Extracting prog: 10m18.126067784s
Minimizing prog: 1h9m20.953388455s
Simplifying prog options: 10m6.340027701s
Extracting C: 2m20.123898931s
Simplifying C: 0s


extracting reproducer from 31 programs
testing a last program of every proc
single: executing 7 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ppoll
detailed listing:
executing program 0:
ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-syz_mount_image$udf-utimes
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
syz_mount_image$udf(&(0x7f0000000c40), &(0x7f00000000c0)='./file1\x00', 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,lastblock=00000000000000000013,undelete,partition=00000000000000000005,\x00'], 0x47, 0xc11, &(0x7f0000000d00)="$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")
utimes(&(0x7f0000000200)='./file0\x00', 0x0)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-syz_mount_image$udf
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
syz_mount_image$udf(&(0x7f0000000c40), &(0x7f00000000c0)='./file1\x00', 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,lastblock=00000000000000000013,undelete,partition=00000000000000000005,\x00'], 0x47, 0xc11, &(0x7f0000000d00)="$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")

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, 0x0, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, 0x0)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
a never seen crash title: INFO: rcu detected stall in syscall_exit_to_user_mode, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in batadv_nc_worker
a never seen crash title: INFO: rcu detected stall in batadv_nc_worker, ignore
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
reproducing took 1h32m5.543405041s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=11257, q=235 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294958060-4294947557), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g11257 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26912 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x10e9/0x40d0 kernel/sched/core.c:6561
 schedule+0xb9/0x180 kernel/sched/core.c:6637
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 4628 Comm: syz.0.101 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:copy_user_short_string+0x35/0x40 arch/x86/lib/copy_user_64.S:250
Code: 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 88 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 01 ca <c3> 8d 14 ca eb 02 89 ca eb a1 90 0f 01 cb 83 fa 08 0f 82 95 00 00
RSP: 0018:ffffc90003a97ab8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f8e87733ed0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffc90003a97bb0 RDI: 00007f8e87733f00
RBP: ffffc90003a97cb0 R08: 0000000000000000 R09: fffff52000752f76
R10: fffff52000752f76 R11: 1ffff92000752f70 R12: dffffc0000000000
R13: ffff88801b717290 R14: ffffc90003a97b80 R15: 00007f8e87733d00
FS:  00007f8e877346c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 00000000182a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:58 [inline]
 __copy_to_user include/linux/uaccess.h:116 [inline]
 save_xstate_epilog arch/x86/kernel/fpu/signal.c:127 [inline]
 copy_fpstate_to_sigframe+0xa9a/0xcb0 arch/x86/kernel/fpu/signal.c:245
 get_sigframe arch/x86/kernel/signal.c:297 [inline]
 __setup_rt_frame arch/x86/kernel/signal.c:472 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:784 [inline]
 handle_signal arch/x86/kernel/signal.c:828 [inline]
 arch_do_signal_or_restart+0x610/0x1230 arch/x86/kernel/signal.c:873
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8e8698e967
Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89
RSP: 002b:00007f8e877340e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f8e86bb5fa8 RCX: 00007f8e8698e969
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8e86bb5fa8
RBP: 00007f8e86bb5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e86bb5fac
R13: 0000000000000000 R14: 00007ffd15e16040 R15: 00007ffd15e16128
 </TASK>

report is corrupted, running repro again
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=10737, q=218 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294980627-4294970124), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g10737 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27720 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x10e9/0x40d0 kernel/sched/core.c:6561
 schedule+0xb9/0x180 kernel/sched/core.c:6637
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4743 Comm: syz.0.142 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:debug_lockdep_rcu_enabled+0x0/0x30 kernel/rcu/update.c:279
Code: 7e ef 03 00 75 e8 48 c7 c7 a0 fe 6b 8a 48 c7 c6 80 22 6c 8a e8 11 b1 3d f7 0f 0b eb d1 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 <31> c0 83 3d 77 4a ef 03 00 74 1d 83 3d 02 7e ef 03 00 74 14 65 48
RSP: 0018:ffffc900001e0c48 EFLAGS: 00000046
RAX: c2aa09f88bf75000 RBX: 0000000000000000 RCX: 0000000000010000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100fac8379
R10: ffffed100fac8379 R11: 1ffff1100fac8378 R12: 0000000000000021
R13: ffff88802dc426d8 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fd959cc56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 000000005904c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_unlock include/linux/rcupdate.h:820 [inline]
 send_sigqueue+0x3f3/0x600 kernel/signal.c:2010
 posix_timer_event kernel/time/posix-timers.c:359 [inline]
 posix_timer_fn+0x16a/0x3d0 kernel/time/posix-timers.c:385
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x522/0xc80 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ce 2e 4a f7 48 89 df e8 26 f4 4a f7 e8 91 f6 6d f7 fb bf 01 00 00 00 <e8> 36 71 3e f7 65 8b 05 d7 32 e9 75 85 c0 74 02 5b c3 e8 24 44 e7
RSP: 0018:ffffc90003f67bb8 EFLAGS: 00000286
RAX: c2aa09f88bf75000 RBX: ffff88807d641bc0 RCX: c2aa09f88bf75000
RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001
RBP: ffff88807d642058 R08: dffffc0000000000 R09: ffffed100fac8379
R10: ffffed100fac8379 R11: 1ffff1100fac8378 R12: 1ffff1100fac840b
R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x1163/0x1350 kernel/signal.c:2874
 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd958d8e967
Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89
RSP: 002b:00007fd959cc50e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007fd958fb5fa8 RCX: 00007fd958d8e969
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd958fb5fa8
RBP: 00007fd958fb5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd958fb5fac
R13: 0000000000000000 R14: 00007ffc3cd46100 R15: 00007ffc3cd461e8
 </TASK>