Extracting prog: 3m51.693073048s Minimizing prog: 12m44.951704059s Simplifying prog options: 0s Extracting C: 1m16.332528437s Simplifying C: 3m1.959427108s extracting reproducer from 34 programs testing a last program of every proc single: executing 7 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}}): mmap$IORING_OFF_SQ_RING-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-memfd_create-syz_mount_image$ext4-syz_mount_image$fuse-mkdirat-mount$overlay-chdir-openat-flistxattr-ioctl$sock_inet6_SIOCDELRT-syz_mount_image$exfat-syz_open_dev$loop-read$FUSE-openat$cgroup_ro-ioctl$LOOP_CONFIGURE-ioctl$LOOP_CHANGE_FD detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000000c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000100)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f066bbeeb, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000017c0)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000001840), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f0000001880), 0x80002c1, 0x2, 0x0) memfd_create(0x0, 0x1) syz_mount_image$ext4(&(0x7f00000018c0)='ext4\x00', &(0x7f0000001a40)='./file1\x00', 0x2200002, &(0x7f0000001a80), 0x1, 0x585, &(0x7f0000001ac0)="$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") syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000020c0)='./proc\x00', 0x180) mount$overlay(0x0, &(0x7f0000002100)='./bus\x00', &(0x7f0000002140), 0x8, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@redirect_dir_on}]}) chdir(&(0x7f00000021c0)='./bus\x00') r3 = openat(0xffffffffffffff9c, &(0x7f0000002200)='.\x00', 0x0, 0x0) flistxattr(r3, &(0x7f0000002240)=""/214, 0xd6) ioctl$sock_inet6_SIOCDELRT(0xffffffffffffffff, 0x890c, 0x0) syz_mount_image$exfat(&(0x7f0000000000), &(0x7f00000001c0)='./bus\x00', 0x200000, &(0x7f0000000200)=ANY=[], 0x41, 0x14fe, &(0x7f0000000240)="$eJzs3Au0ztXWMPA511p/NklPkvuaa/55kssiSXJJSCRJkiS5JSRJkoTEJrckJCH3JPeQ3GIn9/st9yQ5kiQJCUnWN3Q6n/e8nfftnO+c7/V9Z8/fGGvsNff/mfNZa889nv9ljL2/7Ti4av1qlesyM/xT8M9fUgEgBQD6AcA1ABABQKlspbIBDoNMGlP/uTcR/1oPTbvSKxBXkvQ/fZP+p2/S//RN+p++Sf/TN+l/+ib9T9+k/0KkZ1un575WRvod/3PP/0Ge//8/R87//0YOFxvz5fpi13f6B1Kk/+mb9D99k/6nb9L/9E36n75J///NRQCV/pvD0v/0TfovRHp2pZ8/y7iy40r//gkhhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGESB/OhcsMAPxlfqXXJYQQQgghhBBCiH+dkPFKr0AIIYQQQgghhBD/9yEo0GAgggyQEVIgE2SGqyALXA1Z4RpIwLWQDa6D7HA95ICckAtyQx7IC/nAAoEDhhjyQwFIwg1QEG6EQlAYikBR8FAMisNNUAJuhpJwC5SCW6E03AZloCyUg/JwO1SAO6AiVILKcCdUgbugKlSDu6E63AM14F6oCfdBLbgfasMDUAcehLrwENSDh6E+PAIN4FFoCI2gMTSBpv9H+S9CV3gJukF3SIUe0BNehl7QG/pAX+gHr0B/eBUGwGswEAbBYHgdhsAbMBTehGEwHEbAWzASRsFoGANjYRyMh7dhArwDE+FdmASTYQpMhWkwHWbAezATZsFseB/mwAcwF+bBfFgAC+FDWASLIQ0+giXwMSyFZbAcVsBKWAWrYQ2shXWwHjbARtgEm2ELbIVPYBtshx2wE3bBbtgDn8Je+Az2weewH774B/PP/qf8TggIqFChQYMZMAOmYApmxsyYBbNgVsyKCUxgNsyG2TE75sAcmAtzYR7Mg/kwHxISMjLmx/yYxCQWxIJYCAthESyCHj0Wx+JYAm/GklgSS2EpLI2lsQyWxbJYHstjBayAFbEiVsbKWAWrYFWsinfj3XgP1sAaWBNrYi2shbWxNtbBOlgX62I9rIf1sT42wAbYEBtiY2yMTbEpNsNm2BybY0tsia2wFbbG1tgG22BbbIvtsB22x/bYATtgR+yInbAzdsYX8UV8CV/C7lhF9cCe2BN7YS/sg32xL76C/fFVfBVfw4E4CAfj6/g6voFD8QwOw+E4AkdgBTUKR+MYZDUOx+N4nIATcCJOxEk4GSfjVJyG03EGzsCZOAtn4fs4Bz/AD3AezsMFuBAX4iJcjGmYhkvwLC7FZbgcV+BKXIUrcQ2uxTW4HjfgetyEm3ALbsFP8BPcjttxJ+7E3bgbP8VP8TP8DAfiftyPB/AAHsSDeAgP4WE8jEfwCB7Fo3gMj+FxPI4n8CSewpN4Gk/jGTyL5/AcnsfzeAGfz/N1vd2F1w0EdYlRRmVQGVSKSlGZVWaVRWVRWVVWlVAJlU1lU9lVdpVD5VC5VC6VR+VR+VQ+RYoUq1jlV/lVUiVVQVVQFVKFVBFVRHnlVXFVXJVQJVRJVVKVUreq0uo2VUaVVS18eVVeVVAtfUVVSVVWlVUVdZeqqqqpaqq6qq5qqBqqpqqpaqlaqrZ6QNVRPbAPPqQudaa+GoQN1GBsqBqpxqqJegMfU83UUGyuWqiW6gk1HIdha9XMt1FPq7ZqNLZTz6ox+JzqoMZhR/WC6qQ6qy7qRdVVNffdMvz2EaimYi/VW/VRfdVMvEtd6lhV9ZoaqAapwep1tQDfUEPVm2qYGq5GqLfUSDVKjVZj1Fg1To1Xb6sJ6h01Ub2rJqnJaoqaqqap6WqGek/NVLPUbPW+mqM+UHPVPDVfLVAL1YdqkVqs0tRHaon6WC1Vy9RytUKtVKvUarVGrVXr1Hq1QW1Um9RmtUVtVZ+obWq72qF2ql1qt9qjPlV71Wdqn/pc7VdfqAPqT+qg+lIdUl+pw+prdUR9o46qb9Ux9Z06rr5XJ9RJdUr9oE6rH9UZdVadUz+p8+pndUH9oi6qoECjVlproyOdQWfUKTqTzqyv0ln01TqrvkYn9LU6m75OZ9fX6xw6p86lc+s8Oq/Op60m7TTrWOfXBXRS36AL6ht1IV1YF9FFtdfFdHF9ky6hb9Yl9S26lL5Vl9a36TK6rC6ny+vbdQV9h66oK+nK+k5dRd+lq+pq+m5dXd+ja+h7dU19n66l79e19QO6jn5Q19UP6Xr6YV1fP6Ib6Ed1Q91IN9ZNdFP9mG6mH9fNdQvdUj+hW+kndWv9lG6jn9Zt9TO6nX5Wt9fP6Q76ed1Rv6A76c66i/5FX9RBd9PddaruoXvql3Uv3Vv30X11P/2K7q9f1QP0a3qgHqQH69f1EP2GHqrf1MP0cD1Cv6VH6lF6tB6jx+pxerx+W0/Q7+iJ+l09SU/WU/RUPU1P131+qzT778h/52/kD/j13bforfoTvU1v1zv0Tr1L79Z79B69V+/V+/Q+vV/v1wf0AX1QH9SH9CF9WB/WR/QRfVQf1cf0MX1cH9cn9En9k/5Bn9Y/6jP6rD6rf9Ln9Xl94befARg0ymhjTGQymIwmxWQymc1VJou52mQ115iEudZkM9eZ7OZ6k8PkNLlMbpPH5DX5jDVknGETm/ymgEmaG0xBc6MpZAqbIqao8aaYKW5u+qfz/2h9TU1T08w0M81Nc9PStDStTCvT2rQ2bUwb09a0Ne1MO9PetDcdTAfT0XQ0nUwn08V0MV1NV9PNdDOpJtX0NC+bXqa36WP6mn7mFdPf9DcDzAAz0Aw0g81gM8QMMUPNUDPMDDMjzAgz0ow0o81oM9aMNePNeDPBTDATzUQzyUwyU8wUM81MMzPMDDPTzDSzzWwzx8wxc81cM9/MNwvNQrPILDJpJs0sMUvMUrPMLDMrzAqzyqwya8was86sMxvMBrPJbDJLzVaz1Wwz28wOs8PsMrvMHrPH7DV7zT6zz+w3+80Bc8AcNAfNIXPIHDaHzRFzxBw1R80xc8wcN8fNCXPCnDKnzGlz2pwxZ8w5c86cN+fNBXPBXDQXL132RSpSkYlMlCHKEKVEKVHmKHOUJcoSZY2yRokoEWWLskXZo+ujHFHOKFeUO8oT5Y1SwUYUuYijOMofFYiS0Q1RwejGqFBUOCoSFY18VCwqHt0UlYhujkpGt0Sloluj0tFtUZmobFQuKh/dHlWI7ogqRpWiytGdUZXorqhqVC26O6oe3RPViO6Nakb3RbWi+6Pa0QNRnejBqG70UFQvejiqHz0SNYgejRpGjaLGUZOo6b+0fghncj7uu9nuNtX2sD3ty7aX7W372L62n33F9rev2gH2NTvQDrKD7et2iH3DDrVv2mF2uB1h37Ij7Sg72o6xY+04O96+bSfYd+xE+66dZCfbKXaqnWan2xn2PTvTzrKz7ft2jv3AzrXz7Hy7wC60H9pFdrFNsx/ZJfZju9Qus8vtCrvSrrKr7Rq71q6z6+0Gu9FuspvtFrvVfmK32e12h91pd9nddo/91O61n9l99nO7335hD9g/2YP2S3vIfmUP26/tEfuNPWq/tcfsd/a4/d6esCftKfuDPW1/tGfsWXvO/mTP25/tBfuLvWjDpYv7S6d3MmQoA2WgFEqhzJSZslAWykpZKUEJykbZKDtlpxyUg3JRLspDeSgf5aNLmJjyU35KUpIKUkEqRIWoCBUhT56KU3EqQSWoJJWkUlSKSlNpKkNlqByVo9vpdrqD7qBKVInupDvpLrqLqlE1qk7VqQbVoJpUk2pRLapNtakO1aG6VJfqUT2qT/WpATWghtSQGlNjakpNqRk1o+bUnFpSS2pFrag1taY21IbaUltqR+2oPbWnDtSBOlJH6kSdqAt1oa7UlbpRN0qlVOpJPakX9aI+1If6UT/qT/1pAA2ggTSQBtNgGkJDaCgNpWE0nEbQWzSSRtFoGkNjaRyNp/E0gSbQRJpIk2gSTaEpNI2m0QyaQTNpJs2m2TSH5tBcmkvzaT4tpIW0iBZRGqXRElpCS2kpLafltJJW0mpaTWtpLa2n9bSRNtJm2kxbaStto220g3bQLtpFe2gP7aW9tI/20X7aTwfoAB2kg3SIDtFhOkxH6AgdpaN0jI7RcTpOJ+gEnaJTdJpO0xk6Q+foHJ2nn+kC/UIXKVCKU5DZXeWyuKtdVneNS3GZ3KU4AoBLcS6X2+VxeV0+Z10Ol/OvYnLOFXKFXRFX1HlXzBV3N/0uLuPKunKuvLvdVXB3uIq/i6u7e1wNd6+r6e5z1dzdfxXXcve72u4RV8c96uq6Rq6ea+Lqu0dcA/eoa+gaucauiWvlnnSt3VOujXvatXXP/C5e5Ba7tW6dW+82uL3uM3fO/eSOum/defez6+a6u37uFdffveoGuNfcQDfod/EI95Yb6Ua50W6MG+vG/S6e4qa6aW66m+HeczPdrN/FC92Hbo5Lc3PdPDffLfg1vrSmNPeRW+I+dkvdMrfcrXAr3Sq32q3532td4Ta5zW6L2+M+ddvcdrfD7XS73O5f40v72Oc+d/vdF+6I+8YddF+6Q+6YO+y+/jW+tL9j7jt33H3vTriT7pT7wZ12P7oz7uyv+7+09x/cL+6iCw4YWbFmwxFn4Iycwpk4M1/FWfhqzsrXcIKv5Wx8HWfn6zkH5+RcnJvzcF7Ox5aJHTPHnJ8LcJJv4IJ8IxfiwlyEi7LnYlycb+ISfDOX5Fu4FN/Kpfk2LsNluRyX59u5At/BFbkSV+Y7uUoIXJWr8d1cne/hGnwv1+T7uBbfz7X5Aa7DD3Jdfojr8cNcnx/hBvwoN+RG3JibcFN+jJvx49ycW3BLfoJb8ZPcmp/iNvw0t+VnuB0/y+35Oe7Az3NHfoE7cWfuwi9yV36Ju3F3TuUe3JNf5l7cm/twX+7Hr3B/fpUH8Gs8kAfxYH6dh/AbPJTf5GE8nEfwWzySR/FoHsNjeRyP57d5Ar/DE/ldnsSTeQpP5Wk8nWfwezyTZ/Fsfp/n8Ac8l+fxfF7AC/lDXsSLOY0/4iX8MS/lZbycV/BKXsWreQ2v5XW8njfwRt7Em3kLb+VPeBtv5x28k3fxbt7Dn/Je/oz38ee8n7/gA/wnPshf8iH+ig/z13yEv+Gj/C0f4+/4OH/PJ/gkn+If+DT/yGf4LJ/jn/g8/8wX+Be+yIEhxljFOjZxFGeIM8YpcaY4c3xVnCW+Os4aXxMn4mvjbPF1cfb4+jhHnDPOFeeO88R543yxjSl2McdxnD8uECfjG+KC8Y1xobhwXCQuGvu4WFw8vikuEd8cl4xviUvFt8al49viMnHZ+JH7yse3xxXiO+KKcaW4cnxnXCW+K64aV4vvjqvH98Q14nvjmvF9ccn4/rh2/EBcJ34wrhs/FNeLH47rx4/EDeJH44Zxo7hx3CRuGj8WN4sfj5vHLeKW8RNxq/jJuHX8VNwmfjpuGz/zh8dT4x5xz/jl+OU4hHv1/OSC5MLkh8lFycXJtORHySXJj5NLk8uSy5MrkiuTq5Krk2uSa5PrkuuTG5Ibk5uSm5NbkiFUywgevfLaGx/5DD6jT/GZfGZ/lc/ir/ZZ/TU+4a/12fx1Pru/3ufwOX0un9vn8Xl9Pm89eefZxz6/L+CT/gZf0N/oC/nCvogv6r0v5ov7Jr6pb+qb+cd9c9/Ct/RP+Cf8k/5J/5R/yj/t2/pnfDv/rG/vn/Md/PP+ef+C7+Q7+y7+Rd/Vv+S7+e4+1af6nr6n7+V7+T6+j+/n+/n+vr8f4Af4gX6gH+wH+yF+iB/qh/phfpgf4Uf4kX6kH+1H+7F+rB/vx/sJfoKf6Cf6SX6Sn+Kn+Gl+mp/hZ/iZfqaf7Wf7OYXm+Ll+rp/v5/uFfqFf5Bf5NJ/ml/glfqlf6pf75X6lX+lX+9V+rV/r1/v1fqPf6Df7zX6r3+q3+W1+h9/hd/ldfo/f4/f6vX6f3+f3+/3+gD/gD/qD/pD/yh/2X/sj/ht/1H/rj/nv/HH/vT/hT/pT/gd/2v/oz/iz/pz/yZ/3P/sL/hd/0Qc/PvF2YkLincTExLuJSYnJiSmJqYlpiemJGYn3EjMTsxKzE+8n5iQ+SMxNzEvMTyxILEx8mFiUWJxIS3yUWJL4OLE0sSyxPLEisTKxKhFC3m1xyB8KhGS4IRQMN4ZCoXAoEooGH4qF4uGmUCLcHEqGW0KpcGsoHW4LZULZUC48GhqGRqFxaBKahsdCs/B4aB5ahJbhidAqPBlah6dCm/B0aBueCe3Cs6F9eC50CM+HjuGF0Cl0Dl3Ci6FreCl0C91DaugReoaXQ6/QO/QJfUO/8EroH14NA8JrYWAYFAaH18OQ8EYYGt4Mw8LwMCK8FUaGUWF0GBPGhnFhfHg7TAjvhInh3TApTA5TwtQwLUwPM8J7YWaYFWaH98Oc8EGYG+aF+WFBWBg+DIvC4pAWPgpLwsdhaVgWlocVYWVYFVaHNWFtWBfWhw1hY9gUNoctYWv4JGwL28OOsDPsCrvDnvBp2Bs+C/vC52F/+CIcCH8KB8OX4VD4KhwOX4cj4ZtwNHwbjoXvwvHwfTgRToZT4YdwOvwYzoSz4Vz4KZwPP4cL4ZdwUf5mTQghhBDi76L/4HiPv/G9DACgfpv3BICrt+c+/J9rbszx53lvladVAgCe7t7xob+MKlVSU1N/e+1SDVGBeQCQ+Ov6f4mXQUt4EtpACyjxN9fXW3U+z39QP3krQOb/kJMCl+PL9W/+L+o/9sSIRaXjc9n+m/rzAAoVuJyTCS7Hl+uX/C/q52z2B+vP9OV4gOb/IScLXI4v1y8Oj8Mz0OavXimEEEIIIYQQQvxZb1Wu/R/dP1+6P89jLudkhMvxH92fCyGEEEIIIYQQ4sp7rnOXpx5r06ZF+79vgr89F/jHsmQiE5n8fza50p9MQgghhBBCiH+1yxf9V3olQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCFE+vU/8e/ErvQehRBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQgghhBBCiCvtfwUAAP//luw5aQ==") r4 = syz_open_dev$loop(&(0x7f0000000200), 0x81, 0x141200) read$FUSE(r3, &(0x7f0000002340)={0x2020}, 0x2020) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000001780)='cgroup.stat\x00', 0x275a, 0x0) ioctl$LOOP_CONFIGURE(r4, 0x4c0a, &(0x7f0000001900)={r5, 0x0, {0x2a00, 0x80010000, 0x0, 0x80000003, 0xf, 0x0, 0x1, 0x18, 0x1c, "fee8a2ab78fc179fd1f8a0e91ddaaca7bd64c6a4b4e00d9683dda1af1ea89de2b7fb0a0100000000000000000300", "2809e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c5240f45f819e01177d3d458dd4992861ac0000000000350bc8b100", "c7db08b3551265406c7f306003d80700", [0x800000000000009, 0x3]}}) ioctl$LOOP_CHANGE_FD(r4, 0x4c03, r5) 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-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-openat$kvm-syz_mount_image$ext4-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-add_key$keyring-ioctl$TUNSETTXFILTER-socket$can_bcm-ioctl$KVM_X86_SET_MCE-bpf$BPF_BTF_LOAD-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-syz_mount_image$exfat-truncate-ioctl$SIOCSIFHWADDR-openat$dir detailed listing: executing program 0: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000000)={'ip6_vti0\x00', &(0x7f0000000040)={'syztnl1\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty, @private2={0xfc, 0x2, '\x00', 0x1}, 0x7800, 0x8, 0xfffffffc, 0xdc64}}) openat$kvm(0xffffffffffffff9c, &(0x7f00000006c0), 0x20040, 0x0) syz_mount_image$ext4(&(0x7f0000000700)='ext4\x00', &(0x7f0000000740)='./file0\x00', 0x9419, &(0x7f0000000780), 0x1, 0x4cd, &(0x7f00000007c0)="$eJzs3MtrHVUcAODf3Lz6SJva1mprq9H6KD6SJn3YhQsVBYsKgi7qMiZprb1tpInQlqBRpK4L7sWl4NKVOzeiLsQ/QMGlFIoGoakgRGbuTHKT3HubZ69Nvg9u7jkzZ+acM3POzblz7kwAG1Z3+ieJ6IyIXyOiqxKdm6C78jY1OT54a3J8MInp6Tf/TLJ0NyfHB4ukxXZb0z8deeTTJJ5PFuY7evnKuYFyefhiHu8dO/9+7+jlK8+cPT9wZvjM8IX+EyeOHul79nj/sTnb5bvqalSnzTWWpRvc3PfhyP69r7x97fXBU9fe+fHrdF97DlTWV9fjtm4tqNCrtZJ1p0ftr+nM/HWPLTqzu8O2qnDS2sSCsCQtEZGerras/3dFS8yevK54+ZOmFg5YU+n/po76qyemgXUsiWaXAGiO4h99+v23eMW/d2jw8T9w44WI9jw8NTk+ODVzHaA1SvnytjXMvzsiTk3880X6iqVehwAAWIZsbPP0vPFfphR7svfKXMf2fA5lR0TcExE7I2JXROyOiHsjsrT3RcT9lY2nG07QVOmeF184/ildr1nmVZKO/56rGvtNVdU/f9vRkse2ZfVvS06fLQ8fzo/JoWjrSON9DfL47qX2uuuqx3/pK82/GAvmBbjeWrlAN7OToYGxgdU6CDc+jtjXWqv+ycxMQNoC9kbEvqXtensROPvkV/vrJbp9/RtYhXmm6S8jnqic/4mYV/9CUmd+Mm3jx/uP9W6K8vDh3qJVLPTTL1ffqJf/iuq/CtLzv2Vu+5+XouvvpDJf2xbl8vDF0aXncfW3z+p+p1lC+5+Rtv/25K1szvrndyvLLg2MjV3si2hPXsvieWfZFOny/tltL+XxIn1a/0MHa/f/nfk2af0fiIi0ER+I2P5gRDyUl/3hiHgkIg42qP8PLz76XoP6J5FEU8//UM3Pv5n2//jJk7tm5+uXEWg59/23NX4CkFnc+T8aE9lnbUX2+Xcbiy3gCg8fAAAA3BVKEdEZSamnEu7ujFKpp6fyG/7dsaVUHhkde+r0yAcXhir3COyItlJxpaur6npoXzKR77ES78+vFRfrj+TXjT9v2ZzFewZHykNNrjtsdFvn9v8o+n/qj5Zmlw5Yc/Xn0RrcGgCsC/P7f6lJ5QDuvMX8jsZ3AVifavT/Ws/QANYhz2uBjatW//9oXnzB+N8IAdaFhf3/9xqPrAPWI+N/2Lj0f9i49H/YkFZyX//yA8XNAg0TF0WsmWbTou/wb16go17hFxOIpW5VPB5mLeu1OWaXRCkLdEbTj/PyAl2LSRwR36w4r5ZVKHPaY+7s8al64BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMBd7L8AAAD//zTE3j4=") prlimit64(0x0, 0xe, &(0x7f0000000cc0)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000d00)=0x7) r2 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000d40)=0x2) sched_setscheduler(r2, 0x2, &(0x7f0000000d80)=0x6) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000dc0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f0000000e00)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r4, &(0x7f0000000e80), 0x400000000000041, 0x0) sched_setaffinity(r2, 0x8, &(0x7f0000000ec0)=0x2) recvmmsg(r3, &(0x7f0000000f00), 0x80002c1, 0x2, 0x0) add_key$keyring(&(0x7f0000001000), &(0x7f0000001040)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) ioctl$TUNSETTXFILTER(0xffffffffffffffff, 0x400454d1, &(0x7f0000001080)=ANY=[@ANYBLOB="ffe1ff04"]) socket$can_bcm(0x1d, 0x2, 0x2) ioctl$KVM_X86_SET_MCE(0xffffffffffffffff, 0x4040ae9e, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000004c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="9feb0100180000000000000010000000000000000800000000005f5f612e3000"], 0x0, 0x20}, 0x28) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f00000000c0)={'syztnl1\x00', &(0x7f0000000100)={'syztnl0\x00', r1, 0x29, 0x0, 0x6, 0x7f, 0x5, @ipv4={'\x00', '\xff\xff', @multicast1}, @mcast1, 0x0, 0x10, 0x6, 0x41}}) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f0000000180)={'syztnl1\x00', &(0x7f00000001c0)={'ip6gre0\x00', r1, 0x0, 0x0, 0x0, 0x0, 0xd, @private2, @loopback, 0x40, 0x7800, 0xfffffffc}}) syz_mount_image$exfat(&(0x7f0000001680), &(0x7f00000016c0)='./file2\x00', 0x80, &(0x7f0000001700)=ANY=[], 0x7d, 0x1508, &(0x7f0000001740)="$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") truncate(&(0x7f0000002c80)='./file2\x00', 0x6000) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x89a2, &(0x7f00000005c0)={'bridge0\x00', @random="0d0000000988"}) openat$dir(0xffffffffffffff9c, &(0x7f0000002cc0)='./file2\x00', 0x10f282, 0x3e4709ea464f8ba0) 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}}): bpf$ENABLE_STATS-socket$inet_udp-bind$inet-socket$packet-bpf$PROG_LOAD-setsockopt$sock_attach_bpf-sendmmsg$inet-sendmsg$nl_route-socket$inet6_tcp-prlimit64-sched_setscheduler-setsockopt$inet_tcp_int-getsockopt$inet_tcp_int-sched_setaffinity-getpid-sched_setscheduler-socketpair$unix-socket$tipc-setsockopt$TIPC_GROUP_JOIN-bind$tipc-connect$unix-sendmmsg$unix-recvmmsg-sched_setaffinity-request_key-bpf$PROG_LOAD-io_setup-ioctl$SIOCSIFHWADDR-socket$inet6-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL detailed listing: executing program 0: bpf$ENABLE_STATS(0x20, 0x0, 0x0) (async) r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x3c}}, 0x10) r1 = socket$packet(0x11, 0x3, 0x300) (async) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0x1, 0xe, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], &(0x7f0000000800)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, &(0x7f0000000840), 0x0, 0x10, &(0x7f00000016c0), 0xfffffffffffffe19}, 0x42) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000001700)=r2, 0x4) (async) sendmmsg$inet(r0, &(0x7f0000001740)=[{{&(0x7f0000001780)={0x2, 0x4e25, @multicast2}, 0x10, 0x0}}], 0x1, 0x2000c044) (async) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) (async) socket$inet6_tcp(0xa, 0x1, 0x0) (async) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000140)=0x8) (async) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x7, &(0x7f0000000180)=0x7, 0x4) (async) getsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x7, 0x0, &(0x7f00000001c0)) (async) sched_setaffinity(0x0, 0x8, &(0x7f0000000200)=0x2) (async) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000240)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r6, 0x10f, 0x87, &(0x7f00000002c0)={0x42, 0xfffffffc, 0x1}, 0x10) (async) bind$tipc(0xffffffffffffffff, 0x0, 0x0) (async) connect$unix(r4, &(0x7f0000000300)=@file={0x0, './file0\x00'}, 0x6e) (async) sendmmsg$unix(r5, &(0x7f0000000380), 0x318, 0x0) (async) recvmmsg(r4, &(0x7f00000003c0), 0x10106, 0x2, 0x0) (async) sched_setaffinity(0x0, 0x8, &(0x7f0000000400)=0x2) (async) request_key(&(0x7f0000000880)='asymmetric\x00', &(0x7f00000008c0)={'syz', 0x1}, &(0x7f0000000900)='q\xa9', 0x0) (async) bpf$PROG_LOAD(0x5, 0x0, 0x0) (async) io_setup(0xf3ff, &(0x7f0000000940)) (async) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x8923, 0x0) r7 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r7, 0x89f2, &(0x7f0000000980)={'ip6_vti0\x00', &(0x7f00000009c0)={'ip6gre0\x00', 0x0, 0x0, 0x0, 0xfd, 0x0, 0x40, @empty, @empty, 0x77ff}}) 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}}): memfd_create-openat$sndtimer-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getuid-ioctl$SNDRV_TIMER_IOCTL_PARAMS-socketpair$unix-sendmmsg$unix-getsockopt-ioctl$SNDRV_TIMER_IOCTL_START-setsockopt$IPT_SO_SET_REPLACE-syz_open_dev$evdev-syz_usb_disconnect-syz_usb_connect$printer-close_range-ftruncate-syz_create_resource$futex-futex-futex-socket-ioctl$ifreq_SIOCGIFINDEX_vcan-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-sendmsg$nl_route_sched-fcntl$addseals-fallocate-lseek detailed listing: executing program 0: r0 = memfd_create(&(0x7f0000000200)='y\x185\xfb\xf7u\x83%:r\xc2\xb9x\xa4q\x9d\xb4\x7f\x8cZ7`_4t\xcda\x9b\x11\x11\x0e\xa1\xcf\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00@\xa7\xd7\xdbG\x98l\xad6', 0x2) r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000280), 0x1a142) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x7, &(0x7f00000005c0)={0x1, &(0x7f0000000600)=[{0x6, 0x85, 0x7, 0x7ffc0001}]}) getuid() ioctl$SNDRV_TIMER_IOCTL_PARAMS(r1, 0x40505412, &(0x7f0000000300)={0x6, 0x20000006, 0x0, 0x0, 0xd}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000003c0)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20040044}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000440)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}], 0x20, 0x4004040}}], 0x2, 0x4) getsockopt(r2, 0x4, 0x7, &(0x7f0000000480)=""/248, &(0x7f0000000580)=0xf8) ioctl$SNDRV_TIMER_IOCTL_START(r1, 0x54a0) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, 0x0, 0x0) r3 = syz_open_dev$evdev(&(0x7f0000000640), 0x0, 0x0) syz_usb_disconnect(r3) syz_usb_connect$printer(0x4, 0x2d, &(0x7f0000000680)=ANY=[], 0x0) close_range(r1, 0xffffffffffffffff, 0x400000000000000) ftruncate(r0, 0x2000000) r4 = syz_create_resource$futex(&(0x7f0000000080)=0x1) futex(r4, 0x6, 0x0, 0x0, r4, 0x1) futex(r4, 0x6, 0x0, &(0x7f0000000240)={0x0, 0x3938700}, 0x0, 0x1) r5 = socket(0x10, 0x3, 0x4) ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f00000000c0)={'vxcan0\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'ip6gre0\x00', r6, 0x4, 0x4, 0x40, 0x1, 0x48, @remote, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x10, 0x10, 0x4, 0x8}}) sendmsg$nl_route_sched(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@getqdisc={0x34, 0x26, 0x0, 0x70bd25, 0x25dfdbfd, {0x0, 0x0, 0x0, r7, {0x4, 0xfff1}, {0xf}, {0xffe0, 0xe}}, [{0x4}, {0x4}, {0x4}, {0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) fcntl$addseals(r0, 0x409, 0x7) fallocate(r0, 0x1, 0x2, 0x1) lseek(r5, 0x5, 0x4) 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$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) (async) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) (async) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) (async) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) (async) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session single: successfully extracted reproducer found reproducer with 12 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$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) (async) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) (async) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) (async) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) (async) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp-socket$inet6_udp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect-socket$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 0x0}]}) socket$pppl2tp(0x18, 0x1, 0x1) (async) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS-syz_usb_connect detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) syz_usb_connect(0x5, 0x51, &(0x7f0000000080)=ANY=[@ANYBLOB="120101024cf1c50863070210845f0102030109023f0001000000000904000005ff87e7000905880f020000000009050300000000000009050cfeffff01060209050f000000000000090507"], &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x155555555555575a, [{0x12, 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$pppl2tp-signalfd4-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) 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$pppl2tp-signalfd4 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) signalfd4(r1, &(0x7f0000000040)={[0xc]}, 0x8, 0x800) 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) 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}}): socket$pppl2tp-socket$inet6_udp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) 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-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) 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-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r0, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(0xffffffffffffffff, 0x80487436, &(0x7f0000000040)) 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue 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$pppl2tp-ioctl$PPPIOCGL2TPSTATS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x400004}}, 0x2e) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true reproducing took 22m11.019641164s 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 ffff88810d66d800 by task syz.2.17/393 CPU: 0 PID: 393 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 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 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: 0033:0x7fc42324e559 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:00007ffe284e0fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe284e10a0 RCX: 00007fc42324e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006a3f R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32a20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc4234d4fac R14: 00007fc4234d4fa8 R15: 00007fc4234d4fa0 Allocated by task 393: 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 341: 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 ffff88810d66d800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88810d66d800, ffff88810d66da00) The buggy address belongs to the page: page:ffffea0004359b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d66c head:ffffea0004359b00 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 393, ts 27222377534, free_ts 27211836211 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] kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] l2tp_tunnel_create+0x97/0x460 net/l2tp/l2tp_core.c:1428 pppol2tp_tunnel_get net/l2tp/l2tp_ppp.c:671 [inline] pppol2tp_connect+0x7ef/0x1640 net/l2tp/l2tp_ppp.c:728 __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 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 kfree+0x1e4/0x270 mm/slub.c:4193 tipc_nametbl_stop+0x120b/0x1270 net/tipc/name_table.c:917 tipc_exit_net+0x99/0x150 net/tipc/core.c:118 ops_exit_list net/core/net_namespace.c:185 [inline] cleanup_net+0x589/0xb80 net/core/net_namespace.c:609 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 Memory state around the buggy address: ffff88810d66d700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810d66d780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88810d66d800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810d66d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810d66d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 393 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Modules linked in: CPU: 0 PID: 393 Comm: syz.2.17 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 bc f7 34 fd be 02 00 00 00 eb 0a e8 b0 f7 34 fd be 01 00 00 00 4c 89 f7 e8 33 73 0e fe e9 0f ff ff ff e8 99 f7 34 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 88 f7 34 fd 4c 89 f7 be 03 RSP: 0018:ffffc90000ec7d68 EFLAGS: 00010293 RAX: ffffffff842fbf27 RBX: ffff88810fd35800 RCX: ffff88810f393c00 RDX: 0000000000000000 RSI: 000000000ad4d520 RDI: 000000000c04eb7d RBP: ffffc90000ec7d88 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0dcf848 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000ad4d520 R15: ffff88810d66d800 FS: 000055557707a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc42329bc40 CR3: 000000010f25f000 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 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: 0033:0x7fc42324e559 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:00007ffe284e0fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe284e10a0 RCX: 00007fc42324e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006a3f R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32a20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc4234d4fac R14: 00007fc4234d4fa8 R15: 00007fc4234d4fa0 ---[ end trace 7cc7f5d377499d8d ]--- 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 ffff88810d66d800 by task syz.2.17/393 CPU: 0 PID: 393 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 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 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: 0033:0x7fc42324e559 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:00007ffe284e0fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe284e10a0 RCX: 00007fc42324e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006a3f R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32a20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc4234d4fac R14: 00007fc4234d4fa8 R15: 00007fc4234d4fa0 Allocated by task 393: 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 341: 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 ffff88810d66d800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88810d66d800, ffff88810d66da00) The buggy address belongs to the page: page:ffffea0004359b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d66c head:ffffea0004359b00 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 393, ts 27222377534, free_ts 27211836211 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] kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] l2tp_tunnel_create+0x97/0x460 net/l2tp/l2tp_core.c:1428 pppol2tp_tunnel_get net/l2tp/l2tp_ppp.c:671 [inline] pppol2tp_connect+0x7ef/0x1640 net/l2tp/l2tp_ppp.c:728 __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 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 kfree+0x1e4/0x270 mm/slub.c:4193 tipc_nametbl_stop+0x120b/0x1270 net/tipc/name_table.c:917 tipc_exit_net+0x99/0x150 net/tipc/core.c:118 ops_exit_list net/core/net_namespace.c:185 [inline] cleanup_net+0x589/0xb80 net/core/net_namespace.c:609 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 Memory state around the buggy address: ffff88810d66d700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810d66d780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88810d66d800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810d66d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810d66d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 393 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Modules linked in: CPU: 0 PID: 393 Comm: syz.2.17 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 bc f7 34 fd be 02 00 00 00 eb 0a e8 b0 f7 34 fd be 01 00 00 00 4c 89 f7 e8 33 73 0e fe e9 0f ff ff ff e8 99 f7 34 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 88 f7 34 fd 4c 89 f7 be 03 RSP: 0018:ffffc90000ec7d68 EFLAGS: 00010293 RAX: ffffffff842fbf27 RBX: ffff88810fd35800 RCX: ffff88810f393c00 RDX: 0000000000000000 RSI: 000000000ad4d520 RDI: 000000000c04eb7d RBP: ffffc90000ec7d88 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0dcf848 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000ad4d520 R15: ffff88810d66d800 FS: 000055557707a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc42329bc40 CR3: 000000010f25f000 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 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: 0033:0x7fc42324e559 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:00007ffe284e0fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe284e10a0 RCX: 00007fc42324e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006a3f R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32a20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc4234d4fac R14: 00007fc4234d4fa8 R15: 00007fc4234d4fa0 ---[ end trace 7cc7f5d377499d8d ]---