Extracting prog: 11m2.847515236s
Minimizing prog: 32m58.310496399s
Simplifying prog options: 14m17.254675724s
Extracting C: 5m59.723162416s
Simplifying C: 0s


extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-getsockopt$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
r1 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r1, 0x0, 0xe)

program did not crash
single: failed to extract reproducer
bisect: bisecting 24 programs with base timeout 30s
testing program (duration=36s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6]
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/virtual/block/ram9/diskseq\x00', 0x0, 0x0)
read$auto(r1, 0x0, 0x20)
writev$auto(r0, &(0x7f0000000200)={0x0, 0x7}, 0x3)
unshare$auto(0x40000080)
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/cgroup\x00')
close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002)
socket(0x2, 0x1, 0x0)
socket(0x1e, 0x1, 0x0)
socket(0xa, 0x5, 0x0)
setsockopt$auto(0x2, 0x1, 0x6, &(0x7f0000000000)='\x00', 0x40)
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
open(&(0x7f0000022ff6)='./control\x00', 0x2640, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
mmap$auto(0x0, 0x8, 0xdf, 0x209b72, 0x4e477f5a, 0x8000)
getsockopt$auto(0x6, 0x1, 0x4d, 0xfffffffffffffffe, 0x0)
executing program 0:
mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000)
socket(0x21, 0x2, 0x2)
socket$nl_generic(0x10, 0x3, 0x10)
socket(0x1d, 0x2, 0x2)
socketpair$auto(0x1e, 0x1, 0x8000000000000000, 0x0)
connect$auto(0x5, 0x0, 0x9)
executing program 0:
mmap$auto(0x0, 0x2000a, 0x10000000000df, 0xeb2, 0x401, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
socket(0x2, 0x801, 0x106)
socket$nl_generic(0x10, 0x3, 0x10)
io_uring_setup$auto(0x6, 0x0)
io_uring_register$auto(0x2, 0x19, &(0x7f0000000240), 0x4)
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
memfd_secret$auto(0x0)
openat$auto_snd_pcm_oss_f_reg_pcm_oss(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x20342, 0x0)
write$auto(0x3, 0x0, 0xfffffdef)
mmap$auto(0x0, 0x8, 0xfffffffffffffffa, 0x13, 0x3, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
executing program 3:
mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pts/ptmx\x00', 0x40001, 0x0)
r1 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
ioctl$auto_TCFLSH2(r1, 0x80045439, 0x0)
ioctl$auto_TIOCSETD2(r0, 0x5423, 0x0)
ioctl$auto(r0, 0x89f3, r0)
executing program 2:
bind$auto(0xffffffffffffffff, &(0x7f0000000040)=@in={0x2, 0x3, @broadcast}, 0x6a)
r0 = openat$auto_o2hb_debug_fops_heartbeat(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/o2hb/livenodes\x00', 0x0, 0x0)
read$auto_o2hb_debug_fops_heartbeat(r0, &(0x7f0000000040)=""/4096, 0x1000)
r1 = socket(0xa, 0x2, 0x0)
sendmmsg$auto(r1, &(0x7f0000000180)={{&(0x7f0000000040), 0xb8, 0x0, 0x0, 0x0, 0x0, 0x80000000}, 0x9}, 0x1, 0x8008)
close_range$auto(0x2, 0x8, 0x0)
executing program 2:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
close_range$auto(0x2, 0xa, 0x0)
writev$auto(0x8000, &(0x7f0000000040)={0x0, 0x1000000000004}, 0x2bc)
io_uring_setup$auto(0x6, 0x0)
io_uring_register$auto(0x2, 0x16, &(0x7f0000000040), 0x1)
io_uring_register$auto(0x2, 0x17, &(0x7f00000000c0), 0x1)
executing program 3:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb2, 0x20000000000, 0x8000)
sendmsg$auto_TASKSTATS_CMD_GET(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x400c0}, 0x4040000)
shmctl$auto(0x3, 0xffffffff, &(0x7f0000000180)={{0x7, 0xee00, 0x0, 0x4, 0x3, 0x2, 0x3}, 0xe25, 0x3ff, 0x1, 0x10, @inferred, @inferred, 0x9, 0x0, 0x0, 0x0})
r0 = socket(0x10, 0x2, 0x0)
sendmsg$auto_NL80211_CMD_GET_REG(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000300)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYBLOB="1200", @ANYBLOB="5de1"], 0x1ac}}, 0x40000)
recvmmsg$auto(r0, &(0x7f0000000140)={{0x0, 0x4, 0x0, 0x5, 0x0, 0x2, 0x8}, 0x800}, 0x10a, 0x8, 0x0)
executing program 2:
close_range$auto(0x0, 0xfffffffffffff001, 0x2)
socket(0x2, 0x1, 0x0)
socket(0x18, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
memfd_create$auto(&(0x7f0000000000)='\xc4--:\xdd:,./-${\x00', 0x4)
fallocate$auto(0x8000000000000003, 0x0, 0xf, 0x200000002)
executing program 2:
r0 = openat$auto_tap_fops_tap(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
openat$auto_fault_around_bytes_fops_(0xffffffffffffff9c, 0x0, 0x4000, 0x0)
r1 = openat$auto_snd_pcm_oss_f_reg_pcm_oss(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x2, 0x0)
ioctl$auto_SNDCTL_DSP_SPEED(r1, 0xc0045002, 0x0)
write$auto(r0, 0x0, 0x7138)
executing program 3:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
sendmsg$auto_ETHTOOL_MSG_PSE_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4008014}, 0x4044015)
close_range$auto(0x2, 0x8, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_sg_fops_sg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sg0\x00', 0x28641, 0x0)
writev$auto(0x3, &(0x7f0000000100)={0x0, 0x7111}, 0x8)
executing program 1:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
openat$auto_usbdev_file_operations_usb(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bus/usb/032/001\x00', 0x8e900, 0x0)
open(0x0, 0x591002, 0x408)
r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_trace_dev_match\x00', 0x20080, 0x0)
read$auto_kernfs_file_fops_kernfs_internal(r0, &(0x7f0000000100)=""/188, 0xbc)
openat$auto_ftrace_set_event_notrace_pid_fops_trace_events(0xffffffffffffff9c, 0x0, 0x414802, 0x0)
executing program 3:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
mq_notify$auto(0x4, &(0x7f0000000040)={@sival_ptr=0x0, @inferred, 0x1, @_tid})
sendmsg$auto_NL802154_CMD_DEL_INTERFACE(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, 0x0}, 0x80)
socketpair$auto(0x1, 0x5, 0x8000000000000000, 0x0)
sendmmsg$auto(0xffffffffffffffff, &(0x7f00000000c0)={{0x0, 0x6, 0x0, 0xa7, &(0x7f0000000040)='~', 0x8000, 0x1}, 0x8}, 0x1, 0x9)
sendmmsg$auto(0x3, &(0x7f0000000080)={{0x0, 0x2, 0x0, 0xff, 0x0, 0x1, 0x3}, 0xed7138c}, 0xb, 0x0)
executing program 2:
mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = getpid()
sendmsg$auto_HSR_C_GET_NODE_STATUS(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYRES32], 0x14}, 0x1, 0x0, 0x0, 0x24040004}, 0x800)
process_vm_readv$auto(r0, &(0x7f0000000000)={0x0, 0xfff}, 0x1, &(0x7f0000000280)={&(0x7f0000000080), 0xffffffff}, 0x6, 0x0)
r1 = openat$auto_i2cdev_fops_i2c_dev(0xffffffffffffff9c, &(0x7f0000000200), 0x103001, 0x0)
ioctl$auto_I2C_RDWR(r1, 0x707, 0x0)
executing program 1:
close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2a, 0x2, 0x0)
ioctl$auto(0x3, 0x8915, 0x93)
executing program 3:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
r0 = prctl$auto(0x1000000003b, 0x1, 0x4, 0x5, 0x7)
madvise$auto(0x0, 0xffffffffffff0005, 0x19)
madvise$auto(0x0, 0x2003f0, 0x15)
madvise$auto(0x0, 0x200007, 0x19)
mq_getsetattr$auto(r0, 0x0, 0x0)
executing program 1:
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0)
close_range$auto(0x2, 0xffffffffffffffff, 0x0)
open(0x0, 0x22240, 0x55)
openat$auto_dvb_frontend_fops_dvb_frontend(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$auto(0x3, 0x6f44, 0xffffffffffffffff)
executing program 2:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram2\x00', 0x14f642, 0x0)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
madvise$auto(0x0, 0xfffffffffffefffd, 0x17)
syz_genetlink_get_family_id$auto_netdev(0x0, 0xffffffffffffffff)
read$auto(0x3, 0x0, 0xfffffdef)
write$auto(0x3, 0x0, 0xfdef)
executing program 1:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x2000000000000000)
r0 = socket(0x2, 0x1, 0x106)
bind$auto(0x3, &(0x7f0000000040)=@in={0x2, 0x3, @empty}, 0x6a)
connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54)
sendmmsg$auto(0x3, &(0x7f0000000080)={{0x0, 0x1c03, &(0x7f00000002c0)={0x0, 0xc4}, 0x1, 0x0, 0x0, 0x9}, 0x7}, 0x3, 0x0)
setsockopt$auto(r0, 0x1, 0x12, 0x0, 0xeb66)
executing program 3:
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000010}, 0x80)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xc, 0x800008000)
socketpair$auto(0x1e, 0x1, 0x8000000000000000, 0x0)
write$auto(0x4, 0x0, 0x100082)
bpf$auto(0x0, &(0x7f0000000100)=@task_fd_query={0x5, 0x21ea, 0x7ff, 0x3, 0x9, 0x7, 0x2e}, 0x6f4)
readv$auto(0x3, &(0x7f00000000c0)={0x0, 0x101d0}, 0x400)
executing program 1:
close_range$auto(0x2, 0x8, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
socket(0xa, 0x801, 0x84)
io_uring_setup$auto(0x1, 0x0)
setsockopt$auto(0x3, 0x10000000084, 0x83, 0x0, 0x8)
executing program 1:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
r1 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r1, 0x0, 0xe)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-getsockopt$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
r1 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r1, 0x0, 0xe)

program did not crash
single: failed to extract reproducer
bisect: bisecting 24 programs with base timeout 1m40s
testing program (duration=1m46s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6]
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/virtual/block/ram9/diskseq\x00', 0x0, 0x0)
read$auto(r1, 0x0, 0x20)
writev$auto(r0, &(0x7f0000000200)={0x0, 0x7}, 0x3)
unshare$auto(0x40000080)
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/cgroup\x00')
close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002)
socket(0x2, 0x1, 0x0)
socket(0x1e, 0x1, 0x0)
socket(0xa, 0x5, 0x0)
setsockopt$auto(0x2, 0x1, 0x6, &(0x7f0000000000)='\x00', 0x40)
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
open(&(0x7f0000022ff6)='./control\x00', 0x2640, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
mmap$auto(0x0, 0x8, 0xdf, 0x209b72, 0x4e477f5a, 0x8000)
getsockopt$auto(0x6, 0x1, 0x4d, 0xfffffffffffffffe, 0x0)
executing program 0:
mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000)
socket(0x21, 0x2, 0x2)
socket$nl_generic(0x10, 0x3, 0x10)
socket(0x1d, 0x2, 0x2)
socketpair$auto(0x1e, 0x1, 0x8000000000000000, 0x0)
connect$auto(0x5, 0x0, 0x9)
executing program 0:
mmap$auto(0x0, 0x2000a, 0x10000000000df, 0xeb2, 0x401, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
socket(0x2, 0x801, 0x106)
socket$nl_generic(0x10, 0x3, 0x10)
io_uring_setup$auto(0x6, 0x0)
io_uring_register$auto(0x2, 0x19, &(0x7f0000000240), 0x4)
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
memfd_secret$auto(0x0)
openat$auto_snd_pcm_oss_f_reg_pcm_oss(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x20342, 0x0)
write$auto(0x3, 0x0, 0xfffffdef)
mmap$auto(0x0, 0x8, 0xfffffffffffffffa, 0x13, 0x3, 0x0)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
executing program 3:
mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pts/ptmx\x00', 0x40001, 0x0)
r1 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
ioctl$auto_TCFLSH2(r1, 0x80045439, 0x0)
ioctl$auto_TIOCSETD2(r0, 0x5423, 0x0)
ioctl$auto(r0, 0x89f3, r0)
executing program 2:
bind$auto(0xffffffffffffffff, &(0x7f0000000040)=@in={0x2, 0x3, @broadcast}, 0x6a)
r0 = openat$auto_o2hb_debug_fops_heartbeat(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/o2hb/livenodes\x00', 0x0, 0x0)
read$auto_o2hb_debug_fops_heartbeat(r0, &(0x7f0000000040)=""/4096, 0x1000)
r1 = socket(0xa, 0x2, 0x0)
sendmmsg$auto(r1, &(0x7f0000000180)={{&(0x7f0000000040), 0xb8, 0x0, 0x0, 0x0, 0x0, 0x80000000}, 0x9}, 0x1, 0x8008)
close_range$auto(0x2, 0x8, 0x0)
executing program 2:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
close_range$auto(0x2, 0xa, 0x0)
writev$auto(0x8000, &(0x7f0000000040)={0x0, 0x1000000000004}, 0x2bc)
io_uring_setup$auto(0x6, 0x0)
io_uring_register$auto(0x2, 0x16, &(0x7f0000000040), 0x1)
io_uring_register$auto(0x2, 0x17, &(0x7f00000000c0), 0x1)
executing program 3:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb2, 0x20000000000, 0x8000)
sendmsg$auto_TASKSTATS_CMD_GET(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x400c0}, 0x4040000)
shmctl$auto(0x3, 0xffffffff, &(0x7f0000000180)={{0x7, 0xee00, 0x0, 0x4, 0x3, 0x2, 0x3}, 0xe25, 0x3ff, 0x1, 0x10, @inferred, @inferred, 0x9, 0x0, 0x0, 0x0})
r0 = socket(0x10, 0x2, 0x0)
sendmsg$auto_NL80211_CMD_GET_REG(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000300)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYBLOB="1200", @ANYBLOB="5de1"], 0x1ac}}, 0x40000)
recvmmsg$auto(r0, &(0x7f0000000140)={{0x0, 0x4, 0x0, 0x5, 0x0, 0x2, 0x8}, 0x800}, 0x10a, 0x8, 0x0)
executing program 2:
close_range$auto(0x0, 0xfffffffffffff001, 0x2)
socket(0x2, 0x1, 0x0)
socket(0x18, 0x2, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
memfd_create$auto(&(0x7f0000000000)='\xc4--:\xdd:,./-${\x00', 0x4)
fallocate$auto(0x8000000000000003, 0x0, 0xf, 0x200000002)
executing program 2:
r0 = openat$auto_tap_fops_tap(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
openat$auto_fault_around_bytes_fops_(0xffffffffffffff9c, 0x0, 0x4000, 0x0)
r1 = openat$auto_snd_pcm_oss_f_reg_pcm_oss(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x2, 0x0)
ioctl$auto_SNDCTL_DSP_SPEED(r1, 0xc0045002, 0x0)
write$auto(r0, 0x0, 0x7138)
executing program 3:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
sendmsg$auto_ETHTOOL_MSG_PSE_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4008014}, 0x4044015)
close_range$auto(0x2, 0x8, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_sg_fops_sg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sg0\x00', 0x28641, 0x0)
writev$auto(0x3, &(0x7f0000000100)={0x0, 0x7111}, 0x8)
executing program 1:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
openat$auto_usbdev_file_operations_usb(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bus/usb/032/001\x00', 0x8e900, 0x0)
open(0x0, 0x591002, 0x408)
r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_trace_dev_match\x00', 0x20080, 0x0)
read$auto_kernfs_file_fops_kernfs_internal(r0, &(0x7f0000000100)=""/188, 0xbc)
openat$auto_ftrace_set_event_notrace_pid_fops_trace_events(0xffffffffffffff9c, 0x0, 0x414802, 0x0)
executing program 3:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
mq_notify$auto(0x4, &(0x7f0000000040)={@sival_ptr=0x0, @inferred, 0x1, @_tid})
sendmsg$auto_NL802154_CMD_DEL_INTERFACE(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, 0x0}, 0x80)
socketpair$auto(0x1, 0x5, 0x8000000000000000, 0x0)
sendmmsg$auto(0xffffffffffffffff, &(0x7f00000000c0)={{0x0, 0x6, 0x0, 0xa7, &(0x7f0000000040)='~', 0x8000, 0x1}, 0x8}, 0x1, 0x9)
sendmmsg$auto(0x3, &(0x7f0000000080)={{0x0, 0x2, 0x0, 0xff, 0x0, 0x1, 0x3}, 0xed7138c}, 0xb, 0x0)
executing program 2:
mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = getpid()
sendmsg$auto_HSR_C_GET_NODE_STATUS(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYRES32], 0x14}, 0x1, 0x0, 0x0, 0x24040004}, 0x800)
process_vm_readv$auto(r0, &(0x7f0000000000)={0x0, 0xfff}, 0x1, &(0x7f0000000280)={&(0x7f0000000080), 0xffffffff}, 0x6, 0x0)
r1 = openat$auto_i2cdev_fops_i2c_dev(0xffffffffffffff9c, &(0x7f0000000200), 0x103001, 0x0)
ioctl$auto_I2C_RDWR(r1, 0x707, 0x0)
executing program 1:
close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2a, 0x2, 0x0)
ioctl$auto(0x3, 0x8915, 0x93)
executing program 3:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
r0 = prctl$auto(0x1000000003b, 0x1, 0x4, 0x5, 0x7)
madvise$auto(0x0, 0xffffffffffff0005, 0x19)
madvise$auto(0x0, 0x2003f0, 0x15)
madvise$auto(0x0, 0x200007, 0x19)
mq_getsetattr$auto(r0, 0x0, 0x0)
executing program 1:
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0)
close_range$auto(0x2, 0xffffffffffffffff, 0x0)
open(0x0, 0x22240, 0x55)
openat$auto_dvb_frontend_fops_dvb_frontend(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$auto(0x3, 0x6f44, 0xffffffffffffffff)
executing program 2:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram2\x00', 0x14f642, 0x0)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
madvise$auto(0x0, 0xfffffffffffefffd, 0x17)
syz_genetlink_get_family_id$auto_netdev(0x0, 0xffffffffffffffff)
read$auto(0x3, 0x0, 0xfffffdef)
write$auto(0x3, 0x0, 0xfdef)
executing program 1:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x2000000000000000)
r0 = socket(0x2, 0x1, 0x106)
bind$auto(0x3, &(0x7f0000000040)=@in={0x2, 0x3, @empty}, 0x6a)
connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54)
sendmmsg$auto(0x3, &(0x7f0000000080)={{0x0, 0x1c03, &(0x7f00000002c0)={0x0, 0xc4}, 0x1, 0x0, 0x0, 0x9}, 0x7}, 0x3, 0x0)
setsockopt$auto(r0, 0x1, 0x12, 0x0, 0xeb66)
executing program 3:
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000010}, 0x80)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xc, 0x800008000)
socketpair$auto(0x1e, 0x1, 0x8000000000000000, 0x0)
write$auto(0x4, 0x0, 0x100082)
bpf$auto(0x0, &(0x7f0000000100)=@task_fd_query={0x5, 0x21ea, 0x7ff, 0x3, 0x9, 0x7, 0x2e}, 0x6f4)
readv$auto(0x3, &(0x7f00000000c0)={0x0, 0x101d0}, 0x400)
executing program 1:
close_range$auto(0x2, 0x8, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
socket(0xa, 0x801, 0x84)
io_uring_setup$auto(0x1, 0x0)
setsockopt$auto(0x3, 0x10000000084, 0x83, 0x0, 0x8)
executing program 1:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
r1 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r1, 0x0, 0xe)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-getsockopt$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
r1 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r1, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-getsockopt$auto-openat$auto_force_devcoredump_fops_hci_vhci
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-getsockopt$auto-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = socket(0xa, 0x801, 0x84)
getsockopt$auto(r0, 0x84, 0x72, 0x0, &(0x7f0000000100)=0x22a)
write$auto(0xffffffffffffffff, 0x0, 0xe)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-socket-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
socket(0xa, 0x801, 0x84)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-socketpair$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
socketpair$auto(0x5, 0x2, 0x7, 0x0)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000)
r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0)
write$auto(r0, 0x0, 0xe)

program crashed: KASAN: slab-use-after-free Read in force_devcd_write
extracting C reproducer
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
reproducing took 1h3m32.284913419s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in force_devcd_write+0x317/0x330 drivers/bluetooth/hci_vhci.c:327
Read of size 8 at addr ffff888028f71800 by task syz.0.616/6660

CPU: 1 UID: 0 PID: 6660 Comm: syz.0.616 Not tainted 6.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0xc3/0x670 mm/kasan/report.c:521
 kasan_report+0xd9/0x110 mm/kasan/report.c:634
 force_devcd_write+0x317/0x330 drivers/bluetooth/hci_vhci.c:327
 full_proxy_write+0x13c/0x200 fs/debugfs/file.c:398
 vfs_write+0x24c/0x1150 fs/read_write.c:677
 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: 0033:0x7f13e258d169
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:00007ffd19560cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f13e27a5fa0 RCX: 00007f13e258d169
RDX: 000000000000000e RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f13e260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13e27a5fa0 R14: 00007f13e27a5fa0 R15: 0000000000000003
 </TASK>

Allocated by task 5972:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 vhci_open+0x4c/0x430 drivers/bluetooth/hci_vhci.c:634
 misc_open+0x35a/0x420 drivers/char/misc.c:179
 chrdev_open+0x237/0x6a0 fs/char_dev.c:414
 do_dentry_open+0x735/0x1c40 fs/open.c:956
 vfs_open+0x82/0x3f0 fs/open.c:1086
 do_open fs/namei.c:3830 [inline]
 path_openat+0x1e88/0x2d80 fs/namei.c:3989
 do_filp_open+0x20c/0x470 fs/namei.c:4016
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1454
 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

Freed by task 5972:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4609 [inline]
 kfree+0x2c4/0x4d0 mm/slub.c:4757
 vhci_release+0xbb/0xf0 drivers/bluetooth/hci_vhci.c:670
 __fput+0x3ff/0xb70 fs/file_table.c:464
 task_work_run+0x14e/0x250 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xad8/0x2d70 kernel/exit.c:938
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3036
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888028f71800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 0 bytes inside of
 freed 1024-byte region [ffff888028f71800, ffff888028f71c00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28f70
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801b041dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801b041dc0 dead000000000100 dead000000000122
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea0000a3dc01 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5662, tgid 5662 (dhcpcd), ts 61550631337, free_ts 56422761029
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
 alloc_pages_mpol+0x1fc/0x540 mm/mempolicy.c:2270
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab mm/slub.c:2587 [inline]
 new_slab+0x23d/0x330 mm/slub.c:2640
 ___slab_alloc+0xc5d/0x1720 mm/slub.c:3826
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __do_kmalloc_node mm/slub.c:4293 [inline]
 __kmalloc_node_noprof+0x2f0/0x510 mm/slub.c:4300
 __kvmalloc_node_noprof+0xad/0x1a0 mm/util.c:662
 kvmalloc_array_node_noprof include/linux/slab.h:1063 [inline]
 bpf_int_jit_compile+0x7f4/0x1830 arch/x86/net/bpf_jit_comp.c:3491
 bpf_prog_select_runtime+0x32a/0x4c0 kernel/bpf/core.c:2428
 bpf_migrate_filter net/core/filter.c:1307 [inline]
 bpf_prepare_filter+0xd3d/0x1100 net/core/filter.c:1355
 __get_filter+0x20b/0x2b0 net/core/filter.c:1524
 sk_attach_filter+0x1e/0x180 net/core/filter.c:1539
 sk_setsockopt+0x2f03/0x3c00 net/core/sock.c:1460
 do_sock_setsockopt+0x3f4/0x480 net/socket.c:2299
page last free pid 5644 tgid 5644 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 __put_partials+0x14c/0x170 mm/slub.c:3153
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4171
 getname_flags.part.0+0x4c/0x550 fs/namei.c:139
 getname_flags include/linux/audit.h:322 [inline]
 getname+0x8d/0xe0 fs/namei.c:223
 do_sys_openat2+0x104/0x1e0 fs/open.c:1422
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1454
 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

Memory state around the buggy address:
 ffff888028f71700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888028f71780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888028f71800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888028f71880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888028f71900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in force_devcd_write+0x317/0x330 drivers/bluetooth/hci_vhci.c:327
Read of size 8 at addr ffff888028f71800 by task syz.0.616/6660

CPU: 1 UID: 0 PID: 6660 Comm: syz.0.616 Not tainted 6.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0xc3/0x670 mm/kasan/report.c:521
 kasan_report+0xd9/0x110 mm/kasan/report.c:634
 force_devcd_write+0x317/0x330 drivers/bluetooth/hci_vhci.c:327
 full_proxy_write+0x13c/0x200 fs/debugfs/file.c:398
 vfs_write+0x24c/0x1150 fs/read_write.c:677
 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: 0033:0x7f13e258d169
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:00007ffd19560cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f13e27a5fa0 RCX: 00007f13e258d169
RDX: 000000000000000e RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f13e260e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13e27a5fa0 R14: 00007f13e27a5fa0 R15: 0000000000000003
 </TASK>

Allocated by task 5972:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 vhci_open+0x4c/0x430 drivers/bluetooth/hci_vhci.c:634
 misc_open+0x35a/0x420 drivers/char/misc.c:179
 chrdev_open+0x237/0x6a0 fs/char_dev.c:414
 do_dentry_open+0x735/0x1c40 fs/open.c:956
 vfs_open+0x82/0x3f0 fs/open.c:1086
 do_open fs/namei.c:3830 [inline]
 path_openat+0x1e88/0x2d80 fs/namei.c:3989
 do_filp_open+0x20c/0x470 fs/namei.c:4016
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1454
 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

Freed by task 5972:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4609 [inline]
 kfree+0x2c4/0x4d0 mm/slub.c:4757
 vhci_release+0xbb/0xf0 drivers/bluetooth/hci_vhci.c:670
 __fput+0x3ff/0xb70 fs/file_table.c:464
 task_work_run+0x14e/0x250 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xad8/0x2d70 kernel/exit.c:938
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3036
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888028f71800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 0 bytes inside of
 freed 1024-byte region [ffff888028f71800, ffff888028f71c00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28f70
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801b041dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801b041dc0 dead000000000100 dead000000000122
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea0000a3dc01 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5662, tgid 5662 (dhcpcd), ts 61550631337, free_ts 56422761029
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740
 alloc_pages_mpol+0x1fc/0x540 mm/mempolicy.c:2270
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab mm/slub.c:2587 [inline]
 new_slab+0x23d/0x330 mm/slub.c:2640
 ___slab_alloc+0xc5d/0x1720 mm/slub.c:3826
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __do_kmalloc_node mm/slub.c:4293 [inline]
 __kmalloc_node_noprof+0x2f0/0x510 mm/slub.c:4300
 __kvmalloc_node_noprof+0xad/0x1a0 mm/util.c:662
 kvmalloc_array_node_noprof include/linux/slab.h:1063 [inline]
 bpf_int_jit_compile+0x7f4/0x1830 arch/x86/net/bpf_jit_comp.c:3491
 bpf_prog_select_runtime+0x32a/0x4c0 kernel/bpf/core.c:2428
 bpf_migrate_filter net/core/filter.c:1307 [inline]
 bpf_prepare_filter+0xd3d/0x1100 net/core/filter.c:1355
 __get_filter+0x20b/0x2b0 net/core/filter.c:1524
 sk_attach_filter+0x1e/0x180 net/core/filter.c:1539
 sk_setsockopt+0x2f03/0x3c00 net/core/sock.c:1460
 do_sock_setsockopt+0x3f4/0x480 net/socket.c:2299
page last free pid 5644 tgid 5644 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 __put_partials+0x14c/0x170 mm/slub.c:3153
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4171
 getname_flags.part.0+0x4c/0x550 fs/namei.c:139
 getname_flags include/linux/audit.h:322 [inline]
 getname+0x8d/0xe0 fs/namei.c:223
 do_sys_openat2+0x104/0x1e0 fs/open.c:1422
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1454
 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

Memory state around the buggy address:
 ffff888028f71700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888028f71780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888028f71800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888028f71880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888028f71900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================