Extracting prog: 2m18.303946192s
Minimizing prog: 1m52.311435889s
Simplifying prog options: 0s
Extracting C: 27.525255861s
Simplifying C: 7m47.593667327s


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$ext4-mkdirat-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$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")
mkdirat(0xffffffffffffff9c, &(0x7f00000000a0)='./dev\x00', 0x1ff)
syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x45, &(0x7f0000000740)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0xdcf6}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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")

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {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$ext4-mkdirat-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$eJzs3V2IXGcdB+D/md1N87E1H7Zqa2xWQ20gdGez2YREvLDEj1qTWlG8CIWwZKe7IbM7a3YD3algizeiIII3IggVe2FFNJCbSqntRYs3Ckr9oKIxoIIIRSsFEdSRdz620+akCe7uHJrzPHBm3/Oe2X3f2eE355w57zkngNIaSw9ZxGhEXIyI7Z3Z1z9hrPOjefDCXJqyaLU+/bes/byZgxfmek/t/d629DAcsTkidh3LYu/Ile0urTTPTtfrtXPd+ery/GJ1aaV595n56dnabG3h0JGpo5OHp45Mrd9rnfjZ1lv/fOf9l594/p///tZvDv8g9Xe0u6z/dayXsRjr/k9GYmdf/XAWcd96N1aQoc5bHXf21WXDBXaI69Zq7fp+ev/eHhF72/nfHkPRefNeevrBf2yPX91bdB+BjdPqyV/8Sgu4YVXa28BZZTwiOuVKZXy8sw1/S2yt1BtLy/sfapxfmOlsK++IkcpDZ+q1ie6+wo4YydL8gXb5tfnJN8wfjGhvA39paEt7fvx0oz4z6A87oG004tLFz53etO0N+f/LUCf/wI0r5f+XLzz1bCq/OlR0b4BBSvn/3qvznwj5h9KRfygv+Yfykn8oL/mH8pJ/KC/5h/KSfygv+Yfykn8or17+HzhxIh44caLV7J7/vtCYPXN2bvHo5MT4/PnT46cb5xbHZxuN2fYZO/PX/rv1RmPxwGScf7i6XFtari6tNE/NN84vLJ9qn9d/qpZzKQCgACcvb75v557nXsoi4tEPbGlPyabuclmFG1urlUXR5yADxbDrD+XlUm1QXvbxgewayzdfbUF9/fsCDEal6A4AhbnrNsf/oKx8/w/l5ft/KC/b+IDv/6F8fP8P5TV6lft/3dx3766JiHhbRPx0aOSm3r2+gLeU1+3qj0ZcuvSdz1ZX78OtoKCgsFoo7oMKGIzXQl90T4CizBy8MNebBtXmM7ODagnI8/I9nUFAKffN7tRZMrx6bGBkg8YJ7bwjPf7o94/vmxtKU3Q/hzagKSDHo49FxLvy1v9Z+9jAju7zdnWeFrdExK0R8Y6IeOca2/7GpyLG4oVaf538w+Bcb/5vi4i0ur49It4dEbsj4j1rbPsXF1P+f72lv07+oRw+/3zRPQCK8vGniu4BUJSTxhhAaX33kaJ7ABTl6R8W3QOgKF99segeQLk9d09ETOQd/6u0j/f3jHSvC3hT91oAWyJia0Rs655DeHP3HMHtfccMr+XUJyPG4o4f99c5/geD0xv/17xi/F9ldfzfUETsWUMbz3xw9Ct59dO7U/6feKQ3/i9Nqf3eWEBgY738WMTtufnPVsf8ZpFyGvHe/7ONsS9cfjKv/sX7098d+bn8QzFa3454f+TnvyeVqsvzi9Wllebd7ft4z9YWDh2ZOjp5eOrIVLV9iZBq70IhOY7//ZX9efW/m0z5/+Yh+YdipPX/1qvkv3/7/31raOPY1798Mq9+9I8p/7ufffP8V/66KftMe753X4KHp5eXzx2I2JQdv7J+cg0dhRtcLyO9DKX879ubv/+/q/s7af1/LCI+nLYXIuI/EfHfiPhIRHw0Ij4WEfe+SZtfu2v2cl79H55M+X/8rPU/FCPlf+Ya6//0819raGP/vp98Ma/+Q3tS/sd/+6fjDw6nSf4BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA1t/SSvPsdL1eO7eBhaJfIwAAAAAAAJTF/wIAAP//d8Uzog==")
mkdirat(0xffffffffffffff9c, &(0x7f00000000a0)='./dev\x00', 0x1ff)
syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x45, &(0x7f0000000740)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0xdcf6}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=1m38.748744364s, {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$ext4-mkdirat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$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")
mkdirat(0xffffffffffffff9c, &(0x7f00000000a0)='./dev\x00', 0x1ff)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing program (duration=1m38.748744364s, {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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$eJzs3V2IXGcdB+D/md1N87E1H7Zqa2xWQ20gdGez2YREvLDEj1qTWlG8CIWwZKe7IbM7a3YD3algizeiIII3IggVe2FFNJCbSqntRYs3Ckr9oKIxoIIIRSsFEdSRdz620+akCe7uHJrzPHBm3/Oe2X3f2eE355w57zkngNIaSw9ZxGhEXIyI7Z3Z1z9hrPOjefDCXJqyaLU+/bes/byZgxfmek/t/d629DAcsTkidh3LYu/Ile0urTTPTtfrtXPd+ery/GJ1aaV595n56dnabG3h0JGpo5OHp45Mrd9rnfjZ1lv/fOf9l594/p///tZvDv8g9Xe0u6z/dayXsRjr/k9GYmdf/XAWcd96N1aQoc5bHXf21WXDBXaI69Zq7fp+ev/eHhF72/nfHkPRefNeevrBf2yPX91bdB+BjdPqyV/8Sgu4YVXa28BZZTwiOuVKZXy8sw1/S2yt1BtLy/sfapxfmOlsK++IkcpDZ+q1ie6+wo4YydL8gXb5tfnJN8wfjGhvA39paEt7fvx0oz4z6A87oG004tLFz53etO0N+f/LUCf/wI0r5f+XLzz1bCq/OlR0b4BBSvn/3qvznwj5h9KRfygv+Yfykn8oL/mH8pJ/KC/5h/KSfygv+Yfykn8or17+HzhxIh44caLV7J7/vtCYPXN2bvHo5MT4/PnT46cb5xbHZxuN2fYZO/PX/rv1RmPxwGScf7i6XFtari6tNE/NN84vLJ9qn9d/qpZzKQCgACcvb75v557nXsoi4tEPbGlPyabuclmFG1urlUXR5yADxbDrD+XlUm1QXvbxgewayzdfbUF9/fsCDEal6A4AhbnrNsf/oKx8/w/l5ft/KC/b+IDv/6F8fP8P5TV6lft/3dx3766JiHhbRPx0aOSm3r2+gLeU1+3qj0ZcuvSdz1ZX78OtoKCgsFoo7oMKGIzXQl90T4CizBy8MNebBtXmM7ODagnI8/I9nUFAKffN7tRZMrx6bGBkg8YJ7bwjPf7o94/vmxtKU3Q/hzagKSDHo49FxLvy1v9Z+9jAju7zdnWeFrdExK0R8Y6IeOca2/7GpyLG4oVaf538w+Bcb/5vi4i0ur49It4dEbsj4j1rbPsXF1P+f72lv07+oRw+/3zRPQCK8vGniu4BUJSTxhhAaX33kaJ7ABTl6R8W3QOgKF99segeQLk9d09ETOQd/6u0j/f3jHSvC3hT91oAWyJia0Rs655DeHP3HMHtfccMr+XUJyPG4o4f99c5/geD0xv/17xi/F9ldfzfUETsWUMbz3xw9Ct59dO7U/6feKQ3/i9Nqf3eWEBgY738WMTtufnPVsf8ZpFyGvHe/7ONsS9cfjKv/sX7098d+bn8QzFa3454f+TnvyeVqsvzi9Wllebd7ft4z9YWDh2ZOjp5eOrIVLV9iZBq70IhOY7//ZX9efW/m0z5/+Yh+YdipPX/1qvkv3/7/31raOPY1798Mq9+9I8p/7ufffP8V/66KftMe753X4KHp5eXzx2I2JQdv7J+cg0dhRtcLyO9DKX879ubv/+/q/s7af1/LCI+nLYXIuI/EfHfiPhIRHw0Ij4WEfe+SZtfu2v2cl79H55M+X/8rPU/FCPlf+Ya6//0819raGP/vp98Ma/+Q3tS/sd/+6fjDw6nSf4BAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA1t/SSvPsdL1eO7eBhaJfIwAAAAAAAJTF/wIAAP//d8Uzog==")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
extracting C reproducer
testing compiled C program (duration=1m38.748744364s, {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$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
simplifying C reproducer
testing compiled C program (duration=1m38.748744364s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=1m38.748744364s, {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$ext4
program did not crash
testing compiled C program (duration=1m38.748744364s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=1m38.748744364s, {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$ext4
program did not crash
testing compiled C program (duration=1m38.748744364s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=1m38.748744364s, {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$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing program (duration=1m38.748744364s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=1m38.748744364s, {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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=1m38.748744364s, {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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000005c0)='ext4\x00', &(0x7f0000000600)='./file0\x00', 0x10000, &(0x7f00000000c0)={[{@oldalloc}]}, 0x1, 0x5bc, &(0x7f0000001440)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
reproducing took 17m59.612143044s
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/398

CPU: 0 PID: 398 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: 0033:0x7f739d6a7407
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:00007ffeaec4ad30 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f739de97880 RCX: 00007f739d6a7407
RDX: 0000000000000200 RSI: 00007f739de95000 RDI: 0000000000000009
RBP: 0000560ad7dce790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000003e00 R14: 0000560ad7de98a8 R15: 00007f739dfbe39c
 </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: 398 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:ffffc90000aa7878 EFLAGS: 00010246
RAX: ffff88811317d100 RBX: 0000000000000003 RCX: ffff88811317d100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000003c R14: 0000000000000000 R15: ffff88810b6dd850
FS:  00007f739de97880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012d068000 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: 0033:0x7f739d6a7407
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:00007ffeaec4ad30 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f739de97880 RCX: 00007f739d6a7407
RDX: 0000000000000200 RSI: 00007f739de95000 RDI: 0000000000000009
RBP: 0000560ad7dce790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000003e00 R14: 0000560ad7de98a8 R15: 00007f739dfbe39c
 </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:ffffc90000aa7878 EFLAGS: 00010246
RAX: ffff88811317d100 RBX: 0000000000000003 RCX: ffff88811317d100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000003c R14: 0000000000000000 R15: ffff88810b6dd850
FS:  00007f739de97880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012d068000 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/398

CPU: 0 PID: 398 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: 0033:0x7f739d6a7407
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:00007ffeaec4ad30 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f739de97880 RCX: 00007f739d6a7407
RDX: 0000000000000200 RSI: 00007f739de95000 RDI: 0000000000000009
RBP: 0000560ad7dce790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000003e00 R14: 0000560ad7de98a8 R15: 00007f739dfbe39c
 </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: 398 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:ffffc90000aa7878 EFLAGS: 00010246
RAX: ffff88811317d100 RBX: 0000000000000003 RCX: ffff88811317d100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000003c R14: 0000000000000000 R15: ffff88810b6dd850
FS:  00007f739de97880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012d068000 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: 0033:0x7f739d6a7407
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:00007ffeaec4ad30 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f739de97880 RCX: 00007f739d6a7407
RDX: 0000000000000200 RSI: 00007f739de95000 RDI: 0000000000000009
RBP: 0000560ad7dce790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000003e00 R14: 0000560ad7de98a8 R15: 00007f739dfbe39c
 </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:ffffc90000aa7878 EFLAGS: 00010246
RAX: ffff88811317d100 RBX: 0000000000000003 RCX: ffff88811317d100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 000000000000003c R14: 0000000000000000 R15: ffff88810b6dd850
FS:  00007f739de97880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012d068000 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