Extracting prog: 1m3.453996516s
Minimizing prog: 5m8.011503913s
Simplifying prog options: 0s
Extracting C: 41.184340404s
Simplifying C: 4m31.557053528s


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$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program crashed: kernel BUG in ext4_writepages
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
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$ext4-openat-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
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$ext4-openat-mmap-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program did not crash
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$ext4-openat-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program did not crash
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$ext4-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program did not crash
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}}): openat-mmap-madvise-open
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program did not crash
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$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program did not crash
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$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(0x0, 0x64842, 0x109)

program did not crash
extracting C reproducer
testing compiled C 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$ext4-openat-mmap-madvise-open
program crashed: kernel BUG in ext4_writepages
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
program did not crash
testing compiled C program (duration=30s, {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: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$ext4-openat-mmap-madvise-open
program did not crash
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
program did not crash
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$ext4-openat-mmap-madvise-open
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
program did not crash
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
program crashed: kernel BUG in ext4_writepages
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-madvise-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000240)='./file0\x00', 0x2010480, &(0x7f00000001c0), 0x5, 0x76a, &(0x7f0000000fc0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
open(&(0x7f0000000000)='./file1\x00', 0x64842, 0x109)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
reproducing took 14m22.295113164s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2749!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: d0 8d ff 84 db 75 31 e8 ae cd 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 90 cd 8d ff <0f> 0b e8 89 cd 8d ff e8 30 7f 24 ff eb 98 e8 7d cd 8d ff e8 24 7f
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81dbfa10 RBX: 0000008410000000 RCX: ffff888100270000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff888133c257ff R09: 1ffff11026784aff
R10: dffffc0000000000 R11: ffffed1026784b00 R12: ffff888116bd4000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888133c257f8
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055559416b908 CR3: 0000000124e06000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x476/0x6d0 mm/page-writeback.c:2388
 __writeback_single_inode+0xd9/0x9e0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x9f3/0x1610 fs/fs-writeback.c:1940
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2116
 wb_do_writeback fs/fs-writeback.c:2263 [inline]
 wb_workfn+0x3ac/0xf30 fs/fs-writeback.c:2304
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace d9b00d2c195e358e ]---
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: d0 8d ff 84 db 75 31 e8 ae cd 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 90 cd 8d ff <0f> 0b e8 89 cd 8d ff e8 30 7f 24 ff eb 98 e8 7d cd 8d ff e8 24 7f
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81dbfa10 RBX: 0000008410000000 RCX: ffff888100270000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff888133c257ff R09: 1ffff11026784aff
R10: dffffc0000000000 R11: ffffed1026784b00 R12: ffff888116bd4000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888133c257f8
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fccdf0d4060 CR3: 000000010d668000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2749!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: d0 8d ff 84 db 75 31 e8 ae cd 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 90 cd 8d ff <0f> 0b e8 89 cd 8d ff e8 30 7f 24 ff eb 98 e8 7d cd 8d ff e8 24 7f
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81dbfa10 RBX: 0000008410000000 RCX: ffff888100270000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff888133c257ff R09: 1ffff11026784aff
R10: dffffc0000000000 R11: ffffed1026784b00 R12: ffff888116bd4000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888133c257f8
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055559416b908 CR3: 0000000124e06000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x476/0x6d0 mm/page-writeback.c:2388
 __writeback_single_inode+0xd9/0x9e0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x9f3/0x1610 fs/fs-writeback.c:1940
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2116
 wb_do_writeback fs/fs-writeback.c:2263 [inline]
 wb_workfn+0x3ac/0xf30 fs/fs-writeback.c:2304
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace d9b00d2c195e358e ]---
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: d0 8d ff 84 db 75 31 e8 ae cd 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 90 cd 8d ff <0f> 0b e8 89 cd 8d ff e8 30 7f 24 ff eb 98 e8 7d cd 8d ff e8 24 7f
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81dbfa10 RBX: 0000008410000000 RCX: ffff888100270000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff888133c257ff R09: 1ffff11026784aff
R10: dffffc0000000000 R11: ffffed1026784b00 R12: ffff888116bd4000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888133c257f8
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fccdf0d4060 CR3: 000000010d668000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400