjjP/4K6VqeBCmxuGV7z88/mprLcyJMT5N5aJ+vP3D05/K4aD6yeHRs98Onjt4/vDvDz5r5bGVx25vELO40+sNsp1OM+628nYtxvc6zSxvxlY3b/bn8r1Ob39/FLPu7pPKfr+Z5zHrjmK7OYqDXhz0RzH7NGt1Y61Wi08qgf+i8e2fKYWjlFIqj0NK6a4nxC3z/t9vWx99/M6b9frG+zE+CuH38bAxbBSPRf72Zn3j1Xiqej7qeDhslM7y14o8zpx2OGw8DJVJ/uxSfjJ+Lbz8UpGfZG+9W7+Qr4fdpa8eAAAAAAD+n2rxzOX9/ZXJ4Xz+a+V0f784mPl/oNi//+bnyfjV8MLqLS8GAAAA+Ff56It21uk0+7PFL5shzLSUQgjnfdbDfOclFathvmU64aU+6aKLlVBsoizwzKkcwpInn//YLk1e7YvR2rRl/brPz+KLh1fMZ0HF47OWUL3ZqNKip/Hd7Xytbl5cc9F4cXnXIwAAYHnOf/Tf9UwAAAAAAAAAAAAAAAAAAADg/rrB/cCmt3q7uk9K6cuTHlec525XCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABwvX8CAAD//+B5UWo=") program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work single: successfully extracted reproducer found reproducer with 18 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2-prctl$PR_SET_VMA-write$binfmt_elf64-ioctl$BTRFS_IOC_QUOTA_CTL-close detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x4051, 0x0) write$binfmt_elf64(r0, &(0x7f0000001180)=ANY=[], 0x178) ioctl$BTRFS_IOC_QUOTA_CTL(r1, 0xc0109428, &(0x7f0000000380)={0x3, 0x8000000000000000}) close(r0) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2-prctl$PR_SET_VMA-write$binfmt_elf64-ioctl$BTRFS_IOC_QUOTA_CTL detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x4051, 0x0) write$binfmt_elf64(r0, &(0x7f0000001180)=ANY=[], 0x178) ioctl$BTRFS_IOC_QUOTA_CTL(r1, 0xc0109428, &(0x7f0000000380)={0x3, 0x8000000000000000}) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2-prctl$PR_SET_VMA-write$binfmt_elf64 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x4051, 0x0) write$binfmt_elf64(r0, &(0x7f0000001180)=ANY=[], 0x178) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2-prctl$PR_SET_VMA detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x4051, 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA-mlock2 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) mlock2(&(0x7f000043c000/0x3000)=nil, 0x3000, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY-prctl$PR_SET_VMA detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffe000/0x1000)=nil, 0x1000, &(0x7f0000000380)) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY-setsockopt$inet_IP_XFRM_POLICY detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000280)={{{@in=@multicast2, @in=@multicast2, 0x4e22, 0x0, 0x4e23, 0x0, 0xa, 0x20, 0x80, 0x3a, r3, r4}, {0x5, 0x9, 0x8, 0x9, 0x5, 0x5, 0xfffffffffffffff8, 0x8000}, {0x57, 0xaa, 0x40, 0x7}, 0x6, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in=@remote, 0x4d4, 0x32}, 0x2, @in=@rand_addr=0x64010102, 0x0, 0x1, 0x3, 0x40, 0x2, 0x8, 0x7}}, 0xe8) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-getsockopt$inet_IP_XFRM_POLICY detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00'}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@ipv4={""/10, ""/2, @private}, @in6=@private1}}, {{@in=@multicast1}, 0x0, @in6=@private0}}, &(0x7f0000000240)=0xe8) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r1, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r0, 0x0, &(0x7f0000001140)) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-getpeername detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) getpeername(r0, 0x0, &(0x7f0000001140)) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-socket$inet_udp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet_udp(0x2, 0x2, 0x0) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$pppl2tp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) 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}}): syz_mount_image$ext4-openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000001080)={0x1, &(0x7f00000010c0)=[{0x6, 0x0, 0x0, 0x7ffffdbe}]}) r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(0xffffffffffffffff, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") openat(0xffffffffffffff9c, &(0x7f0000001040)='./file1\x00', 0x20242, 0x1ff) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) 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}}): syz_mount_image$ext4-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@quota}, {@noload}, {@init_itable}]}, 0x1, 0x4ec, &(0x7f0000000b40)="$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") r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f00000000c0)={'netdevsim0\x00', 0x883}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, 0x0) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$SIOCSIFMTU detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) ioctl$SIOCSIFMTU(r0, 0x8922, 0x0) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue validation run: crashed=true reproducing took 21m40.02994408s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in rcu_segcblist_enqueue+0x4b/0xa0 kernel/rcu/rcu_segcblist.c:249 Write of size 8 at addr ffff88810fc4cd90 by task syz.2.17/389 CPU: 0 PID: 389 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 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_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:314 rcu_segcblist_enqueue+0x4b/0xa0 kernel/rcu/rcu_segcblist.c:249 __call_rcu kernel/rcu/tree.c:2998 [inline] call_rcu+0x4df/0x1090 kernel/rcu/tree.c:3054 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:447 __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 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7c20cde559 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:00007fff85864868 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fff85864950 RCX: 00007f7c20cde559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00000000000073b1 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32720000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7c20f64fac R14: 00007f7c20f64fa8 R15: 00007f7c20f64fa0 Allocated by task 389: 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 347: 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 Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2980 [inline] call_rcu+0x11a/0x1090 kernel/rcu/tree.c:3054 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:447 __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 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88810fc4cc00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 400 bytes inside of 512-byte region [ffff88810fc4cc00, ffff88810fc4ce00) The buggy address belongs to the page: page:ffffea00043f1300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc4c head:ffffea00043f1300 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 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 360, ts 29630256787, free_ts 29590448299 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+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [inline] neigh_alloc net/core/neighbour.c:439 [inline] ___neigh_create+0x6ec/0x1a70 net/core/neighbour.c:592 __neigh_create+0x31/0x40 net/core/neighbour.c:680 ip6_finish_output2+0x8fe/0x1540 net/ipv6/ip6_output.c:129 __ip6_finish_output+0x5fd/0x790 net/ipv6/ip6_output.c:203 ip6_finish_output+0x33/0x1e0 net/ipv6/ip6_output.c:213 NF_HOOK_COND include/linux/netfilter.h:288 [inline] ip6_output+0x1fa/0x420 net/ipv6/ip6_output.c:236 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x61e/0xb00 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x862/0xc60 net/ipv6/mcast.c:2469 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x80b/0x830 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5445 [inline] __free_pages+0xd8/0x390 mm/page_alloc.c:5454 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x150/0x180 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x10e/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc_trace+0x155/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] syslog_print+0x127/0x720 kernel/printk/printk.c:1487 do_syslog+0x94c/0x9a0 kernel/printk/printk.c:1644 __do_sys_syslog kernel/printk/printk.c:1736 [inline] __se_sys_syslog kernel/printk/printk.c:1734 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1734 Memory state around the buggy address: ffff88810fc4cc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810fc4cd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88810fc4cd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810fc4ce00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810fc4ce80: 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 rcu_segcblist_enqueue+0x4b/0xa0 kernel/rcu/rcu_segcblist.c:249 Write of size 8 at addr ffff88810fc4cd90 by task syz.2.17/389 CPU: 0 PID: 389 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 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_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:314 rcu_segcblist_enqueue+0x4b/0xa0 kernel/rcu/rcu_segcblist.c:249 __call_rcu kernel/rcu/tree.c:2998 [inline] call_rcu+0x4df/0x1090 kernel/rcu/tree.c:3054 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:447 __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 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7c20cde559 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:00007fff85864868 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fff85864950 RCX: 00007f7c20cde559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00000000000073b1 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32720000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7c20f64fac R14: 00007f7c20f64fa8 R15: 00007f7c20f64fa0 Allocated by task 389: 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 347: 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 Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2980 [inline] call_rcu+0x11a/0x1090 kernel/rcu/tree.c:3054 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:447 __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 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88810fc4cc00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 400 bytes inside of 512-byte region [ffff88810fc4cc00, ffff88810fc4ce00) The buggy address belongs to the page: page:ffffea00043f1300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc4c head:ffffea00043f1300 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 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 360, ts 29630256787, free_ts 29590448299 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+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:667 [inline] neigh_alloc net/core/neighbour.c:439 [inline] ___neigh_create+0x6ec/0x1a70 net/core/neighbour.c:592 __neigh_create+0x31/0x40 net/core/neighbour.c:680 ip6_finish_output2+0x8fe/0x1540 net/ipv6/ip6_output.c:129 __ip6_finish_output+0x5fd/0x790 net/ipv6/ip6_output.c:203 ip6_finish_output+0x33/0x1e0 net/ipv6/ip6_output.c:213 NF_HOOK_COND include/linux/netfilter.h:288 [inline] ip6_output+0x1fa/0x420 net/ipv6/ip6_output.c:236 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x61e/0xb00 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x862/0xc60 net/ipv6/mcast.c:2469 call_timer_fn+0x38/0x290 kernel/time/timer.c:1450 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x80b/0x830 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5445 [inline] __free_pages+0xd8/0x390 mm/page_alloc.c:5454 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x150/0x180 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x10e/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc_trace+0x155/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] syslog_print+0x127/0x720 kernel/printk/printk.c:1487 do_syslog+0x94c/0x9a0 kernel/printk/printk.c:1644 __do_sys_syslog kernel/printk/printk.c:1736 [inline] __se_sys_syslog kernel/printk/printk.c:1734 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1734 Memory state around the buggy address: ffff88810fc4cc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810fc4cd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88810fc4cd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810fc4ce00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810fc4ce80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================