Extracting prog: 1m10.824471074s
Minimizing prog: 15m45.525416788s
Simplifying prog options: 0s
Extracting C: 1m34.120215582s
Simplifying C: 10m22.338994943s


extracting reproducer from 10 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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-fcntl$setpipe-write$FUSE_INIT-vmsplice-fcntl$setpipe-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r2, 0x407, 0x5)
write$FUSE_INIT(r2, &(0x7f0000000340)={0x50, 0x3d6bf7b3fa2b4728, 0x0, {0x7, 0x29, 0x5, 0x8021008, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}}, 0x50)
vmsplice(r2, &(0x7f0000000140)=[{&(0x7f0000000100)="eb", 0x20000101}], 0x1, 0x0)
fcntl$setpipe(r2, 0x407, 0x2000000)
ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, 0x0)

program crashed: Internal error in sys_mount
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-fcntl$setpipe-write$FUSE_INIT-vmsplice-fcntl$setpipe
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r1, 0x407, 0x5)
write$FUSE_INIT(r1, &(0x7f0000000340)={0x50, 0x3d6bf7b3fa2b4728, 0x0, {0x7, 0x29, 0x5, 0x8021008, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}}, 0x50)
vmsplice(r1, &(0x7f0000000140)=[{&(0x7f0000000100)="eb", 0x20000101}], 0x1, 0x0)
fcntl$setpipe(r1, 0x407, 0x2000000)

program did not crash
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-fcntl$setpipe-write$FUSE_INIT-vmsplice-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r2, 0x407, 0x5)
write$FUSE_INIT(r2, &(0x7f0000000340)={0x50, 0x3d6bf7b3fa2b4728, 0x0, {0x7, 0x29, 0x5, 0x8021008, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}}, 0x50)
vmsplice(r2, &(0x7f0000000140)=[{&(0x7f0000000100)="eb", 0x20000101}], 0x1, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-fcntl$setpipe-write$FUSE_INIT-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r2, 0x407, 0x5)
write$FUSE_INIT(r2, &(0x7f0000000340)={0x50, 0x3d6bf7b3fa2b4728, 0x0, {0x7, 0x29, 0x5, 0x8021008, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}}, 0x50)
ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-fcntl$setpipe-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r2, 0x407, 0x5)
ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
pipe2(&(0x7f00000000c0)={<r1=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
ioctl$sock_inet_udp_SIOCINQ(0xffffffffffffffff, 0x541b, 0x0)

program did not crash
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}}): socket-ioctl$sock_SIOCGIFINDEX-pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): socket-pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
socket(0x400000000010, 0x3, 0x0)
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
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}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
pipe2(0x0, 0x0)
ioctl$sock_inet_udp_SIOCINQ(0xffffffffffffffff, 0x541b, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
program crashed: Internal error in pipe_ioctl
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-ioctl$sock_inet_udp_SIOCINQ
detailed listing:
executing program 0:
pipe2(&(0x7f00000000c0)={<r0=>0xffffffffffffffff}, 0x0)
ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0)

program crashed: Internal error in pipe_ioctl
validation run: crashed=true
reproducing took 33m36.443798173s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4246 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : pipe_ioctl+0x3ac/0x448 fs/pipe.c:630
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : pipe_ioctl+0x390/0x448 fs/pipe.c:630
sp : ffff80001fe87980
x29: ffff80001fe879a0 x28: dfff800000000000 x27: ffff700003fd0f48
x26: 0000000000000000 x25: dfff800000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000010 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000088fdd5c x15: 0000000000005761
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000000000000
x8 : 00000000fffffff2 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 pipe_ioctl+0x3ac/0x448 fs/pipe.c:630
 vfs_ioctl fs/ioctl.c:51 [inline]
 do_vfs_ioctl+0xbe0/0x2370 fs/ioctl.c:834
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 9a9f030b d503229f 2a1f03e8 b800097a (93407d00) 
---[ end trace 7f64cb05ede1c9bf ]---
----------------
Code disassembly (best guess):
   0:	9a9f030b 	csel	x11, x24, xzr, eq	// eq = none
   4:	d503229f 	csdb
   8:	2a1f03e8 	mov	w8, wzr
   c:	b800097a 	sttr	w26, [x11]
* 10:	93407d00 	sxtw	x0, w8 <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4246 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : pipe_ioctl+0x3ac/0x448 fs/pipe.c:630
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : pipe_ioctl+0x390/0x448 fs/pipe.c:630
sp : ffff80001fe87980
x29: ffff80001fe879a0 x28: dfff800000000000 x27: ffff700003fd0f48
x26: 0000000000000000 x25: dfff800000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000010 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000088fdd5c x15: 0000000000005761
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000000000000
x8 : 00000000fffffff2 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 pipe_ioctl+0x3ac/0x448 fs/pipe.c:630
 vfs_ioctl fs/ioctl.c:51 [inline]
 do_vfs_ioctl+0xbe0/0x2370 fs/ioctl.c:834
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 9a9f030b d503229f 2a1f03e8 b800097a (93407d00) 
---[ end trace 7f64cb05ede1c9bf ]---
----------------
Code disassembly (best guess):
   0:	9a9f030b 	csel	x11, x24, xzr, eq	// eq = none
   4:	d503229f 	csdb
   8:	2a1f03e8 	mov	w8, wzr
   c:	b800097a 	sttr	w26, [x11]
* 10:	93407d00 	sxtw	x0, w8 <-- trapping instruction