Extracting prog: 22m18.711335509s
Minimizing prog: 1h18m56.958239439s
Simplifying prog options: 0s
Extracting C: 1m43.325249259s
Simplifying C: 11m43.002244399s


extracting reproducer from 38 programs
testing a last program of every proc
single: executing 8 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write
detailed listing:
executing program 0:
write(0xffffffffffffffff, &(0x7f0000000240)='1\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
write(r4, &(0x7f0000000780)='1\n\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/devices/system/machinecheck/machinecheck0/bank1\x00', 0x2, 0x0)
write(r2, &(0x7f0000000580)='1\n\x00', 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_tcp-setsockopt$inet_tcp_TCP_CONGESTION-connect$inet-openat-write-mount-openat-write-unshare-socket$inet_tcp-setsockopt$inet_tcp_int-bind$inet-connect$inet-setsockopt$inet_tcp_TCP_CONGESTION-setsockopt$inet_tcp_TCP_REPAIR_OPTIONS-setsockopt$inet_tcp_TCP_REPAIR-sendto$inet-recvfrom$inet-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, 0x0, 0x0)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0)
write(r2, &(0x7f0000000140)='1', 0x1)
unshare(0x44040200)
r3 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4)
bind$inet(r3, &(0x7f0000000080)={0x2, 0x4e21, @multicast1}, 0x10)
connect$inet(r3, &(0x7f0000000180)={0x2, 0x4e21, @loopback}, 0x10)
setsockopt$inet_tcp_TCP_CONGESTION(r3, 0x6, 0xd, &(0x7f0000000040)='bic', 0xff3d)
setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000000)=[@mss, @sack_perm, @window={0x3, 0x7}, @mss={0x2, 0xfff}, @window={0x3, 0x0, 0x401}, @window], 0x20000000000000e4)
setsockopt$inet_tcp_TCP_REPAIR(r3, 0x6, 0x13, &(0x7f00000001c0), 0x4)
sendto$inet(r3, &(0x7f0000000000), 0xffffffffffffff94, 0xb, 0x0, 0x0)
recvfrom$inet(r3, &(0x7f0000000080)=""/8, 0xfffffffffffffd0b, 0xc9100120, 0x0, 0xfffffffffffffd25)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[], 0x38}, 0x1, 0x0, 0x0, 0x14f7325d9d03b00}, 0x4000)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-read-close-mkdirat-mount-mkdirat-openat-write
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x42, 0x1ff)
write(r0, &(0x7f0000000180)="01010101", 0x4)
read(r0, &(0x7f00000001c0)=""/4, 0x4)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./myconfig\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='none\x00', &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='44100,48000,88200,96000,176400,192000,352800,384000,705600,768000', 0x41)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-read-close-mkdirat-mount-mkdirat-openat-write
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x42, 0x1ff)
write(r0, &(0x7f0000000180)="01010101", 0x4)
read(r0, &(0x7f00000001c0)=""/4, 0x4)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./myconfig\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='none\x00', &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='44100,48000,88200,96000,176400,192000,352800,384000,705600,768000', 0x41)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mount-openat-write-close-syz_open_procfs-openat-write-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./nfsd_dir\x00', 0x1ff)
mkdir(&(0x7f0000000100)='./mnt_nfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./nfsd_dir\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd_dir/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='tcp 2049\n', 0x9)
close(r0)
r1 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00')
r2 = openat(r1, &(0x7f0000000900)='auth.unix.ip/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000a00)='nfsd 127.0.0.1 2000000000 localhost\n', 0x24)
close(r2)
r3 = openat(r1, &(0x7f0000000b00)='nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000c00)='localhost / 2000000000 0 0 0 1\n', 0x1f)
close(r3)
r4 = openat(r1, &(0x7f0000000d00)='nfsd.fh/channel\x00', 0x2, 0x0)
write(r4, &(0x7f0000000e00)='localhost 1 \\x00000001 2000000000 /\n', 0x24)
close(r4)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mount-openat-write-close-syz_open_procfs-openat-write-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./nfsd_dir\x00', 0x1ff)
mkdir(&(0x7f0000000100)='./mnt_nfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./nfsd_dir\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd_dir/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='tcp 2049\n', 0x9)
close(r0)
r1 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00')
r2 = openat(r1, &(0x7f0000000900)='auth.unix.ip/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000a00)='nfsd 127.0.0.1 2000000000 localhost\n', 0x24)
close(r2)
r3 = openat(r1, &(0x7f0000000b00)='nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000c00)='localhost / 2000000000 0 0 0 1\n', 0x1f)
close(r3)
r4 = openat(r1, &(0x7f0000000d00)='nfsd.fh/channel\x00', 0x2, 0x0)
write(r4, &(0x7f0000000e00)='localhost 1 \\x00000001 2000000000 /\n', 0x24)
close(r4)

program did not crash
single: failed to extract reproducer
bisect: bisecting 38 programs with base timeout 30s
testing program (duration=39s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [15, 5, 2, 7, 8, 16, 16, 5, 10, 4, 3, 36, 9, 9, 5, 15, 19, 1, 19, 4, 18, 11, 4, 32, 3, 1, 1, 15, 36, 5, 10, 4, 4, 19, 11, 3, 17, 1]
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/tracing/options/context-info\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/tracing/events/kvm/kvm_apic_accept_irq/enable\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='1\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/tracing/trace_marker\x00', 0x1, 0x0)
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60)
ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x41)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0)
write(r2, &(0x7f0000001000)='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA', 0x1fc7)
ioctl$KVM_SIGNAL_MSI(r4, 0x4020aea5, &(0x7f0000000300)={0xfeeff000, 0x0, 0x40})
read(r5, &(0x7f0000004000), 0x2000)
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='devices.list\x00', 0x275a, 0x0)
write$binfmt_script(r0, &(0x7f00000004c0), 0x208e24b)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x200000a, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
cachestat(r0, &(0x7f0000000040), &(0x7f000009de80), 0x0)
executing program 0:
r0 = syz_open_dev$usbfs(&(0x7f00000007c0), 0x73, 0x82)
ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f0000000000)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000100)={0x80, 0x6, 0x301}, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
mount(0x0, &(0x7f0000000180)='./proc/fs/nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/fs/nfsd/portlist\x00', 0x1, 0x0)
write(r0, &(0x7f00000002c0)='tcp 2', 0x5)
r1 = socket(0x10, 0x80003, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000080)={'sit0\x00'})
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da07000000000001090224000100000000090400000903000000092100000001222200090581030800000000"], 0x0)
nanosleep(&(0x7f0000000300)={0x2}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff)
mount(&(0x7f0000000140)=@filename='none\x00', &(0x7f0000000100)='./sys\x00', &(0x7f0000000180)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/usb/devices\x00', 0x0, 0x0)
getdents64(r0, &(0x7f0000000400)=""/4096, 0x1000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/usb/devices/5-1:0.0/bInterfaceProtocol\x00', 0x0, 0x0)
read(r1, &(0x7f0000000600)=""/100, 0x64)
executing program 0:
mkdir(&(0x7f0000000000)='./nfsd_dir\x00', 0x1ff)
mkdir(&(0x7f0000000100)='./mnt_nfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./nfsd_dir\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd_dir/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='tcp 2049\n', 0x9)
close(r0)
r1 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00')
r2 = openat(r1, &(0x7f0000000900)='auth.unix.ip/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000a00)='nfsd 127.0.0.1 2000000000 localhost\n', 0x24)
close(r2)
r3 = openat(r1, &(0x7f0000000b00)='nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000c00)='localhost / 2000000000 0 0 0 1\n', 0x1f)
close(r3)
r4 = openat(r1, &(0x7f0000000d00)='nfsd.fh/channel\x00', 0x2, 0x0)
write(r4, &(0x7f0000000e00)='localhost 1 \\x00000001 2000000000 /\n', 0x24)
close(r4)
executing program 32:
mkdir(&(0x7f0000000000)='./nfsd_dir\x00', 0x1ff)
mkdir(&(0x7f0000000100)='./mnt_nfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./nfsd_dir\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd_dir/portlist\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='tcp 2049\n', 0x9)
close(r0)
r1 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00')
r2 = openat(r1, &(0x7f0000000900)='auth.unix.ip/channel\x00', 0x2, 0x0)
write(r2, &(0x7f0000000a00)='nfsd 127.0.0.1 2000000000 localhost\n', 0x24)
close(r2)
r3 = openat(r1, &(0x7f0000000b00)='nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000c00)='localhost / 2000000000 0 0 0 1\n', 0x1f)
close(r3)
r4 = openat(r1, &(0x7f0000000d00)='nfsd.fh/channel\x00', 0x2, 0x0)
write(r4, &(0x7f0000000e00)='localhost 1 \\x00000001 2000000000 /\n', 0x24)
close(r4)
executing program 2:
r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040)={0x0, 0x5}, &(0x7f00000000c0)=<r2=>0x0, &(0x7f0000000100)=<r3=>0x0, &(0x7f0000000140)=<r4=>0x0)
r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r6=>0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x104, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0xc4ddfbc9bba2bd9e}}}, &(0x7f0000000300)=<r7=>0x0)
r8 = syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2)
syz_ublk_setup_queues(r8, r7, &(0x7f0000000540)={0x0, 0xfa81, 0x0, 0x3, 0x28e, 0x0, r1}, &(0x7f0000000880)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0xf514, 0x1000, 0x2, 0x1af, 0x0, r1}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xddca, 0x2, 0x0, 0x330, 0x0, r1}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x766c, 0x8, 0x0, 0x2db, 0x0, r1}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x5027, 0x4, 0x0, 0x1fe, 0x0, r1}}], 0x4, &(0x7f0000001f40)={0x2e, 0x0, 0x0, r8, 0xc0107527, 0x0, 0x0, 0x0, 0x1, {0x10}, 0x0, r6, '\x00', {0x2, 0xb55, 0x0, 0x0}}, &(0x7f0000001fc0))
executing program 2:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x42, 0x1ff)
write(r0, &(0x7f0000000180)="01010101", 0x4)
read(r0, &(0x7f00000001c0)=""/4, 0x4)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./myconfig\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='none\x00', &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000340)='./myconfig/usb_gadget/g1/idVendor\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='44100,48000,88200,96000,176400,192000,352800,384000,705600,768000', 0x41)
executing program 2:
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./proc\x00', 0x1ff)
mount(&(0x7f0000000440)=@filename='proc\x00', &(0x7f0000000480)='./proc\x00', &(0x7f00000004c0)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./proc/self/fail-nth\x00', 0x1, 0x0)
write(r0, &(0x7f0000000740)='1\x00', 0x1)
executing program 2:
r0 = syz_usb_connect(0x3, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040110700090001010203010902200001010080fa0904000002070102000705810200020007050202000200"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000000200)={0x84, &(0x7f0000000240)={0x20, 0x0, 0x4, "00024142"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_open_dev$char_usb(0xc, 0xb4, 0x0)
executing program 2:
r0 = syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='file0\x00', 0x42, 0x1ff)
ftruncate(r1, 0x100000)
ioctl$LOOP_SET_FD(r0, 0x4c00, r1)
mkdir(&(0x7f00000000c0)='./config\x00', 0x1ff)
mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000140)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f00000001c0)='./config/cluster\x00', 0x1ff)
mkdir(&(0x7f0000000200)='./config/cluster/ocfs2\x00', 0x1ff)
mkdir(&(0x7f0000000240)='./config/cluster/ocfs2/node\x00', 0x1ff)
mkdir(&(0x7f0000000280)='./config/cluster/ocfs2/node/node0\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/cluster/ocfs2/node/node0/ipv4_address\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)='127.0.0.1\x00', 0xa)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/cluster/ocfs2/node/node0/ipv4_port\x00', 0x1, 0x0)
write(r3, &(0x7f0000000380)='7777\x00', 0x5)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/cluster/ocfs2/node/node0/num\x00', 0x1, 0x0)
write(r4, &(0x7f0000000400)='0\x00', 0x2)
close(r4)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/cluster/ocfs2/node/node0/local\x00', 0x1, 0x0)
write(r5, &(0x7f0000000480)='1\x00', 0x2)
close(r5)
mkdir(&(0x7f00000004c0)='./config/cluster/ocfs2/heartbeat\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./config/cluster/ocfs2/heartbeat/region0\x00', 0x1ff)
r6 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/cluster/ocfs2/heartbeat/region0/block_bytes\x00', 0x1, 0x0)
write(r6, &(0x7f0000000580)='512\x00', 0x4)
close(r6)
r7 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='./config/cluster/ocfs2/heartbeat/region0/start_block\x00', 0x1, 0x0)
write(r7, &(0x7f0000000600)='1\x00', 0x2)
close(r7)
r8 = openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/cluster/ocfs2/heartbeat/region0/blocks\x00', 0x1, 0x0)
write(r8, &(0x7f0000000680)='2\x00', 0x2)
close(r8)
r9 = openat(0xffffffffffffff9c, &(0x7f00000006c0)='./config/cluster/ocfs2/heartbeat/region0/dev\x00', 0x1, 0x0)
write(r9, &(0x7f0000000700)='3\x00', 0x2)
close(r9)
executing program 2:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x42, 0x1ff)
write(r0, &(0x7f0000000180)="01010101", 0x4)
read(r0, &(0x7f00000001c0)=""/4, 0x4)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./myconfig\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='none\x00', &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='44100,48000,88200,96000,176400,192000,352800,384000,705600,768000', 0x41)
executing program 33:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x42, 0x1ff)
write(r0, &(0x7f0000000180)="01010101", 0x4)
read(r0, &(0x7f00000001c0)=""/4, 0x4)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./myconfig\x00', 0x1ff)
mount(&(0x7f0000000240)=@filename='none\x00', &(0x7f0000000280)='./myconfig\x00', &(0x7f00000002c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./myconfig/usb_gadget/g1\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0/p_srate\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='44100,48000,88200,96000,176400,192000,352800,384000,705600,768000', 0x41)
executing program 3:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
executing program 3:
syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000080)='file0\x00', 0x42, 0x1ff)
mkdir(&(0x7f00000000c0)='./config\x00', 0x1ff)
mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000140)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
mkdir(0x0, 0x1ff)
openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/cluster/ocfs2/node/node0/ipv4_address\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000400)='0\x00', 0x2)
close(r0)
write(0xffffffffffffffff, &(0x7f0000000480)='1\x00', 0x2)
mkdir(&(0x7f00000004c0)='./config/cluster/ocfs2/heartbeat\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/cluster/ocfs2/heartbeat/region0/blocks\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000006c0)='./config/cluster/ocfs2/heartbeat/region0/dev\x00', 0x1, 0x0)
write(r1, &(0x7f0000000700)='3\x00', 0x2)
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/devices/system/machinecheck/machinecheck0/bank1\x00', 0x2, 0x0)
write(r4, &(0x7f0000000580)='1\n\x00', 0x2)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
write(r5, &(0x7f0000000780)='1\n\x00', 0x2)
executing program 1:
write(0xffffffffffffffff, &(0x7f0000000440)='1\x00', 0x2)
executing program 1:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, 0x0, 0x0)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0)
write(r2, &(0x7f0000000140)='1', 0x1)
unshare(0x44040200)
r3 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4)
bind$inet(r3, &(0x7f0000000080)={0x2, 0x4e21, @multicast1}, 0x10)
connect$inet(r3, &(0x7f0000000180)={0x2, 0x4e21, @loopback}, 0x10)
setsockopt$inet_tcp_TCP_CONGESTION(r3, 0x6, 0xd, &(0x7f0000000040)='bic', 0xff3d)
setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000000)=[@mss, @sack_perm, @window={0x3, 0x7}, @mss={0x2, 0xfff}, @window={0x3, 0x0, 0x401}, @window], 0x20000000000000e4)
setsockopt$inet_tcp_TCP_REPAIR(r3, 0x6, 0x13, &(0x7f00000001c0), 0x4)
sendto$inet(r3, &(0x7f0000000000), 0xffffffffffffff94, 0xb, 0x0, 0x0)
recvfrom$inet(r3, &(0x7f0000000080)=""/8, 0xfffffffffffffd0b, 0xc9100120, 0x0, 0xfffffffffffffd25)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[], 0x38}, 0x1, 0x0, 0x0, 0x14f7325d9d03b00}, 0x4000)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/devices/system/machinecheck/machinecheck0/bank1\x00', 0x2, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
write(r4, &(0x7f0000000780)='1\n\x00', 0x2)
executing program 5:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/devices/system/machinecheck/machinecheck0/bank1\x00', 0x2, 0x0)
write(r2, &(0x7f0000000580)='1\n\x00', 0x2)
executing program 3:
mkdir(&(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000001a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000001b00)='dummy_udc.0\x00', 0xb)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./myconfig\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
symlinkat(0x0, 0xffffffffffffff9c, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./myconfig/usb_gadget/g1/max_speed\x00', 0x1, 0x0)
write(r0, &(0x7f0000000900)='super-speed', 0xb)
close(r0)
openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
close(0xffffffffffffffff)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, 0x0, 0x0)
close(r1)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, 0x0, &(0x7f0000002200)='devtmpfs\x00', 0x0, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
nanosleep(&(0x7f0000000c00)={0x0, 0x5f5e100}, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000002300)='./mydev/ttyACM0\x00', 0x802, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000002400)='./mydev/kmsg\x00', 0x1, 0x0)
write(r3, &(0x7f0000002500)='hello world\n', 0xc)
close(r3)
write(r2, &(0x7f0000002500)='hello world\n', 0xc)
read(r2, &(0x7f0000002600), 0x100)
executing program 5:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='5\n\x00', 0x2)
executing program 1:
write(0xffffffffffffffff, &(0x7f0000000440)='1\x00', 0x2)
executing program 5:
write(0xffffffffffffffff, &(0x7f0000000340)='1\x00', 0x2)
executing program 1:
syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000080)='file0\x00', 0x42, 0x1ff)
mkdir(&(0x7f00000000c0)='./config\x00', 0x1ff)
mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000140)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
mkdir(0x0, 0x1ff)
openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/cluster/ocfs2/node/node0/ipv4_address\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
close(r0)
write(0xffffffffffffffff, &(0x7f0000000480)='1\x00', 0x2)
mkdir(&(0x7f00000004c0)='./config/cluster/ocfs2/heartbeat\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/cluster/ocfs2/heartbeat/region0/blocks\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000006c0)='./config/cluster/ocfs2/heartbeat/region0/dev\x00', 0x1, 0x0)
write(r1, &(0x7f0000000700)='3\x00', 0x2)
executing program 4:
mkdir(&(0x7f0000000040)='./sys_mount\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='./sys_mount\x00', &(0x7f0000000100)='sysfs\x00', 0x0, &(0x7f0000000140))
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys_mount/block/nullb0/queue/scheduler\x00', 0x2, 0x0)
write(r1, &(0x7f0000000200)='bfq\n', 0x4)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/nullb0/queue/rotational\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='1\n\x00', 0x2)
syz_clone(0x10f00, &(0x7f00000002c0), 0x0, &(0x7f0000000300), &(0x7f0000000340), &(0x7f0000000380))
pread64(r0, &(0x7f00000003c0), 0x8, 0x0)
pread64(r0, &(0x7f0000000400), 0x8, 0x1000)
pread64(r0, &(0x7f0000000440), 0x8, 0x2000)
pread64(r0, &(0x7f0000000480), 0x8, 0x3000)
pread64(r0, &(0x7f00000004c0), 0x8, 0x4000)
pread64(r0, &(0x7f0000000500), 0x8, 0x5000)
pread64(r0, &(0x7f0000000540), 0x8, 0x6000)
pread64(r0, &(0x7f0000000580), 0x8, 0x7000)
pread64(r0, &(0x7f00000005c0), 0x8, 0x8000)
pread64(r0, &(0x7f0000000600), 0x8, 0x9000)
pread64(r0, &(0x7f0000000640), 0x8, 0xa000)
pread64(r0, &(0x7f0000000680), 0x8, 0xb000)
pread64(r0, &(0x7f0000000740), 0x8, 0xe000)
pread64(r0, &(0x7f0000000780), 0x8, 0xf000)
pread64(r0, &(0x7f00000007c0), 0x8, 0x10000)
pread64(r0, &(0x7f0000000800), 0x8, 0x20000)
pread64(r0, &(0x7f0000000840), 0x8, 0x30000)
pread64(r0, &(0x7f0000000880), 0x8, 0x40000)
pread64(r0, &(0x7f0000000900), 0x8, 0x60000)
pread64(r0, &(0x7f0000000940), 0x8, 0x70000)
pread64(r0, &(0x7f0000000980), 0x8, 0x80000)
pread64(r0, &(0x7f00000009c0), 0x8, 0x90000)
pread64(r0, &(0x7f0000000a00), 0x8, 0xa0000)
pread64(r0, &(0x7f0000000a40), 0x8, 0xb0000)
pread64(r0, &(0x7f0000000a80), 0x8, 0xc0000)
pread64(r0, &(0x7f0000000ac0), 0x8, 0xd0000)
pread64(r0, &(0x7f0000000b00), 0x8, 0xe0000)
pread64(r0, &(0x7f0000000b40), 0x8, 0xf0000)
executing program 5:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
executing program 5:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r2, &(0x7f0000000480)='1\n\x00', 0x2)
executing program 4:
mkdir(&(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000001b00)='dummy_udc.0\x00', 0xb)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
executing program 3:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, 0x0, 0x0)
mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0)
write(r2, &(0x7f0000000140)='1', 0x1)
unshare(0x44040200)
r3 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_int(r3, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4)
bind$inet(r3, &(0x7f0000000080)={0x2, 0x4e21, @multicast1}, 0x10)
connect$inet(r3, &(0x7f0000000180)={0x2, 0x4e21, @loopback}, 0x10)
setsockopt$inet_tcp_TCP_CONGESTION(r3, 0x6, 0xd, &(0x7f0000000040)='bic', 0xff3d)
setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000000)=[@mss, @sack_perm, @window={0x3, 0x7}, @mss={0x2, 0xfff}, @window={0x3, 0x0, 0x401}, @window], 0x20000000000000e4)
setsockopt$inet_tcp_TCP_REPAIR(r3, 0x6, 0x13, &(0x7f00000001c0), 0x4)
sendto$inet(r3, &(0x7f0000000000), 0xffffffffffffff94, 0xb, 0x0, 0x0)
recvfrom$inet(r3, &(0x7f0000000080)=""/8, 0xfffffffffffffd0b, 0xc9100120, 0x0, 0xfffffffffffffd25)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000640)=ANY=[], 0x38}, 0x1, 0x0, 0x0, 0x14f7325d9d03b00}, 0x4000)
executing program 5:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/devices/system/machinecheck/machinecheck0/bank1\x00', 0x2, 0x0)
write(r2, &(0x7f0000000580)='1\n\x00', 0x2)
executing program 4:
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='5\n\x00', 0x2)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
write(r4, &(0x7f0000000780)='1\n\x00', 0x2)
executing program 1:
write(0xffffffffffffffff, &(0x7f0000000240)='1\x00', 0x2)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 8 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write
detailed listing:
executing program 0:
write(0xffffffffffffffff, &(0x7f0000000240)='1\x00', 0x2)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
write(r4, &(0x7f0000000780)='1\n\x00', 0x2)

program crashed: WARNING in mce_timer_fn
single: successfully extracted reproducer
found reproducer with 17 syscalls
minimizing guilty program
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
close(r3)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
write(r3, &(0x7f0000000480)='1\n\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/devices/system/machinecheck/machinecheck0/bank0\x00', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='1\n\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/devices/system/machinecheck/machinecheck0/tolerant\x00', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: WARNING in mce_timer_fn
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='5\n\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: WARNING in mce_timer_fn
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/devices/system/machinecheck/machinecheck0/check_interval\x00', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000180)='0\n\x00', 0x2)
write(0xffffffffffffffff, &(0x7f00000001a0)='1\n\x00', 0x2)
close(0xffffffffffffffff)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180), 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, 0x0, 0x0)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0), 0x0)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
simplifying C reproducer
testing compiled C program (duration=1m55.145945869s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: WARNING in __set_cpus_allowed_ptr_locked
a never seen crash title: WARNING in __set_cpus_allowed_ptr_locked, ignore
testing compiled C program (duration=1m55.145945869s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program did not crash
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
testing compiled C program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_timer
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
validation run: crashed=true
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
validation run: crashed=true
testing program (duration=1m55.145945869s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)

program crashed: general protection fault in detach_timer
validation run: crashed=true
reproducing took 2h1m31.002244s
repro crashed as (corrupted=false):
smpboot: CPU 1 is now offline
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 6087 Comm: syz.0.48 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer+0xf9/0x2d0 kernel/time/timer.c:891
Code: 24 08 49 83 c5 08 4d 89 ee 49 c1 ee 03 4c 89 e5 43 80 3c 26 00 74 08 4c 89 ef e8 d2 50 80 00 4d 8b 65 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 a9 51 80 00 4d 89 3c 24 4d 85 ff 74
RSP: 0018:ffffc90004cbf8b0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff110170e4694 RCX: ffff88802ffa8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: 0000000000000000
R13: ffff8880b87234a8 R14: 1ffff110170e4695 R15: dead000000000122
FS:  00007f90541be6c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda409bdff8 CR3: 000000002b9a4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 migrate_timer_list kernel/time/timer.c:2493 [inline]
 timers_dead_cpu+0x32e/0x560 kernel/time/timer.c:2541
 cpuhp_invoke_callback+0x434/0x810 kernel/cpu.c:194
 __cpuhp_invoke_callback_range kernel/cpu.c:972 [inline]
 cpuhp_invoke_callback_range kernel/cpu.c:996 [inline]
 cpuhp_down_callbacks kernel/cpu.c:1386 [inline]
 _cpu_down+0x343/0x840 kernel/cpu.c:1457
 cpu_down_maps_locked kernel/cpu.c:1483 [inline]
 cpu_down kernel/cpu.c:1491 [inline]
 cpu_device_down+0x82/0xc0 kernel/cpu.c:1508
 device_offline+0x2d2/0x3c0 drivers/base/core.c:4279
 online_store+0x123/0x1a0 drivers/base/core.c:2879
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9054b5df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f90541be028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9054de5fa0 RCX: 00007f9054b5df99
RDX: 0000000000000002 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f9054bf4ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9054de6038 R14: 00007f9054de5fa0 R15: 00007ffeb02496d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer+0xf9/0x2d0 kernel/time/timer.c:891
Code: 24 08 49 83 c5 08 4d 89 ee 49 c1 ee 03 4c 89 e5 43 80 3c 26 00 74 08 4c 89 ef e8 d2 50 80 00 4d 8b 65 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 a9 51 80 00 4d 89 3c 24 4d 85 ff 74
RSP: 0018:ffffc90004cbf8b0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff110170e4694 RCX: ffff88802ffa8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: 0000000000000000
R13: ffff8880b87234a8 R14: 1ffff110170e4695 R15: dead000000000122
FS:  00007f90541be6c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda409bdff8 CR3: 000000002b9a4000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	24 08                	and    $0x8,%al
   2:	49 83 c5 08          	add    $0x8,%r13
   6:	4d 89 ee             	mov    %r13,%r14
   9:	49 c1 ee 03          	shr    $0x3,%r14
   d:	4c 89 e5             	mov    %r12,%rbp
  10:	43 80 3c 26 00       	cmpb   $0x0,(%r14,%r12,1)
  15:	74 08                	je     0x1f
  17:	4c 89 ef             	mov    %r13,%rdi
  1a:	e8 d2 50 80 00       	call   0x8050f1
  1f:	4d 8b 65 00          	mov    0x0(%r13),%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 e7             	mov    %r12,%rdi
  33:	e8 a9 51 80 00       	call   0x8051e1
  38:	4d 89 3c 24          	mov    %r15,(%r12)
  3c:	4d 85 ff             	test   %r15,%r15
  3f:	74                   	.byte 0x74

final repro crashed as (corrupted=false):
smpboot: CPU 1 is now offline
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 6087 Comm: syz.0.48 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer+0xf9/0x2d0 kernel/time/timer.c:891
Code: 24 08 49 83 c5 08 4d 89 ee 49 c1 ee 03 4c 89 e5 43 80 3c 26 00 74 08 4c 89 ef e8 d2 50 80 00 4d 8b 65 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 a9 51 80 00 4d 89 3c 24 4d 85 ff 74
RSP: 0018:ffffc90004cbf8b0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff110170e4694 RCX: ffff88802ffa8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: 0000000000000000
R13: ffff8880b87234a8 R14: 1ffff110170e4695 R15: dead000000000122
FS:  00007f90541be6c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda409bdff8 CR3: 000000002b9a4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 migrate_timer_list kernel/time/timer.c:2493 [inline]
 timers_dead_cpu+0x32e/0x560 kernel/time/timer.c:2541
 cpuhp_invoke_callback+0x434/0x810 kernel/cpu.c:194
 __cpuhp_invoke_callback_range kernel/cpu.c:972 [inline]
 cpuhp_invoke_callback_range kernel/cpu.c:996 [inline]
 cpuhp_down_callbacks kernel/cpu.c:1386 [inline]
 _cpu_down+0x343/0x840 kernel/cpu.c:1457
 cpu_down_maps_locked kernel/cpu.c:1483 [inline]
 cpu_down kernel/cpu.c:1491 [inline]
 cpu_device_down+0x82/0xc0 kernel/cpu.c:1508
 device_offline+0x2d2/0x3c0 drivers/base/core.c:4279
 online_store+0x123/0x1a0 drivers/base/core.c:2879
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9054b5df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f90541be028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9054de5fa0 RCX: 00007f9054b5df99
RDX: 0000000000000002 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f9054bf4ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9054de6038 R14: 00007f9054de5fa0 R15: 00007ffeb02496d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer+0xf9/0x2d0 kernel/time/timer.c:891
Code: 24 08 49 83 c5 08 4d 89 ee 49 c1 ee 03 4c 89 e5 43 80 3c 26 00 74 08 4c 89 ef e8 d2 50 80 00 4d 8b 65 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 a9 51 80 00 4d 89 3c 24 4d 85 ff 74
RSP: 0018:ffffc90004cbf8b0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff110170e4694 RCX: ffff88802ffa8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: 0000000000000000
R13: ffff8880b87234a8 R14: 1ffff110170e4695 R15: dead000000000122
FS:  00007f90541be6c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda409bdff8 CR3: 000000002b9a4000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	24 08                	and    $0x8,%al
   2:	49 83 c5 08          	add    $0x8,%r13
   6:	4d 89 ee             	mov    %r13,%r14
   9:	49 c1 ee 03          	shr    $0x3,%r14
   d:	4c 89 e5             	mov    %r12,%rbp
  10:	43 80 3c 26 00       	cmpb   $0x0,(%r14,%r12,1)
  15:	74 08                	je     0x1f
  17:	4c 89 ef             	mov    %r13,%rdi
  1a:	e8 d2 50 80 00       	call   0x8050f1
  1f:	4d 8b 65 00          	mov    0x0(%r13),%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 e7             	mov    %r12,%rdi
  33:	e8 a9 51 80 00       	call   0x8051e1
  38:	4d 89 3c 24          	mov    %r15,(%r12)
  3c:	4d 85 ff             	test   %r15,%r15
  3f:	74                   	.byte 0x74