Extracting prog: 1m1.919690743s
Minimizing prog: 10m3.551742426s
Simplifying prog options: 0s
Extracting C: 1m6.474231965s
Simplifying C: 9m22.66302749s


extracting reproducer from 30 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}}): unshare-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-mprotect-memfd_create-sendfile
detailed listing:
executing program 0:
unshare(0x26020400)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000fbff"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
r0 = memfd_create(&(0x7f0000000680)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\xa4\xf4\xe0\xe8\xed\xf4\x1eM\xd8\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc90\xb9voI\xa5/\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\x81\x00V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J\x80\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93\x9c5\xcf\t\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW<GE\xf1\xe9\xf1q\x8c\xf0\xae\x98\x8c\xe0\xc1g}\xaeW\xaa\xa1\x90\x8c\n$\xa6\xbb\x10\xaf\xc7~\x11\x03<v\xe9\xc7K\xf6]\x11)u\xd3\x15\x01}\xe25$\xb0\x86v\x80\r\x9c\xb8\xe6\xd3(\xa0G2s\xa9&\xb3QU~u\x13\x05kKp\xa6&\x8eu\x1d\xb2\xa9!\xc9\xfa\xd0dG5\xcbf<}r\xab\x9c\xd9f6iN\xaa>\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\x94\x13^\x13\xaf\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n<V\xaa\xbfZ1\xa82\x85\x99\x0e\xba\xb9H\xe8\x96\x94\xd7\xdc\x81\x111\t\xafl\x97\xd8T\xd40\x90ON\xaaFY\xb4\xb3\xf4\xf8JT\xc5:\xc5\aGc\xb5\x12\x90\x7f\x00\x91\xce@\xe5\xd3A\xcc\xd5\x81I\xf0\xbcG\xdf\xac\xcd\x81\x03S\xc0\xea\xdd|\x9f\x8e5\x042\x9a\xc1\xa1\a\xb7\xf5\xbc,\xd1\xd3k8\xc5\x00\x00', 0x1)
sendfile(0xffffffffffffffff, r0, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_mount
single: successfully extracted reproducer
found reproducer with 5 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}}): unshare-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-mprotect-memfd_create
detailed listing:
executing program 0:
unshare(0x26020400)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000fbff"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
memfd_create(&(0x7f0000000680)='C\x13\xfc2\x95WD\xaa\xba^\x90\xfd\x8d\xc2\xb1[\x81\xda\xda\xd6\x8c\xc99\xec\x0e*||\xe4\xb3\xc4\xb6\v\xaa\x15\x86,\xac\x8d\x89cu\x10\xdc\x93\x9b\xb4\x93\xafE*:\xe4\xdd\xa5\xa75\xb8\x1e;7\xb7.V\xdcrw[\r\x98\xa4\xf4\xe0\xe8\xed\xf4\x1eM\xd8\x93j\x9c\xf6\xf8\x99\xefF_\xcd\xdf!b\xc5\xec\ntb\xff\b\xaaF?!\x9f\a\x1a\x03\f\xe94\x1deU\x06zS\xc90\xb9voI\xa5/\xb4\xa7@\xa1\\B\xc2@\r_b\x9a\xeb\b\x81\x00V\xd6/N\xc5\xc6f\xb1\x95Z\xe5w^\xd8\xe7J\x80\xf7\xae\xafuv\x84\x9eG\xd1\xe7\x9b\xf0_9\xc2\x9b\xfd\xc3\xf3\xe4\x95P\xf1m\xcf\xc2\xe1\xe6\xa6\x8c\x11\xfb\xb8S\x8b\x92\\\asW-Ee\x02\x00\x00\x00\xd0;Q\xc1~\x89\xec\xc8\x9b\x88\a\xf2\x93\x82(\x8b\x00\xd8\xb4T\x80\x95\x93\x9c5\xcf\t\x04\x00\x00\x00\x00\x00\x00v\xef\xee+\xab\x9c\x00^R\xb2n?i=\xbe\x16\x8a\xbf\xe3\xcdB\xed\xe14\xe8\xd0\xb7\xff\xfeQ\x1c\x85n8\x1b\xc1\b\x00\x00\x00\x00\x00\x00\x00\x17\x94\xdfW<GE\xf1\xe9\xf1q\x8c\xf0\xae\x98\x8c\xe0\xc1g}\xaeW\xaa\xa1\x90\x8c\n$\xa6\xbb\x10\xaf\xc7~\x11\x03<v\xe9\xc7K\xf6]\x11)u\xd3\x15\x01}\xe25$\xb0\x86v\x80\r\x9c\xb8\xe6\xd3(\xa0G2s\xa9&\xb3QU~u\x13\x05kKp\xa6&\x8eu\x1d\xb2\xa9!\xc9\xfa\xd0dG5\xcbf<}r\xab\x9c\xd9f6iN\xaa>\x92z\xbe\xb2R)\xf1K\xd7\xaf\x99\xf6d\xe8\xec\xb7\xbd+T3\xa6\xa9\xfaY-1qs\x82\xefn*\x96\xc9\x1e\xf4\xd1\x02Dt\xc0\x19\xf7\x89\x96.D [F\xeeYW\x95\x13\xc7;\x94\x13^\x13\xaf\xf0C\x9c\xabf\x1daCS2\x02\xb0\xef\xc7\x8c\x9e\xed\a\n<V\xaa\xbfZ1\xa82\x85\x99\x0e\xba\xb9H\xe8\x96\x94\xd7\xdc\x81\x111\t\xafl\x97\xd8T\xd40\x90ON\xaaFY\xb4\xb3\xf4\xf8JT\xc5:\xc5\aGc\xb5\x12\x90\x7f\x00\x91\xce@\xe5\xd3A\xcc\xd5\x81I\xf0\xbcG\xdf\xac\xcd\x81\x03S\xc0\xea\xdd|\x9f\x8e5\x042\x9a\xc1\xa1\a\xb7\xf5\xbc,\xd1\xd3k8\xc5\x00\x00', 0x1)

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}}): unshare-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-mprotect-sendfile
detailed listing:
executing program 0:
unshare(0x26020400)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000fbff"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_sendfile64
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}}): unshare-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-sendfile
detailed listing:
executing program 0:
unshare(0x26020400)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000fbff"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

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}}): unshare-mprotect-sendfile
detailed listing:
executing program 0:
unshare(0x26020400)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_mount
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}}): mprotect-sendfile
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xdb37)

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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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}}): mprotect-sendfile
program did not crash
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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-sendfile
program crashed: Internal error in sys_sendfile64
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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-sendfile
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_sendfile64
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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-sendfile
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-sendfile
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000)=0xa6d, 0xdb37)

program crashed: Internal error in sys_sendfile64
validation run: crashed=true
reproducing took 26m45.873642174s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4240 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 : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
pc : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
pc : __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:239 [inline]
lr : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
lr : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
lr : __arm64_sys_sendfile64+0x2d8/0x3b0 fs/read_write.c:1303
sp : ffff80001fa57ca0
x29: ffff80001fa57d20 x28: 0000000020000000 x27: 1ffff00003f4af98
x26: dfff800000000000 x25: 0000000000000000 x24: ffff80001fa57cc0
x23: 000000000000db37 x22: ffff0000d7699b40 x21: 0000000000000001
x20: fffffffffffffff7 x19: 00000000fffffff2 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000088dc3f0 x15: 0000000020000000
x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000020000000
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 __do_sys_sendfile64 fs/read_write.c:1312 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
 __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: 2a1f03f3 2a1f03e0 f94023e8 f8000928 (2a1303e1) 
---[ end trace 13555ec55cf0d56c ]---
----------------
Code disassembly (best guess):
   0:	2a1f03f3 	mov	w19, wzr
   4:	2a1f03e0 	mov	w0, wzr
   8:	f94023e8 	ldr	x8, [sp, #64]
   c:	f8000928 	sttr	x8, [x9]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4240 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 : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
pc : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
pc : __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:239 [inline]
lr : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
lr : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
lr : __arm64_sys_sendfile64+0x2d8/0x3b0 fs/read_write.c:1303
sp : ffff80001fa57ca0
x29: ffff80001fa57d20 x28: 0000000020000000 x27: 1ffff00003f4af98
x26: dfff800000000000 x25: 0000000000000000 x24: ffff80001fa57cc0
x23: 000000000000db37 x22: ffff0000d7699b40 x21: 0000000000000001
x20: fffffffffffffff7 x19: 00000000fffffff2 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000088dc3f0 x15: 0000000020000000
x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000020000000
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 __do_sys_sendfile64 fs/read_write.c:1312 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
 __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: 2a1f03f3 2a1f03e0 f94023e8 f8000928 (2a1303e1) 
---[ end trace 13555ec55cf0d56c ]---
----------------
Code disassembly (best guess):
   0:	2a1f03f3 	mov	w19, wzr
   4:	2a1f03e0 	mov	w0, wzr
   8:	f94023e8 	ldr	x8, [sp, #64]
   c:	f8000928 	sttr	x8, [x9]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction