Extracting prog: 1m48.634742358s
Minimizing prog: 6m19.738134416s
Simplifying prog options: 0s
Extracting C: 58.302285259s
Simplifying C: 9m48.146478529s


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}}): prctl$PR_SET_TAGGED_ADDR_CTRL-pipe2-fcntl$setpipe
detailed listing:
executing program 0:
prctl$PR_SET_TAGGED_ADDR_CTRL(0x37, 0x1)
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r0, 0x11, 0x0)

program crashed: Internal error in do_fcntl
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=40.040818291s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_TAGGED_ADDR_CTRL-pipe2
detailed listing:
executing program 0:
prctl$PR_SET_TAGGED_ADDR_CTRL(0x37, 0x1)
pipe2(&(0x7f0000000180), 0x0)

program did not crash
testing program (duration=40.040818291s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SET_TAGGED_ADDR_CTRL-fcntl$setpipe
detailed listing:
executing program 0:
prctl$PR_SET_TAGGED_ADDR_CTRL(0x37, 0x1)
fcntl$setpipe(0xffffffffffffffff, 0x11, 0x0)

program did not crash
testing program (duration=40.040818291s, {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-fcntl$setpipe
detailed listing:
executing program 0:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r0, 0x11, 0x0)

program crashed: Internal error in sys_mount
testing program (duration=40.040818291s, {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-fcntl$setpipe
detailed listing:
executing program 0:
pipe2(0x0, 0x0)
fcntl$setpipe(0xffffffffffffffff, 0x11, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=40.040818291s, {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-fcntl$setpipe
program crashed: Internal error in do_fcntl
simplifying C reproducer
testing compiled C program (duration=40.040818291s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {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-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {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-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {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-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing compiled C program (duration=40.040818291s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2-fcntl$setpipe
program crashed: Internal error in do_fcntl
testing program (duration=40.040818291s, {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-fcntl$setpipe
detailed listing:
executing program 0:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r0, 0x11, 0x0)

program crashed: Internal error in do_fcntl
validation run: crashed=true
testing program (duration=40.040818291s, {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-fcntl$setpipe
detailed listing:
executing program 0:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r0, 0x11, 0x0)

program crashed: Internal error in do_fcntl
validation run: crashed=true
testing program (duration=40.040818291s, {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-fcntl$setpipe
detailed listing:
executing program 0:
pipe2(&(0x7f0000000180)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
fcntl$setpipe(r0, 0x11, 0x0)

program crashed: Internal error in do_fcntl
validation run: crashed=true
reproducing took 24m41.301314942s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4249 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 : f_getowner_uids fs/fcntl.c:-1 [inline]
pc : do_fcntl+0xd24/0x1a00 fs/fcntl.c:396
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : f_getowner_uids fs/fcntl.c:252 [inline]
lr : do_fcntl+0xd04/0x1a00 fs/fcntl.c:396
sp : ffff8000201e7be0
x29: ffff8000201e7ce0 x28: ffff0000d52a1b40 x27: 1fffe0001aa5436c
x26: dfff800000000000 x25: ffff70000403cf80 x24: 00000000fffffff2
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d52a1b40
x20: ffff0000d52a1b64 x19: 0000000000000000 x18: 0000000000000000
x17: ffff800016d04000 x16: ffff80000891d580 x15: ffff8000167e4500
x14: ffff0000d52a2540 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 f_getowner_uids fs/fcntl.c:252 [inline]
 do_fcntl+0xd24/0x1a00 fs/fcntl.c:396
 __do_sys_fcntl fs/fcntl.c:466 [inline]
 __se_sys_fcntl fs/fcntl.c:451 [inline]
 __arm64_sys_fcntl+0x110/0x1e8 fs/fcntl.c:451
 __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: ea29011f 9a9f026a d503229f b8000957 (14000003) 
---[ end trace e4e35e9ef97270fe ]---
----------------
Code disassembly (best guess):
   0:	ea29011f 	bics	xzr, x8, x9
   4:	9a9f026a 	csel	x10, x19, xzr, eq	// eq = none
   8:	d503229f 	csdb
   c:	b8000957 	sttr	w23, [x10]
* 10:	14000003 	b	0x1c <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4249 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 : f_getowner_uids fs/fcntl.c:-1 [inline]
pc : do_fcntl+0xd24/0x1a00 fs/fcntl.c:396
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : f_getowner_uids fs/fcntl.c:252 [inline]
lr : do_fcntl+0xd04/0x1a00 fs/fcntl.c:396
sp : ffff8000201e7be0
x29: ffff8000201e7ce0 x28: ffff0000d52a1b40 x27: 1fffe0001aa5436c
x26: dfff800000000000 x25: ffff70000403cf80 x24: 00000000fffffff2
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d52a1b40
x20: ffff0000d52a1b64 x19: 0000000000000000 x18: 0000000000000000
x17: ffff800016d04000 x16: ffff80000891d580 x15: ffff8000167e4500
x14: ffff0000d52a2540 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 f_getowner_uids fs/fcntl.c:252 [inline]
 do_fcntl+0xd24/0x1a00 fs/fcntl.c:396
 __do_sys_fcntl fs/fcntl.c:466 [inline]
 __se_sys_fcntl fs/fcntl.c:451 [inline]
 __arm64_sys_fcntl+0x110/0x1e8 fs/fcntl.c:451
 __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: ea29011f 9a9f026a d503229f b8000957 (14000003) 
---[ end trace e4e35e9ef97270fe ]---
----------------
Code disassembly (best guess):
   0:	ea29011f 	bics	xzr, x8, x9
   4:	9a9f026a 	csel	x10, x19, xzr, eq	// eq = none
   8:	d503229f 	csdb
   c:	b8000957 	sttr	w23, [x10]
* 10:	14000003 	b	0x1c <-- trapping instruction