Extracting prog: 59.674157221s Minimizing prog: 16m39.313634787s Simplifying prog options: 0s Extracting C: 32.430134767s Simplifying C: 3m24.466021596s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-close_range-setsockopt$inet_tcp_TLS_TX-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) r3 = socket$inet_mptcp(0x2, 0x1, 0x106) r4 = socket$alg(0x26, 0x5, 0x0) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, 0x0, 0x0) r6 = accept4(r4, 0x0, 0x0, 0x800) sendmmsg$alg(r6, 0x0, 0x0, 0x40800) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) setsockopt$inet_tcp_TLS_TX(r3, 0x6, 0x1, 0x0, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open single: successfully extracted reproducer found reproducer with 23 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-close_range-setsockopt$inet_tcp_TLS_TX-write-openat detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) r3 = socket$inet_mptcp(0x2, 0x1, 0x106) r4 = socket$alg(0x26, 0x5, 0x0) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, 0x0, 0x0) r6 = accept4(r4, 0x0, 0x0, 0x800) sendmmsg$alg(r6, 0x0, 0x0, 0x40800) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) setsockopt$inet_tcp_TLS_TX(r3, 0x6, 0x1, 0x0, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-close_range-setsockopt$inet_tcp_TLS_TX-write-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) r3 = socket$inet_mptcp(0x2, 0x1, 0x106) r4 = socket$alg(0x26, 0x5, 0x0) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, 0x0, 0x0) r6 = accept4(r4, 0x0, 0x0, 0x800) sendmmsg$alg(r6, 0x0, 0x0, 0x40800) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) setsockopt$inet_tcp_TLS_TX(r3, 0x6, 0x1, 0x0, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-close_range-setsockopt$inet_tcp_TLS_TX-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) r3 = socket$alg(0x26, 0x5, 0x0) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, 0x0, 0x0) r5 = accept4(r3, 0x0, 0x0, 0x800) sendmmsg$alg(r5, 0x0, 0x0, 0x40800) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) setsockopt$inet_tcp_TLS_TX(r2, 0x6, 0x1, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-close_range-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) r3 = socket$alg(0x26, 0x5, 0x0) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, 0x0, 0x0) r5 = accept4(r3, 0x0, 0x0, 0x800) sendmmsg$alg(r5, 0x0, 0x0, 0x40800) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) r3 = socket$alg(0x26, 0x5, 0x0) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, 0x0, 0x0) r5 = accept4(r3, 0x0, 0x0, 0x800) sendmmsg$alg(r5, 0x0, 0x0, 0x40800) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) r3 = socket$alg(0x26, 0x5, 0x0) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, 0x0, 0x0) accept4(r3, 0x0, 0x0, 0x800) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) socket$alg(0x26, 0x5, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, 0x0, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-bind$alg-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) socket$alg(0x26, 0x5, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(twofish)\x00'}, 0x58) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-socket$alg-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) socket$alg(0x26, 0x5, 0x0) socket$alg(0x26, 0x5, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-socket$alg-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) socket$alg(0x26, 0x5, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-socket$inet_mptcp-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) socket$inet_mptcp(0x2, 0x1, 0x106) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-mount-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mkdirat-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-sendmsg$nl_route-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x44050}, 0x1000) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r2, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-bpf$PROG_LOAD-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) socket$netlink(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x3, 0x3, &(0x7f0000000480)=ANY=[@ANYBLOB="1800000000000000050000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @sched_cls=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r1, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-socket$netlink-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) socket$netlink(0x10, 0x3, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r1, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-ioctl$NILFS_IOCTL_CHANGE_CPMODE-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r0 = openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) ioctl$NILFS_IOCTL_CHANGE_CPMODE(r0, 0x40106e80, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r1, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-openat$autofs-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) openat$autofs(0xffffffffffffff9c, 0x0, 0x30000, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-socket$inet_udp-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$unix-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400), 0x0) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) socket(0x2, 0x80805, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket program crashed: KASAN: slab-use-after-free Read in ep_open testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdirat-mount-openat-write-openat-socket detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0) write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0) socket(0x2, 0x80805, 0x0) program crashed: KASAN: slab-use-after-free Read in ep_open validation run: crashed=true reproducing took 23m42.424369465s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821 Read of size 8 at addr ffff8880151d9c58 by task syz.2.141/6249 CPU: 1 UID: 0 PID: 6249 Comm: syz.2.141 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x13d/0x4b0 mm/kasan/report.c:482 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595 __mutex_lock_common kernel/locking/mutex.c:625 [inline] __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821 ep_open+0x4c/0x2c0 drivers/usb/gadget/legacy/inode.c:953 do_dentry_open+0x674/0x1470 fs/open.c:1000 vfs_open_consume+0xcc/0x460 fs/open.c:1131 do_open fs/namei.c:4845 [inline] path_openat+0x1547/0x23f0 fs/namei.c:5010 do_file_open+0x20e/0x430 fs/namei.c:5039 do_sys_openat2+0x163/0x1d0 fs/open.c:1442 do_sys_open fs/open.c:1448 [inline] __do_compat_sys_openat fs/open.c:1510 [inline] __se_compat_sys_openat fs/open.c:1508 [inline] __ia32_compat_sys_openat+0x12d/0x210 fs/open.c:1508 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f78fbc Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000ff94546c EFLAGS: 00000296 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000600 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 6248: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5680 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] activate_ep_files drivers/usb/gadget/legacy/inode.c:1732 [inline] gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:771 driver_register+0x1e2/0x360 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1753 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:2015 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Freed by task 6248: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2780 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x22b/0x6d0 mm/slub.c:6923 put_ep drivers/usb/gadget/legacy/inode.c:225 [inline] put_ep+0x117/0x150 drivers/usb/gadget/legacy/inode.c:217 destroy_ep_files+0x163/0x420 drivers/usb/gadget/legacy/inode.c:1713 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1786 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1725 device_remove+0xcb/0x180 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:840 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1785 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1328 __fput+0x3fb/0xb50 fs/file_table.c:512 fput_close_sync+0x118/0x250 fs/file_table.c:618 filp_close_sync+0x75/0xa0 fs/open.c:1573 __range_close+0x4a6/0x8b0 fs/file.c:919 __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range fs/file.c:954 [inline] __ia32_sys_close_range+0x1f8/0x430 fs/file.c:954 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e The buggy address belongs to the object at ffff8880151d9c00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 88 bytes inside of freed 512-byte region [ffff8880151d9c00, ffff8880151d9e00) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x151d8 head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801d442c80 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801d442c80 dead000000000100 dead000000000122 head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000002 ffffffffffffff01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1247, tgid 1247 (kworker/u33:14), ts 58265036666 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1854 prep_new_page mm/page_alloc.c:1862 [inline] get_page_from_freelist+0x1113/0x35e0 mm/page_alloc.c:3933 __alloc_frozen_pages_noprof+0x2f6/0x3190 mm/page_alloc.c:5429 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab mm/slub.c:3499 [inline] new_slab+0xb1/0x6d0 mm/slub.c:3550 refill_objects+0xe3/0x410 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811 alloc_from_pcs mm/slub.c:4887 [inline] slab_alloc_node mm/slub.c:5021 [inline] __do_kmalloc_node mm/slub.c:5530 [inline] __kmalloc_noprof+0x677/0x840 mm/slub.c:5556 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] fib6_info_alloc+0x40/0x160 net/ipv6/ip6_fib.c:155 ip6_route_info_create+0x14c/0xad0 net/ipv6/route.c:3811 addrconf_f6i_alloc+0x2d9/0x670 net/ipv6/route.c:4698 ipv6_add_addr+0x577/0x20e0 net/ipv6/addrconf.c:1135 addrconf_add_linklocal+0x2ae/0x510 net/ipv6/addrconf.c:3352 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3488 addrconf_dev_config net/ipv6/addrconf.c:3535 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3613 addrconf_notify+0xa10/0x1ba0 net/ipv6/addrconf.c:3793 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:86 page last free pid 10 tgid 10 ts 57697785296 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1401 [inline] __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2952 kasan_depopulate_vmalloc_pte+0x5d/0x80 mm/kasan/shadow.c:484 apply_to_pte_range mm/memory.c:3436 [inline] apply_to_pmd_range mm/memory.c:3480 [inline] apply_to_pud_range mm/memory.c:3516 [inline] apply_to_p4d_range mm/memory.c:3552 [inline] __apply_to_page_range+0xb1d/0x1520 mm/memory.c:3588 __kasan_release_vmalloc+0xd7/0xe0 mm/kasan/shadow.c:602 kasan_release_vmalloc include/linux/kasan.h:593 [inline] kasan_release_vmalloc_node mm/vmalloc.c:2306 [inline] purge_vmap_node+0x210/0xb40 mm/vmalloc.c:2328 __purge_vmap_area_lazy+0x90a/0xc00 mm/vmalloc.c:2418 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2452 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff8880151d9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880151d9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880151d9c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880151d9c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880151d9d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: d2 74 05 c1 shlb %cl,-0x3f(%rbp,%rax,1) 4: e8 0c 89 02 8b call 0x8b028915 9: 5d pop %rbp a: fc cld b: 31 c0 xor %eax,%eax d: c9 leave e: c3 ret f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 0f 1f 00 nopl (%rax) 21: 51 push %rcx 22: 52 push %rdx 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 36: 00 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 3e: 58 pop %rax 3f: b8 .byte 0xb8 final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821 Read of size 8 at addr ffff8880151d9c58 by task syz.2.141/6249 CPU: 1 UID: 0 PID: 6249 Comm: syz.2.141 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x13d/0x4b0 mm/kasan/report.c:482 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595 __mutex_lock_common kernel/locking/mutex.c:625 [inline] __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821 ep_open+0x4c/0x2c0 drivers/usb/gadget/legacy/inode.c:953 do_dentry_open+0x674/0x1470 fs/open.c:1000 vfs_open_consume+0xcc/0x460 fs/open.c:1131 do_open fs/namei.c:4845 [inline] path_openat+0x1547/0x23f0 fs/namei.c:5010 do_file_open+0x20e/0x430 fs/namei.c:5039 do_sys_openat2+0x163/0x1d0 fs/open.c:1442 do_sys_open fs/open.c:1448 [inline] __do_compat_sys_openat fs/open.c:1510 [inline] __se_compat_sys_openat fs/open.c:1508 [inline] __ia32_compat_sys_openat+0x12d/0x210 fs/open.c:1508 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f78fbc Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000ff94546c EFLAGS: 00000296 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000600 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 6248: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5680 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] activate_ep_files drivers/usb/gadget/legacy/inode.c:1732 [inline] gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:771 driver_register+0x1e2/0x360 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1753 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:2015 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Freed by task 6248: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2780 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x22b/0x6d0 mm/slub.c:6923 put_ep drivers/usb/gadget/legacy/inode.c:225 [inline] put_ep+0x117/0x150 drivers/usb/gadget/legacy/inode.c:217 destroy_ep_files+0x163/0x420 drivers/usb/gadget/legacy/inode.c:1713 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1786 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1725 device_remove+0xcb/0x180 drivers/base/dd.c:616 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:840 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1785 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1328 __fput+0x3fb/0xb50 fs/file_table.c:512 fput_close_sync+0x118/0x250 fs/file_table.c:618 filp_close_sync+0x75/0xa0 fs/open.c:1573 __range_close+0x4a6/0x8b0 fs/file.c:919 __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range fs/file.c:954 [inline] __ia32_sys_close_range+0x1f8/0x430 fs/file.c:954 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307 entry_SYSENTER_compat_after_hwframe+0x84/0x8e The buggy address belongs to the object at ffff8880151d9c00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 88 bytes inside of freed 512-byte region [ffff8880151d9c00, ffff8880151d9e00) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x151d8 head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801d442c80 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801d442c80 dead000000000100 dead000000000122 head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000002 ffffffffffffff01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1247, tgid 1247 (kworker/u33:14), ts 58265036666 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1854 prep_new_page mm/page_alloc.c:1862 [inline] get_page_from_freelist+0x1113/0x35e0 mm/page_alloc.c:3933 __alloc_frozen_pages_noprof+0x2f6/0x3190 mm/page_alloc.c:5429 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab mm/slub.c:3499 [inline] new_slab+0xb1/0x6d0 mm/slub.c:3550 refill_objects+0xe3/0x410 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811 alloc_from_pcs mm/slub.c:4887 [inline] slab_alloc_node mm/slub.c:5021 [inline] __do_kmalloc_node mm/slub.c:5530 [inline] __kmalloc_noprof+0x677/0x840 mm/slub.c:5556 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] fib6_info_alloc+0x40/0x160 net/ipv6/ip6_fib.c:155 ip6_route_info_create+0x14c/0xad0 net/ipv6/route.c:3811 addrconf_f6i_alloc+0x2d9/0x670 net/ipv6/route.c:4698 ipv6_add_addr+0x577/0x20e0 net/ipv6/addrconf.c:1135 addrconf_add_linklocal+0x2ae/0x510 net/ipv6/addrconf.c:3352 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3488 addrconf_dev_config net/ipv6/addrconf.c:3535 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3613 addrconf_notify+0xa10/0x1ba0 net/ipv6/addrconf.c:3793 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:86 page last free pid 10 tgid 10 ts 57697785296 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1401 [inline] __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2952 kasan_depopulate_vmalloc_pte+0x5d/0x80 mm/kasan/shadow.c:484 apply_to_pte_range mm/memory.c:3436 [inline] apply_to_pmd_range mm/memory.c:3480 [inline] apply_to_pud_range mm/memory.c:3516 [inline] apply_to_p4d_range mm/memory.c:3552 [inline] __apply_to_page_range+0xb1d/0x1520 mm/memory.c:3588 __kasan_release_vmalloc+0xd7/0xe0 mm/kasan/shadow.c:602 kasan_release_vmalloc include/linux/kasan.h:593 [inline] kasan_release_vmalloc_node mm/vmalloc.c:2306 [inline] purge_vmap_node+0x210/0xb40 mm/vmalloc.c:2328 __purge_vmap_area_lazy+0x90a/0xc00 mm/vmalloc.c:2418 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2452 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff8880151d9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880151d9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880151d9c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880151d9c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880151d9d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: d2 74 05 c1 shlb %cl,-0x3f(%rbp,%rax,1) 4: e8 0c 89 02 8b call 0x8b028915 9: 5d pop %rbp a: fc cld b: 31 c0 xor %eax,%eax d: c9 leave e: c3 ret f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 0f 1f 00 nopl (%rax) 21: 51 push %rcx 22: 52 push %rdx 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 36: 00 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 3e: 58 pop %rax 3f: b8 .byte 0xb8