Extracting prog: 1m52.365810343s
Minimizing prog: 19m32.273478675s
Simplifying prog options: 0s
Extracting C: 29.60427854s
Simplifying C: 16m48.587982254s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
program crashed: KASAN: slab-use-after-free Read in ep_open
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000080))
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
syz_io_uring_submit(0x0, 0x0, 0x0, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(0xffffffffffffffff, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
r0 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r0, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r0 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r0, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200), 0x0)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, 0x0, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, 0x0, &(0x7f0000000140)=<r2=>0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(0x0, r2, r3, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, 0x0, &(0x7f0000000080)=<r3=>0x0)
syz_io_uring_submit(r2, 0x0, r3, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, 0x0)
syz_io_uring_submit(r2, r3, 0x0, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
testing program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, 0x0)
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program crashed: KASAN: slab-use-after-free Read in ep_open
simplifying C reproducer
testing compiled C program (duration=39.386167962s, {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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true 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}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program crashed: KASAN: slab-use-after-free Read in corrupted
a never seen crash title: KASAN: slab-use-after-free Read in corrupted, ignore
testing compiled C program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
program did not crash
testing program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=39.386167962s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_io_uring_setup-syz_io_uring_submit-io_uring_enter
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./gadget\x00', &(0x7f0000000180)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)="000000000902190001010080320904000001ff000000070581024000000902190001010080320904000001ff00000007058102000200120100020000004034127856000100000001", 0x48)
r1 = syz_io_uring_setup(0xf00, &(0x7f0000000400)={0x0, 0x0, 0x10000, 0x0, 0x40055}, &(0x7f0000000100)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0, &(0x7f0000000080)=<r4=>0x0)
syz_io_uring_submit(r2, r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0, 0x0, {0x2011}})
io_uring_enter(r1, 0x1000001, 0xfffffffd, 0x4b, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
reproducing took 41m17.940288714s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x130/0xf14 kernel/locking/mutex.c:821
Read of size 8 at addr ffff0000ca6d6458 by task syz-executor/5650

CPU: 1 UID: 0 PID: 5650 Comm: syz-executor Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xb0/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0x8c/0xc4 mm/kasan/report.c:595
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x130/0xf14 kernel/locking/mutex.c:821
 mutex_lock_interruptible_nested+0x24/0x30 kernel/locking/mutex.c:899
 ep_open+0x58/0x25c drivers/usb/gadget/legacy/inode.c:823
 do_dentry_open+0x5c4/0xfc0 fs/open.c:947
 vfs_open+0x44/0x2dc fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x21fc/0x2a60 fs/namei.c:4863
 do_file_open+0x1c8/0x2e8 fs/namei.c:4892
 do_sys_openat2+0x114/0x1e8 fs/open.c:1368
 do_sys_open+0xb0/0xe0 fs/open.c:1374
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __arm64_sys_openat+0xa8/0xc4 fs/open.c:1385
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590

Allocated by task 6072:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:78
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:570
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e8/0x5ec mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1601 [inline]
 gadgetfs_bind+0x204/0x75c drivers/usb/gadget/legacy/inode.c:1692
 gadget_bind_driver+0x274/0x834 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __driver_attach+0x168/0x384 drivers/base/dd.c:1292
 bus_for_each_dev+0x128/0x1b4 drivers/base/bus.c:383
 driver_attach+0x50/0x60 drivers/base/dd.c:1310
 bus_add_driver+0x208/0x500 drivers/base/bus.c:763
 driver_register+0x220/0x310 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0xf0/0x25c drivers/usb/gadget/udc/core.c:1752
 dev_config+0x91c/0xcc0 drivers/usb/gadget/legacy/inode.c:1883
 vfs_write+0x2a4/0xa0c fs/read_write.c:685
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590

Freed by task 4385:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:78
 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x74/0xa4 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x188/0x690 mm/slub.c:6692
 put_ep+0xd0/0x144 drivers/usb/gadget/legacy/inode.c:225
 destroy_ep_files+0x244/0x2dc drivers/usb/gadget/legacy/inode.c:1582
 gadgetfs_unbind+0x114/0x1f0 drivers/usb/gadget/legacy/inode.c:1655
 gadget_unbind_driver+0x188/0x790 drivers/usb/gadget/udc/core.c:1724
 device_remove+0xc4/0x134 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x124/0x20c drivers/base/dd.c:1372
 driver_detach+0x124/0x1b4 drivers/base/dd.c:1435
 bus_remove_driver+0x124/0x22c drivers/base/bus.c:832
 driver_unregister+0x78/0xac drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x50/0x78 drivers/usb/gadget/udc/core.c:1784
 dev_release+0x8c/0x15c drivers/usb/gadget/legacy/inode.c:1198
 __fput+0x338/0x74c fs/file_table.c:512
 delayed_fput+0x78/0xac fs/file_table.c:535
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838

The buggy address belongs to the object at ffff0000ca6d6400
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff0000ca6d6400, ffff0000ca6d6600)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a6d4
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c0001c80 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 05ffc00000000040 ffff0000c0001c80 dead000000000100 dead000000000122
head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 05ffc00000000002 fffffdffc329b501 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000ca6d6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000ca6d6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000ca6d6400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff0000ca6d6480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000ca6d6500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x130/0xf14 kernel/locking/mutex.c:821
Read of size 8 at addr ffff0000ca6d6458 by task syz-executor/5650

CPU: 1 UID: 0 PID: 5650 Comm: syz-executor Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xb0/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0x8c/0xc4 mm/kasan/report.c:595
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x130/0xf14 kernel/locking/mutex.c:821
 mutex_lock_interruptible_nested+0x24/0x30 kernel/locking/mutex.c:899
 ep_open+0x58/0x25c drivers/usb/gadget/legacy/inode.c:823
 do_dentry_open+0x5c4/0xfc0 fs/open.c:947
 vfs_open+0x44/0x2dc fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x21fc/0x2a60 fs/namei.c:4863
 do_file_open+0x1c8/0x2e8 fs/namei.c:4892
 do_sys_openat2+0x114/0x1e8 fs/open.c:1368
 do_sys_open+0xb0/0xe0 fs/open.c:1374
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __arm64_sys_openat+0xa8/0xc4 fs/open.c:1385
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590

Allocated by task 6072:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:78
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:570
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e8/0x5ec mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1601 [inline]
 gadgetfs_bind+0x204/0x75c drivers/usb/gadget/legacy/inode.c:1692
 gadget_bind_driver+0x274/0x834 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __driver_attach+0x168/0x384 drivers/base/dd.c:1292
 bus_for_each_dev+0x128/0x1b4 drivers/base/bus.c:383
 driver_attach+0x50/0x60 drivers/base/dd.c:1310
 bus_add_driver+0x208/0x500 drivers/base/bus.c:763
 driver_register+0x220/0x310 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0xf0/0x25c drivers/usb/gadget/udc/core.c:1752
 dev_config+0x91c/0xcc0 drivers/usb/gadget/legacy/inode.c:1883
 vfs_write+0x2a4/0xa0c fs/read_write.c:685
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590

Freed by task 4385:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:78
 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x74/0xa4 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x188/0x690 mm/slub.c:6692
 put_ep+0xd0/0x144 drivers/usb/gadget/legacy/inode.c:225
 destroy_ep_files+0x244/0x2dc drivers/usb/gadget/legacy/inode.c:1582
 gadgetfs_unbind+0x114/0x1f0 drivers/usb/gadget/legacy/inode.c:1655
 gadget_unbind_driver+0x188/0x790 drivers/usb/gadget/udc/core.c:1724
 device_remove+0xc4/0x134 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x124/0x20c drivers/base/dd.c:1372
 driver_detach+0x124/0x1b4 drivers/base/dd.c:1435
 bus_remove_driver+0x124/0x22c drivers/base/bus.c:832
 driver_unregister+0x78/0xac drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x50/0x78 drivers/usb/gadget/udc/core.c:1784
 dev_release+0x8c/0x15c drivers/usb/gadget/legacy/inode.c:1198
 __fput+0x338/0x74c fs/file_table.c:512
 delayed_fput+0x78/0xac fs/file_table.c:535
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838

The buggy address belongs to the object at ffff0000ca6d6400
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff0000ca6d6400, ffff0000ca6d6600)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a6d4
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c0001c80 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 05ffc00000000040 ffff0000c0001c80 dead000000000100 dead000000000122
head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 05ffc00000000002 fffffdffc329b501 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000ca6d6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000ca6d6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000ca6d6400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff0000ca6d6480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000ca6d6500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================