Extracting prog: 2m7.54436886s
Minimizing prog: 38m54.342324416s
Simplifying prog options: 0s
Extracting C: 1m52.482719409s
Simplifying C: 8m32.316502462s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect-socket$nl_route-syz_open_procfs-timerfd_gettime-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = syz_open_procfs(0x0, 0x0)
timerfd_gettime(r6, &(0x7f0000000100))
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', <r7=>0x0})
sendmsg$nl_route(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="200000001100010027bd7000fedbdf2500000000", @ANYRES32=r7, @ANYBLOB="1e5600000000000044459d51404c7a26e265c64cdb3b7f5e301fe7a0b50a30f1f54b"], 0x20}, 0x1, 0x0, 0x0, 0x50}, 0x80)

program crashed: kernel BUG in hpage_collapse_scan_file
single: successfully extracted reproducer
found reproducer with 26 syscalls
minimizing guilty program
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect-socket$nl_route-syz_open_procfs-timerfd_gettime-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = syz_open_procfs(0x0, 0x0)
timerfd_gettime(r6, &(0x7f0000000100))
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000))

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect-socket$nl_route-syz_open_procfs-timerfd_gettime
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r5 = syz_open_procfs(0x0, 0x0)
timerfd_gettime(r5, &(0x7f0000000100))

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect-socket$nl_route-syz_open_procfs
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
syz_open_procfs(0x0, 0x0)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect-socket$nl_route
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise-syz_usb_connect
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
syz_usb_connect(0x2, 0x0, 0x0, 0x0)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-ioctl$SNDCTL_DSP_SUBDIVIDE
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x2fff)

program did not crash
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-timer_settime-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-timer_create-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
r3 = gettid()
r4 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r4, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc))
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-syz_open_dev$dri-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
gettid()
r3 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r3, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
gettid()
r3 = syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r3, 0xc1004110, &(0x7f0000000000)={0x3, [0x6, 0xffff1337, 0x3], [{0x0, 0xa, 0x0, 0x1}, {0x35, 0x35}, {0x9, 0x131}, {0x2, 0x3}, {0x0, 0xa5}, {}, {0x80000000, 0xfffffffd}, {0x0, 0x7fff}, {0xf}, {0xfffffffd}, {0x0, 0x2}, {0x0, 0xfffffffd}], 0xc})
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-syz_open_dev$sndpcmc-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
gettid()
syz_open_dev$sndpcmc(&(0x7f0000000480), 0x1, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-gettid-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
gettid()
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-ioctl$SNDCTL_DSP_SYNC-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
ioctl$SNDCTL_DSP_SYNC(r2, 0x5001, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-write$dsp-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
write$dsp(r2, &(0x7f00000001c0)="5cba91a4", 0xffffffd9)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-openat$dsp-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x8041, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f00006d3000/0x4000)=nil, 0x4000, 0x66)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-sched_setattr-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
sched_setattr(0x0, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program did not crash
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-sendto$inet6-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff})
connect$unix(r0, &(0x7f0000000280)=@abs, 0x6e)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-mmap-madvise
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080))
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
extracting C reproducer
testing compiled C program (duration=45.421707453s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
simplifying C reproducer
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing compiled C program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
program crashed: kernel BUG in hpage_collapse_scan_file
testing program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
validation run: crashed=true
testing program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
validation run: crashed=true
testing program (duration=45.421707453s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)

program crashed: kernel BUG in hpage_collapse_scan_file
validation run: crashed=true
reproducing took 56m7.533841079s
repro crashed as (corrupted=false):
node ffff888148816ec0 offset 0 parent ffff888148817700 shift 0 count 64 values 0 array ffff88807be6b0f0 list ffff888148816ed8 ffff888148816ed8 marks 0 0 0
------------[ cut here ]------------
kernel BUG at ./include/linux/xarray.h:1441!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6017 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc9000422f120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888148816ec0 RCX: 6c90c8cc739bf400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000422f428 R08: ffffc9000422eea7 R09: 1ffff92000845dd4
R10: dffffc0000000000 R11: fffff52000845dd5 R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555592982500(0000) GS:ffff8881256ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30363fff CR3: 0000000031994000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 madvise_collapse+0x42f/0xb30 mm/khugepaged.c:2817
 madvise_vma_behavior+0x10ad/0x43f0 mm/madvise.c:1372
 madvise_walk_vmas+0x57a/0xaf0 mm/madvise.c:1721
 madvise_do_behavior+0x386/0x540 mm/madvise.c:1937
 do_madvise+0x1fa/0x2e0 mm/madvise.c:2030
 __do_sys_madvise mm/madvise.c:2039 [inline]
 __se_sys_madvise mm/madvise.c:2037 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2037
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f948ad9acb9
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:00007ffd1ef477c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f948b015fa0 RCX: 00007f948ad9acb9
RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000200000000000
RBP: 00007f948ae08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f948b015fac R14: 00007f948b015fa0 R15: 00007f948b015fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc9000422f120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888148816ec0 RCX: 6c90c8cc739bf400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000422f428 R08: ffffc9000422eea7 R09: 1ffff92000845dd4
R10: dffffc0000000000 R11: fffff52000845dd5 R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555592982500(0000) GS:ffff8881256ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0001002a0 CR3: 0000000031994000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
node ffff888148816ec0 offset 0 parent ffff888148817700 shift 0 count 64 values 0 array ffff88807be6b0f0 list ffff888148816ed8 ffff888148816ed8 marks 0 0 0
------------[ cut here ]------------
kernel BUG at ./include/linux/xarray.h:1441!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6017 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc9000422f120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888148816ec0 RCX: 6c90c8cc739bf400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000422f428 R08: ffffc9000422eea7 R09: 1ffff92000845dd4
R10: dffffc0000000000 R11: fffff52000845dd5 R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555592982500(0000) GS:ffff8881256ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30363fff CR3: 0000000031994000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 madvise_collapse+0x42f/0xb30 mm/khugepaged.c:2817
 madvise_vma_behavior+0x10ad/0x43f0 mm/madvise.c:1372
 madvise_walk_vmas+0x57a/0xaf0 mm/madvise.c:1721
 madvise_do_behavior+0x386/0x540 mm/madvise.c:1937
 do_madvise+0x1fa/0x2e0 mm/madvise.c:2030
 __do_sys_madvise mm/madvise.c:2039 [inline]
 __se_sys_madvise mm/madvise.c:2037 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2037
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f948ad9acb9
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:00007ffd1ef477c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f948b015fa0 RCX: 00007f948ad9acb9
RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000200000000000
RBP: 00007f948ae08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f948b015fac R14: 00007f948b015fa0 R15: 00007f948b015fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc9000422f120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888148816ec0 RCX: 6c90c8cc739bf400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000422f428 R08: ffffc9000422eea7 R09: 1ffff92000845dd4
R10: dffffc0000000000 R11: fffff52000845dd5 R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555592982500(0000) GS:ffff8881256ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0001002a0 CR3: 0000000031994000 CR4: 00000000003526f0