Extracting prog: 1m16.938614392s
Minimizing prog: 18m14.529203543s
Simplifying prog options: 3m3.121388043s
Extracting C: 26.224614439s
Simplifying C: 0s


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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program crashed: KASAN: use-after-free Read in ext4_find_extent
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r0, &(0x7f0000000180), 0x40010)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$eJzs3ctrW1caAPBPUvyMZ/KYYUgyMAlkIPMglh8MsWdmM6uZWQSGCXTTQuraiutatowlp7EJ1Gl3WXRRWlooXXRZ6D/QbppVQ6F03e5LFiWlTV1oCwUVXUmO/JArGjsC398PbnTuOTf6zrH4jq+OrnUDSK1ztX8yEUMR8UlEHKvvbj3gXP1h48HN6dqWiWr1yleZ5LjafvPQ5v87GhHrEdEfEf//d8QzmZ1xy6tr81PFYmG5sZ+vLCzly6trF+cWpmYLs4XF0YlLk5MTI+Njk/s21tsvP3f78vv/7X33u5fu333lww9q3RpqtLWOYz/Vh94TJ1rqjkTEPw8iWBfkGuMZ6HZH+EVqr99vIuJ8kv/HIpe8mkAaVKvV6o/VvnbN61Xg0Mom58CZ7HBE1MvZ7PBw/Rz+tzGYLZbKlb9eK60sztTPlY9HT/baXLEw0nivcDx6MrX90aT8cH9s2/54RHIO/GpuINkfni4VZx7vVAdsc3Rb/n+bq+c/kBLe8kN6yX9IL/kP6SX/Ib3kP6SX/If0kv+QXvIf0kv+Q3rJf0gv+Q+p9L/Ll2tbtfn37zPXV1fmS9cvzhTK88MLK9PD06XlGJ4t9b3X2fMVS6Wl0b/Fyo18pVCu5Mura1cXSiuLlatzC1OzvVHoOeDxAJ07cfbOZ5mIWP/7QLLV9Dba5CocbtUX6t8BAKRPrtsTENA1lv4gvbzHB3b5it4t+ts1LD1S1J8LCxygbLc7AHTNhdM+/4O0sv4P6WX9H9Jr6zm+swFIo+6s/wPdZP0f0muo5f4/mZb7f/2q5d5dIxHx64j4NNfT17zXF3AYZL/INHL/wrE/Dm1v7c18nywK9EbE829eef3GVKWyPFqr/3qzvvJGvb63G90HOpbk71jj0S9yAEi1jQc3p5vbZuXxg4/75b/qFyHsjH+ksTbZn3xGObiR2XKtQmafrl1YvxURp3aLn2nc77z+ycfgRm5H/JONx0z9KZL+Hknum/4o8e+902n80y3x/9AS/8wj/1QgHe7U5p+R3fI/m+R0bObf1vlnaJ+uj24//2U3579cm/nvbIcxnn3rxXtt49+KOLNr/Ga8/iTW9vi1vl3oMP79p574Xbu26tv159ktflOtlK8sLOXLq2sX5xamZguzhcXRiUuTkxMj42OT+WSNOt9cqd7pH6c+vrvX+AfbxN9r/LW6P3c4/h9+/9GT5/aI/6fzu7/+J/eIPxARf+kw/jdjnz/drq0Wf6bN+LPb47cs8NXqxjuMX37tP30dHgoAPAbl1bX5qWKxsKygoKCwWej2zAQctIdJ3+2eAAAAAAAAAAAAAJ16HJcTd3uMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHwU8BAAD//zAx0oQ=")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
write$cgroup_type(0xffffffffffffffff, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$eJzs3ctrW1caAPBPUvyMZ/KYYUgyMAlkIPMglh8MsWdmM6uZWQSGCXTTQuraiutatowlp7EJ1Gl3WXRRWlooXXRZ6D/QbppVQ6F03e5LFiWlTV1oCwUVXUmO/JArGjsC398PbnTuOTf6zrH4jq+OrnUDSK1ztX8yEUMR8UlEHKvvbj3gXP1h48HN6dqWiWr1yleZ5LjafvPQ5v87GhHrEdEfEf//d8QzmZ1xy6tr81PFYmG5sZ+vLCzly6trF+cWpmYLs4XF0YlLk5MTI+Njk/s21tsvP3f78vv/7X33u5fu333lww9q3RpqtLWOYz/Vh94TJ1rqjkTEPw8iWBfkGuMZ6HZH+EVqr99vIuJ8kv/HIpe8mkAaVKvV6o/VvnbN61Xg0Mom58CZ7HBE1MvZ7PBw/Rz+tzGYLZbKlb9eK60sztTPlY9HT/baXLEw0nivcDx6MrX90aT8cH9s2/54RHIO/GpuINkfni4VZx7vVAdsc3Rb/n+bq+c/kBLe8kN6yX9IL/kP6SX/Ib3kP6SX/If0kv+QXvIf0kv+Q3rJf0gv+Q+p9L/Ll2tbtfn37zPXV1fmS9cvzhTK88MLK9PD06XlGJ4t9b3X2fMVS6Wl0b/Fyo18pVCu5Mura1cXSiuLlatzC1OzvVHoOeDxAJ07cfbOZ5mIWP/7QLLV9Dba5CocbtUX6t8BAKRPrtsTENA1lv4gvbzHB3b5it4t+ts1LD1S1J8LCxygbLc7AHTNhdM+/4O0sv4P6WX9H9Jr6zm+swFIo+6s/wPdZP0f0muo5f4/mZb7f/2q5d5dIxHx64j4NNfT17zXF3AYZL/INHL/wrE/Dm1v7c18nywK9EbE829eef3GVKWyPFqr/3qzvvJGvb63G90HOpbk71jj0S9yAEi1jQc3p5vbZuXxg4/75b/qFyHsjH+ksTbZn3xGObiR2XKtQmafrl1YvxURp3aLn2nc77z+ycfgRm5H/JONx0z9KZL+Hknum/4o8e+902n80y3x/9AS/8wj/1QgHe7U5p+R3fI/m+R0bObf1vlnaJ+uj24//2U3579cm/nvbIcxnn3rxXtt49+KOLNr/Ga8/iTW9vi1vl3oMP79p574Xbu26tv159ktflOtlK8sLOXLq2sX5xamZguzhcXRiUuTkxMj42OT+WSNOt9cqd7pH6c+vrvX+AfbxN9r/LW6P3c4/h9+/9GT5/aI/6fzu7/+J/eIPxARf+kw/jdjnz/drq0Wf6bN+LPb47cs8NXqxjuMX37tP30dHgoAPAbl1bX5qWKxsKygoKCwWej2zAQctIdJ3+2eAAAAAAAAAAAAAJ16HJcTd3uMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHwU8BAAD//zAx0oQ=")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r0, &(0x7f0000000180), 0x40010)
pwritev2(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$eJzs3ctrW1caAPBPUvyMZ/KYYUgyMAlkIPMglh8MsWdmM6uZWQSGCXTTQuraiutatowlp7EJ1Gl3WXRRWlooXXRZ6D/QbppVQ6F03e5LFiWlTV1oCwUVXUmO/JArGjsC398PbnTuOTf6zrH4jq+OrnUDSK1ztX8yEUMR8UlEHKvvbj3gXP1h48HN6dqWiWr1yleZ5LjafvPQ5v87GhHrEdEfEf//d8QzmZ1xy6tr81PFYmG5sZ+vLCzly6trF+cWpmYLs4XF0YlLk5MTI+Njk/s21tsvP3f78vv/7X33u5fu333lww9q3RpqtLWOYz/Vh94TJ1rqjkTEPw8iWBfkGuMZ6HZH+EVqr99vIuJ8kv/HIpe8mkAaVKvV6o/VvnbN61Xg0Mom58CZ7HBE1MvZ7PBw/Rz+tzGYLZbKlb9eK60sztTPlY9HT/baXLEw0nivcDx6MrX90aT8cH9s2/54RHIO/GpuINkfni4VZx7vVAdsc3Rb/n+bq+c/kBLe8kN6yX9IL/kP6SX/Ib3kP6SX/If0kv+QXvIf0kv+Q3rJf0gv+Q+p9L/Ll2tbtfn37zPXV1fmS9cvzhTK88MLK9PD06XlGJ4t9b3X2fMVS6Wl0b/Fyo18pVCu5Mura1cXSiuLlatzC1OzvVHoOeDxAJ07cfbOZ5mIWP/7QLLV9Dba5CocbtUX6t8BAKRPrtsTENA1lv4gvbzHB3b5it4t+ts1LD1S1J8LCxygbLc7AHTNhdM+/4O0sv4P6WX9H9Jr6zm+swFIo+6s/wPdZP0f0muo5f4/mZb7f/2q5d5dIxHx64j4NNfT17zXF3AYZL/INHL/wrE/Dm1v7c18nywK9EbE829eef3GVKWyPFqr/3qzvvJGvb63G90HOpbk71jj0S9yAEi1jQc3p5vbZuXxg4/75b/qFyHsjH+ksTbZn3xGObiR2XKtQmafrl1YvxURp3aLn2nc77z+ycfgRm5H/JONx0z9KZL+Hknum/4o8e+902n80y3x/9AS/8wj/1QgHe7U5p+R3fI/m+R0bObf1vlnaJ+uj24//2U3579cm/nvbIcxnn3rxXtt49+KOLNr/Ga8/iTW9vi1vl3oMP79p574Xbu26tv159ktflOtlK8sLOXLq2sX5xamZguzhcXRiUuTkxMj42OT+WSNOt9cqd7pH6c+vrvX+AfbxN9r/LW6P3c4/h9+/9GT5/aI/6fzu7/+J/eIPxARf+kw/jdjnz/drq0Wf6bN+LPb47cs8NXqxjuMX37tP30dHgoAPAbl1bX5qWKxsKygoKCwWej2zAQctIdJ3+2eAAAAAAAAAAAAAJ16HJcTd3uMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHwU8BAAD//zAx0oQ=")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(0x0, 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(0x0, 0x0, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(0x0, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, 0x0, 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(0x0, 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, 0x0, 0x0)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, 0x0, 0x0, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{0x0}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
extracting C reproducer
testing compiled C program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
program crashed: KASAN: use-after-free Write in ext4_ext_remove_space
a never seen crash title: KASAN: use-after-free Write in ext4_ext_remove_space, ignore
simplifying guilty program options
testing program (duration=44.037015337s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=44.037015337s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-getrandom-mount-open-openat$cgroup_ro-openat$cgroup_ro-write$cgroup_type-pwritev2
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@barrier}, {@jqfmt_vfsold}, {@noquota}, {@min_batch_time={'min_batch_time', 0x3d, 0x10}}, {@journal_dev={'journal_dev', 0x3d, 0xd}}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
open(&(0x7f0000007fc0)='./bus\x00', 0x72342, 0xf0)
getrandom(&(0x7f0000000240)=""/286, 0xffffff9a, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000100)='./bus\x00', 0x64842, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0)
r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000580)='memory.events\x00', 0x100002, 0x0)
write$cgroup_type(r1, &(0x7f0000000180), 0x40010)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
reproducing took 23m0.813841259s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbea/0xe30 fs/ext4/extents.c:945
Read of size 4 at addr ffff88812f3b9418 by task syz.0.33/522

CPU: 0 PID: 522 Comm: syz.0.33 Not tainted 5.10.234-syzkaller-00031-gfc9aa81462ee #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
 ext4_find_extent+0xbea/0xe30 fs/ext4/extents.c:945
 ext4_ext_map_blocks+0x26a/0x6ee0 fs/ext4/extents.c:4159
 ext4_map_blocks+0xa65/0x1d10 fs/ext4/inode.c:673
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:816
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:833
 ext4_block_write_begin+0x61e/0x13b0 fs/ext4/inode.c:1100
 ext4_write_begin+0x6fa/0x1730
 ext4_da_write_begin+0x49d/0xf60 fs/ext4/inode.c:3032
 generic_perform_write+0x2cd/0x570 mm/filemap.c:3509
 ext4_buffered_write_iter+0x482/0x610 fs/ext4/file.c:271
 ext4_file_write_iter+0x193/0x1c80 fs/ext4/file.c:685
 call_write_iter include/linux/fs.h:2058 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb4c/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f864d7e3169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f864d234038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f864d9fc080 RCX: 00007f864d7e3169
RDX: 0000000000040010 RSI: 0000400000000180 RDI: 0000000000000006
RBP: 00007f864d8642a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f864d9fc080 R15: 00007fff12239298

The buggy address belongs to the page:
page:ffffea0004bcee40 refcount:1 mapcount:1 mapping:0000000000000000 index:0x400000a80 pfn:0x12f3b9
anon flags: 0x4000000000080014(uptodate|lru|swapbacked)
raw: 4000000000080014 ffffea0004bcee08 ffffea0004bcee88 ffff88810ea44959
raw: 0000000400000a80 0000000000000000 0000000100000000 ffff88811b10e000
page dumped because: kasan: bad access detected
page->mem_cgroup:ffff88811b10e000
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x8100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x8000000), pid 513, ts 31872067369, free_ts 31746022014
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 do_anonymous_page mm/memory.c:3963 [inline]
 handle_pte_fault+0x175a/0x3e10 mm/memory.c:4786
 __handle_mm_fault mm/memory.c:4944 [inline]
 handle_mm_fault+0x11d6/0x1a10 mm/memory.c:5358
 do_user_addr_fault arch/x86/mm/fault.c:1362 [inline]
 handle_page_fault arch/x86/mm/fault.c:1428 [inline]
 exc_page_fault+0x2a6/0x5b0 arch/x86/mm/fault.c:1484
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page_list+0x122/0xb20 mm/page_alloc.c:3443
 release_pages+0xea0/0xef0 mm/swap.c:1103
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:356
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu mm/mmu_gather.c:247 [inline]
 tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:326
 exit_mmap+0x306/0x560 mm/mmap.c:3375
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2793
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Memory state around the buggy address:
 ffff88812f3b9300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812f3b9380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88812f3b9400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                            ^
 ffff88812f3b9480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812f3b9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop0): ext4_map_blocks:739: inode #17: block 20160431034200: comm syz.0.33: lblock 185 mapped to illegal pblock 20160431034200 (length 1)
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 261595830173744, count = 24896
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 249459571690696, count = 14814
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 213103721506572, count = 13745
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 214287580924089, count = 18059
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 66876865059082, count = 17830
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 87168216802914, count = 24112
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 113736314809909, count = 11085
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 231341432843332, count = 20919
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 48882834303042, count = 17611

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbea/0xe30 fs/ext4/extents.c:945
Read of size 4 at addr ffff88812f3b9418 by task syz.0.33/522

CPU: 0 PID: 522 Comm: syz.0.33 Not tainted 5.10.234-syzkaller-00031-gfc9aa81462ee #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:826 [inline]
 ext4_find_extent+0xbea/0xe30 fs/ext4/extents.c:945
 ext4_ext_map_blocks+0x26a/0x6ee0 fs/ext4/extents.c:4159
 ext4_map_blocks+0xa65/0x1d10 fs/ext4/inode.c:673
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:816
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:833
 ext4_block_write_begin+0x61e/0x13b0 fs/ext4/inode.c:1100
 ext4_write_begin+0x6fa/0x1730
 ext4_da_write_begin+0x49d/0xf60 fs/ext4/inode.c:3032
 generic_perform_write+0x2cd/0x570 mm/filemap.c:3509
 ext4_buffered_write_iter+0x482/0x610 fs/ext4/file.c:271
 ext4_file_write_iter+0x193/0x1c80 fs/ext4/file.c:685
 call_write_iter include/linux/fs.h:2058 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb4c/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f864d7e3169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f864d234038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f864d9fc080 RCX: 00007f864d7e3169
RDX: 0000000000040010 RSI: 0000400000000180 RDI: 0000000000000006
RBP: 00007f864d8642a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f864d9fc080 R15: 00007fff12239298

The buggy address belongs to the page:
page:ffffea0004bcee40 refcount:1 mapcount:1 mapping:0000000000000000 index:0x400000a80 pfn:0x12f3b9
anon flags: 0x4000000000080014(uptodate|lru|swapbacked)
raw: 4000000000080014 ffffea0004bcee08 ffffea0004bcee88 ffff88810ea44959
raw: 0000000400000a80 0000000000000000 0000000100000000 ffff88811b10e000
page dumped because: kasan: bad access detected
page->mem_cgroup:ffff88811b10e000
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x8100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x8000000), pid 513, ts 31872067369, free_ts 31746022014
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 do_anonymous_page mm/memory.c:3963 [inline]
 handle_pte_fault+0x175a/0x3e10 mm/memory.c:4786
 __handle_mm_fault mm/memory.c:4944 [inline]
 handle_mm_fault+0x11d6/0x1a10 mm/memory.c:5358
 do_user_addr_fault arch/x86/mm/fault.c:1362 [inline]
 handle_page_fault arch/x86/mm/fault.c:1428 [inline]
 exc_page_fault+0x2a6/0x5b0 arch/x86/mm/fault.c:1484
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page_list+0x122/0xb20 mm/page_alloc.c:3443
 release_pages+0xea0/0xef0 mm/swap.c:1103
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:356
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu mm/mmu_gather.c:247 [inline]
 tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:326
 exit_mmap+0x306/0x560 mm/mmap.c:3375
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2793
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Memory state around the buggy address:
 ffff88812f3b9300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812f3b9380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88812f3b9400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                            ^
 ffff88812f3b9480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88812f3b9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop0): ext4_map_blocks:739: inode #17: block 20160431034200: comm syz.0.33: lblock 185 mapped to illegal pblock 20160431034200 (length 1)
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 261595830173744, count = 24896
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 249459571690696, count = 14814
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 213103721506572, count = 13745
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 214287580924089, count = 18059
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 66876865059082, count = 17830
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 87168216802914, count = 24112
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 113736314809909, count = 11085
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 231341432843332, count = 20919
EXT4-fs error (device loop0): ext4_free_blocks:5685: comm syz.0.33: Freeing blocks not in datazone - block = 48882834303042, count = 17611