Extracting prog: 1m6.385040777s
Minimizing prog: 15m8.99394848s
Simplifying prog options: 0s
Extracting C: 24.668545392s
Simplifying C: 7m24.485283653s


extracting reproducer from 1 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-socket$rxrpc-socket$inet6_mptcp-ioctl$sock_inet6_tcp_SIOCINQ-setsockopt$RXRPC_EXCLUSIVE_CONNECTION-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
r1 = socket$rxrpc(0x21, 0x2, 0x2)
r2 = socket$inet6_mptcp(0xa, 0x1, 0x106)
ioctl$sock_inet6_tcp_SIOCINQ(r2, 0x541b, &(0x7f0000000000))
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r1, 0x110, 0x3)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-out-of-bounds Read in md5_block
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-socket$rxrpc-socket$inet6_mptcp-ioctl$sock_inet6_tcp_SIOCINQ-setsockopt$RXRPC_EXCLUSIVE_CONNECTION
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
r0 = socket$rxrpc(0x21, 0x2, 0x2)
r1 = socket$inet6_mptcp(0xa, 0x1, 0x106)
ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000000))
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r0, 0x110, 0x3)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-socket$rxrpc-socket$inet6_mptcp-ioctl$sock_inet6_tcp_SIOCINQ-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
socket$rxrpc(0x21, 0x2, 0x2)
r1 = socket$inet6_mptcp(0xa, 0x1, 0x106)
ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000000))
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-out-of-bounds Read in md5_block
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-socket$rxrpc-socket$inet6_mptcp-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
socket$rxrpc(0x21, 0x2, 0x2)
socket$inet6_mptcp(0xa, 0x1, 0x106)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-out-of-bounds Read in md5_block
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-socket$rxrpc-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
socket$rxrpc(0x21, 0x2, 0x2)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-lsetxattr$trusted_overlay_origin-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
lsetxattr$trusted_overlay_origin(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000280), 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffffff, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, 0x0, &(0x7f00000000c0))
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), 0x0)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(0x0, &(0x7f0000000440), &(0x7f00000000c0), 0x0, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), 0x0, &(0x7f00000000c0), 0x0, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), 0x0, 0x0, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000400), &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', 0x0, &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', 0x0, 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, 0x0)
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(0x0, 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, 0x0, 0x2)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-out-of-bounds Read in md5_block
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-out-of-bounds Read in md5_block
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-out-of-bounds Read in md5_block
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true 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}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true 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}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true 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}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true 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}}): getsockopt$TIPC_DEST_DROPPABLE-add_key$user-mkdirat-mount-open$dir-mkdirat
detailed listing:
executing program 0:
getsockopt$TIPC_DEST_DROPPABLE(0xffffffffffffffff, 0x10f, 0x81, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
add_key$user(&(0x7f00000003c0), &(0x7f0000000440), &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='\x00', &(0x7f0000000000)='./mnt\x00', &(0x7f0000000480)='ecryptfs\x00', 0x0, &(0x7f0000000500)='ecryptfs_sig=syz,ecryptfs_fnek_sig=syz,ecryptfs_cipher=aes,ecryptfs_key_bytes=16\x00')
r0 = open$dir(&(0x7f0000000040)='./mnt\x00', 0x18000, 0x9)
mkdirat(r0, &(0x7f0000000100)='./mnt\x00', 0x2)

program crashed: KASAN: slab-use-after-free Read in ecryptfs_write_tag_70_packet
validation run: crashed=true
reproducing took 26m28.645608993s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in ecryptfs_write_tag_70_packet+0x117b/0x1410 fs/ecryptfs/keystore.c:742
Read of size 4 at addr ffff8880352f4098 by task syz.0.17/5918

CPU: 3 UID: 0 PID: 5918 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 ecryptfs_write_tag_70_packet+0x117b/0x1410 fs/ecryptfs/keystore.c:742
 ecryptfs_encrypt_filename fs/ecryptfs/crypto.c:1378 [inline]
 ecryptfs_encrypt_and_encode_filename+0x428/0xa60 fs/ecryptfs/crypto.c:1789
 ecryptfs_lookup+0x1f7/0x830 fs/ecryptfs/inode.c:402
 lookup_one_qstr_excl+0x1cd/0x250 fs/namei.c:1810
 __start_dirop fs/namei.c:2920 [inline]
 start_dirop fs/namei.c:2942 [inline]
 filename_create+0x1cf/0x400 fs/namei.c:5092
 filename_mkdirat+0xb9/0x5e0 fs/namei.c:5436
 __do_sys_mkdirat fs/namei.c:5464 [inline]
 __se_sys_mkdirat fs/namei.c:5461 [inline]
 __x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03cfb9e159
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:00007fffc10b1be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f03cfe25fa0 RCX: 00007f03cfb9e159
RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f03cfc3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f03cfe25fac R14: 00007f03cfe25fa0 R15: 00007f03cfe25fa0
 </TASK>

Allocated by task 5869:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5010
 vm_area_alloc+0x1f/0x160 mm/vma_init.c:36
 __mmap_new_vma mm/vma.c:2656 [inline]
 __mmap_region+0x1025/0x32e0 mm/vma.c:2889
 mmap_region+0x3db/0x6d0 mm/vma.c:2974
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0xe4/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 24:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free_after_rcu_debug+0xdf/0x170 mm/slub.c:6570
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 run_ksoftirqd kernel/softirq.c:1099 [inline]
 run_ksoftirqd+0x38/0x60 kernel/softirq.c:1091
 smpboot_thread_fn+0x3d3/0xab0 kernel/smpboot.c:160
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Last potentially related work creation:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_record_aux_stack+0xa7/0xc0 mm/kasan/generic.c:556
 slab_free_hook mm/slub.c:2709 [inline]
 slab_free mm/slub.c:6508 [inline]
 kmem_cache_free+0x424/0x6c0 mm/slub.c:6635
 tear_down_vmas+0x2a5/0x610 mm/mmap.c:1277
 exit_mmap+0x469/0xa00 mm/mmap.c:1335
 __mmput+0x12a/0x410 kernel/fork.c:1193
 mmput+0x67/0x80 kernel/fork.c:1216
 exit_mm kernel/exit.c:592 [inline]
 do_exit+0x83b/0x2a50 kernel/exit.c:974
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1129
 __do_sys_exit_group kernel/exit.c:1140 [inline]
 __se_sys_exit_group kernel/exit.c:1138 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1138
 x64_sys_call+0x1567/0x1570 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880352f4000
 which belongs to the cache vm_area_struct of size 256
The buggy address is located 152 bytes inside of
 freed 256-byte region [ffff8880352f4000, ffff8880352f4100)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x352f4
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801dece8c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000200190019 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801dece8c0 dead000000000100 dead000000000122
head: 0000000000000000 0000000200190019 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5513, tgid 5513 (dhcpcd-run-hook), ts 22372959600
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7417
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 kmem_cache_alloc_noprof+0x4c4/0x6a0 mm/slub.c:5010
 vm_area_dup+0x27/0x9d0 mm/vma_init.c:128
 __split_vma+0x19c/0x1de0 mm/vma.c:560
 vms_gather_munmap_vmas+0x1d2/0x1720 mm/vma.c:1507
 __mmap_setup mm/vma.c:2546 [inline]
 __mmap_region+0x4cc/0x32e0 mm/vma.c:2869
 mmap_region+0x3db/0x6d0 mm/vma.c:2974
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
page last free pid 5139 tgid 5139 ts 17478914657 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0x56/0xc0 arch/x86/kernel/apic/apic.c:1062
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674

Memory state around the buggy address:
 ffff8880352f3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880352f4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880352f4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff8880352f4100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff8880352f4180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in ecryptfs_write_tag_70_packet+0x117b/0x1410 fs/ecryptfs/keystore.c:742
Read of size 4 at addr ffff8880352f4098 by task syz.0.17/5918

CPU: 3 UID: 0 PID: 5918 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 ecryptfs_write_tag_70_packet+0x117b/0x1410 fs/ecryptfs/keystore.c:742
 ecryptfs_encrypt_filename fs/ecryptfs/crypto.c:1378 [inline]
 ecryptfs_encrypt_and_encode_filename+0x428/0xa60 fs/ecryptfs/crypto.c:1789
 ecryptfs_lookup+0x1f7/0x830 fs/ecryptfs/inode.c:402
 lookup_one_qstr_excl+0x1cd/0x250 fs/namei.c:1810
 __start_dirop fs/namei.c:2920 [inline]
 start_dirop fs/namei.c:2942 [inline]
 filename_create+0x1cf/0x400 fs/namei.c:5092
 filename_mkdirat+0xb9/0x5e0 fs/namei.c:5436
 __do_sys_mkdirat fs/namei.c:5464 [inline]
 __se_sys_mkdirat fs/namei.c:5461 [inline]
 __x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03cfb9e159
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:00007fffc10b1be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f03cfe25fa0 RCX: 00007f03cfb9e159
RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f03cfc3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f03cfe25fac R14: 00007f03cfe25fa0 R15: 00007f03cfe25fa0
 </TASK>

Allocated by task 5869:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5010
 vm_area_alloc+0x1f/0x160 mm/vma_init.c:36
 __mmap_new_vma mm/vma.c:2656 [inline]
 __mmap_region+0x1025/0x32e0 mm/vma.c:2889
 mmap_region+0x3db/0x6d0 mm/vma.c:2974
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0xe4/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 24:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free_after_rcu_debug+0xdf/0x170 mm/slub.c:6570
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 run_ksoftirqd kernel/softirq.c:1099 [inline]
 run_ksoftirqd+0x38/0x60 kernel/softirq.c:1091
 smpboot_thread_fn+0x3d3/0xab0 kernel/smpboot.c:160
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Last potentially related work creation:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_record_aux_stack+0xa7/0xc0 mm/kasan/generic.c:556
 slab_free_hook mm/slub.c:2709 [inline]
 slab_free mm/slub.c:6508 [inline]
 kmem_cache_free+0x424/0x6c0 mm/slub.c:6635
 tear_down_vmas+0x2a5/0x610 mm/mmap.c:1277
 exit_mmap+0x469/0xa00 mm/mmap.c:1335
 __mmput+0x12a/0x410 kernel/fork.c:1193
 mmput+0x67/0x80 kernel/fork.c:1216
 exit_mm kernel/exit.c:592 [inline]
 do_exit+0x83b/0x2a50 kernel/exit.c:974
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1129
 __do_sys_exit_group kernel/exit.c:1140 [inline]
 __se_sys_exit_group kernel/exit.c:1138 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1138
 x64_sys_call+0x1567/0x1570 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880352f4000
 which belongs to the cache vm_area_struct of size 256
The buggy address is located 152 bytes inside of
 freed 256-byte region [ffff8880352f4000, ffff8880352f4100)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x352f4
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801dece8c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000200190019 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801dece8c0 dead000000000100 dead000000000122
head: 0000000000000000 0000000200190019 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5513, tgid 5513 (dhcpcd-run-hook), ts 22372959600
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7417
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 kmem_cache_alloc_noprof+0x4c4/0x6a0 mm/slub.c:5010
 vm_area_dup+0x27/0x9d0 mm/vma_init.c:128
 __split_vma+0x19c/0x1de0 mm/vma.c:560
 vms_gather_munmap_vmas+0x1d2/0x1720 mm/vma.c:1507
 __mmap_setup mm/vma.c:2546 [inline]
 __mmap_region+0x4cc/0x32e0 mm/vma.c:2869
 mmap_region+0x3db/0x6d0 mm/vma.c:2974
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
page last free pid 5139 tgid 5139 ts 17478914657 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0x56/0xc0 arch/x86/kernel/apic/apic.c:1062
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674

Memory state around the buggy address:
 ffff8880352f3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880352f4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880352f4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff8880352f4100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff8880352f4180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================