Extracting prog: 51.192638743s
Minimizing prog: 4m3.911284947s
Simplifying prog options: 0s
Extracting C: 41.908169278s
Simplifying C: 6m55.612831673s


extracting reproducer from 30 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE_CONST_STR-syz_mount_image$erofs-openat-fadvise64
detailed listing:
executing program 0:
bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48)
syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f0000001a00)=ANY=[], 0x5, 0x1f5, &(0x7f0000001000)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0x0, 0x0, 0x3)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE_CONST_STR-syz_mount_image$erofs-openat
detailed listing:
executing program 0:
bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48)
syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f0000001a00)=ANY=[], 0x5, 0x1f5, &(0x7f0000001000)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)

program did not crash
testing program (duration=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE_CONST_STR-syz_mount_image$erofs-fadvise64
detailed listing:
executing program 0:
bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48)
syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f0000001a00)=ANY=[], 0x5, 0x1f5, &(0x7f0000001000)="$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")
fadvise64(0xffffffffffffffff, 0x0, 0x0, 0x3)

program did not crash
testing program (duration=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE_CONST_STR-openat-fadvise64
detailed listing:
executing program 0:
bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0x0, 0x0, 0x3)

program did not crash
testing program (duration=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f0000001a00)=ANY=[], 0x5, 0x1f5, &(0x7f0000001000)="$eJxiGAWjYBSMWPDo4dcHvU4WIToMDAw8DCoM7FDxF8wINUxI6u/MLNWeaus6Z9PtpUfy+Gp3oZvHTqL9IGsOODIzlDBwQkX+/0eWVwGTjCwgV6hAxUIZmBg0GRgY9kO1qELFExiYGMKg7FQGRoZIKDsLiZ0PsyYnVS85PyclLTMn1QBEGIIIIxBhjGw/CwMDw9tGRoYUBgYGDrDr/v9nRJIvrqzKTszJSS1CZ7D+h9mDIUUqA1/4gd3nyMRgCw+9//9B8RXR0dwI4uuBCDZUPYYMTAyGULYxAyNDMJRtwcDOoKenhwgSJP9LsSDMZybG/1RjMKOLVKCpSXiES7ugLi0dRiUGKx3CcJSBzGBEFwFlaLiI2NtdpzF1PSXWii8FkIyBKcVItyyDxgAXXAwMDBhSl7hIM7AkFtVfsHIFq2JE+QQqvdWRyicWBhZ4+aFfklugX1xZpZuZm5iemp6aZ2RkbGZgYmBgaqQPLoggJEa59wde/nGAyycuJPNZcZSVbIxsDBWJJSVFhhUMDCVFhnC+EYREKnGDt+W/AethApd/TAwayhAzGGHFKY6KjhGKmcA0iKXBjMM5o2AUjIJRMApGwSgYBaNgFIyCUTAKRsEoGAWjYBSMglFAIpBnYASPgkInqv7jAEYBYNWAAAAA//+pLl8O")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0x0, 0x0, 0x3)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing program (duration=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f0000001a00)=ANY=[], 0x5, 0x1f5, &(0x7f0000001000)="$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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=38.829558156s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
simplifying C reproducer
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program did not crash
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program did not crash
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=38.829558156s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-fadvise64
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
reproducing took 12m32.624936031s
repro crashed as (corrupted=false):
loop0: rw=524288, want=672, 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
attempt to access beyond end of device
loop0: rw=524288, want=14425508768, limit=16
BUG: scheduling while atomic: syz-executor249/276/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8211ffe0>] kmap_atomic include/linux/highmem.h:156 [inline]
[<ffffffff8211ffe0>] z_erofs_reload_indexes+0x1d0/0x450 fs/erofs/zmap.c:132
CPU: 0 PID: 276 Comm: syz-executor249 Not tainted 5.10.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 __schedule_bug+0x177/0x230 kernel/sched/core.c:4545
 schedule_debug kernel/sched/core.c:4572 [inline]
 __schedule+0xc33/0x1310 kernel/sched/core.c:4700
 schedule+0x13c/0x1d0 kernel/sched/core.c:4884
 exit_to_user_mode_loop+0x4b/0xe0 kernel/entry/common.c:160
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0x68/0x90 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd2464d6739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc4ae80358 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: 0000000000000000 RBX: 00007fd2465214f4 RCX: 00007fd2464d6739
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fd2465214c4 R08: 0000555500000000 R09: 0000555500000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fd24652142c
R13: 0000000000000001 R14: 00007ffc4ae803a0 R15: 0000000000000003
erofs: (device loop0): z_erofs_readpage: failed to read, err [-117]

final repro crashed as (corrupted=false):
loop0: rw=524288, want=672, 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
attempt to access beyond end of device
loop0: rw=524288, want=14425508768, limit=16
BUG: scheduling while atomic: syz-executor249/276/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8211ffe0>] kmap_atomic include/linux/highmem.h:156 [inline]
[<ffffffff8211ffe0>] z_erofs_reload_indexes+0x1d0/0x450 fs/erofs/zmap.c:132
CPU: 0 PID: 276 Comm: syz-executor249 Not tainted 5.10.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 __schedule_bug+0x177/0x230 kernel/sched/core.c:4545
 schedule_debug kernel/sched/core.c:4572 [inline]
 __schedule+0xc33/0x1310 kernel/sched/core.c:4700
 schedule+0x13c/0x1d0 kernel/sched/core.c:4884
 exit_to_user_mode_loop+0x4b/0xe0 kernel/entry/common.c:160
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0x68/0x90 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd2464d6739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc4ae80358 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: 0000000000000000 RBX: 00007fd2465214f4 RCX: 00007fd2464d6739
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fd2465214c4 R08: 0000555500000000 R09: 0000555500000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fd24652142c
R13: 0000000000000001 R14: 00007ffc4ae803a0 R15: 0000000000000003
erofs: (device loop0): z_erofs_readpage: failed to read, err [-117]