ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1607419889
<...>
Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts.
execve("ci2-android-5-10/syz-executor1607419889", ["ci2-android-5-10/syz-executor1607419889"], 0x7ffc2e99be80 /* 10 vars */) = 0
brk(NULL) = 0x55556f9fa000
brk(0x55556f9fad40) = 0x55556f9fad40
arch_prctl(ARCH_SET_FS, 0x55556f9fa3c0) = 0
set_tid_address(0x55556f9fa690) = 297
set_robust_list(0x55556f9fa6a0, 24) = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-10/syz-executor1607419889", 4096) = 45
getrandom("\xdb\x42\x2d\x15\x29\x81\x73\xc0", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556f9fad40
brk(0x55556fa1bd40) = 0x55556fa1bd40
brk(0x55556fa1c000) = 0x55556fa1c000
mprotect(0x7f753cc23000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18) = 18
executing program
openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3
ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffd417a8cc0) = 0
ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
[ 21.420700][ T24] audit: type=1400 audit(1787125852.460:64): avc: denied { execmem } for pid=297 comm="syz-executor160" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.440271][ T24] audit: type=1400 audit(1787125852.470:65): avc: denied { read write } for pid=297 comm="syz-executor160" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 21.463929][ T24] audit: type=1400 audit(1787125852.470:66): avc: denied { open } for pid=297 comm="syz-executor160" path="/dev/raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 21.487508][ T24] audit: type=1400 audit(1787125852.470:67): avc: denied { ioctl } for pid=297 comm="syz-executor160" path="/dev/raw-gadget" dev="devtmpfs" ino=253 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cb0) = 18
[ 21.690227][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cb0) = 18
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cb0) = 9
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cb0) = 36
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cc0) = 0
ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0
ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0
ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f753cc29b4c) = 0
ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd417a7cb0) = 0
[ 22.050287][ T25] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[ 22.061181][ T25] usb 1-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.40
[ 22.070205][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 22.079165][ T25] usb 1-1: config 0 descriptor??
ioctl(-1, KDFONTOP, {op=0x4 /* KD_FONT_OP_??? */, flags=0, width=5, height=0, charcount=256, data=0x2000000000c0}) = -1 EBADF (Bad file descriptor)
close(3) = 0
[ 22.420221][ T25] usbhid 1-1:0.0: can't add hid device: -71
[ 22.426183][ T25] usbhid: probe of 1-1:0.0 failed with error -71
[ 22.434169][ T25] usb 1-1: USB disconnect, device number 2
openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3
ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffd417a8cd0) = 0
ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cc0) = 18
[ 22.890195][ T25] usb 1-1: new high-speed USB device number 3 using dummy_hcd
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cc0) = 18
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cc0) = 9
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd417a7cc0) = 36
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8cd0) = 0
ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0
ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0
ioctl(3, USB_RAW_IOCTL_EP_DISABLE, 0) = -1 EINVAL (Invalid argument)
ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f753cc29b4c) = 0
ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd417a7cc0) = 0
[ 23.250270][ T25] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[ 23.261180][ T25] usb 1-1: New USB device found, idVendor=0458, idProduct=5003, bcdDevice= 0.40
[ 23.270219][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 23.278611][ T25] usb 1-1: config 0 descriptor??
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8d00) = 0
ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd417a7cf0) = 3
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8d00) = 0
ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd417a7cf0) = 3
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd417a8d00) = 0
ioctl(3, USB_RAW_IOCTL_EP0_STALL, 0) = 0
[ 24.220265][ T25] aiptek 1-1:0.0: Aiptek using 400 ms programming speed
[ 24.227636][ T25] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input4
[ 24.690207][ C1] ================================================================================
[ 24.699501][ C1] UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
[ 24.708065][ C1] index 19545 is out of range for type 'const int[34]'
[ 24.714933][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
[ 24.721934][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 24.731977][ C1] Call Trace:
[ 24.735237][ C1]
[ 24.738085][ C1] __dump_stack+0x21/0x24
[ 24.742390][ C1] dump_stack_lvl+0x1a7/0x208
[ 24.747047][ C1] ? show_regs_print_info+0x18/0x18
[ 24.752239][ C1] dump_stack+0x15/0x1c
[ 24.756395][ C1] ubsan_epilogue+0xe/0x40
[ 24.760802][ C1] __ubsan_handle_out_of_bounds+0xdf/0xf0
[ 24.766506][ C1] aiptek_irq+0x1fa2/0x2860
[ 24.770995][ C1] ? kcov_remote_start+0x100/0x390
[ 24.776089][ C1] ? usb_unanchor_urb+0xa1/0xc0
[ 24.780918][ C1] __usb_hcd_giveback_urb+0x32f/0x4f0
[ 24.786269][ C1] usb_hcd_giveback_urb+0x11d/0x3f0
[ 24.791444][ C1] ? _raw_spin_unlock+0x4d/0x70
[ 24.796268][ C1] ? usb_hcd_unlink_urb_from_ep+0x10e/0x120
[ 24.802174][ C1] dummy_timer+0xa34/0x31d0
[ 24.806659][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 24.811850][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 24.817025][ C1] call_timer_fn+0x38/0x290
[ 24.821503][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 24.826677][ C1] __run_timers+0x637/0x9a0
[ 24.831159][ C1] ? calc_index+0x200/0x200
[ 24.835635][ C1] ? sched_clock_cpu+0x1b/0x3d0
[ 24.840462][ C1] run_timer_softirq+0x6a/0xf0
[ 24.845204][ C1] __do_softirq+0x255/0x563
[ 24.849687][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 24.855205][ C1] asm_call_irq_on_stack+0xf/0x20
[ 24.860203][ C1]
[ 24.863128][ C1] do_softirq_own_stack+0x60/0x80
[ 24.868127][ C1] __irq_exit_rcu+0x128/0x150
[ 24.872778][ C1] irq_exit_rcu+0x9/0x10
[ 24.877022][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0
[ 24.882631][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 24.888587][ C1] RIP: 0010:default_idle+0x12/0x20
[ 24.893671][ C1] Code: 49 bd 00 00 00 00 00 fc ff df e9 68 ff ff ff e8 64 f8 fa ff 00 00 cc cc 55 48 89 e5 0f 1f 44 00 00 0f 00 2d b0 1c 63 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
[ 24.913253][ C1] RSP: 0018:ffffc90000107db8 EFLAGS: 00000242
[ 24.919297][ C1] RAX: ffff8881f7100000 RBX: ffff8881002962c0 RCX: 00000000000078ea
[ 24.927250][ C1] RDX: 0000000000000001 RSI: ffffffff85406640 RDI: ffffffff85406600
[ 24.935196][ C1] RBP: ffffc90000107db8 R08: ffff8881f71573d3 R09: 1ffff1103ee2ae7a
[ 24.943143][ C1] R10: dffffc0000000000 R11: ffffed103ee2ae7b R12: 0000000000000000
[ 24.951093][ C1] R13: 1ffff11020052c58 R14: dffffc0000000000 R15: dffffc0000000000
[ 24.959055][ C1] arch_cpu_idle+0xa/0x10
[ 24.963365][ C1] default_idle_call+0x71/0x1d0
[ 24.968192][ C1] do_idle+0x217/0x620
[ 24.972239][ C1] ? idle_inject_timer_fn+0x60/0x60
[ 24.977412][ C1] ? _raw_spin_lock_bh+0xc1/0xf0
[ 24.982322][ C1] ? complete+0x69/0xb0
[ 24.986454][ C1] cpu_startup_entry+0x18/0x20
[ 24.991192][ C1] start_secondary+0x2cb/0x380
[ 24.995932][ C1] secondary_startup_64_no_verify+0xad/0xbb
[ 25.001795][ C1] ================================================================================
[ 25.011053][ C1] ================================================================================
[ 25.020317][ C1] UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
[ 25.028877][ C1] index 19546 is out of range for type 'const int[34]'
[ 25.035704][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
[ 25.042711][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 25.052741][ C1] Call Trace:
[ 25.056000][ C1]
[ 25.058836][ C1] __dump_stack+0x21/0x24
[ 25.063157][ C1] dump_stack_lvl+0x1a7/0x208
[ 25.067826][ C1] ? show_regs_print_info+0x18/0x18
[ 25.073009][ C1] dump_stack+0x15/0x1c
[ 25.077151][ C1] ubsan_epilogue+0xe/0x40
[ 25.081550][ C1] __ubsan_handle_out_of_bounds+0xdf/0xf0
[ 25.087250][ C1] aiptek_irq+0x1e71/0x2860
[ 25.091731][ C1] ? kcov_remote_start+0x100/0x390
[ 25.096822][ C1] __usb_hcd_giveback_urb+0x32f/0x4f0
[ 25.102168][ C1] usb_hcd_giveback_urb+0x11d/0x3f0
[ 25.107342][ C1] ? _raw_spin_unlock+0x4d/0x70
[ 25.112189][ C1] ? usb_hcd_unlink_urb_from_ep+0x10e/0x120
[ 25.118102][ C1] dummy_timer+0xa34/0x31d0
[ 25.122597][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.127774][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.132955][ C1] call_timer_fn+0x38/0x290
[ 25.137442][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.142636][ C1] __run_timers+0x637/0x9a0
[ 25.147206][ C1] ? calc_index+0x200/0x200
[ 25.151683][ C1] ? sched_clock_cpu+0x1b/0x3d0
[ 25.156509][ C1] run_timer_softirq+0x6a/0xf0
[ 25.161252][ C1] __do_softirq+0x255/0x563
[ 25.165733][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 25.171253][ C1] asm_call_irq_on_stack+0xf/0x20
[ 25.176246][ C1]
[ 25.179162][ C1] do_softirq_own_stack+0x60/0x80
[ 25.184161][ C1] __irq_exit_rcu+0x128/0x150
[ 25.189334][ C1] irq_exit_rcu+0x9/0x10
[ 25.193564][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0
[ 25.199268][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 25.205226][ C1] RIP: 0010:default_idle+0x12/0x20
[ 25.210316][ C1] Code: 49 bd 00 00 00 00 00 fc ff df e9 68 ff ff ff e8 64 f8 fa ff 00 00 cc cc 55 48 89 e5 0f 1f 44 00 00 0f 00 2d b0 1c 63 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
[ 25.229896][ C1] RSP: 0018:ffffc90000107db8 EFLAGS: 00000242
[ 25.235940][ C1] RAX: ffff8881f7100000 RBX: ffff8881002962c0 RCX: 00000000000078ea
[ 25.243893][ C1] RDX: 0000000000000001 RSI: ffffffff85406640 RDI: ffffffff85406600
[ 25.251844][ C1] RBP: ffffc90000107db8 R08: ffff8881f71573d3 R09: 1ffff1103ee2ae7a
[ 25.259792][ C1] R10: dffffc0000000000 R11: ffffed103ee2ae7b R12: 0000000000000000
[ 25.267769][ C1] R13: 1ffff11020052c58 R14: dffffc0000000000 R15: dffffc0000000000
[ 25.275741][ C1] arch_cpu_idle+0xa/0x10
[ 25.280065][ C1] default_idle_call+0x71/0x1d0
[ 25.284899][ C1] do_idle+0x217/0x620
[ 25.288944][ C1] ? idle_inject_timer_fn+0x60/0x60
[ 25.294129][ C1] ? _raw_spin_lock_bh+0xc1/0xf0
[ 25.299047][ C1] ? complete+0x69/0xb0
[ 25.303189][ C1] cpu_startup_entry+0x18/0x20
[ 25.307935][ C1] start_secondary+0x2cb/0x380
[ 25.312676][ C1] secondary_startup_64_no_verify+0xad/0xbb
[ 25.318542][ C1] ================================================================================
[ 25.327803][ C1] ==================================================================
[ 25.335847][ C1] BUG: KASAN: global-out-of-bounds in aiptek_irq+0x1e8f/0x2860
[ 25.343362][ C1] Read of size 4 at addr ffffffff855c1028 by task swapper/1/0
[ 25.350782][ C1]
[ 25.353091][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
[ 25.360080][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 25.370109][ C1] Call Trace:
[ 25.373369][ C1]
[ 25.376201][ C1] __dump_stack+0x21/0x24
[ 25.380504][ C1] dump_stack_lvl+0x1a7/0x208
[ 25.385154][ C1] ? show_regs_print_info+0x18/0x18
[ 25.390328][ C1] ? thaw_kernel_threads+0x220/0x220
[ 25.395590][ C1] print_address_description+0x7f/0x2c0
[ 25.401109][ C1] ? aiptek_irq+0x1e8f/0x2860
[ 25.405761][ C1] kasan_report+0x100/0x140
[ 25.410236][ C1] ? aiptek_irq+0x1e8f/0x2860
[ 25.414889][ C1] __asan_report_load4_noabort+0x14/0x20
[ 25.420497][ C1] aiptek_irq+0x1e8f/0x2860
[ 25.424980][ C1] ? kcov_remote_start+0x100/0x390
[ 25.430069][ C1] __usb_hcd_giveback_urb+0x32f/0x4f0
[ 25.435414][ C1] usb_hcd_giveback_urb+0x11d/0x3f0
[ 25.440586][ C1] ? _raw_spin_unlock+0x4d/0x70
[ 25.445411][ C1] ? usb_hcd_unlink_urb_from_ep+0x10e/0x120
[ 25.451285][ C1] dummy_timer+0xa34/0x31d0
[ 25.455767][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.460939][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.466110][ C1] call_timer_fn+0x38/0x290
[ 25.470586][ C1] ? dummy_free_streams+0x5c0/0x5c0
[ 25.475755][ C1] __run_timers+0x637/0x9a0
[ 25.480234][ C1] ? calc_index+0x200/0x200
[ 25.484711][ C1] ? sched_clock_cpu+0x1b/0x3d0
[ 25.489535][ C1] run_timer_softirq+0x6a/0xf0
[ 25.494276][ C1] __do_softirq+0x255/0x563
[ 25.498752][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 25.504274][ C1] asm_call_irq_on_stack+0xf/0x20
[ 25.509282][ C1]
[ 25.512196][ C1] do_softirq_own_stack+0x60/0x80
[ 25.517198][ C1] __irq_exit_rcu+0x128/0x150
[ 25.521853][ C1] irq_exit_rcu+0x9/0x10
[ 25.526068][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0
[ 25.531677][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 25.537631][ C1] RIP: 0010:default_idle+0x12/0x20
[ 25.542714][ C1] Code: 49 bd 00 00 00 00 00 fc ff df e9 68 ff ff ff e8 64 f8 fa ff 00 00 cc cc 55 48 89 e5 0f 1f 44 00 00 0f 00 2d b0 1c 63 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
[ 25.562292][ C1] RSP: 0018:ffffc90000107db8 EFLAGS: 00000242
[ 25.568331][ C1] RAX: ffff8881f7100000 RBX: ffff8881002962c0 RCX: 00000000000078ea
[ 25.576281][ C1] RDX: 0000000000000001 RSI: ffffffff85406640 RDI: ffffffff85406600
[ 25.584228][ C1] RBP: ffffc90000107db8 R08: ffff8881f71573d3 R09: 1ffff1103ee2ae7a
[ 25.592172][ C1] R10: dffffc0000000000 R11: ffffed103ee2ae7b R12: 0000000000000000
[ 25.600118][ C1] R13: 1ffff11020052c58 R14: dffffc0000000000 R15: dffffc0000000000
[ 25.608078][ C1] arch_cpu_idle+0xa/0x10
[ 25.612381][ C1] default_idle_call+0x71/0x1d0
[ 25.617205][ C1] do_idle+0x217/0x620
[ 25.621247][ C1] ? idle_inject_timer_fn+0x60/0x60
[ 25.626421][ C1] ? _raw_spin_lock_bh+0xc1/0xf0
[ 25.631330][ C1] ? complete+0x69/0xb0
[ 25.635459][ C1] cpu_startup_entry+0x18/0x20
[ 25.640197][ C1] start_secondary+0x2cb/0x380
[ 25.644938][ C1] secondary_startup_64_no_verify+0xad/0xbb
[ 25.650802][ C1]
[ 25.653105][ C1] The buggy address belongs to the variable:
[ 25.659053][ C1] .str.305+0x8/0x20
[ 25.662914][ C1]
[ 25.665213][ C1] Memory state around the buggy address:
[ 25.670816][ C1] ffffffff855c0f00: 00 00 f9 f9 00 00 01 f9 f9 f9 f9 f9 00 00 04 f9
[ 25.678850][ C1] ffffffff855c0f80: f9 f9 f9 f9 00 03 f9 f9 00 06 f9 f9 00 03 f9 f9
[ 25.686885][ C1] >ffffffff855c1000: 00 06 f9 f9 00 03 f9 f9 00 00 05 f9 f9 f9 f9 f9
[ 25.694916][ C1] ^
[ 25.700265][ C1] ffffffff855c1080: 00 00 05 f9 f9 f9 f9 f9 00 00 05 f9 f9 f9 f9 f9
[ 25.708296][ C1] ffffffff855c1100: 00 00 05 f9 f9 f9 f9 f9 00 00 04 f9 f9 f9 f9 f9
[ 25.716326][ C1] ==================================================================
[ 25.724359][ C1] Disabling lock debugging due to kernel taint