Extracting prog: 1m13.752755398s Minimizing prog: 19m10.477293018s Simplifying prog options: 0s Extracting C: 23.238651232s Simplifying C: 5m7.92214713s 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-fsopen-syz_create_resource$binfmt-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) fsopen(0x0, 0x0) syz_create_resource$binfmt(0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in atime_needs_update single: successfully extracted reproducer found reproducer with 17 syscalls minimizing guilty program testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-fsopen-syz_create_resource$binfmt detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) fsopen(0x0, 0x0) syz_create_resource$binfmt(0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-fsopen-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) fsopen(0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in atime_needs_update testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-fsmount-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsconfig$FSCONFIG_CMD_CREATE-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffffff, &(0x7f0000000140)='./file0\x00') unlinkat(0xffffffffffffffff, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(0xffffffffffffffff, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsopen-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-bpf$OBJ_GET_PROG-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) (async) r1 = fsmount(0xffffffffffffffff, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in atime_needs_update testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$MAP_UPDATE_ELEM_TAIL_CALL-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-bpf$MAP_UPDATE_ELEM_TAIL_CALL-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in pick_link testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-ioctl$SIOCSIFHWADDR-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) r1 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r2, &(0x7f0000000140)='./file0\x00') unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r2, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: dup(0xffffffffffffffff) r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) (async) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) (async) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(0x0, 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) (async) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(0x0, r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, 0x0) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, 0x0, 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, 0x0, 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program crashed: KASAN: use-after-free Read in link_path_walk simplifying C reproducer testing compiled C program (duration=45.317673304s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program did not crash testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program did not crash testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program did not crash testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program crashed: KASAN: use-after-free Read in atime_needs_update testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program crashed: KASAN: use-after-free Read in atime_needs_update testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program crashed: KASAN: use-after-free Read in pick_link testing compiled C program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID program crashed: KASAN: use-after-free Read in pick_link testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in atime_needs_update validation run: crashed=true testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in link_path_walk validation run: crashed=true testing program (duration=45.317673304s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-symlinkat-unlinkat-unlinkat-write$uinput_user_dev-bpf$BPF_MAP_GET_FD_BY_ID detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000100)='bpf\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) symlinkat(&(0x7f0000000000)='.\x00', r1, &(0x7f0000000140)='./file0\x00') unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) (async) unlinkat(r1, &(0x7f00000001c0)='./file0/../file0/file0\x00', 0x0) write$uinput_user_dev(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) program crashed: KASAN: use-after-free Read in atime_needs_update validation run: crashed=true reproducing took 28m51.188686671s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in timespec64_compare include/linux/time64.h:60 [inline] BUG: KASAN: use-after-free in relatime_need_update fs/inode.c:1850 [inline] BUG: KASAN: use-after-free in atime_needs_update+0x5cf/0x810 fs/inode.c:1943 Read of size 8 at addr ffff88813264d870 by task syz.1.1150/3792 CPU: 0 PID: 3792 Comm: syz.1.1150 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 timespec64_compare include/linux/time64.h:60 [inline] relatime_need_update fs/inode.c:1850 [inline] atime_needs_update+0x5cf/0x810 fs/inode.c:1943 pick_link+0x4b3/0xe00 fs/namei.c:1762 step_into+0xac8/0xce0 fs/namei.c:1840 walk_component+0x263/0x460 fs/namei.c:1990 link_path_walk+0x688/0xde0 fs/namei.c:-1 path_parentat fs/namei.c:2510 [inline] __filename_parentat+0x254/0x690 fs/namei.c:2534 filename_parentat fs/namei.c:2552 [inline] do_unlinkat+0xeb/0x6c0 fs/namei.c:4327 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xd8/0xf0 fs/namei.c:4392 x64_sys_call+0x4c0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:264 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f6f3ec5ce59 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:00007f6f3eabf028 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f6f3eed5fa0 RCX: 00007f6f3ec5ce59 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007f6f3ecf2e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6f3eed6038 R14: 00007f6f3eed5fa0 R15: 00007ffffbde4448 Allocated by task 3792: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3245 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260 alloc_inode fs/inode.c:266 [inline] new_inode_pseudo+0x7a/0x210 fs/inode.c:1011 new_inode+0x28/0x1e0 fs/inode.c:1040 bpf_get_inode kernel/bpf/inode.c:116 [inline] bpf_symlink+0x65/0x270 kernel/bpf/inode.c:394 vfs_symlink+0x29e/0x470 fs/namei.c:4437 do_symlinkat+0x24a/0x5d0 fs/namei.c:4466 __do_sys_symlinkat fs/namei.c:4483 [inline] __se_sys_symlinkat fs/namei.c:4480 [inline] __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4480 x64_sys_call+0x74b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:267 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 3797: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3544 free_inode_nonrcu+0x1c/0x20 fs/inode.c:245 bpf_destroy_inode+0x14a/0x170 kernel/bpf/inode.c:621 destroy_inode fs/inode.c:314 [inline] evict+0x790/0x8b0 fs/inode.c:665 iput_final fs/inode.c:1779 [inline] iput+0x651/0x7e0 fs/inode.c:1805 do_unlinkat+0x380/0x6c0 fs/namei.c:4363 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xd8/0xf0 fs/namei.c:4392 x64_sys_call+0x4c0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:264 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff88813264d810 which belongs to the cache inode_cache of size 752 The buggy address is located 96 bytes inside of 752-byte region [ffff88813264d810, ffff88813264db00) The buggy address belongs to the page: page:ffffea0004c99300 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88813264f700 pfn:0x13264c head:ffffea0004c99300 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 ffffea0004c93d00 0000000a0000000a ffff8881001c5680 raw: ffff88813264f700 000000008012000d 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 672, ts 32711182094, free_ts 0 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 alloc_inode fs/inode.c:266 [inline] new_inode_pseudo+0x7a/0x210 fs/inode.c:1011 new_inode+0x28/0x1e0 fs/inode.c:1040 simple_fill_super+0xd1/0x5c0 fs/libfs.c:630 bpf_fill_super+0xb1/0x790 kernel/bpf/inode.c:769 vfs_get_super fs/super.c:1172 [inline] get_tree_nodev+0xb3/0x160 fs/super.c:1202 bpf_get_tree+0x1c/0x20 kernel/bpf/inode.c:785 vfs_get_tree+0x89/0x260 fs/super.c:1530 vfs_fsconfig_locked+0x236/0x3f0 fs/fsopen.c:238 page_owner free stack trace missing Memory state around the buggy address: ffff88813264d700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88813264d780: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88813264d800: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88813264d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88813264d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in timespec64_compare include/linux/time64.h:60 [inline] BUG: KASAN: use-after-free in relatime_need_update fs/inode.c:1850 [inline] BUG: KASAN: use-after-free in atime_needs_update+0x5cf/0x810 fs/inode.c:1943 Read of size 8 at addr ffff88813264d870 by task syz.1.1150/3792 CPU: 0 PID: 3792 Comm: syz.1.1150 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 timespec64_compare include/linux/time64.h:60 [inline] relatime_need_update fs/inode.c:1850 [inline] atime_needs_update+0x5cf/0x810 fs/inode.c:1943 pick_link+0x4b3/0xe00 fs/namei.c:1762 step_into+0xac8/0xce0 fs/namei.c:1840 walk_component+0x263/0x460 fs/namei.c:1990 link_path_walk+0x688/0xde0 fs/namei.c:-1 path_parentat fs/namei.c:2510 [inline] __filename_parentat+0x254/0x690 fs/namei.c:2534 filename_parentat fs/namei.c:2552 [inline] do_unlinkat+0xeb/0x6c0 fs/namei.c:4327 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xd8/0xf0 fs/namei.c:4392 x64_sys_call+0x4c0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:264 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f6f3ec5ce59 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:00007f6f3eabf028 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f6f3eed5fa0 RCX: 00007f6f3ec5ce59 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007f6f3ecf2e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6f3eed6038 R14: 00007f6f3eed5fa0 R15: 00007ffffbde4448 Allocated by task 3792: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3245 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260 alloc_inode fs/inode.c:266 [inline] new_inode_pseudo+0x7a/0x210 fs/inode.c:1011 new_inode+0x28/0x1e0 fs/inode.c:1040 bpf_get_inode kernel/bpf/inode.c:116 [inline] bpf_symlink+0x65/0x270 kernel/bpf/inode.c:394 vfs_symlink+0x29e/0x470 fs/namei.c:4437 do_symlinkat+0x24a/0x5d0 fs/namei.c:4466 __do_sys_symlinkat fs/namei.c:4483 [inline] __se_sys_symlinkat fs/namei.c:4480 [inline] __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4480 x64_sys_call+0x74b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:267 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 3797: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3544 free_inode_nonrcu+0x1c/0x20 fs/inode.c:245 bpf_destroy_inode+0x14a/0x170 kernel/bpf/inode.c:621 destroy_inode fs/inode.c:314 [inline] evict+0x790/0x8b0 fs/inode.c:665 iput_final fs/inode.c:1779 [inline] iput+0x651/0x7e0 fs/inode.c:1805 do_unlinkat+0x380/0x6c0 fs/namei.c:4363 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xd8/0xf0 fs/namei.c:4392 x64_sys_call+0x4c0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:264 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff88813264d810 which belongs to the cache inode_cache of size 752 The buggy address is located 96 bytes inside of 752-byte region [ffff88813264d810, ffff88813264db00) The buggy address belongs to the page: page:ffffea0004c99300 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88813264f700 pfn:0x13264c head:ffffea0004c99300 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 ffffea0004c93d00 0000000a0000000a ffff8881001c5680 raw: ffff88813264f700 000000008012000d 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 672, ts 32711182094, free_ts 0 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3260 alloc_inode fs/inode.c:266 [inline] new_inode_pseudo+0x7a/0x210 fs/inode.c:1011 new_inode+0x28/0x1e0 fs/inode.c:1040 simple_fill_super+0xd1/0x5c0 fs/libfs.c:630 bpf_fill_super+0xb1/0x790 kernel/bpf/inode.c:769 vfs_get_super fs/super.c:1172 [inline] get_tree_nodev+0xb3/0x160 fs/super.c:1202 bpf_get_tree+0x1c/0x20 kernel/bpf/inode.c:785 vfs_get_tree+0x89/0x260 fs/super.c:1530 vfs_fsconfig_locked+0x236/0x3f0 fs/fsopen.c:238 page_owner free stack trace missing Memory state around the buggy address: ffff88813264d700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88813264d780: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88813264d800: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88813264d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88813264d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================