Extracting prog: 1m48.837092806s
Minimizing prog: 5m23.259075287s
Simplifying prog options: 0s
Extracting C: 1m15.897598259s
Simplifying C: 12m12.501974245s


extracting reproducer from 37 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$erofs-openat$cgroup_ro
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)

program crashed: BUG: sleeping function called from invalid context in path_openat
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=45.259514773s, {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$erofs
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")

program did not crash
testing program (duration=45.259514773s, {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$cgroup_ro
detailed listing:
executing program 0:
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)

program did not crash
testing program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
simplifying C reproducer
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing compiled C program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
program crashed: BUG: sleeping function called from invalid context in path_openat
testing program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)

program crashed: BUG: sleeping function called from invalid context in path_openat
validation run: crashed=true
testing program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)

program crashed: BUG: sleeping function called from invalid context in path_openat
validation run: crashed=true
testing program (duration=45.259514773s, {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$erofs-openat$cgroup_ro
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000440), &(0x7f0000000180)='./file0\x00', 0x10410, &(0x7f0000000480)=ANY=[], 0x1, 0x1ed, &(0x7f0000000cc0)="$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")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)

program crashed: BUG: sleeping function called from invalid context in path_openat
validation run: crashed=true
reproducing took 27m42.508690717s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 16
erofs: (device loop0): mounted with root inode @ nid 36.
erofs: (device loop0): z_erofs_readpage: failed to read, err [-95]
BUG: sleeping function called from invalid context at fs/dcache.c:877
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4349, name: syz.0.17
1 lock held by syz.0.17/4349:
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3537 [inline]
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x803/0x2fa0 fs/namei.c:3747
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
CPU: 0 PID: 4349 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
 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658
 dput+0x26/0x1a0 fs/dcache.c:877
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x1207/0x2fa0 fs/namei.c:3747
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x150/0x4b0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 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: 0033:0x7f7eaf497cb9
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:00007ffce35462b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7eaf712fa0 RCX: 00007f7eaf497cb9
RDX: 000000000000275a RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f7eaf505bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7eaf712fac R14: 00007f7eaf712fa0 R15: 00007f7eaf712fa0
 </TASK>
BUG: scheduling while atomic: syz.0.17/4349/0x00000002
no locks held by syz.0.17/4349.
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

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 16
erofs: (device loop0): mounted with root inode @ nid 36.
erofs: (device loop0): z_erofs_readpage: failed to read, err [-95]
BUG: sleeping function called from invalid context at fs/dcache.c:877
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4349, name: syz.0.17
1 lock held by syz.0.17/4349:
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3537 [inline]
 #0: ffff88805a88c180 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: path_openat+0x803/0x2fa0 fs/namei.c:3747
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
CPU: 0 PID: 4349 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
 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658
 dput+0x26/0x1a0 fs/dcache.c:877
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x1207/0x2fa0 fs/namei.c:3747
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x150/0x4b0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 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: 0033:0x7f7eaf497cb9
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:00007ffce35462b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7eaf712fa0 RCX: 00007f7eaf497cb9
RDX: 000000000000275a RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f7eaf505bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7eaf712fac R14: 00007f7eaf712fa0 R15: 00007f7eaf712fa0
 </TASK>
BUG: scheduling while atomic: syz.0.17/4349/0x00000002
no locks held by syz.0.17/4349.
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