Extracting prog: 42.520088937s
Minimizing prog: 18m43.306387352s
Simplifying prog options: 0s
Extracting C: 33.430463208s
Simplifying C: 10m2.137165112s


extracting reproducer from 128 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:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-setsockopt$sock_attach_bpf-close
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
fcntl$addseals(r1, 0x409, 0x2)
r2 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r2, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})
setsockopt$sock_attach_bpf(r0, 0x84, 0x1e, &(0x7f0000000000), 0x10)
close(r0)

program crashed: kernel BUG in alloc_hugetlb_folio_reserve
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
fcntl$addseals(r1, 0x409, 0x2)
r2 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r2, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})
setsockopt$sock_attach_bpf(r0, 0x84, 0x1e, &(0x7f0000000000), 0x10)

program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
fcntl$addseals(r1, 0x409, 0x2)
r2 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r2, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})

program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-fcntl$addseals-openat$udambuf
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
fcntl$addseals(r1, 0x409, 0x2)
openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-fcntl$addseals-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
fcntl$addseals(r1, 0x409, 0x2)
ioctl$UDMABUF_CREATE(0xffffffffffffffff, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-mmap-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r1, 0x20000000)
r2 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r2, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-memfd_create-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
r1 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
fcntl$addseals(r1, 0x409, 0x2)
r2 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r2, 0x40187542, &(0x7f0000000040)={r1, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$inet-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x5, 0x84)
sendmsg$inet(r0, &(0x7f0000002980)={&(0x7f0000000180)={0x2, 0x0, @dev}, 0x10, &(0x7f0000001400)=[{&(0x7f0000001800)='_', 0x1}], 0x1}, 0x4000000)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, 0xffffffffffffffff, 0x20000000)
fcntl$addseals(0xffffffffffffffff, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={0xffffffffffffffff, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
socket$kcm(0x2, 0x5, 0x84)
r0 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r0, 0x20000000)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={r0, 0x1, 0x1000000, 0x100000})

program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r0, 0x20000000)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={r0, 0x1, 0x1000000, 0x100000})

program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = memfd_create(0x0, 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r0, 0x20000000)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={r0, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r0, 0x20000000)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, 0x0, 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={r0, 0x1, 0x1000000, 0x100000})

program did not crash
testing program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x4d091, r0, 0x20000000)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.903509873s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
simplifying C reproducer
testing compiled C program (duration=53.903509873s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
testing compiled C program (duration=53.903509873s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-mmap-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
program crashed: kernel BUG in alloc_hugetlb_folio_reserve
reproducing took 30m1.394134162s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:2333!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5837 Comm: syz-executor518 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 c6 e9 9f ff 48 c7 c7 40 56 61 8e e8 1a 9b d8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 a5 e9 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90003d6f7f8 EFLAGS: 00010093
RAX: ffffffff821f831b RBX: 0000000000000000 RCX: ffff8880277cbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff348b4d1 R08: ffffffff821f82d3 R09: 1ffffd40005a2005
R10: dffffc0000000000 R11: fffff940005a2006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea0002d10000 R15: ffffffff9a45a688
FS:  000055556cda4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 000000007ae56000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 memfd_alloc_folio+0x1bd/0x370 mm/memfd.c:88
 memfd_pin_folios+0xf10/0x1570 mm/gup.c:3746
 udmabuf_pin_folios drivers/dma-buf/udmabuf.c:346 [inline]
 udmabuf_create+0x70e/0x10c0 drivers/dma-buf/udmabuf.c:443
 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:495 [inline]
 udmabuf_ioctl+0x301/0x4e0 drivers/dma-buf/udmabuf.c:526
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4485e013a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc67d75098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc67d75268 RCX: 00007f4485e013a9
RDX: 0000000020000040 RSI: 0000000040187542 RDI: 0000000000000004
RBP: 00007f4485e74610 R08: 0000000020000000 R09: 00007ffc67d75268
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc67d75258 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 c6 e9 9f ff 48 c7 c7 40 56 61 8e e8 1a 9b d8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 a5 e9 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90003d6f7f8 EFLAGS: 00010093
RAX: ffffffff821f831b RBX: 0000000000000000 RCX: ffff8880277cbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff348b4d1 R08: ffffffff821f82d3 R09: 1ffffd40005a2005
R10: dffffc0000000000 R11: fffff940005a2006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea0002d10000 R15: ffffffff9a45a688
FS:  000055556cda4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 000000007ae56000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:2333!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5837 Comm: syz-executor518 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 c6 e9 9f ff 48 c7 c7 40 56 61 8e e8 1a 9b d8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 a5 e9 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90003d6f7f8 EFLAGS: 00010093
RAX: ffffffff821f831b RBX: 0000000000000000 RCX: ffff8880277cbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff348b4d1 R08: ffffffff821f82d3 R09: 1ffffd40005a2005
R10: dffffc0000000000 R11: fffff940005a2006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea0002d10000 R15: ffffffff9a45a688
FS:  000055556cda4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 000000007ae56000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 memfd_alloc_folio+0x1bd/0x370 mm/memfd.c:88
 memfd_pin_folios+0xf10/0x1570 mm/gup.c:3746
 udmabuf_pin_folios drivers/dma-buf/udmabuf.c:346 [inline]
 udmabuf_create+0x70e/0x10c0 drivers/dma-buf/udmabuf.c:443
 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:495 [inline]
 udmabuf_ioctl+0x301/0x4e0 drivers/dma-buf/udmabuf.c:526
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4485e013a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc67d75098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc67d75268 RCX: 00007f4485e013a9
RDX: 0000000020000040 RSI: 0000000040187542 RDI: 0000000000000004
RBP: 00007f4485e74610 R08: 0000000020000000 R09: 00007ffc67d75268
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc67d75258 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 c6 e9 9f ff 48 c7 c7 40 56 61 8e e8 1a 9b d8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 a5 e9 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90003d6f7f8 EFLAGS: 00010093
RAX: ffffffff821f831b RBX: 0000000000000000 RCX: ffff8880277cbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff348b4d1 R08: ffffffff821f82d3 R09: 1ffffd40005a2005
R10: dffffc0000000000 R11: fffff940005a2006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea0002d10000 R15: ffffffff9a45a688
FS:  000055556cda4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 000000007ae56000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400