Extracting prog: 2m41.697436409s
Minimizing prog: 10m36.360043743s
Simplifying prog options: 0s
Extracting C: 1m7.881073103s
Simplifying C: 21m38.029849995s
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:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, &(0x7f0000000000)="4c5f165d12733650022884d9059e897913fa11cfe2d283afe908060282897f5a4085ffeb2e2bed3f5dde15ec11d3b39c1585ba4264ff80f5198d75630683053614b1c282683cf4ae218ef22dca23e81344eedca833cfeab76e5091eec31f45271d2dd7df4cfeeeabd163f3764436e26957ecf487b3c8a54796a64f1bcc1187e569a1fad69a8327b3c5a77d4c8b059be23b31cb9d546b0c548a6952125d44e0674bce3df260bb019951af57d740a3668f99b616f6e9d5b7e37963368a10536d52d3959cd31535bdb05d2b0086566ed805a36189eb209d6fadb4821a306bd525bd5fe6e1cc3733dcd479", 0xe9)
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100002f0c81087f180002ad6b0102030109022400010000000009040000023c7f98000905030200000000000905ba"], 0x0)
program crashed: WARNING in usb_free_urb
program crashed: WARNING in usb_free_urb
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, &(0x7f0000000000)="4c5f165d12733650022884d9059e897913fa11cfe2d283afe908060282897f5a4085ffeb2e2bed3f5dde15ec11d3b39c1585ba4264ff80f5198d75630683053614b1c282683cf4ae218ef22dca23e81344eedca833cfeab76e5091eec31f45271d2dd7df4cfeeeabd163f3764436e26957ecf487b3c8a54796a64f1bcc1187e569a1fad69a8327b3c5a77d4c8b059be23b31cb9d546b0c548a6952125d44e0674bce3df260bb019951af57d740a3668f99b616f6e9d5b7e37963368a10536d52d3959cd31535bdb05d2b0086566ed805a36189eb209d6fadb4821a306bd525bd5fe6e1cc3733dcd479", 0xe9)
program did not crash
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100002f0c81087f180002ad6b0102030109022400010000000009040000023c7f98000905030200000000000905ba"], 0x0)
program did not crash
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, 0x0, 0x0)
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100002f0c81087f180002ad6b0102030109022400010000000009040000023c7f98000905030200000000000905ba"], 0x0)
program did not crash
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, &(0x7f0000000000), 0x0)
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100002f0c81087f180002ad6b0102030109022400010000000009040000023c7f98000905030200000000000905ba"], 0x0)
program did not crash
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, &(0x7f0000000000)="4c5f165d12733650022884d9059e897913fa11cfe2d283afe908060282897f5a4085ffeb2e2bed3f5dde15ec11d3b39c1585ba4264ff80f5198d75630683053614b1c282683cf4ae218ef22dca23e81344eedca833cfeab76e5091eec31f45271d2dd7df4cfeeeabd163f3764436e26957ecf487b3c8a54796a64f1bcc1187e569a1fad69a8327b3c5a77d4c8b059be23b31cb9d546b0c548a6952125d44e0674bce3df260bb019951af57d740a3668f99b616f6e9d5b7e37963368a10536d52d3959cd31535bdb05d2b0086566ed805a36189eb209d6fadb4821a306bd525bd5fe6e1cc3733dcd479", 0xe9)
syz_usb_connect(0x0, 0x36, 0x0, 0x0)
program did not crash
testing program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
detailed listing:
executing program 0:
write$char_usb(0xffffffffffffffff, &(0x7f0000000000)="4c5f165d12733650022884d9059e897913fa11cfe2d283afe908060282897f5a4085ffeb2e2bed3f5dde15ec11d3b39c1585ba4264ff80f5198d75630683053614b1c282683cf4ae218ef22dca23e81344eedca833cfeab76e5091eec31f45271d2dd7df4cfeeeabd163f3764436e26957ecf487b3c8a54796a64f1bcc1187e569a1fad69a8327b3c5a77d4c8b059be23b31cb9d546b0c548a6952125d44e0674bce3df260bb019951af57d740a3668f99b616f6e9d5b7e37963368a10536d52d3959cd31535bdb05d2b0086566ed805a36189eb209d6fadb4821a306bd525bd5fe6e1cc3733dcd479", 0xe9)
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=53.342799733s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
simplifying C reproducer
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in corrupted
a never seen crash title: WARNING in corrupted, ignore
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=53.342799733s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$char_usb-syz_usb_connect
program crashed: WARNING in usb_free_urb
reproducing took 36m3.968427947s
repro crashed as (corrupted=false):
smsusb:siano_media_device_register: media controller created
smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed
smsusb:smsusb_init_device: smsusb_start_streaming(...) failed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10 at mm/slub.c:4766 free_large_kmalloc+0x165/0x200 mm/slub.c:4766
Modules linked in:
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:free_large_kmalloc+0x165/0x200 mm/slub.c:4766
Code: 75 08 48 89 df e8 db e9 e2 ff 65 48 8b 05 73 13 5e 10 48 3b 44 24 08 75 53 48 83 c4 10 5b 41 5e 41 5f 5d c3 cc cc cc cc cc 90 <0f> 0b 90 65 48 8b 05 50 13 5e 10 48 3b 44 24 08 75 30 48 89 df 48
RSP: 0018:ffffc900000f6ba8 EFLAGS: 00010206
RAX: 00000000ff000000 RBX: ffffea0001dab880 RCX: ffffea0000000000
RDX: 0000000000000000 RSI: ffff888076ae2000 RDI: ffffea0001dab880
RBP: 0000000000000100 R08: ffff88801dbe6303 R09: 1ffff11003b7cc60
R10: dffffc0000000000 R11: ffffed1003b7cc61 R12: 1ffff110042dfa82
R13: 0000000000000000 R14: ffff88801dbe6360 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e15b99e10 CR3: 000000007756e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
urb_destroy drivers/usb/core/urb.c:25 [inline]
kref_put include/linux/kref.h:65 [inline]
usb_free_urb+0xd0/0x120 drivers/usb/core/urb.c:97
smsusb_term_device+0x1d6/0x3b0 drivers/media/usb/siano/smsusb.c:352
smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline]
smsusb_probe+0x1a04/0x2060 drivers/media/usb/siano/smsusb.c:575
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
final repro crashed as (corrupted=false):
smsusb:siano_media_device_register: media controller created
smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed
smsusb:smsusb_init_device: smsusb_start_streaming(...) failed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10 at mm/slub.c:4766 free_large_kmalloc+0x165/0x200 mm/slub.c:4766
Modules linked in:
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:free_large_kmalloc+0x165/0x200 mm/slub.c:4766
Code: 75 08 48 89 df e8 db e9 e2 ff 65 48 8b 05 73 13 5e 10 48 3b 44 24 08 75 53 48 83 c4 10 5b 41 5e 41 5f 5d c3 cc cc cc cc cc 90 <0f> 0b 90 65 48 8b 05 50 13 5e 10 48 3b 44 24 08 75 30 48 89 df 48
RSP: 0018:ffffc900000f6ba8 EFLAGS: 00010206
RAX: 00000000ff000000 RBX: ffffea0001dab880 RCX: ffffea0000000000
RDX: 0000000000000000 RSI: ffff888076ae2000 RDI: ffffea0001dab880
RBP: 0000000000000100 R08: ffff88801dbe6303 R09: 1ffff11003b7cc60
R10: dffffc0000000000 R11: ffffed1003b7cc61 R12: 1ffff110042dfa82
R13: 0000000000000000 R14: ffff88801dbe6360 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e15b99e10 CR3: 000000007756e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
urb_destroy drivers/usb/core/urb.c:25 [inline]
kref_put include/linux/kref.h:65 [inline]
usb_free_urb+0xd0/0x120 drivers/usb/core/urb.c:97
smsusb_term_device+0x1d6/0x3b0 drivers/media/usb/siano/smsusb.c:352
smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline]
smsusb_probe+0x1a04/0x2060 drivers/media/usb/siano/smsusb.c:575
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245