Extracting prog: 1m5.818419834s
Minimizing prog: 1m59.281157966s
Simplifying prog options: 0s
Extracting C: 27.475567696s
Simplifying C: 3m6.5916568s


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$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1f4, &(0x7f0000000600)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0)

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=31.792301712s, {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, 0x1f4, &(0x7f0000000600)="$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")

program did not crash
testing program (duration=31.792301712s, {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}}): openat
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0)

program did not crash
testing program (duration=31.792301712s, {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$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1f4, &(0x7f0000000600)="$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")
openat(0xffffffffffffff9c, 0x0, 0x80000, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=31.792301712s, {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$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
simplifying C reproducer
testing compiled C program (duration=31.792301712s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=31.792301712s, {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$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=31.792301712s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=31.792301712s, {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$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=31.792301712s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing compiled C program (duration=31.792301712s, {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$erofs-openat
program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
testing program (duration=31.792301712s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1f4, &(0x7f0000000600)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=31.792301712s, {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$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1f4, &(0x7f0000000600)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=31.792301712s, {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$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1f4, &(0x7f0000000600)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0)

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
reproducing took 8m12.809215586s
repro crashed as (corrupted=false):
loop2: detected capacity change from 0 to 16
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.2.17/373/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff82218c90>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff82218c90>] z_erofs_reload_indexes+0x310/0x410 fs/erofs/zmap.c:148
CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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: 0033:0x7f4a61e88e59
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:00007ffe2d2173c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffff8b RBX: 00007f4a62101fa0 RCX: 00007f4a61e88e59
RDX: 0000000000080000 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f4a61f1ed6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a62101fac R14: 00007f4a62101fa0 R15: 00007f4a62101fa0
 </TASK>

final repro crashed as (corrupted=false):
loop2: detected capacity change from 0 to 16
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.2.17/373/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff82218c90>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff82218c90>] z_erofs_reload_indexes+0x310/0x410 fs/erofs/zmap.c:148
CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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: 0033:0x7f4a61e88e59
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:00007ffe2d2173c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffff8b RBX: 00007f4a62101fa0 RCX: 00007f4a61e88e59
RDX: 0000000000080000 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f4a61f1ed6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a62101fac R14: 00007f4a62101fa0 R15: 00007f4a62101fa0
 </TASK>