Extracting prog: 28m0.231489146s
Minimizing prog: 1h9m19.835327863s
Simplifying prog options: 19m41.889247918s
Extracting C: 5m57.796616934s
Simplifying C: 0s


extracting reproducer from 70 programs
testing a last program of every proc
single: executing 20 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ecm-syz_usb_control_io$printer-syz_usb_control_io$hid-syz_usb_control_io$printer-syz_usb_control_io$printer
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000280)={{0x12, 0x1, 0x0, 0xd3, 0x75, 0x8, 0x20, 0xac8, 0x321, 0x6fbe, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x8e, 0xfe, 0x89}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f00000006c0)={0x84, &(0x7f00000002c0)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)
syz_usb_control_io$printer(r0, 0x0, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000000c0)=ANY=[@ANYBLOB="120100004c9e581045058080010001020301090212000100000000090402"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-openat$cgroup_ro-write$binfmt_script-mmap-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
write$binfmt_script(r2, &(0x7f0000000100), 0xfecc)
mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x12, r2, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020aed2, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program crashed: WARNING in hci_recv_frame
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
ioctl$sock_bt_hci(0xffffffffffffffff, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, 0x0, 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(0x0, 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB], 0x7)

program did not crash
extracting C reproducer
testing compiled C program (duration=9m40.436566033s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=9m40.436566033s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
testing program (duration=9m40.436566033s, {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: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_init_net_socket$bt_hci-ioctl$sock_bt_hci-openat$snapshot-syz_emit_vhci
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280), 0x2000, 0x0)
syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="040e0402030c"], 0x7)

program did not crash
reproducing took 2h2m59.752706858s
repro crashed as (corrupted=false):
Bluetooth: hci0: Opcode 0x0c03 failed: -112
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11474 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 11474 Comm: syz.3.1469 Not tainted 6.12.0-syzkaller-01518-ga5c93bfec0be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 8f 55 98 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 79 36 00 85 db 75 60 e8 27 77 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 77 36 00 90 0f 0b 90 e9 a8 f7 ff ff
RSP: 0018:ffffc9000b2b7bf8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815719b0
RDX: ffff88802b422440 RSI: ffffffff815719b9 RDI: 0000000000000005
RBP: ffff8880360a8a80 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000008 R14: ffff8880123d3000 R15: ffff8880123d3000
FS:  00007f22bc8606c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38a17baf98 CR3: 000000006114e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x11a/0x140 kernel/workqueue.c:2390
 queue_work include/linux/workqueue.h:662 [inline]
 hci_recv_frame+0x23f/0x7e0 net/bluetooth/hci_core.c:2946
 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline]
 vhci_write+0x385/0x470 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f22bb97d23f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007f22bc860000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f22bbb35f80 RCX: 00007f22bb97d23f
RDX: 0000000000000007 RSI: 0000000020000000 RDI: 00000000000000ca
RBP: 00007f22bb9f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f22bbb35f80 R15: 00007ffc1b246d58
 </TASK>

final repro crashed as (corrupted=false):
Bluetooth: hci0: Opcode 0x0c03 failed: -112
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11474 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 11474 Comm: syz.3.1469 Not tainted 6.12.0-syzkaller-01518-ga5c93bfec0be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 8f 55 98 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 79 36 00 85 db 75 60 e8 27 77 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 77 36 00 90 0f 0b 90 e9 a8 f7 ff ff
RSP: 0018:ffffc9000b2b7bf8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815719b0
RDX: ffff88802b422440 RSI: ffffffff815719b9 RDI: 0000000000000005
RBP: ffff8880360a8a80 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000008 R14: ffff8880123d3000 R15: ffff8880123d3000
FS:  00007f22bc8606c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38a17baf98 CR3: 000000006114e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x11a/0x140 kernel/workqueue.c:2390
 queue_work include/linux/workqueue.h:662 [inline]
 hci_recv_frame+0x23f/0x7e0 net/bluetooth/hci_core.c:2946
 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline]
 vhci_write+0x385/0x470 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f22bb97d23f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007f22bc860000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f22bbb35f80 RCX: 00007f22bb97d23f
RDX: 0000000000000007 RSI: 0000000020000000 RDI: 00000000000000ca
RBP: 00007f22bb9f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f22bbb35f80 R15: 00007ffc1b246d58
 </TASK>