Extracting prog: 2m40.874184054s
Minimizing prog: 19m4.547078159s
Simplifying prog options: 0s
Extracting C: 1m2.683533363s
Simplifying C: 6m47.883070488s


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:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-ioctl-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl(r0, 0x8b32, &(0x7f0000000100))
r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r1, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-ioctl-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl(r0, 0x8b32, &(0x7f0000000100))
r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r1, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-ioctl-openat$dm_control-ioctl$DM_DEV_CREATE
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl(r0, 0x8b32, &(0x7f0000000100))
r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r1, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-ioctl-openat$dm_control-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl(r0, 0x8b32, &(0x7f0000000100))
r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-ioctl-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl(r0, 0x8b32, &(0x7f0000000100))
ioctl$DM_DEV_CREATE(0xffffffffffffffff, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(0xffffffffffffffff, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-ioctl$sock_SIOCGIFINDEX_80211-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-sendto$packet-syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x5, 0x0, 0x0)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): sendmsg$NFULNL_MSG_CONFIG-syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
sendmsg$NFULNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="20030000000405000000000000000000050000030a000200000000b301000000"], 0x20}, 0x1, 0x0, 0x0, 0x20044000}, 0x40040)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, 0x0)
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true 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}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program crashed: KASAN: slab-use-after-free Read in pool_ctr
testing program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000003c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x80800, 0x0, 0x0, @by_name={0x0, {'syz', 0x0, '2\x00'}}, [@thin_pool={0x0, 0x2000, 0x0, 0x70, 'thin-pool\x00', {@ram={'/dev/ram', 0x0}, 0x20, @ram_num={'1:', 0x0}, 0x20, '128', 0x20, 0x0, ' 1 read_only'}}]})

program crashed: KASAN: slab-use-after-free Read in pool_ctr
validation run: crashed=true
reproducing took 32m46.579612072s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in pool_ctr+0x874/0xd60 drivers/md/dm-thin.c:3363
Read of size 8 at addr ffff88803fdba718 by task syz.0.17/5513

CPU: 0 UID: 0 PID: 5513 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 pool_ctr+0x874/0xd60 drivers/md/dm-thin.c:3363
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f93a9b9f559
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:00007ffda4ebf178 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f93a9e25fa0 RCX: 00007f93a9b9f559
RDX: 00002000000003c0 RSI: 00000000c138fd09 RDI: 0000000000000003
RBP: 00007f93a9c36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f93a9e25fac R14: 00007f93a9e25fa0 R15: 00007f93a9e25fa0
 </TASK>

Allocated by task 5513:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_node_noprof+0x3cc/0x620 mm/slub.c:5582
 _kmalloc_node_noprof include/linux/slab.h:1196 [inline]
 open_table_device drivers/md/dm.c:733 [inline]
 dm_get_table_device+0x23e/0x730 drivers/md/dm.c:821
 dm_get_device+0x327/0x760 drivers/md/dm-table.c:388
 pool_ctr+0x4ae/0xd60 drivers/md/dm-thin.c:3329
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5513:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6802
 close_table_device drivers/md/dm.c:798 [inline]
 dm_put_table_device+0x255/0x2a0 drivers/md/dm.c:841
 upgrade_mode drivers/md/dm-table.c:326 [inline]
 dm_get_device+0x56f/0x760 drivers/md/dm-table.c:399
 pool_ctr+0x585/0xd60 drivers/md/dm-thin.c:3336
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803fdba700
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 24 bytes inside of
 freed 96-byte region [ffff88803fdba700, ffff88803fdba760)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3fdba
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000000 ffff88801c041280 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000200020 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 26883178518
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x396/0x600 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 lookup_or_create_module_kobject+0x75/0x170 kernel/params.c:761
 module_add_driver+0x79/0x320 drivers/base/module.c:46
 bus_add_driver+0x3e5/0x6e0 drivers/base/bus.c:772
 driver_register+0x23a/0x320 drivers/base/driver.c:174
 __hid_register_driver+0x12a/0x170 drivers/hid/hid-core.c:3197
 do_one_initcall+0x250/0x870 init/main.c:1362
 do_initcall_level+0x10a/0x1a0 init/main.c:1424
 do_initcalls+0x59/0xa0 init/main.c:1440
 kernel_init_freeable+0x29d/0x3e0 init/main.c:1675
page last free pid 1 tgid 1 ts 26491888841 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x22c/0x490 mm/vmalloc.c:3510
 tpg_free+0x9b/0x420 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:193
 vivid_dev_release+0xc5/0x120 drivers/media/test-drivers/vivid/vivid-core.c:865
 v4l2_device_release drivers/media/v4l2-core/v4l2-device.c:51 [inline]
 kref_put include/linux/kref.h:65 [inline]
 v4l2_device_put+0x81/0xd0 drivers/media/v4l2-core/v4l2-device.c:56
 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:2070 [inline]
 vivid_probe+0x4977/0x70c0 drivers/media/test-drivers/vivid/vivid-core.c:2095
 platform_probe+0xf9/0x190 drivers/base/platform.c:1507
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x38f/0x6e0 drivers/base/bus.c:768
 driver_register+0x23a/0x320 drivers/base/driver.c:174

Memory state around the buggy address:
 ffff88803fdba600: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff88803fdba680: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>ffff88803fdba700: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
                            ^
 ffff88803fdba780: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff88803fdba800: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in pool_ctr+0x874/0xd60 drivers/md/dm-thin.c:3363
Read of size 8 at addr ffff88803fdba718 by task syz.0.17/5513

CPU: 0 UID: 0 PID: 5513 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 pool_ctr+0x874/0xd60 drivers/md/dm-thin.c:3363
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f93a9b9f559
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:00007ffda4ebf178 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f93a9e25fa0 RCX: 00007f93a9b9f559
RDX: 00002000000003c0 RSI: 00000000c138fd09 RDI: 0000000000000003
RBP: 00007f93a9c36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f93a9e25fac R14: 00007f93a9e25fa0 R15: 00007f93a9e25fa0
 </TASK>

Allocated by task 5513:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_node_noprof+0x3cc/0x620 mm/slub.c:5582
 _kmalloc_node_noprof include/linux/slab.h:1196 [inline]
 open_table_device drivers/md/dm.c:733 [inline]
 dm_get_table_device+0x23e/0x730 drivers/md/dm.c:821
 dm_get_device+0x327/0x760 drivers/md/dm-table.c:388
 pool_ctr+0x4ae/0xd60 drivers/md/dm-thin.c:3329
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5513:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6802
 close_table_device drivers/md/dm.c:798 [inline]
 dm_put_table_device+0x255/0x2a0 drivers/md/dm.c:841
 upgrade_mode drivers/md/dm-table.c:326 [inline]
 dm_get_device+0x56f/0x760 drivers/md/dm-table.c:399
 pool_ctr+0x585/0xd60 drivers/md/dm-thin.c:3336
 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749
 populate_table drivers/md/dm-ioctl.c:1602 [inline]
 table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645
 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline]
 dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803fdba700
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 24 bytes inside of
 freed 96-byte region [ffff88803fdba700, ffff88803fdba760)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3fdba
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000000 ffff88801c041280 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000200020 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 26883178518
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x396/0x600 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 lookup_or_create_module_kobject+0x75/0x170 kernel/params.c:761
 module_add_driver+0x79/0x320 drivers/base/module.c:46
 bus_add_driver+0x3e5/0x6e0 drivers/base/bus.c:772
 driver_register+0x23a/0x320 drivers/base/driver.c:174
 __hid_register_driver+0x12a/0x170 drivers/hid/hid-core.c:3197
 do_one_initcall+0x250/0x870 init/main.c:1362
 do_initcall_level+0x10a/0x1a0 init/main.c:1424
 do_initcalls+0x59/0xa0 init/main.c:1440
 kernel_init_freeable+0x29d/0x3e0 init/main.c:1675
page last free pid 1 tgid 1 ts 26491888841 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x22c/0x490 mm/vmalloc.c:3510
 tpg_free+0x9b/0x420 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:193
 vivid_dev_release+0xc5/0x120 drivers/media/test-drivers/vivid/vivid-core.c:865
 v4l2_device_release drivers/media/v4l2-core/v4l2-device.c:51 [inline]
 kref_put include/linux/kref.h:65 [inline]
 v4l2_device_put+0x81/0xd0 drivers/media/v4l2-core/v4l2-device.c:56
 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:2070 [inline]
 vivid_probe+0x4977/0x70c0 drivers/media/test-drivers/vivid/vivid-core.c:2095
 platform_probe+0xf9/0x190 drivers/base/platform.c:1507
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x38f/0x6e0 drivers/base/bus.c:768
 driver_register+0x23a/0x320 drivers/base/driver.c:174

Memory state around the buggy address:
 ffff88803fdba600: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff88803fdba680: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>ffff88803fdba700: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
                            ^
 ffff88803fdba780: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff88803fdba800: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
==================================================================