Extracting prog: 5m32.169687654s
Minimizing prog: 7m26.931994007s
Simplifying prog options: 0s
Extracting C: 34.413050878s
Simplifying C: 5m7.872898092s


extracting reproducer from 1 programs
testing a last program of every proc
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-ioctl$KVM_CREATE_VM-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-openat-fallocate
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r0 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200)
ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0x4, 0x100005, 0x0, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0xa, 0x3a]})
r1 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)
fallocate(r1, 0x1, 0x7, 0x8010004)

program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-ioctl$KVM_CREATE_VM-syz_open_dev$loop-ioctl$LOOP_SET_STATUS-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r0 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200)
ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0x4, 0x100005, 0x0, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0xa, 0x3a]})
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-ioctl$KVM_CREATE_VM-syz_open_dev$loop-ioctl$LOOP_SET_STATUS
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r0 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200)
ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0x4, 0x100005, 0x0, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0xa, 0x3a]})

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-ioctl$KVM_CREATE_VM-syz_open_dev$loop-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200)
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-ioctl$KVM_CREATE_VM-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-setsockopt$inet6_IPV6_FLOWLABEL_MGR-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x80342, 0x168)
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x48042, 0x8c)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$eJzs3c1rHOUfAPDvbPPSX9qfjSBoPQUEDZRuTI2tgoeKBxEsFPRsGzbbULPJhuymNCGgRQQvgooHQS89W603r75c9Q/w7kFaqqbFiAeJzL6k22Y33aTZbMt+PjDJ88zM5jvfeWbmebIz7AbQs0bSH5mIwxHxURJxqDY/iYj+Sqkv4mR1vbXVlVw6JbG+/sYfSWWdW6sruWh4TepArfJERPzwfsSRzOa4paXlmclCIb9Qq4+VZ+fHSkvLR8/PTk7np/Nzx8cnJo6deP7E8d3L9a+flw9e//jVZ74++c97j1/98MckTsbB2rLGPHbLSIzU9kl/ugvv8Eq8s9vhuirp9gawI+mpua96lsfhJC33dXuTAIAOS0eh6wBAj0n0/wDQY+rvA9xaXcnVp+6+I7G3brwcEfur+dfvb1aX9NXu2e2v3AcdupXccWckiYjhXYg/EhFffPvWlXSKDt2HBGjm3UsRcXZ4ZPP1P9n0zMJ2PdvGOiN31Tfi/9J/n9GBe/kuHf+80Gz8l9kY/0ST8c9gk3N3J1qe/xsy13YhTEvp+O+lhmfb1hryrxneV6v9vzLm60/OnS/k02vbIxExGv2DaX18ixijN/+92WpZ4/jvz0/e/jKNn/6+vUbmWt/gna+ZmixP3k/OjW5ciniyr57/pYYlyUb7Jy3Gv6fbjPHaix983mpZmn+ab33anH9nrV+OeLpp+99+oi3Z8vnEscrhMFY/KJr45tfPhlrFb2z/dFpbXVlPIq7sfqbNpe0/tHX+w0nj85ql7cf46fKh71sta5J/rv6/UFXz438gebNSHqjNuzhZLi+MRwwkr2+ef+z2a+v1+vpp/qNPNT//tzr+09HJ2Tbz77v++1c7z7+z0vynttX+2y9cXZvZ1yp+e+0/USmN1uZsff2rXrfb3cD73X8AAAAAAAAAAAAAAAAAAAAAAAAA0I5MRByMJJPdKGcy2Wz1O7wfi6FMoVgqHzlXXJybisp3ZQ9Hf6b+UZeHGj4Pdbz2efj1+rG76s9FxKMR8eng/yr1bK5YmOp28gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQc6DF9/+nfhvs9tYBAB2zv9sbAADsOf0/APQe/T8A9B79PwD0Hv0/APQe/T8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAddvrUqXRa/3t1JZfWpy4sLc4ULxydypdmsrOLuWyuuDCfnS4Wpwv5bK44e6+/VygW5ydibvHiWDlfKo+VlpbPzBYX58pnzs9OTufP5Pv3JCsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA2J7S0vLMZKGQX1B4CAp9tVZ7ULZnR4VMPYm9CjrQxjrr8zdPbTuLB2Bndq7QxYsSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwEPkvwAAAP//vI8fOA==")
openat(0xffffffffffffff9c, 0x0, 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
extracting C reproducer
testing compiled C 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, 0x0, 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$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")
openat(0xffffffffffffff9c, 0x0, 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x790, &(0x7f0000006a80)="$eJzs3c1rHOUfAPDvbPPSX9qfjSBoPQUEDZRuTI2tgoeKBxEsFPRsGzbbULPJhuymNCGgRQQvgooHQS89W603r75c9Q/w7kFaqqbFiAeJzL6k22Y33aTZbMt+PjDJ88zM5jvfeWbmebIz7AbQs0bSH5mIwxHxURJxqDY/iYj+Sqkv4mR1vbXVlVw6JbG+/sYfSWWdW6sruWh4TepArfJERPzwfsSRzOa4paXlmclCIb9Qq4+VZ+fHSkvLR8/PTk7np/Nzx8cnJo6deP7E8d3L9a+flw9e//jVZ74++c97j1/98MckTsbB2rLGPHbLSIzU9kl/ugvv8Eq8s9vhuirp9gawI+mpua96lsfhJC33dXuTAIAOS0eh6wBAj0n0/wDQY+rvA9xaXcnVp+6+I7G3brwcEfur+dfvb1aX9NXu2e2v3AcdupXccWckiYjhXYg/EhFffPvWlXSKDt2HBGjm3UsRcXZ4ZPP1P9n0zMJ2PdvGOiN31Tfi/9J/n9GBe/kuHf+80Gz8l9kY/0ST8c9gk3N3J1qe/xsy13YhTEvp+O+lhmfb1hryrxneV6v9vzLm60/OnS/k02vbIxExGv2DaX18ixijN/+92WpZ4/jvz0/e/jKNn/6+vUbmWt/gna+ZmixP3k/OjW5ciniyr57/pYYlyUb7Jy3Gv6fbjPHaix983mpZmn+ab33anH9nrV+OeLpp+99+oi3Z8vnEscrhMFY/KJr45tfPhlrFb2z/dFpbXVlPIq7sfqbNpe0/tHX+w0nj85ql7cf46fKh71sta5J/rv6/UFXz438gebNSHqjNuzhZLi+MRwwkr2+ef+z2a+v1+vpp/qNPNT//tzr+09HJ2Tbz77v++1c7z7+z0vynttX+2y9cXZvZ1yp+e+0/USmN1uZsff2rXrfb3cD73X8AAAAAAAAAAAAAAAAAAAAAAAAA0I5MRByMJJPdKGcy2Wz1O7wfi6FMoVgqHzlXXJybisp3ZQ9Hf6b+UZeHGj4Pdbz2efj1+rG76s9FxKMR8eng/yr1bK5YmOp28gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQc6DF9/+nfhvs9tYBAB2zv9sbAADsOf0/APQe/T8A9B79PwD0Hv0/APQe/T8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAddvrUqXRa/3t1JZfWpy4sLc4ULxydypdmsrOLuWyuuDCfnS4Wpwv5bK44e6+/VygW5ydibvHiWDlfKo+VlpbPzBYX58pnzs9OTufP5Pv3JCsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA2J7S0vLMZKGQX1B4CAp9tVZ7ULZnR4VMPYm9CjrQxjrr8zdPbTuLB2Bndq7QxYsSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwEPkvwAAAP//vI8fOA==")
openat(0xffffffffffffff9c, 0x0, 0x48042, 0x8c)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
reproducing took 21m52.409678432s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:87 [inline]
BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
BUG: KASAN: null-ptr-deref in do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Write of size 8 at addr 0000000000000000 by task udevd/409

CPU: 0 PID: 409 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_write include/linux/instrumented.h:87 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
 force_page_cache_ra mm/readahead.c:360 [inline]
 page_cache_sync_ra+0x32b/0x3d0 mm/readahead.c:751
 page_cache_sync_readahead include/linux/pagemap.h:1259 [inline]
 filemap_get_pages mm/filemap.c:2706 [inline]
 filemap_read+0x6b6/0x23c0 mm/filemap.c:2801
 blkdev_read_iter+0x439/0x580 block/fops.c:668
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x46e/0x930 fs/read_write.c:470
 ksys_read+0x14a/0x260 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f28c08a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc9ccea3a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f28c0f89880 RCX: 00007f28c08a7407
RDX: 0000000000000200 RSI: 00007f28c0f7f000 RDI: 0000000000000009
RBP: 0000564b6ff82790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000080000 R14: 0000564b6ff83b48 R15: 00007f28c10b039c
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000003
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 409 Comm: udevd Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:arch_set_bit include/linux/instrumented.h:87 [inline]
RIP: 0010:set_bit include/asm-generic/bitops/instrumented-atomic.h:29 [inline]
RIP: 0010:do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Code: fd ff 48 3d 01 f0 ff ff 72 10 e8 dc 1c d2 ff 49 83 ee 01 73 78 e9 87 00 00 00 49 89 c4 48 89 c7 be 08 00 00 00 e8 d1 ba 17 00 <f0> 41 80 4c 24 03 10 4c 89 e7 48 83 c7 34 be 04 00 00 00 e8 b9 ba
RSP: 0018:ffffc90000a27878 EFLAGS: 00010246
RAX: ffff8881176c6500 RBX: 0000000000000080 RCX: ffff8881176c6540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a278c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000007f R14: 0000000000000000 R15: ffff88810b34f650
FS:  00007f28c0f89880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012e693000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 force_page_cache_ra mm/readahead.c:360 [inline]
 page_cache_sync_ra+0x32b/0x3d0 mm/readahead.c:751
 page_cache_sync_readahead include/linux/pagemap.h:1259 [inline]
 filemap_get_pages mm/filemap.c:2706 [inline]
 filemap_read+0x6b6/0x23c0 mm/filemap.c:2801
 blkdev_read_iter+0x439/0x580 block/fops.c:668
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x46e/0x930 fs/read_write.c:470
 ksys_read+0x14a/0x260 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f28c08a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc9ccea3a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f28c0f89880 RCX: 00007f28c08a7407
RDX: 0000000000000200 RSI: 00007f28c0f7f000 RDI: 0000000000000009
RBP: 0000564b6ff82790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000080000 R14: 0000564b6ff83b48 R15: 00007f28c10b039c
 </TASK>
Modules linked in:
CR2: 0000000000000003
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_set_bit include/linux/instrumented.h:87 [inline]
RIP: 0010:set_bit include/asm-generic/bitops/instrumented-atomic.h:29 [inline]
RIP: 0010:do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Code: fd ff 48 3d 01 f0 ff ff 72 10 e8 dc 1c d2 ff 49 83 ee 01 73 78 e9 87 00 00 00 49 89 c4 48 89 c7 be 08 00 00 00 e8 d1 ba 17 00 <f0> 41 80 4c 24 03 10 4c 89 e7 48 83 c7 34 be 04 00 00 00 e8 b9 ba
RSP: 0018:ffffc90000a27878 EFLAGS: 00010246
RAX: ffff8881176c6500 RBX: 0000000000000080 RCX: ffff8881176c6540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a278c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000007f R14: 0000000000000000 R15: ffff88810b34f650
FS:  00007f28c0f89880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012e693000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	72 10                	jb     0x18
   8:	e8 dc 1c d2 ff       	call   0xffd21ce9
   d:	49 83 ee 01          	sub    $0x1,%r14
  11:	73 78                	jae    0x8b
  13:	e9 87 00 00 00       	jmp    0x9f
  18:	49 89 c4             	mov    %rax,%r12
  1b:	48 89 c7             	mov    %rax,%rdi
  1e:	be 08 00 00 00       	mov    $0x8,%esi
  23:	e8 d1 ba 17 00       	call   0x17baf9
* 28:	f0 41 80 4c 24 03 10 	lock orb $0x10,0x3(%r12) <-- trapping instruction
  2f:	4c 89 e7             	mov    %r12,%rdi
  32:	48 83 c7 34          	add    $0x34,%rdi
  36:	be 04 00 00 00       	mov    $0x4,%esi
  3b:	e8                   	.byte 0xe8
  3c:	b9                   	.byte 0xb9
  3d:	ba                   	.byte 0xba

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:87 [inline]
BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
BUG: KASAN: null-ptr-deref in do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Write of size 8 at addr 0000000000000000 by task udevd/409

CPU: 0 PID: 409 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_write include/linux/instrumented.h:87 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
 force_page_cache_ra mm/readahead.c:360 [inline]
 page_cache_sync_ra+0x32b/0x3d0 mm/readahead.c:751
 page_cache_sync_readahead include/linux/pagemap.h:1259 [inline]
 filemap_get_pages mm/filemap.c:2706 [inline]
 filemap_read+0x6b6/0x23c0 mm/filemap.c:2801
 blkdev_read_iter+0x439/0x580 block/fops.c:668
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x46e/0x930 fs/read_write.c:470
 ksys_read+0x14a/0x260 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f28c08a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc9ccea3a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f28c0f89880 RCX: 00007f28c08a7407
RDX: 0000000000000200 RSI: 00007f28c0f7f000 RDI: 0000000000000009
RBP: 0000564b6ff82790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000080000 R14: 0000564b6ff83b48 R15: 00007f28c10b039c
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000003
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 409 Comm: udevd Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:arch_set_bit include/linux/instrumented.h:87 [inline]
RIP: 0010:set_bit include/asm-generic/bitops/instrumented-atomic.h:29 [inline]
RIP: 0010:do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Code: fd ff 48 3d 01 f0 ff ff 72 10 e8 dc 1c d2 ff 49 83 ee 01 73 78 e9 87 00 00 00 49 89 c4 48 89 c7 be 08 00 00 00 e8 d1 ba 17 00 <f0> 41 80 4c 24 03 10 4c 89 e7 48 83 c7 34 be 04 00 00 00 e8 b9 ba
RSP: 0018:ffffc90000a27878 EFLAGS: 00010246
RAX: ffff8881176c6500 RBX: 0000000000000080 RCX: ffff8881176c6540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a278c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000007f R14: 0000000000000000 R15: ffff88810b34f650
FS:  00007f28c0f89880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012e693000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 force_page_cache_ra mm/readahead.c:360 [inline]
 page_cache_sync_ra+0x32b/0x3d0 mm/readahead.c:751
 page_cache_sync_readahead include/linux/pagemap.h:1259 [inline]
 filemap_get_pages mm/filemap.c:2706 [inline]
 filemap_read+0x6b6/0x23c0 mm/filemap.c:2801
 blkdev_read_iter+0x439/0x580 block/fops.c:668
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x46e/0x930 fs/read_write.c:470
 ksys_read+0x14a/0x260 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f28c08a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc9ccea3a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f28c0f89880 RCX: 00007f28c08a7407
RDX: 0000000000000200 RSI: 00007f28c0f7f000 RDI: 0000000000000009
RBP: 0000564b6ff82790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000080000 R14: 0000564b6ff83b48 R15: 00007f28c10b039c
 </TASK>
Modules linked in:
CR2: 0000000000000003
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_set_bit include/linux/instrumented.h:87 [inline]
RIP: 0010:set_bit include/asm-generic/bitops/instrumented-atomic.h:29 [inline]
RIP: 0010:do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Code: fd ff 48 3d 01 f0 ff ff 72 10 e8 dc 1c d2 ff 49 83 ee 01 73 78 e9 87 00 00 00 49 89 c4 48 89 c7 be 08 00 00 00 e8 d1 ba 17 00 <f0> 41 80 4c 24 03 10 4c 89 e7 48 83 c7 34 be 04 00 00 00 e8 b9 ba
RSP: 0018:ffffc90000a27878 EFLAGS: 00010246
RAX: ffff8881176c6500 RBX: 0000000000000080 RCX: ffff8881176c6540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a278c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000007f R14: 0000000000000000 R15: ffff88810b34f650
FS:  00007f28c0f89880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012e693000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	72 10                	jb     0x18
   8:	e8 dc 1c d2 ff       	call   0xffd21ce9
   d:	49 83 ee 01          	sub    $0x1,%r14
  11:	73 78                	jae    0x8b
  13:	e9 87 00 00 00       	jmp    0x9f
  18:	49 89 c4             	mov    %rax,%r12
  1b:	48 89 c7             	mov    %rax,%rdi
  1e:	be 08 00 00 00       	mov    $0x8,%esi
  23:	e8 d1 ba 17 00       	call   0x17baf9
* 28:	f0 41 80 4c 24 03 10 	lock orb $0x10,0x3(%r12) <-- trapping instruction
  2f:	4c 89 e7             	mov    %r12,%rdi
  32:	48 83 c7 34          	add    $0x34,%rdi
  36:	be 04 00 00 00       	mov    $0x4,%esi
  3b:	e8                   	.byte 0xe8
  3c:	b9                   	.byte 0xb9
  3d:	ba                   	.byte 0xba