Extracting prog: 57.380812054s
Minimizing prog: 19m52.531510444s
Simplifying prog options: 0s
Extracting C: 33.371252896s
Simplifying C: 9m59.109368249s
extracting reproducer from 67 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-syz_genetlink_get_family_id$ethtool-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r0)
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-syz_genetlink_get_family_id$ethtool
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), r0)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
preadv(0xffffffffffffffff, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, 0x0, 0x0)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, 0x0)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, 0x0)
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, 0x0, 0x0, 0x8, 0xffffffff)
program did not crash
testing program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{0x0}], 0x1, 0x8, 0xffffffff)
program did not crash
extracting C reproducer
testing compiled C program (duration=45.871819069s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
simplifying C reproducer
testing compiled C program (duration=45.871819069s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing compiled C program (duration=45.871819069s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
testing program (duration=45.871819069s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
validation run: crashed=true
testing program (duration=45.871819069s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
validation run: crashed=true
testing program (duration=45.871819069s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_MM_MAP-sendmsg$NFT_BATCH-io_uring_setup-syz_open_procfs-preadv
detailed listing:
executing program 0:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0)
io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a1, 0x4000, 0x8, 0xc1})
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00')
preadv(r0, &(0x7f00000005c0)=[{&(0x7f0000000280)=""/196, 0xc4}], 0x1, 0x8, 0xffffffff)
program crashed: KASAN: global-out-of-bounds Read in io_uring_show_fdinfo
validation run: crashed=true
reproducing took 36m7.567971709s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: global-out-of-bounds in __io_uring_show_fdinfo io_uring/fdinfo.c:111 [inline]
BUG: KASAN: global-out-of-bounds in io_uring_show_fdinfo+0x86d/0x1830 io_uring/fdinfo.c:257
Read of size 2 at addr ffffffff8bbe27f0 by task syz.0.17/6005
CPU: 0 UID: 0 PID: 6005 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
__io_uring_show_fdinfo io_uring/fdinfo.c:111 [inline]
io_uring_show_fdinfo+0x86d/0x1830 io_uring/fdinfo.c:257
seq_show+0x5bc/0x730 fs/proc/fd.c:68
traverse+0x1ee/0x580 fs/seq_file.c:111
seq_read_iter+0xd08/0xe20 fs/seq_file.c:195
seq_read+0x369/0x480 fs/seq_file.c:162
do_loop_readv_writev fs/read_write.c:847 [inline]
vfs_readv+0x5aa/0x850 fs/read_write.c:1020
do_preadv fs/read_write.c:1132 [inline]
__do_sys_preadv fs/read_write.c:1179 [inline]
__se_sys_preadv fs/read_write.c:1174 [inline]
__x64_sys_preadv+0x197/0x2a0 fs/read_write.c:1174
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32f7f8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf8569278 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f32f81e5fa0 RCX: 00007f32f7f8efc9
RDX: 0000000000000001 RSI: 00002000000005c0 RDI: 0000000000000004
RBP: 00007f32f8011f91 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f32f81e5fa0 R14: 00007f32f81e5fa0 R15: 0000000000000005
The buggy address belongs to the variable:
.str.15+0x10/0x20
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xbbe2
flags: 0xfff00000002000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002000 ffffea00002ef888 ffffea00002ef888 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)
Memory state around the buggy address:
ffffffff8bbe2680: 00 03 f9 f9 00 04 f9 f9 00 01 f9 f9 00 04 f9 f9
ffffffff8bbe2700: 00 00 f9 f9 00 f9 f9 f9 00 f9 f9 f9 00 f9 f9 f9
>ffffffff8bbe2780: 00 07 f9 f9 07 f9 f9 f9 00 05 f9 f9 00 05 f9 f9
^
ffffffff8bbe2800: 00 f9 f9 f9 00 02 f9 f9 07 f9 f9 f9 06 f9 f9 f9
ffffffff8bbe2880: 00 05 f9 f9 06 f9 f9 f9 05 f9 f9 f9 06 f9 f9 f9
==================================================================
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: global-out-of-bounds in __io_uring_show_fdinfo io_uring/fdinfo.c:111 [inline]
BUG: KASAN: global-out-of-bounds in io_uring_show_fdinfo+0x86d/0x1830 io_uring/fdinfo.c:257
Read of size 2 at addr ffffffff8bbe27f0 by task syz.0.17/6005
CPU: 0 UID: 0 PID: 6005 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
__io_uring_show_fdinfo io_uring/fdinfo.c:111 [inline]
io_uring_show_fdinfo+0x86d/0x1830 io_uring/fdinfo.c:257
seq_show+0x5bc/0x730 fs/proc/fd.c:68
traverse+0x1ee/0x580 fs/seq_file.c:111
seq_read_iter+0xd08/0xe20 fs/seq_file.c:195
seq_read+0x369/0x480 fs/seq_file.c:162
do_loop_readv_writev fs/read_write.c:847 [inline]
vfs_readv+0x5aa/0x850 fs/read_write.c:1020
do_preadv fs/read_write.c:1132 [inline]
__do_sys_preadv fs/read_write.c:1179 [inline]
__se_sys_preadv fs/read_write.c:1174 [inline]
__x64_sys_preadv+0x197/0x2a0 fs/read_write.c:1174
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32f7f8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf8569278 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f32f81e5fa0 RCX: 00007f32f7f8efc9
RDX: 0000000000000001 RSI: 00002000000005c0 RDI: 0000000000000004
RBP: 00007f32f8011f91 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f32f81e5fa0 R14: 00007f32f81e5fa0 R15: 0000000000000005
The buggy address belongs to the variable:
.str.15+0x10/0x20
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xbbe2
flags: 0xfff00000002000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002000 ffffea00002ef888 ffffea00002ef888 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)
Memory state around the buggy address:
ffffffff8bbe2680: 00 03 f9 f9 00 04 f9 f9 00 01 f9 f9 00 04 f9 f9
ffffffff8bbe2700: 00 00 f9 f9 00 f9 f9 f9 00 f9 f9 f9 00 f9 f9 f9
>ffffffff8bbe2780: 00 07 f9 f9 07 f9 f9 f9 00 05 f9 f9 00 05 f9 f9
^
ffffffff8bbe2800: 00 f9 f9 f9 00 02 f9 f9 07 f9 f9 f9 06 f9 f9 f9
ffffffff8bbe2880: 00 05 f9 f9 06 f9 f9 f9 05 f9 f9 f9 06 f9 f9 f9
==================================================================