Extracting prog: 5m30.5530572s
Minimizing prog: 43m3.859951881s
Simplifying prog options: 0s
Extracting C: 51.499653424s
Simplifying C: 15m23.350923507s


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: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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program crashed: WARNING in __vmap_pages_range_noflush
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {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_io_uring_setup
detailed listing:
executing program 0:
syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))

program did not crash
testing program (duration=6m0s, {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}}): io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
io_uring_register$IORING_REGISTER_PBUF_RING(0xffffffffffffffff, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program did not crash
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, 0x0, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program did not crash
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, 0x0, &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program did not crash
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), 0x0)
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program did not crash
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, 0x0, 0x1)

program did not crash
testing program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={0x0}, 0x1)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {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}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
program crashed: WARNING in __vmap_pages_range_noflush
testing program (duration=6m0s, {Threaded:false Repeat:true 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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program crashed: WARNING in __vmap_pages_range_noflush
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program crashed: WARNING in __vmap_pages_range_noflush
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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_io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING
detailed listing:
executing program 0:
r0 = syz_io_uring_setup(0x45, &(0x7f0000000300)={0x0, 0x0, 0x40, 0x2, 0x18}, &(0x7f0000000100), &(0x7f00000000c0))
io_uring_register$IORING_REGISTER_PBUF_RING(r0, 0x22, &(0x7f0000000200)={&(0x7f0000001000)={[{0x0, 0x80000, 0x1}]}, 0x1}, 0x1)

program crashed: WARNING in __vmap_pages_range_noflush
validation run: crashed=true
reproducing took 1h12m24.744655476s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pte_range mm/vmalloc.c:542 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pud_range mm/vmalloc.c:587 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_small_pages_range_noflush mm/vmalloc.c:627 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 __vmap_pages_range_noflush+0xd4e/0xe10 mm/vmalloc.c:656
Modules linked in:
CPU: 0 UID: 0 PID: 6000 Comm: syz.0.17 Tainted: G        W           6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:vmap_pages_pte_range mm/vmalloc.c:542 [inline]
RIP: 0010:vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
RIP: 0010:vmap_pages_pud_range mm/vmalloc.c:587 [inline]
RIP: 0010:vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
RIP: 0010:vmap_small_pages_range_noflush mm/vmalloc.c:627 [inline]
RIP: 0010:__vmap_pages_range_noflush+0xd4e/0xe10 mm/vmalloc.c:656
Code: b1 ff eb 2f e8 53 5f b1 ff 45 31 e4 eb 25 e8 49 5f b1 ff 90 0f 0b 90 eb 14 e8 3e 5f b1 ff 90 0f 0b 90 eb 09 e8 33 5f b1 ff 90 <0f> 0b 90 41 bc f4 ff ff ff 44 89 e0 48 81 c4 e0 00 00 00 5b 41 5c
RSP: 0018:ffffc90003cb78d8 EFLAGS: 00010293
RAX: ffffffff820cfc2d RBX: ffff8880751a9e10 RCX: ffff88803da75940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0003000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a007 R12: ffffc9007cbc3000
R13: 1ffff1100ea353c2 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055556c25d500(0000) GS:ffff8881268cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005619eae2f168 CR3: 000000003ab50000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vmap_pages_range_noflush mm/vmalloc.c:681 [inline]
 vmap_pages_range mm/vmalloc.c:701 [inline]
 vmap+0x1ca/0x310 mm/vmalloc.c:3515
 io_region_init_ptr+0x24d/0x350 io_uring/memmap.c:125
 io_create_region+0x3a4/0x480 io_uring/memmap.c:228
 io_create_region_mmap_safe+0xc0/0x180 io_uring/memmap.c:245
 io_register_mem_region+0x27a/0x3c0 io_uring/register.c:616
 __io_uring_register io_uring/register.c:836 [inline]
 __do_sys_io_uring_register io_uring/register.c:929 [inline]
 __se_sys_io_uring_register+0x3b4/0x1130 io_uring/register.c:906
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f99cbcaebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc8cb9f828 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f99cbed5fa0 RCX: 00007f99cbcaebe9
RDX: 0000200000000200 RSI: 0000000000000022 RDI: 0000000000000003
RBP: 00007f99cbd31e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f99cbed5fa0 R14: 00007f99cbed5fa0 R15: 0000000000000004
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pte_range mm/vmalloc.c:542 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_pud_range mm/vmalloc.c:587 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 vmap_small_pages_range_noflush mm/vmalloc.c:627 [inline]
WARNING: CPU: 0 PID: 6000 at mm/vmalloc.c:542 __vmap_pages_range_noflush+0xd4e/0xe10 mm/vmalloc.c:656
Modules linked in:
CPU: 0 UID: 0 PID: 6000 Comm: syz.0.17 Tainted: G        W           6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:vmap_pages_pte_range mm/vmalloc.c:542 [inline]
RIP: 0010:vmap_pages_pmd_range mm/vmalloc.c:569 [inline]
RIP: 0010:vmap_pages_pud_range mm/vmalloc.c:587 [inline]
RIP: 0010:vmap_pages_p4d_range mm/vmalloc.c:605 [inline]
RIP: 0010:vmap_small_pages_range_noflush mm/vmalloc.c:627 [inline]
RIP: 0010:__vmap_pages_range_noflush+0xd4e/0xe10 mm/vmalloc.c:656
Code: b1 ff eb 2f e8 53 5f b1 ff 45 31 e4 eb 25 e8 49 5f b1 ff 90 0f 0b 90 eb 14 e8 3e 5f b1 ff 90 0f 0b 90 eb 09 e8 33 5f b1 ff 90 <0f> 0b 90 41 bc f4 ff ff ff 44 89 e0 48 81 c4 e0 00 00 00 5b 41 5c
RSP: 0018:ffffc90003cb78d8 EFLAGS: 00010293
RAX: ffffffff820cfc2d RBX: ffff8880751a9e10 RCX: ffff88803da75940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0003000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a007 R12: ffffc9007cbc3000
R13: 1ffff1100ea353c2 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055556c25d500(0000) GS:ffff8881268cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005619eae2f168 CR3: 000000003ab50000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vmap_pages_range_noflush mm/vmalloc.c:681 [inline]
 vmap_pages_range mm/vmalloc.c:701 [inline]
 vmap+0x1ca/0x310 mm/vmalloc.c:3515
 io_region_init_ptr+0x24d/0x350 io_uring/memmap.c:125
 io_create_region+0x3a4/0x480 io_uring/memmap.c:228
 io_create_region_mmap_safe+0xc0/0x180 io_uring/memmap.c:245
 io_register_mem_region+0x27a/0x3c0 io_uring/register.c:616
 __io_uring_register io_uring/register.c:836 [inline]
 __do_sys_io_uring_register io_uring/register.c:929 [inline]
 __se_sys_io_uring_register+0x3b4/0x1130 io_uring/register.c:906
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f99cbcaebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc8cb9f828 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f99cbed5fa0 RCX: 00007f99cbcaebe9
RDX: 0000200000000200 RSI: 0000000000000022 RDI: 0000000000000003
RBP: 00007f99cbd31e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f99cbed5fa0 R14: 00007f99cbed5fa0 R15: 0000000000000004
 </TASK>