Extracting prog: 44.197309997s Minimizing prog: 6m58.925314187s Simplifying prog options: 0s Extracting C: 33.849641923s Simplifying C: 10m47.560146504s extracting reproducer from 41 programs first checking the prog from the crash report 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") mkdir(0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=45.198619729s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") mkdir(0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) program did not crash testing program (duration=45.198619729s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") mkdir(0x0, 0x0) fadvise64(0xffffffffffffffff, 0x0, 0x0, 0x3) program did not crash testing program (duration=45.198619729s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing program (duration=45.198619729s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-fadvise64 detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program did not crash testing program (duration=45.198619729s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program did not crash extracting C reproducer testing compiled C program (duration=45.198619729s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page simplifying C reproducer testing compiled C program (duration=45.198619729s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing compiled C program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page testing program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page validation run: crashed=true testing program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page validation run: crashed=true testing program (duration=45.198619729s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64 detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x0, 0x3) program crashed: BUG: sleeping function called from invalid context in z_erofs_do_read_page validation run: crashed=true reproducing took 23m53.085218428s repro crashed as (corrupted=false): erofs: (device loop0): z_erofs_readahead: readahead error at page 48 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 47 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4356, name: syz.0.17 1 lock held by syz.0.17/4356: #0: ffff88805ce70320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff88805ce70320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x198/0x940 mm/readahead.c:195 Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130 CPU: 0 PID: 4356 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x42/0xc0 mm/slab.h:492 slab_alloc_node mm/slub.c:3139 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238 kmem_cache_zalloc include/linux/slab.h:728 [inline] z_erofs_alloc_pcluster fs/erofs/zdata.c:74 [inline] z_erofs_register_collection fs/erofs/zdata.c:480 [inline] z_erofs_collector_begin fs/erofs/zdata.c:557 [inline] z_erofs_do_read_page+0x6c1/0x26c0 fs/erofs/zdata.c:693 z_erofs_readahead+0x85d/0x1140 fs/erofs/zdata.c:1449 read_pages+0x175/0x930 mm/readahead.c:130 page_cache_ra_unbounded+0x838/0x940 mm/readahead.c:239 do_page_cache_ra mm/readahead.c:269 [inline] force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301 force_page_cache_readahead mm/internal.h:78 [inline] generic_fadvise+0x530/0x7f0 mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64 mm/fadvise.c:215 [inline] __se_sys_fadvise64 mm/fadvise.c:213 [inline] __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc2acf69cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe0fdc0458 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007fc2ad1e4fa0 RCX: 00007fc2acf69cb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc2acfd7bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc2ad1e4fac R14: 00007fc2ad1e4fa0 R15: 00007fc2ad1e4fa0 erofs: (device loop0): z_erofs_readahead: readahead error at page 44 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 43 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 41 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 38 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 37 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 35 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 34 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 33 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 32 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 31 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 29 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 28 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 27 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 26 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 25 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 24 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 23 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 22 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 21 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 20 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 19 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 18 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 17 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 16 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 15 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 14 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 13 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 12 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 9 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 8 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 7 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 6 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 5 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 4 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 3 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 1 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 0 @ nid 36 attempt to access beyond end of device loop0: rw=524288, want=720, limit=16 attempt to access beyond end of device loop0: rw=524288, want=525144, limit=16 attempt to access beyond end of device loop0: rw=524288, want=72, limit=16 attempt to access beyond end of device loop0: rw=524288, want=1183600, limit=16 attempt to access beyond end of device loop0: rw=524288, want=296, limit=16 attempt to access beyond end of device loop0: rw=524288, want=1048976, limit=16 attempt to access beyond end of device loop0: rw=524288, want=3670472, limit=16 attempt to access beyond end of device loop0: rw=524288, want=790384, limit=16 BUG: scheduling while atomic: syz.0.17/4356/0x00000005 no locks held by syz.0.17/4356. Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130 final repro crashed as (corrupted=false): erofs: (device loop0): z_erofs_readahead: readahead error at page 48 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 47 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4356, name: syz.0.17 1 lock held by syz.0.17/4356: #0: ffff88805ce70320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff88805ce70320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x198/0x940 mm/readahead.c:195 Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130 CPU: 0 PID: 4356 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook+0x42/0xc0 mm/slab.h:492 slab_alloc_node mm/slub.c:3139 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238 kmem_cache_zalloc include/linux/slab.h:728 [inline] z_erofs_alloc_pcluster fs/erofs/zdata.c:74 [inline] z_erofs_register_collection fs/erofs/zdata.c:480 [inline] z_erofs_collector_begin fs/erofs/zdata.c:557 [inline] z_erofs_do_read_page+0x6c1/0x26c0 fs/erofs/zdata.c:693 z_erofs_readahead+0x85d/0x1140 fs/erofs/zdata.c:1449 read_pages+0x175/0x930 mm/readahead.c:130 page_cache_ra_unbounded+0x838/0x940 mm/readahead.c:239 do_page_cache_ra mm/readahead.c:269 [inline] force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301 force_page_cache_readahead mm/internal.h:78 [inline] generic_fadvise+0x530/0x7f0 mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64 mm/fadvise.c:215 [inline] __se_sys_fadvise64 mm/fadvise.c:213 [inline] __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc2acf69cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe0fdc0458 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007fc2ad1e4fa0 RCX: 00007fc2acf69cb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc2acfd7bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc2ad1e4fac R14: 00007fc2ad1e4fa0 R15: 00007fc2ad1e4fa0 erofs: (device loop0): z_erofs_readahead: readahead error at page 44 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 43 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 41 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 38 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 37 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 35 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 34 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 33 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 32 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 31 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 29 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 28 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 27 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 26 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 25 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 24 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 23 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 22 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 21 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 20 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 19 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 18 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 17 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 16 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 15 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 14 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 13 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 12 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 9 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 8 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 7 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 6 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 5 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 4 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 3 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 1 @ nid 36 erofs: (device loop0): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 erofs: (device loop0): z_erofs_readahead: readahead error at page 0 @ nid 36 attempt to access beyond end of device loop0: rw=524288, want=720, limit=16 attempt to access beyond end of device loop0: rw=524288, want=525144, limit=16 attempt to access beyond end of device loop0: rw=524288, want=72, limit=16 attempt to access beyond end of device loop0: rw=524288, want=1183600, limit=16 attempt to access beyond end of device loop0: rw=524288, want=296, limit=16 attempt to access beyond end of device loop0: rw=524288, want=1048976, limit=16 attempt to access beyond end of device loop0: rw=524288, want=3670472, limit=16 attempt to access beyond end of device loop0: rw=524288, want=790384, limit=16 BUG: scheduling while atomic: syz.0.17/4356/0x00000005 no locks held by syz.0.17/4356. Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] z_erofs_reload_indexes+0x1c2/0x590 fs/erofs/zmap.c:130