Extracting prog: 2m32.628273868s
Minimizing prog: 1h46m38.966607017s
Simplifying prog options: 0s
Extracting C: 2m16.762526652s
Simplifying C: 43m26.280270305s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir-fanotify_init-fanotify_mark-openat$fuse-io_setup-io_submit
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
r5 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)
r6 = fanotify_init(0x40, 0x0)
fanotify_mark(r6, 0x125, 0x48000003, r5, 0x0)
r7 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)
io_setup(0x6, &(0x7f0000002140)=<r8=>0x0)
io_submit(r8, 0x1, &(0x7f0000000180)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x3, r7, 0x0, 0x0, 0x2c1}])

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
single: successfully extracted reproducer
found reproducer with 24 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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir-fanotify_init-fanotify_mark-openat$fuse-io_setup
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
r5 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)
r6 = fanotify_init(0x40, 0x0)
fanotify_mark(r6, 0x125, 0x48000003, r5, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)
io_setup(0x6, &(0x7f0000002140))

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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir-fanotify_init-fanotify_mark-openat$fuse
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
r5 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)
r6 = fanotify_init(0x40, 0x0)
fanotify_mark(r6, 0x125, 0x48000003, r5, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0)

program crashed: WARNING in rcu_check_gp_start_stall
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir-fanotify_init-fanotify_mark
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
r5 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)
r6 = fanotify_init(0x40, 0x0)
fanotify_mark(r6, 0x125, 0x48000003, r5, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir-fanotify_init
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)
fanotify_init(0x40, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup-openat$dir
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock-io_setup
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})
io_setup(0x58, &(0x7f0000000e40))

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock-fcntl$lock
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))
fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3})

program crashed: INFO: rcu detected stall in rtnl_newlink
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock-fcntl$lock
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})
fcntl$lock(r4, 0x26, &(0x7f0000000080))

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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix-fcntl$lock
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
fcntl$lock(r4, 0x6, &(0x7f0000002000)={0x1})

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice-socketpair$unix
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0))

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe-splice
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r3, 0x0, 0x8000f28, 0x0)

program crashed: INFO: rcu detected stall in batadv_nc_worker
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix-pipe
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0))
pipe(&(0x7f0000000200))

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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime-socketpair$unix
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0))

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
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
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_create
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x4)
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
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-getpid-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
getpid()
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in sys_newfstatat
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
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
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-syz_open_dev$sndpcmp-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x0, 0x42000)
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-mount$tmpfs-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r0=>0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
mount$tmpfs(0x0, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x10c8850, &(0x7f0000000540)=ANY=[@ANYBLOB="a6195f3eba5931b56433521e015151712ce1dfc096033683f9f45af7bb1676658359be09df7810d85fae0315ff399236e09b4eecd4a63b181a66d94e0c68c2c7f259a5b1d5c0d1a6bb9480747eb24c3926903cc33aee0864edb4b3d6d6e1ddf07a1b3290c2689fee5f7767f2203711c7500ba62076f377694643dfc7c4", @ANYRESHEX=r0, @ANYBLOB=',huge=within_size,grpquota_inode_hardlimit=kg m,sync,sync,\x00'])
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
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}}): getsockopt$inet6_IPV6_XFRM_POLICY-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in=@loopback}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f0000000400)=0xe8)
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
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-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
simplifying C reproducer
testing compiled C 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
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false 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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false 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 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
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 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
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in getpid
a never seen crash title: INFO: rcu detected stall in getpid, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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 did not crash
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false 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
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false 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 did not crash
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false 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 wb_workfn
a never seen crash title: INFO: rcu detected stall in wb_workfn, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:false 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 corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:false Swap:false 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
reproducing took 2h34m54.637714382s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=5425, q=67)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955122-4294944619), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g5425 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:27352 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5029 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6375
 schedule+0x11b/0x1f0 kernel/sched/core.c:6458
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 4191 Comm: syz-executor322 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:390
Code: 8a e8 38 67 f2 08 65 66 8b 05 d0 eb b5 7e 66 85 c0 75 57 bf 01 00 00 00 e8 51 f2 09 00 e8 3c 6e 39 00 fb 65 8b 05 bc c2 b4 7e <85> c0 75 05 e8 8b df b2 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90002fdf920 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff920005fbf28 RCX: ffffffff96a95f03
RDX: dffffc0000000000 RSI: ffffffff8aab2a60 RDI: ffffffff8af9fa80
RBP: ffffc90002fdf9d0 R08: ffffffff81871b70 R09: ffffed100fb07771
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920005fbf2c R14: ffffc90002fdf960 R15: 0000000000000200
 fpregs_unlock arch/x86/include/asm/fpu/api.h:78 [inline]
 copy_fpstate_to_sigframe+0x46b/0xb40 arch/x86/kernel/fpu/signal.c:205
 get_sigframe+0x378/0x4b0 arch/x86/kernel/signal.c:295
 __setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0x4ac/0x1890 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe0d4683649
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf94026b8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fe0d4683649
RDX: 000040000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fe0d46d3049 R09: 00007fe0d46d3049
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0d46d3049
R13: 00007ffcf9402700 R14: 00007ffcf9402740 R15: 0000000000000000
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=5425, q=67)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955122-4294944619), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g5425 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:27352 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5029 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6375
 schedule+0x11b/0x1f0 kernel/sched/core.c:6458
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 4191 Comm: syz-executor322 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:390
Code: 8a e8 38 67 f2 08 65 66 8b 05 d0 eb b5 7e 66 85 c0 75 57 bf 01 00 00 00 e8 51 f2 09 00 e8 3c 6e 39 00 fb 65 8b 05 bc c2 b4 7e <85> c0 75 05 e8 8b df b2 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90002fdf920 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff920005fbf28 RCX: ffffffff96a95f03
RDX: dffffc0000000000 RSI: ffffffff8aab2a60 RDI: ffffffff8af9fa80
RBP: ffffc90002fdf9d0 R08: ffffffff81871b70 R09: ffffed100fb07771
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920005fbf2c R14: ffffc90002fdf960 R15: 0000000000000200
 fpregs_unlock arch/x86/include/asm/fpu/api.h:78 [inline]
 copy_fpstate_to_sigframe+0x46b/0xb40 arch/x86/kernel/fpu/signal.c:205
 get_sigframe+0x378/0x4b0 arch/x86/kernel/signal.c:295
 __setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0x4ac/0x1890 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe0d4683649
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf94026b8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fe0d4683649
RDX: 000040000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fe0d46d3049 R09: 00007fe0d46d3049
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0d46d3049
R13: 00007ffcf9402700 R14: 00007ffcf9402740 R15: 0000000000000000
 </TASK>