Extracting prog: 1m26.67446951s Minimizing prog: 2m49.649675178s Simplifying prog options: 0s Extracting C: 59.074763842s Simplifying C: 6m4.12145336s 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$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x8, &(0x7f0000000080), 0x4, 0x526, &(0x7f0000000700)="$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") openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0/file0\x00', 0x10b442, 0x0) syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x8, &(0x7f0000000080), 0x4, 0x526, &(0x7f0000000700)="$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") openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0/file0\x00', 0x10b442, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file2\x00', 0x8, &(0x7f0000000080), 0x4, 0x526, &(0x7f0000000700)="$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") syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$eJzs3c9vFFUcAPDvm92WH0VbjIkCB5uQCIna0oLRGBMh4s2DP0g8eahtIYQFGloTQYyQ4NmL/gEm3rwYj8QYol68ejPxDzBEYrAXbzWznSml3W272DLY+XySYebN2833Tem3b+btm9kAams4/yeL2BcRMylicFldM4rK4cXX/X336uT83auTKRYW3v0rRSr2la9PxXqgePPOiPj1xxRPNFbHnb185dxEqzV9qSiPzp2fGZ29fOWFs+cnzkyfmb4wPvbS2IvHjo4fO9K17fs/3/hx7omIn0dONm+cfv3At5Nf7/30+29upjje3h8rjmOzDMfw0s9kufzn+vJmB6tIY8U6l5oVNYaeNYrfx76IeCoGoxH3/vMG47O3K20csKUWUsQCUFNJ/kNNlecB+fVvuVR7RgI8LHdOLA4AlGN780v531wcG4yd7bGB3fMplg/rpIjoPjK3cXmMmWfTYL7EFo3DAZ1dux4RT3fq/1M7N4fao/h5/mf35X8WEW8V63z/Ow8Yf3hFWf7Dw/Og+d9frMv8/+AB48t/AAAAAAAA2Dy3TkTE850+/8uW5v9Eh/k/AxFxfBPir//5X3Z7E8IAHdw5EfFqRMyvmv+XlS8ZahSlx9rzAfrS6bOt6SMR8XhEHI6+HXl5bI0Ywwd+6etat2z+X77k8cu5gEU7bjd33P+eqYm5if9yzMCiO9cj9jfz/E9xf/6npf4/dej/878HMxuMsXDytZ+61a2f/8BWWfgq4lDH/v/ekyvS2s/nGG2fD4yWZwWrffz+ze+6xe+c/9e24EiBlfL+f/fa+T+Ulj+vZ7b3GJ/8+XuP+b/++X9/OtV+5Ew5D/mjibm5S2MR/enN1fvHe28zbAsrnsVU5kOZL3n+Hz7Y+fp/rfP/XRGx0V761A9v3OhW5/wfqpPn/1RP/X/vGwff+/KfbvE31v8fa/fph4s9xv9gbRtN0KrbCQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD/R1lE7ImUjSxtZ9nISMRARDwZu7PWxdm5505f/PDCVF7X/v7/rPym38HFciq//39oWXl8RfloROyNiC8au9rlkcmLramqDx4AAAAAAAAAAAAAAAAAAAAeEQNd7v/P/dGounXAlmtW3QCgMvIf6kv+Q331mP99W9UO4OHT/0N9yX+oL/kP9SX/ob7y/N9ZdSOASuj/AQAAAABgW9n7zK3fUkRce2VXe8n1F3Xm+cP2llXdAKAyHvED9WXqD9SXa3wgrVPf/faA9d4JAAAAAAAAAAAAAGyWQ/vc/w915f5/qC/3/0N9uf8f6ss1PuD+fwAAAAAAAAAAAAB49M1evnJuotWavlTFxo6iEdVEt2Gjqo14NJqx1kbFf5gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAl/wYAAP//esD1Ug==") program did not crash validation run: crashed=false testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000740)={[{@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0xca}}, {@noauto_da_alloc}, {@inlinecrypt}]}, 0x0, 0x59b, &(0x7f0000000bc0)="$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") program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra validation run: crashed=true reproducing took 15m11.455852862s 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/408 CPU: 0 PID: 408 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: __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: 0033:0x7f80d0aa7407 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:00007fff0ae75180 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f80d114c880 RCX: 00007f80d0aa7407 RDX: 0000000000000200 RSI: 00007f80d113f000 RDI: 0000000000000009 RBP: 000056423f115790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6 R13: 000000000000fe00 R14: 000056423f11ffe8 R15: 00007f80d121139c ================================================================== 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: 408 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 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: ffff88811827bc00 RBX: 000000000000000f RCX: ffff88811827bcc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000 R13: 0000000000000070 R14: 0000000000000000 R15: ffff88810048ab50 FS: 00007f80d114c880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 000000012ebbb000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f80d0aa7407 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:00007fff0ae75180 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f80d114c880 RCX: 00007f80d0aa7407 RDX: 0000000000000200 RSI: 00007f80d113f000 RDI: 0000000000000009 RBP: 000056423f115790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6 R13: 000000000000fe00 R14: 000056423f11ffe8 R15: 00007f80d121139c 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 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: ffff88811827bc00 RBX: 000000000000000f RCX: ffff88811827bcc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000 R13: 0000000000000070 R14: 0000000000000000 R15: ffff88810048ab50 FS: 00007f80d114c880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 000000012ebbb000 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 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/408 CPU: 0 PID: 408 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: __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: 0033:0x7f80d0aa7407 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:00007fff0ae75180 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f80d114c880 RCX: 00007f80d0aa7407 RDX: 0000000000000200 RSI: 00007f80d113f000 RDI: 0000000000000009 RBP: 000056423f115790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6 R13: 000000000000fe00 R14: 000056423f11ffe8 R15: 00007f80d121139c ================================================================== 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: 408 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 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: ffff88811827bc00 RBX: 000000000000000f RCX: ffff88811827bcc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000 R13: 0000000000000070 R14: 0000000000000000 R15: ffff88810048ab50 FS: 00007f80d114c880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 000000012ebbb000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f80d0aa7407 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:00007fff0ae75180 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f80d114c880 RCX: 00007f80d0aa7407 RDX: 0000000000000200 RSI: 00007f80d113f000 RDI: 0000000000000009 RBP: 000056423f115790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000001f6 R13: 000000000000fe00 R14: 000056423f11ffe8 R15: 00007f80d121139c 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 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: ffff88811827bc00 RBX: 000000000000000f RCX: ffff88811827bcc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000aa78c8 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: 0000000000000000 R13: 0000000000000070 R14: 0000000000000000 R15: ffff88810048ab50 FS: 00007f80d114c880(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 000000012ebbb000 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 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