Extracting prog: 1m42.400713449s
Minimizing prog: 23m24.093799635s
Simplifying prog options: 0s
Extracting C: 25.664778035s
Simplifying C: 12m16.83597757s


1 programs, 3 VMs, timeouts [15s 1m40s 6m0s]
extracting reproducer from 1 programs
single: executing 1 programs separately with timeout 15s
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program crashed: kernel BUG in unaccount_page_cache_page
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = ioctl$UDMABUF_CREATE(0xffffffffffffffff, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r1, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
ftruncate(0xffffffffffffffff, 0xffff)
fcntl$addseals(0xffffffffffffffff, 0x409, 0x7)
r0 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r1 = ioctl$UDMABUF_CREATE(r0, 0x40187542, &(0x7f0000000000)={0xffffffffffffffff, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r1, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(0x0, 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, 0x0, 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000000)={r0, 0x0, 0x0, 0x8000})
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
testing program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
detailed listing:
executing program 0:
r0 = memfd_create(&(0x7f0000000040)='y\x105%\xfa,\x1f\x99\xa2\xc9\x8e\xcd\\\xfa\xf6\x12\x95^\xdfT\xe2=\x0e~F\xcds\xa3\xff\x89>\x84\xa9\x86\x86\xa2F\x90\x93\x98N\x05e\x92Jw\xcec\xce\x9f2\xc8\x02f\x03\am\b\xb4H\x8f\x9e\xa5\x16\x8fa\xff\xb2\"\x8a\x15\x13\xa2\x17%!T\x8b\xa1\xb9-\x13\xf9og\x95\x9dT\xef\xcahw\xf5\xffu\x7fu\xb8*\xd3C\xaf\xc2H\a\x00\x00\x00\x10\xbe0\x8a\xba\x04\x00\x00\x00\x00\x00\x00\x00-\xc2\xe8\xffmv\x15\xa2`z\xaceM\xd6)=JW9\x8f\xe0\x94\xd6\x01\x7f\xa9h\xdf\xf0[wP\x86\x02\xa0R\xf3#\xd8,\xb1I\xf6\x95\xf5\x85x\xd2\x97\xcd\xa2$\xb0\x03u\xc9\xc2}\xcb\xb4\xd5\x1a}\x1a\xc4\xa5\x87\xc4I\x8c\xce\xed\xd1Y\x1752\xd8Y\a\xa7^\xc8\xe8\x9f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00b\x0e\xf8\xa8\x1a\xa7\xefD\xdd\xa4u\xd0\xf4\x17\xcc\x1fn\x99\\=\xeb\x11\"\xb3:\x86u\xa7\x92\xd1@\v\xae\xd0@/3\xf0\xfa\x9a\x96\xf2\'\xc4b\x19KH\xa7\x1dj\x9c\xfe', 0x2)
ftruncate(r0, 0xffff)
fcntl$addseals(r0, 0x409, 0x7)
r1 = openat$udambuf(0xffffffffffffff9c, &(0x7f00000001c0), 0x2)
r2 = ioctl$UDMABUF_CREATE(r1, 0x40187542, 0x0)
mmap(&(0x7f0000667000/0x4000)=nil, 0x4000, 0x100000e, 0x28011, r2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
simplifying C reproducer
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program did not crash
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): memfd_create-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true 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-ftruncate-fcntl$addseals-openat$udambuf-ioctl$UDMABUF_CREATE-mmap
program crashed: kernel BUG in unaccount_page_cache_page
reproducing took 37m48.995284619s
repro crashed as (corrupted=false):
 search_binary_handler fs/exec.c:1738 [inline]
 exec_binprm fs/exec.c:1779 [inline]
 bprm_execve+0x8fd/0x17c0 fs/exec.c:1848
 do_execveat_common+0x583/0x720 fs/exec.c:1953
 do_execve fs/exec.c:2023 [inline]
 __do_sys_execve fs/exec.c:2099 [inline]
 __se_sys_execve fs/exec.c:2094 [inline]
 __x64_sys_execve+0x8e/0xa0 fs/exec.c:2094
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
------------[ cut here ]------------
kernel BUG at mm/filemap.c:166!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3500 Comm: syz-executor181 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:unaccount_page_cache_page+0x79d/0x8b0 mm/filemap.c:166
Code: e8 28 7f d8 ff 4c 89 f7 48 c7 c6 20 14 93 8a e8 39 c8 0e 00 0f 0b e8 12 7f d8 ff 4c 89 f7 48 c7 c6 60 14 93 8a e8 23 c8 0e 00 <0f> 0b 48 85 ed 75 62 e8 f7 7e d8 ff 4c 89 eb eb 60 e8 ed 7e d8 ff
RSP: 0018:ffffc900011df6d0 EFLAGS: 00010046
RAX: 3c846f8db987a900 RBX: 0000000000000000 RCX: ffff888071eb9dc0
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: 0000000000000000 R08: ffffffff81d0ed44 R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000290e01
R13: ffffea0001487008 R14: ffffea0001487000 R15: dffffc0000000000
FS:  0000555556953380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40204140d0 CR3: 0000000070123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __delete_from_page_cache+0xd1/0x860 mm/filemap.c:231
 delete_from_page_cache+0x126/0x190 mm/filemap.c:266
 truncate_inode_page+0x8d/0xb0 mm/truncate.c:219
 shmem_undo_range+0x535/0x1b50 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x21b/0xa00 mm/shmem.c:1145
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 dentry_kill+0xbb/0x290
 dput+0xd8/0x1a0 fs/dcache.c:889
 __fput+0x5ec/0x890 fs/file_table.c:288
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f402039c0e0
Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d a1 8f 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c
RSP: 002b:00007fff66f6ad48 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f402039c0e0
RDX: 000000000100000e RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000000f4240 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000202 R12: 00007f40204105f0
R13: 00007fff66f6af88 R14: 00007fff66f6ad70 R15: 00007fff66f6ad60
 </TASK>
Modules linked in:
---[ end trace 700921cbd8f63ed0 ]---
RIP: 0010:unaccount_page_cache_page+0x79d/0x8b0 mm/filemap.c:166
Code: e8 28 7f d8 ff 4c 89 f7 48 c7 c6 20 14 93 8a e8 39 c8 0e 00 0f 0b e8 12 7f d8 ff 4c 89 f7 48 c7 c6 60 14 93 8a e8 23 c8 0e 00 <0f> 0b 48 85 ed 75 62 e8 f7 7e d8 ff 4c 89 eb eb 60 e8 ed 7e d8 ff
RSP: 0018:ffffc900011df6d0 EFLAGS: 00010046
RAX: 3c846f8db987a900 RBX: 0000000000000000 RCX: ffff888071eb9dc0
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: 0000000000000000 R08: ffffffff81d0ed44 R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000290e01
R13: ffffea0001487008 R14: ffffea0001487000 R15: dffffc0000000000
FS:  0000555556953380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40204140d0 CR3: 0000000070123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
 search_binary_handler fs/exec.c:1738 [inline]
 exec_binprm fs/exec.c:1779 [inline]
 bprm_execve+0x8fd/0x17c0 fs/exec.c:1848
 do_execveat_common+0x583/0x720 fs/exec.c:1953
 do_execve fs/exec.c:2023 [inline]
 __do_sys_execve fs/exec.c:2099 [inline]
 __se_sys_execve fs/exec.c:2094 [inline]
 __x64_sys_execve+0x8e/0xa0 fs/exec.c:2094
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
------------[ cut here ]------------
kernel BUG at mm/filemap.c:166!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3500 Comm: syz-executor181 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:unaccount_page_cache_page+0x79d/0x8b0 mm/filemap.c:166
Code: e8 28 7f d8 ff 4c 89 f7 48 c7 c6 20 14 93 8a e8 39 c8 0e 00 0f 0b e8 12 7f d8 ff 4c 89 f7 48 c7 c6 60 14 93 8a e8 23 c8 0e 00 <0f> 0b 48 85 ed 75 62 e8 f7 7e d8 ff 4c 89 eb eb 60 e8 ed 7e d8 ff
RSP: 0018:ffffc900011df6d0 EFLAGS: 00010046
RAX: 3c846f8db987a900 RBX: 0000000000000000 RCX: ffff888071eb9dc0
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: 0000000000000000 R08: ffffffff81d0ed44 R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000290e01
R13: ffffea0001487008 R14: ffffea0001487000 R15: dffffc0000000000
FS:  0000555556953380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40204140d0 CR3: 0000000070123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __delete_from_page_cache+0xd1/0x860 mm/filemap.c:231
 delete_from_page_cache+0x126/0x190 mm/filemap.c:266
 truncate_inode_page+0x8d/0xb0 mm/truncate.c:219
 shmem_undo_range+0x535/0x1b50 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x21b/0xa00 mm/shmem.c:1145
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 dentry_kill+0xbb/0x290
 dput+0xd8/0x1a0 fs/dcache.c:889
 __fput+0x5ec/0x890 fs/file_table.c:288
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f402039c0e0
Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d a1 8f 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c
RSP: 002b:00007fff66f6ad48 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f402039c0e0
RDX: 000000000100000e RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000000f4240 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000202 R12: 00007f40204105f0
R13: 00007fff66f6af88 R14: 00007fff66f6ad70 R15: 00007fff66f6ad60
 </TASK>
Modules linked in:
---[ end trace 700921cbd8f63ed0 ]---
RIP: 0010:unaccount_page_cache_page+0x79d/0x8b0 mm/filemap.c:166
Code: e8 28 7f d8 ff 4c 89 f7 48 c7 c6 20 14 93 8a e8 39 c8 0e 00 0f 0b e8 12 7f d8 ff 4c 89 f7 48 c7 c6 60 14 93 8a e8 23 c8 0e 00 <0f> 0b 48 85 ed 75 62 e8 f7 7e d8 ff 4c 89 eb eb 60 e8 ed 7e d8 ff
RSP: 0018:ffffc900011df6d0 EFLAGS: 00010046
RAX: 3c846f8db987a900 RBX: 0000000000000000 RCX: ffff888071eb9dc0
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: 0000000000000000 R08: ffffffff81d0ed44 R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000290e01
R13: ffffea0001487008 R14: ffffea0001487000 R15: dffffc0000000000
FS:  0000555556953380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40204140d0 CR3: 0000000070123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400