Extracting prog: 3m29.769335165s
Minimizing prog: 12m6.210793701s
Simplifying prog options: 0s
Extracting C: 1m4.332697504s
Simplifying C: 6m54.749851548s
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:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program crashed: kernel BUG in __filemap_add_folio
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r0, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, 0xffffffffffffffff, 0x0)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r0, 0x40081271, &(0x7f0000000980)=0x4000)
program crashed: SYZFAIL: failed to recv rpc
ignore low priority crash: SYZFAIL: failed to recv rpc
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, 0x0, 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, 0x0, 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=1m40s, {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: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$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$nullb-mmap-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)
program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
reproducing took 30m59.841302802s
repro crashed as (corrupted=false):
blkdev_ioctl+0x2c7/0x740 block/ioctl.c:780
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5767 Comm: syz.2.40 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 fe d2 1c ff 90 0f 0b e8 e6 d1 bc ff 48 8b 7c 24 20 48 c7 c6 e0 2b 19 8c e8 e5 d2 1c ff 90 <0f> 0b e8 cd d1 bc ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 ce d2 1c ff
RSP: 0018:ffffc90001c4f5a0 EFLAGS: 00010246
RAX: 47ae0086e795fb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e6f549e RDI: ffff888034b84b00
RBP: ffffc90001c4f738 R08: ffffffff90694ac3 R09: 1ffffffff20d2958
R10: dffffc0000000000 R11: fffffbfff20d2959 R12: dffffc0000000000
R13: ffff8880326008c0 R14: 0000000000000002 R15: ffff8880326009d8
FS: 0000555575092500(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000004de9e000 CR4: 0000000000352ef0
Call Trace:
filemap_add_folio+0x251/0x4e0 mm/filemap.c:972
ra_alloc_folio mm/readahead.c:470 [inline]
page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
do_sync_mmap_readahead+0x75e/0x990 mm/filemap.c:3443
filemap_fault+0x7d9/0x13b0 mm/filemap.c:3597
__do_fault+0x138/0x2a0 mm/memory.c:5565
do_shared_fault mm/memory.c:6064 [inline]
do_fault mm/memory.c:6138 [inline]
do_pte_missing+0x684/0x34b0 mm/memory.c:4700
handle_pte_fault mm/memory.c:6558 [inline]
__handle_mm_fault mm/memory.c:6707 [inline]
handle_mm_fault+0x1a53/0x3750 mm/memory.c:6876
do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
handle_page_fault arch/x86/mm/fault.c:1483 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7fef96d6eb88
Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
RSP: 002b:00007ffd59a914e8 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b30620000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 0000000000000000
R13: 00007fef97025fac R14: 0000000000030def R15: 00007fef97025fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 fe d2 1c ff 90 0f 0b e8 e6 d1 bc ff 48 8b 7c 24 20 48 c7 c6 e0 2b 19 8c e8 e5 d2 1c ff 90 <0f> 0b e8 cd d1 bc ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 ce d2 1c ff
RSP: 0018:ffffc90001c4f5a0 EFLAGS: 00010246
RAX: 47ae0086e795fb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e6f549e RDI: ffff888034b84b00
RBP: ffffc90001c4f738 R08: ffffffff90694ac3 R09: 1ffffffff20d2958
R10: dffffc0000000000 R11: fffffbfff20d2959 R12: dffffc0000000000
R13: ffff8880326008c0 R14: 0000000000000002 R15: ffff8880326009d8
FS: 0000555575092500(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007effd0ff32f8 CR3: 000000004de9e000 CR4: 0000000000352ef0
final repro crashed as (corrupted=false):
blkdev_ioctl+0x2c7/0x740 block/ioctl.c:780
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5767 Comm: syz.2.40 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 fe d2 1c ff 90 0f 0b e8 e6 d1 bc ff 48 8b 7c 24 20 48 c7 c6 e0 2b 19 8c e8 e5 d2 1c ff 90 <0f> 0b e8 cd d1 bc ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 ce d2 1c ff
RSP: 0018:ffffc90001c4f5a0 EFLAGS: 00010246
RAX: 47ae0086e795fb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e6f549e RDI: ffff888034b84b00
RBP: ffffc90001c4f738 R08: ffffffff90694ac3 R09: 1ffffffff20d2958
R10: dffffc0000000000 R11: fffffbfff20d2959 R12: dffffc0000000000
R13: ffff8880326008c0 R14: 0000000000000002 R15: ffff8880326009d8
FS: 0000555575092500(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000004de9e000 CR4: 0000000000352ef0
Call Trace:
filemap_add_folio+0x251/0x4e0 mm/filemap.c:972
ra_alloc_folio mm/readahead.c:470 [inline]
page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
do_sync_mmap_readahead+0x75e/0x990 mm/filemap.c:3443
filemap_fault+0x7d9/0x13b0 mm/filemap.c:3597
__do_fault+0x138/0x2a0 mm/memory.c:5565
do_shared_fault mm/memory.c:6064 [inline]
do_fault mm/memory.c:6138 [inline]
do_pte_missing+0x684/0x34b0 mm/memory.c:4700
handle_pte_fault mm/memory.c:6558 [inline]
__handle_mm_fault mm/memory.c:6707 [inline]
handle_mm_fault+0x1a53/0x3750 mm/memory.c:6876
do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
handle_page_fault arch/x86/mm/fault.c:1483 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7fef96d6eb88
Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
RSP: 002b:00007ffd59a914e8 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b30620000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 0000000000000000
R13: 00007fef97025fac R14: 0000000000030def R15: 00007fef97025fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 fe d2 1c ff 90 0f 0b e8 e6 d1 bc ff 48 8b 7c 24 20 48 c7 c6 e0 2b 19 8c e8 e5 d2 1c ff 90 <0f> 0b e8 cd d1 bc ff 4c 89 f7 48 c7 c6 20 37 19 8c e8 ce d2 1c ff
RSP: 0018:ffffc90001c4f5a0 EFLAGS: 00010246
RAX: 47ae0086e795fb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e6f549e RDI: ffff888034b84b00
RBP: ffffc90001c4f738 R08: ffffffff90694ac3 R09: 1ffffffff20d2958
R10: dffffc0000000000 R11: fffffbfff20d2959 R12: dffffc0000000000
R13: ffff8880326008c0 R14: 0000000000000002 R15: ffff8880326009d8
FS: 0000555575092500(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007effd0ff32f8 CR3: 000000004de9e000 CR4: 0000000000352ef0