Extracting prog: 2m11.519725262s
Minimizing prog: 8m30.854409405s
Simplifying prog options: 5m7.721917724s
Extracting C: 1m56.302546142s
Simplifying C: 0s


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: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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=45.403681354s, {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$erofs-openat
detailed listing:
executing program 0:
syz_mount_image$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==")
openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)

program did not crash
testing program (duration=45.403681354s, {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$erofs-ioctl$EXT4_IOC_GET_ES_CACHE
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
ioctl$EXT4_IOC_GET_ES_CACHE(0xffffffffffffffff, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program did not crash
testing program (duration=45.403681354s, {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-ioctl$EXT4_IOC_GET_ES_CACHE
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program did not crash
testing program (duration=45.403681354s, {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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program did not crash
testing program (duration=45.403681354s, {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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.403681354s, {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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
program crashed: BUG: scheduling while atomic in futex_wait_queue_me
a never seen crash title: BUG: scheduling while atomic in futex_wait_queue_me, ignore
simplifying guilty program options
testing program (duration=45.403681354s, {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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: sleeping function called from invalid context in __close_range
a never seen crash title: BUG: sleeping function called from invalid context in __close_range, ignore
testing program (duration=45.403681354s, {Threaded:true 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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
extracting C reproducer
testing compiled C program (duration=45.403681354s, {Threaded:true 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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
program crashed: BUG: scheduling while atomic in futex_wait_queue_me
a never seen crash title: BUG: scheduling while atomic in futex_wait_queue_me, ignore
testing program (duration=45.403681354s, {Threaded:true 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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=45.403681354s, {Threaded:true 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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
testing program (duration=45.403681354s, {Threaded:true 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$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE
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, &(0x7f0000000500)='.\x00', 0x0, 0x0)
ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f00000005c0)={0x1dcc, 0x10100002000001, 0x0, 0x5})

program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop
validation run: crashed=true
reproducing took 22m25.169965561s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 16
erofs: (device loop0): mounted with root inode @ nid 36.
BUG: scheduling while atomic: syz.0.17/4351/0x00000002
no locks held by syz.0.17/4351.
Modules linked in:
Preemption disabled at:
[<ffffffff83990d27>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff83990d27>] z_erofs_reload_indexes+0x347/0x590 fs/erofs/zmap.c:146
Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ...
CPU: 1 PID: 4351 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 panic+0x2e5/0x810 kernel/panic.c:309
 check_panic_on_warn+0x80/0xa0 kernel/panic.c:229
 __schedule_bug+0x193/0x1f0 kernel/sched/core.c:5589
 schedule_debug kernel/sched/core.c:5618 [inline]
 __schedule+0x1324/0x43c0 kernel/sched/core.c:6286
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 exit_to_user_mode_loop+0x47/0x130 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f00b3879cb9
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:00007f00b2edd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f00b3af4fa8 RCX: 00007f00b3879cb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f00b3af4fac
RBP: 00007f00b3af4fa0 R08: 0022d5648d7fe7c2 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f00b3af5038 R14: 00007ffe4c35e270 R15: 00007ffe4c35e358
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 16
erofs: (device loop0): mounted with root inode @ nid 36.
BUG: scheduling while atomic: syz.0.17/4351/0x00000002
no locks held by syz.0.17/4351.
Modules linked in:
Preemption disabled at:
[<ffffffff83990d27>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff83990d27>] z_erofs_reload_indexes+0x347/0x590 fs/erofs/zmap.c:146
Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ...
CPU: 1 PID: 4351 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 panic+0x2e5/0x810 kernel/panic.c:309
 check_panic_on_warn+0x80/0xa0 kernel/panic.c:229
 __schedule_bug+0x193/0x1f0 kernel/sched/core.c:5589
 schedule_debug kernel/sched/core.c:5618 [inline]
 __schedule+0x1324/0x43c0 kernel/sched/core.c:6286
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 exit_to_user_mode_loop+0x47/0x130 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f00b3879cb9
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:00007f00b2edd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f00b3af4fa8 RCX: 00007f00b3879cb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f00b3af4fac
RBP: 00007f00b3af4fa0 R08: 0022d5648d7fe7c2 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f00b3af5038 R14: 00007ffe4c35e270 R15: 00007ffe4c35e358
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..