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
==================================================================