Extracting prog: 2m11.468271159s
Minimizing prog: 2m23.313560237s
Simplifying prog options: 0s
Extracting C: 25.903144084s
Simplifying C: 4m30.945337494s


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$erofs-mknod
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$eJzsmb+r01AUx7/3Ji/1PURwcXWw4BN9aZIqdClSwV2oim4WG6WaWmkjtAXB4uLi6CC4+g84OHRycHNz1UEFwcGObsKVe3PTXNJGGqwung/05NtzT3Lur5wLLQiC+G/58vnHp6cXGpfPADiMKira/83KYrgR//H5g9PPmhdfvPrw8u29Iw/n+edVSuaXad60LMTY1R4hzPaqssyWvahq3xVwnDJiHH29AY6rWodguK71HUMP0jRR6N4cRN1bvSj0pPGlCaSpm/ltAIsZQxfAIdU7IZjRPppM73aiKBzmxY5I86w0lRW/mz/VvxZHM509C0Ku17Unj2fsURbnGfPng8PXug6GttYNVOC6bjYlxvg5S1dHCGuT8W9NWFLIJS5/+9GDcrnOKyE3298bzjohR7dB8O42NhOJkOU9cm8vPccW83erd3398+zsn70yOaEKF4CVpvd7UrB1TRuJtPCui3Gy+iRfqJPI6oetvAm1uH+/NppMD3r9zu0w9Z71vHNBTRWixCqvebb8XNY/G5gx7BnP3ymslg7GnTge+mMgHvoO09+DxBoVt/168F3dwVX949g/kTyBpedNwUHH9Ierq1T7VmF3CIIgCIIgCIIgCIIgCIIgSnEcTP0Kqv+oEgUEl1T0rwAAAP//Y7ZUwA==")
mknod(&(0x7f0000000080)='./bus\x00', 0xc000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=32.409663967s, {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$erofs
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")

program did not crash
testing program (duration=32.409663967s, {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}}): mknod
detailed listing:
executing program 0:
mknod(&(0x7f0000000080)='./bus\x00', 0xc000, 0x0)

program did not crash
testing program (duration=32.409663967s, {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$erofs-mknod
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
mknod(0x0, 0xc000, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=32.409663967s, {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$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
simplifying C reproducer
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=32.409663967s, {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$erofs-mknod
program did not crash
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true 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$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true 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$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=32.409663967s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mknod
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing program (duration=32.409663967s, {Threaded:false Repeat:true 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$erofs-mknod
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
mknod(&(0x7f0000000080)='./bus\x00', 0xc000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=32.409663967s, {Threaded:false Repeat:true 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$erofs-mknod
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
mknod(&(0x7f0000000080)='./bus\x00', 0xc000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=32.409663967s, {Threaded:false Repeat:true 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$erofs-mknod
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
mknod(&(0x7f0000000080)='./bus\x00', 0xc000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
reproducing took 11m0.934329428s
repro crashed as (corrupted=false):
erofs: (device loop2): mounted with root inode @ nid 36.
attempt to access beyond end of device
loop2: rw=0, want=15300821032, limit=16
erofs: (device loop2): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.2.17/359/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff822178e0>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff822178e0>] z_erofs_reload_indexes+0x310/0x410 fs/erofs/zmap.c:148
CPU: 1 PID: 359 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 __schedule_bug+0x180/0x230 kernel/sched/core.c:5733
 schedule_debug kernel/sched/core.c:5760 [inline]
 __schedule+0xc30/0x14c0 kernel/sched/core.c:6428
 schedule+0x11e/0x1e0 kernel/sched/core.c:6621
 exit_to_user_mode_loop+0x50/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd4a293819
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:00007ffc7a868038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffff8b RBX: 00007efd4a50cfa0 RCX: 00007efd4a293819
RDX: 0000000000000000 RSI: 000000000000c000 RDI: 0000200000000080
RBP: 00007efd4a329c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd4a50cfac R14: 00007efd4a50cfa0 R15: 00007efd4a50cfa0
 </TASK>

final repro crashed as (corrupted=false):
erofs: (device loop2): mounted with root inode @ nid 36.
attempt to access beyond end of device
loop2: rw=0, want=15300821032, limit=16
erofs: (device loop2): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.2.17/359/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff822178e0>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff822178e0>] z_erofs_reload_indexes+0x310/0x410 fs/erofs/zmap.c:148
CPU: 1 PID: 359 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 __schedule_bug+0x180/0x230 kernel/sched/core.c:5733
 schedule_debug kernel/sched/core.c:5760 [inline]
 __schedule+0xc30/0x14c0 kernel/sched/core.c:6428
 schedule+0x11e/0x1e0 kernel/sched/core.c:6621
 exit_to_user_mode_loop+0x50/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd4a293819
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:00007ffc7a868038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffff8b RBX: 00007efd4a50cfa0 RCX: 00007efd4a293819
RDX: 0000000000000000 RSI: 000000000000c000 RDI: 0000200000000080
RBP: 00007efd4a329c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd4a50cfac R14: 00007efd4a50cfa0 R15: 00007efd4a50cfa0
 </TASK>