Extracting prog: 6m43.179039838s
Minimizing prog: 17m12.328780494s
Simplifying prog options: 0s
Extracting C: 1m53.792002439s
Simplifying C: 14m45.089631718s


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$ext4-openat-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x0)
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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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$ext4-openat-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x0)
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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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=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$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x0)

program did not crash
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$ext4-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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")

program did not crash
extracting C reproducer
testing compiled C 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$ext4-syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
simplifying C reproducer
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing compiled C program (duration=6m0s, {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$ext4-syz_mount_image$ext4
program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing program (duration=6m0s, {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$ext4-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$eJzs3c+PG1cdAPDvzP5yk7SbQA9QAQlQCCiKnXXaqOql5QJCVSVExQFxSJddZ7XEjkPsLd0lUrd/A0ggcYI/gQMSB6SeOHDjiMQBEOWAVCACJUgcBs3Yu+ts7MSNvXaz/nykybyZN+Pve/bOvOdnxy+AmXUuInYjYjEi3oyI5e7+pLvEq50lP+7undtr9+7cXksiy974Z1Lk5/ui55zcye5jliLim1+L+G7yYNzW9s711Xq9dqu7XWk3blZa2zsXNxurG7WN2o1q9crKlUsvXX6xOra6nm388oOvbr72rd/8+tPv/373yz/Mi3Wqm9dbj3HqVH1hP05uPiJeO4pgUzDXXS9OuRw8njQiPhYRnyuu/+WYK/46AYDjLMuWI1vu3QYAjru0GANL0nJEpGm3E1DujOE9GyfSerPVvnCtuXVjvTNWdjoW0mub9dqlM0t//H5x8EKSb68UeUV+sV09tH05Is5ExI+Xniq2y2vN+vp0ujwAMPNO9rb/EfGfpTQtl4c6tc+negDAE6M07QIAABOn/QeA2aP9B4DZM0T73/2wf/fIywIATIb3/wAwe7T/ADB7tP8AMFO+8frr+ZLd6/7+9fpb21vXm29dXK+1rpcbW2vlteatm+WNZnOj+M2exqMer95s3lx5IbberrRrrXaltb1ztdHcutG+Wvyu99XawkRqBQA8zJmz7/0hiYjdl58qluiZy0FbDcdbOsajgCfL3Cgn6yDAE81sXzC7hmrCi07C7468LMB09P0x71Lf5P1++iGC+J4RfKSc/+Tw4//meIbjxcg+zK7HG/9/ZezlACbvscf//zzecgCTl2XJ4Tn/F/ezAIBjaYSv8GXvjKsTAkzVoybzHsvn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHDMnIqI70WSlou5wNP837Rcjng6Ik7HQnJts167FBHPxNmIWFjKt1emXWgAYETp35Pu/F/nl58/dTh3MfnvUrGOiB/87I2fvL3abt9ayff/a3//0t70YdWD80aYVxAAGN5fhzmoaL+r3XXPG/m7d26v7S1HWMYHfPCV/clH1+7duV0snZz5yLIsiygVfYkT/05ivntOKSKei4i5McTffTciPtGv/kkxNnK6O/Npb/zoxn56ovHT++KnRV5nnT99Hx9DWWDWvJfff149fP3NFVfWueKI/td/qbhDja64/5Ui9u59B/e/veu9VJTmcPz8mj83bIwXfvv1B3Zmy528dyOem+8XP9mPnwyI//yQ8f/0qc/86JUBednPI85H//i9sSrtxs1Ka3vn4mZjdaO2UbtRrV5ZuXLppcsvVivFGHVlb6T6Qf94+cIzg8qW1//EgPidV/7kofov7p/7hSHr/4v/vfmdzx5sLh2O/6XP93/9ny3W/Z//vE384pDxV0/8auD03Xn89QH1f9Trf2HI+O//bWd9yEMBgAlobe9cX63Xa7dGSuTvQj/8WVmWvZOX4SHH5NnDPeBed3G06vwlisTB05JEEqM/P/cn8s7YMAcvjFyd+xJ7wyXjrk6fxPx+X3G8j/zth/+1DEosjhI0HXstHicRp7uJu5MKOpXbETBBBxf9tEsCAAAAAAAAAAAAAAAMMon/wzTtOgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHB8/T8AAP//Z1e+LQ==")
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=6m0s, {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$ext4-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=6m0s, {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$ext4-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000240)={[{@nodiscard}, {@jqfmt_vfsv1}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}, {@dioread_nolock}, {@grpid}]}, 0x1, 0x571, &(0x7f0000000780)="$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")
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000300)='./file0\x00', 0x408003, &(0x7f0000000200)={[{@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x5}}, {@noblock_validity}, {@usrquota}, {@grpjquota}, {@nogrpid}, {@errors_remount}, {@grpjquota}, {@i_version}, {@resuid, 0x32}]}, 0x1b, 0x4f0, &(0x7f0000000a40)="$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")

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
reproducing took 44m31.022971112s
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/399

CPU: 0 PID: 399 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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: 0033:0x7f66fe6a7407
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:00007ffe562eee40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f66fedf6880 RCX: 00007f66fe6a7407
RDX: 0000000000000200 RSI: 00007f66fedeb000 RDI: 0000000000000009
RBP: 00005647665af790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6
R13: 0000000000007e00 R14: 00005647665b58d8 R15: 00007f66fef1d39c
 </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: 1 PID: 399 Comm: udevd Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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 7c 1e 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:ffffc90000af7878 EFLAGS: 00010246
RAX: ffff888116050000 RBX: 0000000000000007 RCX: ffff888116050000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000af78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 0000000000000038 R14: 0000000000000000 R15: ffff88810048d0d0
FS:  00007f66fedf6880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012a4ea000 CR4: 00000000003506a0
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: 0033:0x7f66fe6a7407
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:00007ffe562eee40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f66fedf6880 RCX: 00007f66fe6a7407
RDX: 0000000000000200 RSI: 00007f66fedeb000 RDI: 0000000000000009
RBP: 00005647665af790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6
R13: 0000000000007e00 R14: 00005647665b58d8 R15: 00007f66fef1d39c
 </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 7c 1e 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:ffffc90000af7878 EFLAGS: 00010246
RAX: ffff888116050000 RBX: 0000000000000007 RCX: ffff888116050000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000af78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 0000000000000038 R14: 0000000000000000 R15: ffff88810048d0d0
FS:  00007f66fedf6880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012a4ea000 CR4: 00000000003506a0
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 7c 1e d2 ff       	call   0xffd21e89
   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/399

CPU: 0 PID: 399 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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: 0033:0x7f66fe6a7407
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:00007ffe562eee40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f66fedf6880 RCX: 00007f66fe6a7407
RDX: 0000000000000200 RSI: 00007f66fedeb000 RDI: 0000000000000009
RBP: 00005647665af790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6
R13: 0000000000007e00 R14: 00005647665b58d8 R15: 00007f66fef1d39c
 </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: 1 PID: 399 Comm: udevd Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
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 7c 1e 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:ffffc90000af7878 EFLAGS: 00010246
RAX: ffff888116050000 RBX: 0000000000000007 RCX: ffff888116050000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000af78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 0000000000000038 R14: 0000000000000000 R15: ffff88810048d0d0
FS:  00007f66fedf6880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012a4ea000 CR4: 00000000003506a0
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: 0033:0x7f66fe6a7407
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:00007ffe562eee40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f66fedf6880 RCX: 00007f66fe6a7407
RDX: 0000000000000200 RSI: 00007f66fedeb000 RDI: 0000000000000009
RBP: 00005647665af790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6
R13: 0000000000007e00 R14: 00005647665b58d8 R15: 00007f66fef1d39c
 </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 7c 1e 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:ffffc90000af7878 EFLAGS: 00010246
RAX: ffff888116050000 RBX: 0000000000000007 RCX: ffff888116050000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000af78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000
R13: 0000000000000038 R14: 0000000000000000 R15: ffff88810048d0d0
FS:  00007f66fedf6880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000012a4ea000 CR4: 00000000003506a0
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 7c 1e d2 ff       	call   0xffd21e89
   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