Extracting prog: 1m13.220432069s Minimizing prog: 18m21.59227108s Simplifying prog options: 1m14.402428115s Extracting C: 42.511420234s Simplifying C: 3m23.682316157s 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 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-close_range-setsockopt$inet_tcp_TLS_TX-write detailed listing: executing program 0: bpf$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) 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$inet_tcp_TLS_TX-openat detailed listing: executing program 0: bpf$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) 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 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) 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 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) 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$ALG_SET_KEY-accept4-write-openat detailed listing: executing program 0: bpf$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) 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$ALG_SET_KEY-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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$alg-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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$inet_mptcp-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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 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) 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 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) 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 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) 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$PROG_LOAD-mkdirat-mount-openat-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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$NILFS_IOCTL_CHANGE_CPMODE-mkdirat-mount-openat-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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$inet_udp-mkdirat-mount-openat-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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$PROG_LOAD-mkdirat-mount-openat-write-openat detailed listing: executing program 0: bpf$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) 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 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) 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 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) 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 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) 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 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) 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 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) 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 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) 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 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) 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 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) 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 program did not crash simplifying guilty program options testing 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 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) program crashed: KASAN: slab-use-after-free Read in ep_open extracting 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 program crashed: KASAN: slab-use-after-free Read in ep_open simplifying C reproducer 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 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 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 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 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 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 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 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 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) 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 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) 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 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) program crashed: KASAN: slab-use-after-free Read in ep_open validation run: crashed=true reproducing took 26m37.150421505s 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 ffff8880593d0458 by task syz.0.425/6425 CPU: 3 UID: 0 PID: 6425 Comm: syz.0.425 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:832 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+0x1551/0x2430 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_sys_openat fs/open.c:1464 [inline] __se_sys_openat fs/open.c:1459 [inline] __x64_sys_openat+0x12d/0x210 fs/open.c:1459 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5eb6b9f559 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:00007ffd35919f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5eb6e25fa0 RCX: 00007f5eb6b9f559 RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c RBP: 00007f5eb6c36b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5eb6e25fac R14: 00007f5eb6e25fa0 R15: 00007f5eb6e25fa0 Allocated by task 6426: 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:5563 _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:1611 [inline] gadgetfs_bind+0x582/0x890 drivers/usb/gadget/legacy/inode.c:1702 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1662 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:383 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763 driver_register+0x1e2/0x360 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1752 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:1893 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6426: 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:2748 [inline] slab_free mm/slub.c:6509 [inline] kfree+0x22b/0x6d0 mm/slub.c:6802 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:1592 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1665 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1724 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:832 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1207 __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] __x64_sys_close_range+0x1f8/0x430 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff8880593d0400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 88 bytes inside of freed 512-byte region [ffff8880593d0400, ffff8880593d0600) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x593d0 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 ffff88801d042c80 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801d042c80 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 5808, tgid 5808 (syz-executor), ts 42455511885 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x2e9/0x32e0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab mm/slub.c:3462 [inline] new_slab+0xa9/0x6e0 mm/slub.c:3513 refill_objects+0xe3/0x410 mm/slub.c:7418 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0x677/0x840 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] ops_init+0x77/0x5f0 net/core/net_namespace.c:127 setup_net+0x118/0x3a0 net/core/net_namespace.c:443 copy_net_ns+0x345/0x7a0 net/core/net_namespace.c:582 create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:132 unshare_nsproxy_namespaces+0xf2/0x220 kernel/nsproxy.c:234 ksys_unshare+0x44f/0x980 kernel/fork.c:3293 __do_sys_unshare kernel/fork.c:3359 [inline] __se_sys_unshare kernel/fork.c:3357 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3357 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Memory state around the buggy address: ffff8880593d0300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880593d0380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880593d0400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880593d0480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880593d0500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== 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 ffff8880593d0458 by task syz.0.425/6425 CPU: 3 UID: 0 PID: 6425 Comm: syz.0.425 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:832 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+0x1551/0x2430 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_sys_openat fs/open.c:1464 [inline] __se_sys_openat fs/open.c:1459 [inline] __x64_sys_openat+0x12d/0x210 fs/open.c:1459 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5eb6b9f559 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:00007ffd35919f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5eb6e25fa0 RCX: 00007f5eb6b9f559 RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c RBP: 00007f5eb6c36b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5eb6e25fac R14: 00007f5eb6e25fa0 R15: 00007f5eb6e25fa0 Allocated by task 6426: 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:5563 _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:1611 [inline] gadgetfs_bind+0x582/0x890 drivers/usb/gadget/legacy/inode.c:1702 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1662 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:383 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763 driver_register+0x1e2/0x360 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1752 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:1893 vfs_write+0x2aa/0x1050 fs/read_write.c:685 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6426: 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:2748 [inline] slab_free mm/slub.c:6509 [inline] kfree+0x22b/0x6d0 mm/slub.c:6802 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:1592 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1665 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1724 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:832 driver_unregister+0x76/0xb0 drivers/base/driver.c:202 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1207 __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] __x64_sys_close_range+0x1f8/0x430 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff8880593d0400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 88 bytes inside of freed 512-byte region [ffff8880593d0400, ffff8880593d0600) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x593d0 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 ffff88801d042c80 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801d042c80 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 5808, tgid 5808 (syz-executor), ts 42455511885 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x2e9/0x32e0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab mm/slub.c:3462 [inline] new_slab+0xa9/0x6e0 mm/slub.c:3513 refill_objects+0xe3/0x410 mm/slub.c:7418 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0x677/0x840 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] ops_init+0x77/0x5f0 net/core/net_namespace.c:127 setup_net+0x118/0x3a0 net/core/net_namespace.c:443 copy_net_ns+0x345/0x7a0 net/core/net_namespace.c:582 create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:132 unshare_nsproxy_namespaces+0xf2/0x220 kernel/nsproxy.c:234 ksys_unshare+0x44f/0x980 kernel/fork.c:3293 __do_sys_unshare kernel/fork.c:3359 [inline] __se_sys_unshare kernel/fork.c:3357 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3357 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Memory state around the buggy address: ffff8880593d0300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880593d0380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880593d0400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880593d0480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880593d0500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================