Extracting prog: 2m23.457871961s
Minimizing prog: 21m45.674630314s
Simplifying prog options: 0s
Extracting C: 1m0.23208183s
Simplifying C: 8m37.561014832s


extracting reproducer from 51 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
chdir(0x0)
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program crashed: general protection fault in io_sqe_buffer_register
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS
detailed listing:
executing program 0:
chdir(0x0)
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
chdir(0x0)
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-mmap-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
chdir(0x0)
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(0xffffffffffffffff, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
chdir(0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program crashed: general protection fault in io_sqe_buffer_register
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, 0x0, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, 0x0, &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), 0x0)
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {&(0x7f0000010100)=""/81, 0x51}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, 0x0, 0x0)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20)

program crashed: general protection fault in io_sqe_buffer_register
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, 0x0, 0x0)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, 0x0, &(0x7f00000005c0)}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {0x0}], &(0x7f00000005c0), 0x2}, 0x20)

program did not crash
testing program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x4b5, &(0x7f0000010400)={0x0, 0x86e1, 0x1, 0x8}, &(0x7f0000010080), &(0x7f0000000000))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{0x0}, {0x0}], 0x2)
io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340)}], 0x0, 0x2}, 0x20)

program did not crash
extracting C reproducer
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
simplifying C reproducer
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
testing compiled C program (duration=50.887491216s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE
program crashed: general protection fault in io_sqe_buffer_register
reproducing took 33m46.925653295s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 UID: 0 PID: 5839 Comm: syz-executor115 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:headpage_already_acct io_uring/rsrc.c:584 [inline]
RIP: 0010:io_buffer_account_pin io_uring/rsrc.c:614 [inline]
RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 io_uring/rsrc.c:758
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60
RSP: 0018:ffffc90003b0f640 EFLAGS: 00010206
RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000
RDX: ffff888034972128 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b0f7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003d3000
R10: dffffc0000000000 R11: fffff940003d3001 R12: ffffea0001e98000
R13: 0000000000000006 R14: 1ffff11005ec3630 R15: ffff88802f61b180
FS:  000055555d42c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010404 CR3: 000000007701e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __io_sqe_buffers_update io_uring/rsrc.c:257 [inline]
 __io_register_rsrc_update+0x5c8/0x1320 io_uring/rsrc.c:295
 io_register_rsrc_update+0x1d1/0x230 io_uring/rsrc.c:326
 __do_sys_io_uring_register io_uring/register.c:938 [inline]
 __se_sys_io_uring_register+0x8ee/0x40d0 io_uring/register.c:915
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7e739b2469
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec6d78828 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00000000000004b5 RCX: 00007f7e739b2469
RDX: 0000000020000600 RSI: 0000000000000010 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000ac5f8 R09: 00000000000ac5f8
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffec6d789f8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:headpage_already_acct io_uring/rsrc.c:584 [inline]
RIP: 0010:io_buffer_account_pin io_uring/rsrc.c:614 [inline]
RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 io_uring/rsrc.c:758
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60
RSP: 0018:ffffc90003b0f640 EFLAGS: 00010206
RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000
RDX: ffff888034972128 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b0f7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003d3000
R10: dffffc0000000000 R11: fffff940003d3001 R12: ffffea0001e98000
R13: 0000000000000006 R14: 1ffff11005ec3630 R15: ffff88802f61b180
FS:  000055555d42c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010404 CR3: 000000007701e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	df 80 3c 08 00 74    	filds  0x7400083c(%rax)
   6:	08 48 89             	or     %cl,-0x77(%rax)
   9:	df e8                	fucomip %st(0),%st
   b:	b0 8a                	mov    $0x8a,%al
   d:	55                   	push   %rbp
   e:	fd                   	std
   f:	48 8b 1b             	mov    (%rbx),%rbx
  12:	48 83 c3 18          	add    $0x18,%rbx
  16:	48 89 d8             	mov    %rbx,%rax
  19:	48 c1 e8 03          	shr    $0x3,%rax
  1d:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  24:	fc ff df
* 27:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2b:	74 08                	je     0x35
  2d:	48 89 df             	mov    %rbx,%rdi
  30:	e8 8a 8a 55 fd       	call   0xfd558abf
  35:	48 8b 03             	mov    (%rbx),%rax
  38:	48 89 44 24 60       	mov    %rax,0x60(%rsp)

final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 UID: 0 PID: 5839 Comm: syz-executor115 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:headpage_already_acct io_uring/rsrc.c:584 [inline]
RIP: 0010:io_buffer_account_pin io_uring/rsrc.c:614 [inline]
RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 io_uring/rsrc.c:758
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60
RSP: 0018:ffffc90003b0f640 EFLAGS: 00010206
RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000
RDX: ffff888034972128 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b0f7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003d3000
R10: dffffc0000000000 R11: fffff940003d3001 R12: ffffea0001e98000
R13: 0000000000000006 R14: 1ffff11005ec3630 R15: ffff88802f61b180
FS:  000055555d42c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010404 CR3: 000000007701e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __io_sqe_buffers_update io_uring/rsrc.c:257 [inline]
 __io_register_rsrc_update+0x5c8/0x1320 io_uring/rsrc.c:295
 io_register_rsrc_update+0x1d1/0x230 io_uring/rsrc.c:326
 __do_sys_io_uring_register io_uring/register.c:938 [inline]
 __se_sys_io_uring_register+0x8ee/0x40d0 io_uring/register.c:915
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7e739b2469
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec6d78828 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00000000000004b5 RCX: 00007f7e739b2469
RDX: 0000000020000600 RSI: 0000000000000010 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000ac5f8 R09: 00000000000ac5f8
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffec6d789f8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:headpage_already_acct io_uring/rsrc.c:584 [inline]
RIP: 0010:io_buffer_account_pin io_uring/rsrc.c:614 [inline]
RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 io_uring/rsrc.c:758
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60
RSP: 0018:ffffc90003b0f640 EFLAGS: 00010206
RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000
RDX: ffff888034972128 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b0f7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003d3000
R10: dffffc0000000000 R11: fffff940003d3001 R12: ffffea0001e98000
R13: 0000000000000006 R14: 1ffff11005ec3630 R15: ffff88802f61b180
FS:  000055555d42c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010404 CR3: 000000007701e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	df 80 3c 08 00 74    	filds  0x7400083c(%rax)
   6:	08 48 89             	or     %cl,-0x77(%rax)
   9:	df e8                	fucomip %st(0),%st
   b:	b0 8a                	mov    $0x8a,%al
   d:	55                   	push   %rbp
   e:	fd                   	std
   f:	48 8b 1b             	mov    (%rbx),%rbx
  12:	48 83 c3 18          	add    $0x18,%rbx
  16:	48 89 d8             	mov    %rbx,%rax
  19:	48 c1 e8 03          	shr    $0x3,%rax
  1d:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  24:	fc ff df
* 27:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2b:	74 08                	je     0x35
  2d:	48 89 df             	mov    %rbx,%rdi
  30:	e8 8a 8a 55 fd       	call   0xfd558abf
  35:	48 8b 03             	mov    (%rbx),%rax
  38:	48 89 44 24 60       	mov    %rax,0x60(%rsp)