.135543][ T4364] kobject_add_internal failed for 0 (error: -12 parent: mq)
[   67.136256][  T144] team0 (unregistering): Port device team_slave_1 removed
[   67.172617][ T4366] 0x000000000003-0x000000010001 : ""
[   67.178457][  T144] team0 (unregistering): Port device team_slave_0 removed
[   67.192477][ T4366] ftl_cs: FTL header corrupt!
[   67.199580][ T4366] FAULT_INJECTION: forcing a failure.
[   67.199580][ T4366] name failslab, interval 1, probability 0, space 0, times 0
[   67.201432][  T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   67.214938][ T4366] CPU: 1 PID: 4366 Comm: syz.0.24 Not tainted syzkaller #0
[   67.227866][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   67.237923][ T4366] Call Trace:
[   67.241202][ T4366]  <TASK>
[   67.244131][ T4366]  dump_stack_lvl+0x188/0x250
[   67.248806][ T4366]  ? show_regs_print_info+0x20/0x20
[   67.253989][ T4366]  ? load_image+0x410/0x410
[   67.258473][ T4366]  ? __might_sleep+0xf0/0xf0
[   67.263041][ T4366]  ? __lock_acquire+0x7d40/0x7d40
[   67.268044][ T4366]  should_fail+0x383/0x4b0
[   67.272444][ T4366]  should_failslab+0x5/0x20
[   67.276953][ T4366]  slab_pre_alloc_hook+0x51/0xc0
[   67.281866][ T4366]  ? __kernfs_new_node+0xe3/0x6b0
[   67.286868][ T4366]  kmem_cache_alloc+0x3d/0x280
[   67.291610][ T4366]  __kernfs_new_node+0xe3/0x6b0
[   67.296439][ T4366]  ? kernfs_new_node+0x250/0x250
[   67.301353][ T4366]  ? pointer+0xc60/0xc60
[   67.305575][ T4366]  ? format_decode+0xb38/0x1330
[   67.310408][ T4366]  kernfs_new_node+0x148/0x250
[   67.315149][ T4366]  kernfs_create_dir_ns+0x40/0x120
[   67.320247][ T4366]  sysfs_create_dir_ns+0x12c/0x290
[   67.325353][ T4366]  ? sysfs_warn_dup+0xa0/0xa0
[   67.330007][ T4366]  ? sysfs_create_dir_ns+0x167/0x290
[   67.335272][ T4366]  ? rcu_is_watching+0x11/0xa0
[   67.340012][ T4366]  ? kobject_set_name_vargs+0xc6/0x110
[   67.345448][ T4366]  kobject_add_internal+0x5ba/0xcd0
[   67.350626][ T4366]  kobject_add+0x160/0x230
[   67.355023][ T4366]  ? kobject_init+0x1c0/0x1c0
[   67.359684][ T4366]  ? kobject_init+0x1c0/0x1c0
[   67.364334][ T4366]  ? dev_uevent_filter+0x3f/0xb0
[   67.369251][ T4366]  blk_mq_register_hctx+0x1d5/0x400
[   67.374428][ T4366]  __blk_mq_register_dev+0x206/0x640
[   67.379700][ T4366]  ? debugfs_create_dir+0x423/0x4c0
[   67.384878][ T4366]  blk_register_queue+0x1fc/0x3a0
[   67.389881][ T4366]  device_add_disk+0x60f/0xde0
[   67.394625][ T4366]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   67.399890][ T4366]  mtdblock_add_mtd+0x186/0x240
[   67.404717][ T4366]  blktrans_notify_add+0x95/0xe0
[   67.409630][ T4366]  add_mtd_device+0xd40/0x1260
[   67.414386][ T4366]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   67.420182][ T4366]  ? mtd_cls_resume+0x130/0x130
[   67.425048][ T4366]  mtd_add_partition+0x25d/0x420
[   67.429986][ T4366]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   67.435077][ T4366]  ? shrink_ecclayout+0xab0/0xab0
[   67.440107][ T4366]  ? __might_fault+0xb3/0x110
[   67.444761][ T4366]  ? _copy_from_user+0x111/0x170
[   67.449682][ T4366]  mtdchar_ioctl+0x14cb/0x1d70
[   67.454433][ T4366]  ? mtdchar_close+0x180/0x180
[   67.459175][ T4366]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   67.465134][ T4366]  ? verify_lock_unused+0x140/0x140
[   67.470327][ T4366]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   67.475981][ T4366]  ? rcu_lock_release+0x5/0x20
[   67.480734][ T4366]  ? __mutex_trylock_common+0x15c/0x260
[   67.486257][ T4366]  ? rcu_lock_release+0x20/0x20
[   67.491105][ T4366]  ? kasan_quarantine_put+0xd4/0x210
[   67.496369][ T4366]  ? __mutex_lock_common+0x435/0x2400
[   67.501721][ T4366]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   67.507087][ T4366]  ? mutex_lock_io_nested+0x60/0x60
[   67.512263][ T4366]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   67.518224][ T4366]  mtdchar_unlocked_ioctl+0xad/0xd0
[   67.523400][ T4366]  ? mtdchar_write+0x5a0/0x5a0
[   67.528140][ T4366]  __se_sys_ioctl+0xfa/0x170
[   67.532707][ T4366]  do_syscall_64+0x4c/0xa0
[   67.537100][ T4366]  ? clear_bhb_loop+0x30/0x80
[   67.541755][ T4366]  ? clear_bhb_loop+0x30/0x80
[   67.546408][ T4366]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   67.552277][ T4366] RIP: 0033:0x7efc7adef559
[   67.556673][ T4366] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   67.576255][ T4366] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   67.584645][ T4366] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   67.592597][ T4366] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   67.600544][ T4366] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   67.608490][ T4366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   67.616438][ T4366] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   67.624395][ T4366]  </TASK>
[   67.631539][ T4366] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[   67.642778][  T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   67.671612][ T4369] 0x000000000003-0x000000010001 : ""
[   67.680815][ T4369] ftl_cs: FTL header corrupt!
[   67.695424][ T4369] FAULT_INJECTION: forcing a failure.
[   67.695424][ T4369] name failslab, interval 1, probability 0, space 0, times 0
[   67.712202][ T4287] Bluetooth: hci0: command 0x0419 tx timeout
[   67.718308][ T4369] CPU: 1 PID: 4369 Comm: syz.0.25 Not tainted syzkaller #0
[   67.725509][ T4369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   67.735564][ T4369] Call Trace:
[   67.738857][ T4369]  <TASK>
[   67.741787][ T4369]  dump_stack_lvl+0x188/0x250
[   67.746478][ T4369]  ? show_regs_print_info+0x20/0x20
[   67.751677][ T4369]  ? load_image+0x410/0x410
[   67.756164][ T4369]  ? __might_sleep+0xf0/0xf0
[   67.760732][ T4369]  ? __lock_acquire+0x7d40/0x7d40
[   67.765742][ T4369]  should_fail+0x383/0x4b0
[   67.770149][ T4369]  should_failslab+0x5/0x20
[   67.774650][ T4369]  slab_pre_alloc_hook+0x51/0xc0
[   67.779565][ T4369]  ? __kernfs_new_node+0xe3/0x6b0
[   67.784567][ T4369]  kmem_cache_alloc+0x3d/0x280
[   67.789347][ T4369]  __kernfs_new_node+0xe3/0x6b0
[   67.794178][ T4369]  ? kernfs_new_node+0x250/0x250
[   67.799093][ T4369]  ? pointer+0xc60/0xc60
[   67.803314][ T4369]  ? format_decode+0xb38/0x1330
[   67.808162][ T4369]  kernfs_new_node+0x148/0x250
[   67.812907][ T4369]  kernfs_create_dir_ns+0x40/0x120
[   67.818010][ T4369]  sysfs_create_dir_ns+0x12c/0x290
[   67.823123][ T4369]  ? sysfs_warn_dup+0xa0/0xa0
[   67.827786][ T4369]  ? sysfs_create_dir_ns+0x167/0x290
[   67.833054][ T4369]  ? rcu_is_watching+0x11/0xa0
[   67.837804][ T4369]  ? kobject_set_name_vargs+0xc6/0x110
[   67.843247][ T4369]  kobject_add_internal+0x5ba/0xcd0
[   67.848432][ T4369]  kobject_add+0x160/0x230
[   67.852832][ T4369]  ? kobject_init+0x1c0/0x1c0
[   67.857522][ T4369]  ? kobject_init+0x1c0/0x1c0
[   67.862213][ T4369]  ? dev_uevent_filter+0x3f/0xb0
[   67.867144][ T4369]  blk_mq_register_hctx+0x1d5/0x400
[   67.872338][ T4369]  __blk_mq_register_dev+0x206/0x640
[   67.877641][ T4369]  ? debugfs_create_dir+0x423/0x4c0
[   67.882850][ T4369]  blk_register_queue+0x1fc/0x3a0
[   67.887872][ T4369]  device_add_disk+0x60f/0xde0
[   67.892633][ T4369]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   67.897909][ T4369]  mtdblock_add_mtd+0x186/0x240
[   67.902744][ T4369]  blktrans_notify_add+0x95/0xe0
[   67.907664][ T4369]  add_mtd_device+0xd40/0x1260
[   67.912414][ T4369]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   67.918201][ T4369]  ? mtd_cls_resume+0x130/0x130
[   67.923040][ T4369]  mtd_add_partition+0x25d/0x420
[   67.927978][ T4369]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   67.933071][ T4369]  ? shrink_ecclayout+0xab0/0xab0
[   67.938082][ T4369]  ? __might_fault+0xb3/0x110
[   67.942751][ T4369]  ? _copy_from_user+0x111/0x170
[   67.947671][ T4369]  mtdchar_ioctl+0x14cb/0x1d70
[   67.952420][ T4369]  ? mtdchar_close+0x180/0x180
[   67.957168][ T4369]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   67.963133][ T4369]  ? verify_lock_unused+0x140/0x140
[   67.968330][ T4369]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   67.973974][ T4369]  ? rcu_lock_release+0x5/0x20
[   67.978734][ T4369]  ? __mutex_trylock_common+0x15c/0x260
[   67.984262][ T4369]  ? rcu_lock_release+0x20/0x20
[   67.989108][ T4369]  ? kasan_quarantine_put+0xd4/0x210
[   67.994372][ T4369]  ? __mutex_lock_common+0x435/0x2400
[   67.999746][ T4369]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   68.005101][ T4369]  ? mutex_lock_io_nested+0x60/0x60
[   68.010294][ T4369]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   68.016257][ T4369]  mtdchar_unlocked_ioctl+0xad/0xd0
[   68.021437][ T4369]  ? mtdchar_write+0x5a0/0x5a0
[   68.026192][ T4369]  __se_sys_ioctl+0xfa/0x170
[   68.030764][ T4369]  do_syscall_64+0x4c/0xa0
[   68.035168][ T4369]  ? clear_bhb_loop+0x30/0x80
[   68.039833][ T4369]  ? clear_bhb_loop+0x30/0x80
[   68.044492][ T4369]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   68.050366][ T4369] RIP: 0033:0x7efc7adef559
[   68.054763][ T4369] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   68.074350][ T4369] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   68.082747][ T4369] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   68.090717][ T4369] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   68.098668][ T4369] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   68.106618][ T4369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   68.114574][ T4369] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   68.122547][ T4369]  </TASK>
[   68.128337][ T4369] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[   68.137006][  T144] bond0 (unregistering): Released all slaves
[   68.168934][ T4371] 0x000000000003-0x000000010001 : ""
[   68.185865][ T4371] ftl_cs: FTL header corrupt!
[   68.202247][ T4371] FAULT_INJECTION: forcing a failure.
[   68.202247][ T4371] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   68.220666][ T4371] CPU: 1 PID: 4371 Comm: syz.0.26 Not tainted syzkaller #0
[   68.227882][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   68.237938][ T4371] Call Trace:
[   68.241219][ T4371]  <TASK>
[   68.244157][ T4371]  dump_stack_lvl+0x188/0x250
[   68.248846][ T4371]  ? show_regs_print_info+0x20/0x20
[   68.254056][ T4371]  ? load_image+0x410/0x410
[   68.258565][ T4371]  ? __lock_acquire+0x7d40/0x7d40
[   68.263594][ T4371]  should_fail+0x383/0x4b0
[   68.268022][ T4371]  prepare_alloc_pages+0x1e3/0x5b0
[   68.273152][ T4371]  __alloc_pages+0x11b/0x480
[   68.277751][ T4371]  ? zone_statistics+0x170/0x170
[   68.282689][ T4371]  ? mark_lock+0x94/0x320
[   68.287022][ T4371]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   68.293008][ T4371]  ? __lock_acquire+0x7d40/0x7d40
[   68.298046][ T4371]  ? alloc_pages+0x452/0x560
[   68.302650][ T4371]  new_slab+0xc0/0x4b0
[   68.306726][ T4371]  ___slab_alloc+0x807/0xdd0
[   68.311325][ T4371]  ? __kernfs_new_node+0xe3/0x6b0
[   68.316361][ T4371]  ? __kernfs_new_node+0xe3/0x6b0
[   68.321388][ T4371]  kmem_cache_alloc+0xf0/0x280
[   68.326157][ T4371]  __kernfs_new_node+0xe3/0x6b0
[   68.331017][ T4371]  ? __lock_acquire+0x7d40/0x7d40
[   68.336058][ T4371]  ? kernfs_new_node+0x250/0x250
[   68.341015][ T4371]  ? kernfs_activate+0x1eb/0x210
[   68.345967][ T4371]  kernfs_new_node+0x148/0x250
[   68.350741][ T4371]  __kernfs_create_file+0x47/0x2e0
[   68.355874][ T4371]  sysfs_add_file_mode_ns+0x2d2/0x390
[   68.361257][ T4371]  internal_create_group+0x492/0xd00
[   68.366589][ T4371]  ? kernfs_add_one+0x564/0x6c0
[   68.371469][ T4371]  ? sysfs_create_group+0x20/0x20
[   68.376496][ T4371]  ? sysfs_create_dir_ns+0x167/0x290
[   68.381784][ T4371]  ? sysfs_warn_dup+0xa0/0xa0
[   68.386465][ T4371]  ? sysfs_create_dir_ns+0x167/0x290
[   68.391761][ T4371]  sysfs_create_groups+0x55/0x120
[   68.396794][ T4371]  kobject_add_internal+0x6fb/0xcd0
[   68.402003][ T4371]  kobject_add+0x160/0x230
[   68.406434][ T4371]  ? kobject_init+0x1c0/0x1c0
[   68.411115][ T4371]  ? kobject_init+0x1c0/0x1c0
[   68.415791][ T4371]  ? dev_uevent_filter+0x3f/0xb0
[   68.420742][ T4371]  blk_mq_register_hctx+0xe4/0x400
[   68.425865][ T4371]  __blk_mq_register_dev+0x206/0x640
[   68.431157][ T4371]  ? debugfs_create_dir+0x423/0x4c0
[   68.436366][ T4371]  blk_register_queue+0x1fc/0x3a0
[   68.441401][ T4371]  device_add_disk+0x60f/0xde0
[   68.446185][ T4371]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   68.451486][ T4371]  mtdblock_add_mtd+0x186/0x240
[   68.456345][ T4371]  blktrans_notify_add+0x95/0xe0
[   68.461313][ T4371]  add_mtd_device+0xd40/0x1260
[   68.466095][ T4371]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   68.471934][ T4371]  ? mtd_cls_resume+0x130/0x130
[   68.476813][ T4371]  mtd_add_partition+0x25d/0x420
[   68.481762][ T4371]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   68.486881][ T4371]  ? shrink_ecclayout+0xab0/0xab0
[   68.488217][    T7] rxe_eth0 speed is unknown, defaulting to 1000
[   68.491920][ T4371]  ? __might_fault+0xb3/0x110
[   68.502816][ T4371]  ? _copy_from_user+0x111/0x170
[   68.507762][ T4371]  mtdchar_ioctl+0x14cb/0x1d70
[   68.512535][ T4371]  ? mtdchar_close+0x180/0x180
[   68.517312][ T4371]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   68.523305][ T4371]  ? verify_lock_unused+0x140/0x140
[   68.528515][ T4371]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   68.534154][ T4371]  ? rcu_lock_release+0x5/0x20
[   68.538953][ T4371]  ? __mutex_trylock_common+0x15c/0x260
[   68.544503][ T4371]  ? rcu_lock_release+0x20/0x20
[   68.549358][ T4371]  ? kasan_quarantine_put+0xd4/0x210
[   68.554650][ T4371]  ? __mutex_lock_common+0x435/0x2400
[   68.560042][ T4371]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   68.565433][ T4371]  ? mutex_lock_io_nested+0x60/0x60
[   68.570653][ T4371]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   68.576650][ T4371]  mtdchar_unlocked_ioctl+0xad/0xd0
[   68.581850][ T4371]  ? mtdchar_write+0x5a0/0x5a0
[   68.586619][ T4371]  __se_sys_ioctl+0xfa/0x170
[   68.591218][ T4371]  do_syscall_64+0x4c/0xa0
[   68.595636][ T4371]  ? clear_bhb_loop+0x30/0x80
[   68.600316][ T4371]  ? clear_bhb_loop+0x30/0x80
[   68.604998][ T4371]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   68.610905][ T4371] RIP: 0033:0x7efc7adef559
[   68.615322][ T4371] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   68.634930][ T4371] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   68.643351][ T4371] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   68.651323][ T4371] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   68.659297][ T4371] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   68.667275][ T4371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   68.675253][ T4371] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   68.683244][ T4371]  </TASK>
[   68.741652][ T4399] 0x000000000003-0x000000010001 : ""
[   68.749527][ T4399] ftl_cs: FTL header corrupt!
[   68.761194][ T4399] FAULT_INJECTION: forcing a failure.
[   68.761194][ T4399] name failslab, interval 1, probability 0, space 0, times 0
[   68.778928][ T4399] CPU: 1 PID: 4399 Comm: syz.0.27 Not tainted syzkaller #0
[   68.786147][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   68.796202][ T4399] Call Trace:
[   68.799484][ T4399]  <TASK>
[   68.802417][ T4399]  dump_stack_lvl+0x188/0x250
[   68.807105][ T4399]  ? show_regs_print_info+0x20/0x20
[   68.812310][ T4399]  ? load_image+0x410/0x410
[   68.816816][ T4399]  ? __might_sleep+0xf0/0xf0
[   68.821400][ T4399]  ? __lock_acquire+0x7d40/0x7d40
[   68.826417][ T4399]  should_fail+0x383/0x4b0
[   68.830821][ T4399]  should_failslab+0x5/0x20
[   68.835308][ T4399]  slab_pre_alloc_hook+0x51/0xc0
[   68.840229][ T4399]  ? __kernfs_new_node+0xa8/0x6b0
[   68.845235][ T4399]  __kmalloc_track_caller+0x69/0x330
[   68.850499][ T4399]  ? __kernfs_new_node+0xa8/0x6b0
[   68.855506][ T4399]  kstrdup_const+0x51/0x90
[   68.859921][ T4399]  __kernfs_new_node+0xa8/0x6b0
[   68.864761][ T4399]  ? kernfs_new_node+0x250/0x250
[   68.869690][ T4399]  ? pointer+0xc60/0xc60
[   68.873931][ T4399]  ? format_decode+0xb38/0x1330
[   68.878777][ T4399]  kernfs_new_node+0x148/0x250
[   68.883607][ T4399]  kernfs_create_dir_ns+0x40/0x120
[   68.888744][ T4399]  sysfs_create_dir_ns+0x12c/0x290
[   68.893841][ T4399]  ? sysfs_warn_dup+0xa0/0xa0
[   68.898495][ T4399]  ? sysfs_create_dir_ns+0x167/0x290
[   68.903758][ T4399]  ? rcu_is_watching+0x11/0xa0
[   68.908499][ T4399]  ? kobject_set_name_vargs+0xc6/0x110
[   68.913938][ T4399]  kobject_add_internal+0x5ba/0xcd0
[   68.919126][ T4399]  kobject_add+0x160/0x230
[   68.923533][ T4399]  ? kobject_init+0x1c0/0x1c0
[   68.928202][ T4399]  ? kobject_init+0x1c0/0x1c0
[   68.932897][ T4399]  ? dev_uevent_filter+0x3f/0xb0
[   68.937844][ T4399]  blk_mq_register_hctx+0x1d5/0x400
[   68.943037][ T4399]  __blk_mq_register_dev+0x206/0x640
[   68.948319][ T4399]  ? debugfs_create_dir+0x423/0x4c0
[   68.953500][ T4399]  blk_register_queue+0x1fc/0x3a0
[   68.958506][ T4399]  device_add_disk+0x60f/0xde0
[   68.963259][ T4399]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   68.968533][ T4399]  mtdblock_add_mtd+0x186/0x240
[   68.973377][ T4399]  blktrans_notify_add+0x95/0xe0
[   68.978307][ T4399]  add_mtd_device+0xd40/0x1260
[   68.983056][ T4399]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   68.988868][ T4399]  ? mtd_cls_resume+0x130/0x130
[   68.993716][ T4399]  mtd_add_partition+0x25d/0x420
[   68.998646][ T4399]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   69.003743][ T4399]  ? shrink_ecclayout+0xab0/0xab0
[   69.008757][ T4399]  ? __might_fault+0xb3/0x110
[   69.013415][ T4399]  ? _copy_from_user+0x111/0x170
[   69.018331][ T4399]  mtdchar_ioctl+0x14cb/0x1d70
[   69.023073][ T4399]  ? mtdchar_close+0x180/0x180
[   69.027818][ T4399]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   69.033782][ T4399]  ? verify_lock_unused+0x140/0x140
[   69.038993][ T4399]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   69.044604][ T4399]  ? rcu_lock_release+0x5/0x20
[   69.049357][ T4399]  ? __mutex_trylock_common+0x15c/0x260
[   69.054881][ T4399]  ? rcu_lock_release+0x20/0x20
[   69.059712][ T4399]  ? kasan_quarantine_put+0xd4/0x210
[   69.064979][ T4399]  ? __mutex_lock_common+0x435/0x2400
[   69.070335][ T4399]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   69.075686][ T4399]  ? mutex_lock_io_nested+0x60/0x60
[   69.080866][ T4399]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   69.086832][ T4399]  mtdchar_unlocked_ioctl+0xad/0xd0
[   69.092008][ T4399]  ? mtdchar_write+0x5a0/0x5a0
[   69.096748][ T4399]  __se_sys_ioctl+0xfa/0x170
[   69.101315][ T4399]  do_syscall_64+0x4c/0xa0
[   69.105707][ T4399]  ? clear_bhb_loop+0x30/0x80
[   69.110362][ T4399]  ? clear_bhb_loop+0x30/0x80
[   69.115016][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   69.120883][ T4399] RIP: 0033:0x7efc7adef559
[   69.125276][ T4399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   69.144857][ T4399] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   69.153253][ T4399] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   69.161202][ T4399] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   69.169149][ T4399] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   69.177111][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   69.185093][ T4399] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   69.193075][ T4399]  </TASK>
[   69.197355][ T4399] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[   69.239163][ T4403] 0x000000000003-0x000000010001 : ""
[   69.248808][ T4403] ftl_cs: FTL header corrupt!
[   69.257193][ T4403] FAULT_INJECTION: forcing a failure.
[   69.257193][ T4403] name failslab, interval 1, probability 0, space 0, times 0
[   69.278109][ T4403] CPU: 1 PID: 4403 Comm: syz.0.28 Not tainted syzkaller #0
[   69.285322][ T4403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   69.295360][ T4403] Call Trace:
[   69.298635][ T4403]  <TASK>
[   69.301561][ T4403]  dump_stack_lvl+0x188/0x250
[   69.306220][ T4403]  ? show_regs_print_info+0x20/0x20
[   69.311396][ T4403]  ? load_image+0x410/0x410
[   69.315878][ T4403]  ? __might_sleep+0xf0/0xf0
[   69.320447][ T4403]  ? __lock_acquire+0x7d40/0x7d40
[   69.325451][ T4403]  should_fail+0x383/0x4b0
[   69.329866][ T4403]  should_failslab+0x5/0x20
[   69.334380][ T4403]  slab_pre_alloc_hook+0x51/0xc0
[   69.339300][ T4403]  ? __kernfs_new_node+0xe3/0x6b0
[   69.344304][ T4403]  kmem_cache_alloc+0x3d/0x280
[   69.349046][ T4403]  __kernfs_new_node+0xe3/0x6b0
[   69.353878][ T4403]  ? kernfs_new_node+0x250/0x250
[   69.358803][ T4403]  kernfs_new_node+0x148/0x250
[   69.363546][ T4403]  __kernfs_create_file+0x47/0x2e0
[   69.368638][ T4403]  sysfs_add_file_mode_ns+0x2d2/0x390
[   69.374014][ T4403]  internal_create_group+0x492/0xd00
[   69.379274][ T4403]  ? kernfs_add_one+0x564/0x6c0
[   69.384108][ T4403]  ? sysfs_create_group+0x20/0x20
[   69.389110][ T4403]  ? sysfs_create_dir_ns+0x167/0x290
[   69.394387][ T4403]  ? sysfs_warn_dup+0xa0/0xa0
[   69.399040][ T4403]  ? sysfs_create_dir_ns+0x167/0x290
[   69.404307][ T4403]  sysfs_create_groups+0x55/0x120
[   69.409313][ T4403]  kobject_add_internal+0x6fb/0xcd0
[   69.414496][ T4403]  kobject_add+0x160/0x230
[   69.418895][ T4403]  ? kobject_init+0x1c0/0x1c0
[   69.423554][ T4403]  ? kobject_init+0x1c0/0x1c0
[   69.428204][ T4403]  ? dev_uevent_filter+0x3f/0xb0
[   69.433139][ T4403]  blk_mq_register_hctx+0xe4/0x400
[   69.438237][ T4403]  __blk_mq_register_dev+0x206/0x640
[   69.443503][ T4403]  ? debugfs_create_dir+0x423/0x4c0
[   69.448680][ T4403]  blk_register_queue+0x1fc/0x3a0
[   69.453684][ T4403]  device_add_disk+0x60f/0xde0
[   69.458431][ T4403]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   69.463699][ T4403]  mtdblock_add_mtd+0x186/0x240
[   69.468526][ T4403]  blktrans_notify_add+0x95/0xe0
[   69.473438][ T4403]  add_mtd_device+0xd40/0x1260
[   69.478194][ T4403]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   69.483982][ T4403]  ? mtd_cls_resume+0x130/0x130
[   69.488824][ T4403]  mtd_add_partition+0x25d/0x420
[   69.493745][ T4403]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   69.498869][ T4403]  ? shrink_ecclayout+0xab0/0xab0
[   69.503881][ T4403]  ? __might_fault+0xb3/0x110
[   69.508542][ T4403]  ? _copy_from_user+0x111/0x170
[   69.513456][ T4403]  mtdchar_ioctl+0x14cb/0x1d70
[   69.518203][ T4403]  ? mtdchar_close+0x180/0x180
[   69.522946][ T4403]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   69.528924][ T4403]  ? verify_lock_unused+0x140/0x140
[   69.534104][ T4403]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   69.539739][ T4403]  ? rcu_lock_release+0x5/0x20
[   69.544490][ T4403]  ? __mutex_trylock_common+0x15c/0x260
[   69.550014][ T4403]  ? rcu_lock_release+0x20/0x20
[   69.554842][ T4403]  ? kasan_quarantine_put+0xd4/0x210
[   69.560104][ T4403]  ? __mutex_lock_common+0x435/0x2400
[   69.565457][ T4403]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   69.570812][ T4403]  ? mutex_lock_io_nested+0x60/0x60
[   69.575998][ T4403]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   69.581965][ T4403]  mtdchar_unlocked_ioctl+0xad/0xd0
[   69.587171][ T4403]  ? mtdchar_write+0x5a0/0x5a0
[   69.591915][ T4403]  __se_sys_ioctl+0xfa/0x170
[   69.596488][ T4403]  do_syscall_64+0x4c/0xa0
[   69.600893][ T4403]  ? clear_bhb_loop+0x30/0x80
[   69.605566][ T4403]  ? clear_bhb_loop+0x30/0x80
[   69.610222][ T4403]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   69.616100][ T4403] RIP: 0033:0x7efc7adef559
[   69.620495][ T4403] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   69.640078][ T4403] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   69.648472][ T4403] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   69.656430][ T4403] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   69.664385][ T4403] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   69.672336][ T4403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   69.680291][ T4403] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   69.688268][ T4403]  </TASK>
[   69.697826][ T4403] kobject_add_internal failed for 0 (error: -12 parent: mq)
[   69.726833][ T4405] 0x000000000003-0x000000010001 : ""
[   69.735874][ T4405] ftl_cs: FTL header corrupt!
2026/10/17 21:53:14 executed programs: 14
[   69.755256][ T4405] FAULT_INJECTION: forcing a failure.
[   69.755256][ T4405] name failslab, interval 1, probability 0, space 0, times 0
[   69.768318][ T4405] CPU: 1 PID: 4405 Comm: syz.0.29 Not tainted syzkaller #0
[   69.775517][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   69.785554][ T4405] Call Trace:
[   69.788813][ T4405]  <TASK>
[   69.791721][ T4405]  dump_stack_lvl+0x188/0x250
[   69.796378][ T4405]  ? show_regs_print_info+0x20/0x20
[   69.801552][ T4405]  ? load_image+0x410/0x410
[   69.806037][ T4405]  ? __might_sleep+0xf0/0xf0
[   69.810606][ T4405]  ? __lock_acquire+0x7d40/0x7d40
[   69.815611][ T4405]  should_fail+0x383/0x4b0
[   69.820017][ T4405]  should_failslab+0x5/0x20
[   69.824516][ T4405]  slab_pre_alloc_hook+0x51/0xc0
[   69.829434][ T4405]  ? __kernfs_new_node+0xe3/0x6b0
[   69.834434][ T4405]  kmem_cache_alloc+0x3d/0x280
[   69.839176][ T4405]  __kernfs_new_node+0xe3/0x6b0
[   69.844004][ T4405]  ? kernfs_new_node+0x250/0x250
[   69.848924][ T4405]  kernfs_new_node+0x148/0x250
[   69.853667][ T4405]  __kernfs_create_file+0x47/0x2e0
[   69.858756][ T4405]  sysfs_add_file_mode_ns+0x2d2/0x390
[   69.864108][ T4405]  internal_create_group+0x492/0xd00
[   69.869368][ T4405]  ? kernfs_add_one+0x564/0x6c0
[   69.874204][ T4405]  ? sysfs_create_group+0x20/0x20
[   69.879210][ T4405]  ? sysfs_create_dir_ns+0x167/0x290
[   69.884471][ T4405]  ? sysfs_warn_dup+0xa0/0xa0
[   69.889120][ T4405]  ? sysfs_create_dir_ns+0x167/0x290
[   69.894382][ T4405]  sysfs_create_groups+0x55/0x120
[   69.899384][ T4405]  kobject_add_internal+0x6fb/0xcd0
[   69.904561][ T4405]  kobject_add+0x160/0x230
[   69.908960][ T4405]  ? kobject_init+0x1c0/0x1c0
[   69.913618][ T4405]  ? kobject_init+0x1c0/0x1c0
[   69.918273][ T4405]  ? dev_uevent_filter+0x3f/0xb0
[   69.923193][ T4405]  blk_mq_register_hctx+0xe4/0x400
[   69.928285][ T4405]  __blk_mq_register_dev+0x206/0x640
[   69.933547][ T4405]  ? debugfs_create_dir+0x423/0x4c0
[   69.938722][ T4405]  blk_register_queue+0x1fc/0x3a0
[   69.943724][ T4405]  device_add_disk+0x60f/0xde0
[   69.948480][ T4405]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   69.953759][ T4405]  mtdblock_add_mtd+0x186/0x240
[   69.958611][ T4405]  blktrans_notify_add+0x95/0xe0
[   69.963530][ T4405]  add_mtd_device+0xd40/0x1260
[   69.968284][ T4405]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   69.974083][ T4405]  ? mtd_cls_resume+0x130/0x130
[   69.978942][ T4405]  mtd_add_partition+0x25d/0x420
[   69.983864][ T4405]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   69.988957][ T4405]  ? shrink_ecclayout+0xab0/0xab0
[   69.993969][ T4405]  ? __might_fault+0xb3/0x110
[   69.998624][ T4405]  ? _copy_from_user+0x111/0x170
[   70.003539][ T4405]  mtdchar_ioctl+0x14cb/0x1d70
[   70.008283][ T4405]  ? mtdchar_close+0x180/0x180
[   70.013029][ T4405]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   70.019000][ T4405]  ? verify_lock_unused+0x140/0x140
[   70.024197][ T4405]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   70.029817][ T4405]  ? rcu_lock_release+0x5/0x20
[   70.034573][ T4405]  ? __mutex_trylock_common+0x15c/0x260
[   70.040098][ T4405]  ? rcu_lock_release+0x20/0x20
[   70.044928][ T4405]  ? kasan_quarantine_put+0xd4/0x210
[   70.050195][ T4405]  ? __mutex_lock_common+0x435/0x2400
[   70.055553][ T4405]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   70.060908][ T4405]  ? mutex_lock_io_nested+0x60/0x60
[   70.066093][ T4405]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   70.072062][ T4405]  mtdchar_unlocked_ioctl+0xad/0xd0
[   70.077242][ T4405]  ? mtdchar_write+0x5a0/0x5a0
[   70.081983][ T4405]  __se_sys_ioctl+0xfa/0x170
[   70.086556][ T4405]  do_syscall_64+0x4c/0xa0
[   70.090948][ T4405]  ? clear_bhb_loop+0x30/0x80
[   70.095599][ T4405]  ? clear_bhb_loop+0x30/0x80
[   70.100255][ T4405]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.106125][ T4405] RIP: 0033:0x7efc7adef559
[   70.110517][ T4405] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   70.130103][ T4405] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   70.138497][ T4405] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   70.146448][ T4405] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   70.154394][ T4405] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   70.162349][ T4405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   70.170321][ T4405] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   70.178296][ T4405]  </TASK>
[   70.182131][ T4405] kobject_add_internal failed for 0 (error: -12 parent: mq)
[   70.212323][ T4408] 0x000000000003-0x000000010001 : ""
[   70.222010][ T4408] ftl_cs: FTL header corrupt!
[   70.232291][ T4408] FAULT_INJECTION: forcing a failure.
[   70.232291][ T4408] name failslab, interval 1, probability 0, space 0, times 0
[   70.250917][ T4408] CPU: 0 PID: 4408 Comm: syz.0.30 Not tainted syzkaller #0
[   70.258131][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   70.268182][ T4408] Call Trace:
[   70.271458][ T4408]  <TASK>
[   70.274390][ T4408]  dump_stack_lvl+0x188/0x250
[   70.279077][ T4408]  ? show_regs_print_info+0x20/0x20
[   70.284273][ T4408]  ? load_image+0x410/0x410
[   70.288776][ T4408]  ? __might_sleep+0xf0/0xf0
[   70.293364][ T4408]  ? __lock_acquire+0x7d40/0x7d40
[   70.298391][ T4408]  should_fail+0x383/0x4b0
[   70.302865][ T4408]  should_failslab+0x5/0x20
[   70.307376][ T4408]  slab_pre_alloc_hook+0x51/0xc0
[   70.312313][ T4408]  ? __kernfs_new_node+0xe3/0x6b0
[   70.317336][ T4408]  kmem_cache_alloc+0x3d/0x280
[   70.322099][ T4408]  __kernfs_new_node+0xe3/0x6b0
[   70.326950][ T4408]  ? __lock_acquire+0x7d40/0x7d40
[   70.331976][ T4408]  ? kernfs_new_node+0x250/0x250
[   70.336925][ T4408]  ? kernfs_activate+0x1eb/0x210
[   70.341861][ T4408]  kernfs_new_node+0x148/0x250
[   70.346627][ T4408]  __kernfs_create_file+0x47/0x2e0
[   70.351738][ T4408]  sysfs_add_file_mode_ns+0x2d2/0x390
[   70.357121][ T4408]  internal_create_group+0x492/0xd00
[   70.362407][ T4408]  ? kernfs_add_one+0x564/0x6c0
[   70.367273][ T4408]  ? sysfs_create_group+0x20/0x20
[   70.372289][ T4408]  ? sysfs_create_dir_ns+0x167/0x290
[   70.377572][ T4408]  ? sysfs_warn_dup+0xa0/0xa0
[   70.382239][ T4408]  ? sysfs_create_dir_ns+0x167/0x290
[   70.387520][ T4408]  sysfs_create_groups+0x55/0x120
[   70.392544][ T4408]  kobject_add_internal+0x6fb/0xcd0
[   70.397745][ T4408]  kobject_add+0x160/0x230
[   70.402165][ T4408]  ? kobject_init+0x1c0/0x1c0
[   70.406837][ T4408]  ? kobject_init+0x1c0/0x1c0
[   70.411509][ T4408]  ? dev_uevent_filter+0x3f/0xb0
[   70.416452][ T4408]  blk_mq_register_hctx+0xe4/0x400
[   70.421567][ T4408]  __blk_mq_register_dev+0x206/0x640
[   70.426853][ T4408]  ? debugfs_create_dir+0x423/0x4c0
[   70.432052][ T4408]  blk_register_queue+0x1fc/0x3a0
[   70.437081][ T4408]  device_add_disk+0x60f/0xde0
[   70.441848][ T4408]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   70.447133][ T4408]  mtdblock_add_mtd+0x186/0x240
[   70.451980][ T4408]  blktrans_notify_add+0x95/0xe0
[   70.456955][ T4408]  add_mtd_device+0xd40/0x1260
[   70.461727][ T4408]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   70.467536][ T4408]  ? mtd_cls_resume+0x130/0x130
[   70.472410][ T4408]  mtd_add_partition+0x25d/0x420
[   70.477354][ T4408]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   70.482463][ T4408]  ? shrink_ecclayout+0xab0/0xab0
[   70.487502][ T4408]  ? __might_fault+0xb3/0x110
[   70.492179][ T4408]  ? _copy_from_user+0x111/0x170
[   70.497112][ T4408]  mtdchar_ioctl+0x14cb/0x1d70
[   70.501877][ T4408]  ? mtdchar_close+0x180/0x180
[   70.506643][ T4408]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   70.512624][ T4408]  ? verify_lock_unused+0x140/0x140
[   70.517828][ T4408]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   70.523462][ T4408]  ? rcu_lock_release+0x5/0x20
[   70.528247][ T4408]  ? __mutex_trylock_common+0x15c/0x260
[   70.533795][ T4408]  ? rcu_lock_release+0x20/0x20
[   70.538646][ T4408]  ? kasan_quarantine_put+0xd4/0x210
[   70.543934][ T4408]  ? __mutex_lock_common+0x435/0x2400
[   70.549313][ T4408]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   70.554687][ T4408]  ? mutex_lock_io_nested+0x60/0x60
[   70.559885][ T4408]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   70.565871][ T4408]  mtdchar_unlocked_ioctl+0xad/0xd0
[   70.571064][ T4408]  ? mtdchar_write+0x5a0/0x5a0
[   70.575824][ T4408]  __se_sys_ioctl+0xfa/0x170
[   70.580415][ T4408]  do_syscall_64+0x4c/0xa0
[   70.584831][ T4408]  ? clear_bhb_loop+0x30/0x80
[   70.589503][ T4408]  ? clear_bhb_loop+0x30/0x80
[   70.594179][ T4408]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.600071][ T4408] RIP: 0033:0x7efc7adef559
[   70.604482][ T4408] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   70.624081][ T4408] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   70.632493][ T4408] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   70.640458][ T4408] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   70.648421][ T4408] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   70.656393][ T4408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   70.664356][ T4408] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   70.672344][ T4408]  </TASK>
[   70.683723][ T4408] kobject_add_internal failed for 0 (error: -12 parent: mq)
[   70.717926][ T4410] 0x000000000003-0x000000010001 : ""
[   70.726623][ T4410] ftl_cs: FTL header corrupt!
[   70.736537][ T4410] FAULT_INJECTION: forcing a failure.
[   70.736537][ T4410] name failslab, interval 1, probability 0, space 0, times 0
[   70.749614][ T4410] CPU: 0 PID: 4410 Comm: syz.0.31 Not tainted syzkaller #0
[   70.756826][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   70.766879][ T4410] Call Trace:
[   70.770161][ T4410]  <TASK>
[   70.773090][ T4410]  dump_stack_lvl+0x188/0x250
[   70.777770][ T4410]  ? show_regs_print_info+0x20/0x20
[   70.782969][ T4410]  ? load_image+0x410/0x410
[   70.787478][ T4410]  ? __might_sleep+0xf0/0xf0
[   70.792076][ T4410]  ? __lock_acquire+0x7d40/0x7d40
[   70.797112][ T4410]  should_fail+0x383/0x4b0
[   70.801537][ T4410]  should_failslab+0x5/0x20
[   70.806040][ T4410]  slab_pre_alloc_hook+0x51/0xc0
[   70.810974][ T4410]  ? __kernfs_new_node+0xe3/0x6b0
[   70.816002][ T4410]  kmem_cache_alloc+0x3d/0x280
[   70.820765][ T4410]  __kernfs_new_node+0xe3/0x6b0
[   70.825618][ T4410]  ? kernfs_new_node+0x250/0x250
[   70.830574][ T4410]  kernfs_new_node+0x148/0x250
[   70.835342][ T4410]  __kernfs_create_file+0x47/0x2e0
[   70.840455][ T4410]  sysfs_add_file_mode_ns+0x2d2/0x390
[   70.845832][ T4410]  internal_create_group+0x492/0xd00
[   70.851113][ T4410]  ? kernfs_add_one+0x564/0x6c0
[   70.855972][ T4410]  ? sysfs_create_group+0x20/0x20
[   70.860998][ T4410]  ? sysfs_create_dir_ns+0x167/0x290
[   70.866292][ T4410]  ? sysfs_warn_dup+0xa0/0xa0
[   70.871006][ T4410]  ? sysfs_create_dir_ns+0x167/0x290
[   70.876294][ T4410]  sysfs_create_groups+0x55/0x120
[   70.881321][ T4410]  kobject_add_internal+0x6fb/0xcd0
[   70.886530][ T4410]  kobject_add+0x160/0x230
[   70.890947][ T4410]  ? kobject_init+0x1c0/0x1c0
[   70.895624][ T4410]  ? kobject_init+0x1c0/0x1c0
[   70.900298][ T4410]  ? dev_uevent_filter+0x3f/0xb0
[   70.905246][ T4410]  blk_mq_register_hctx+0xe4/0x400
[   70.910361][ T4410]  __blk_mq_register_dev+0x206/0x640
[   70.915645][ T4410]  ? debugfs_create_dir+0x423/0x4c0
[   70.920846][ T4410]  blk_register_queue+0x1fc/0x3a0
[   70.925877][ T4410]  device_add_disk+0x60f/0xde0
[   70.930648][ T4410]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   70.935942][ T4410]  mtdblock_add_mtd+0x186/0x240
[   70.940792][ T4410]  blktrans_notify_add+0x95/0xe0
[   70.945732][ T4410]  add_mtd_device+0xd40/0x1260
[   70.950504][ T4410]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   70.956316][ T4410]  ? mtd_cls_resume+0x130/0x130
[   70.961191][ T4410]  mtd_add_partition+0x25d/0x420
[   70.966136][ T4410]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   70.971251][ T4410]  ? shrink_ecclayout+0xab0/0xab0
[   70.976288][ T4410]  ? __might_fault+0xb3/0x110
[   70.980963][ T4410]  ? _copy_from_user+0x111/0x170
[   70.985901][ T4410]  mtdchar_ioctl+0x14cb/0x1d70
[   70.990670][ T4410]  ? mtdchar_close+0x180/0x180
[   70.995438][ T4410]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.001417][ T4410]  ? verify_lock_unused+0x140/0x140
[   71.006619][ T4410]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   71.012251][ T4410]  ? rcu_lock_release+0x5/0x20
[   71.017038][ T4410]  ? __mutex_trylock_common+0x15c/0x260
[   71.022584][ T4410]  ? rcu_lock_release+0x20/0x20
[   71.027437][ T4410]  ? kasan_quarantine_put+0xd4/0x210
[   71.032721][ T4410]  ? __mutex_lock_common+0x435/0x2400
[   71.038103][ T4410]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   71.043482][ T4410]  ? mutex_lock_io_nested+0x60/0x60
[   71.048695][ T4410]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.054682][ T4410]  mtdchar_unlocked_ioctl+0xad/0xd0
[   71.059877][ T4410]  ? mtdchar_write+0x5a0/0x5a0
[   71.064637][ T4410]  __se_sys_ioctl+0xfa/0x170
[   71.069227][ T4410]  do_syscall_64+0x4c/0xa0
[   71.073641][ T4410]  ? clear_bhb_loop+0x30/0x80
[   71.078314][ T4410]  ? clear_bhb_loop+0x30/0x80
[   71.082989][ T4410]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.088882][ T4410] RIP: 0033:0x7efc7adef559
[   71.093294][ T4410] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   71.112896][ T4410] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   71.121309][ T4410] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   71.129273][ T4410] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   71.137238][ T4410] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   71.145203][ T4410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   71.153170][ T4410] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   71.161152][ T4410]  </TASK>
[   71.166364][ T1419] ieee802154 phy0 wpan0: encryption failed: -22
[   71.170047][ T4410] kobject_add_internal failed for 0 (error: -12 parent: mq)
[   71.172862][ T1419] ieee802154 phy1 wpan1: encryption failed: -22
[   71.232491][ T4412] 0x000000000003-0x000000010001 : ""
[   71.241528][ T4412] ftl_cs: FTL header corrupt!
[   71.248645][ T4412] FAULT_INJECTION: forcing a failure.
[   71.248645][ T4412] name failslab, interval 1, probability 0, space 0, times 0
[   71.261466][ T4412] CPU: 0 PID: 4412 Comm: syz.0.32 Not tainted syzkaller #0
[   71.268670][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   71.278726][ T4412] Call Trace:
[   71.282006][ T4412]  <TASK>
[   71.284938][ T4412]  dump_stack_lvl+0x188/0x250
[   71.289625][ T4412]  ? show_regs_print_info+0x20/0x20
[   71.294838][ T4412]  ? load_image+0x410/0x410
[   71.299351][ T4412]  ? __might_sleep+0xf0/0xf0
[   71.303947][ T4412]  ? __lock_acquire+0x7d40/0x7d40
[   71.308980][ T4412]  should_fail+0x383/0x4b0
[   71.313394][ T4412]  should_failslab+0x5/0x20
[   71.317915][ T4412]  slab_pre_alloc_hook+0x51/0xc0
[   71.322831][ T4412]  ? __kernfs_new_node+0xa8/0x6b0
[   71.327835][ T4412]  __kmalloc_track_caller+0x69/0x330
[   71.333097][ T4412]  ? __kernfs_new_node+0xa8/0x6b0
[   71.338102][ T4412]  kstrdup_const+0x51/0x90
[   71.342495][ T4412]  __kernfs_new_node+0xa8/0x6b0
[   71.347333][ T4412]  ? kernfs_new_node+0x250/0x250
[   71.352255][ T4412]  ? pointer+0xc60/0xc60
[   71.356477][ T4412]  ? format_decode+0xb38/0x1330
[   71.361326][ T4412]  kernfs_new_node+0x148/0x250
[   71.366075][ T4412]  kernfs_create_dir_ns+0x40/0x120
[   71.371172][ T4412]  sysfs_create_dir_ns+0x12c/0x290
[   71.376276][ T4412]  ? sysfs_warn_dup+0xa0/0xa0
[   71.380927][ T4412]  ? sysfs_create_dir_ns+0x167/0x290
[   71.386194][ T4412]  ? rcu_is_watching+0x11/0xa0
[   71.390935][ T4412]  ? kobject_set_name_vargs+0xc6/0x110
[   71.396372][ T4412]  kobject_add_internal+0x5ba/0xcd0
[   71.401561][ T4412]  kobject_add+0x160/0x230
[   71.405958][ T4412]  ? kobject_init+0x1c0/0x1c0
[   71.410610][ T4412]  ? kobject_init+0x1c0/0x1c0
[   71.415263][ T4412]  ? dev_uevent_filter+0x3f/0xb0
[   71.420188][ T4412]  blk_mq_register_hctx+0x1d5/0x400
[   71.425385][ T4412]  __blk_mq_register_dev+0x206/0x640
[   71.430652][ T4412]  ? debugfs_create_dir+0x423/0x4c0
[   71.435828][ T4412]  blk_register_queue+0x1fc/0x3a0
[   71.440833][ T4412]  device_add_disk+0x60f/0xde0
[   71.445585][ T4412]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   71.450853][ T4412]  mtdblock_add_mtd+0x186/0x240
[   71.455684][ T4412]  blktrans_notify_add+0x95/0xe0
[   71.460602][ T4412]  add_mtd_device+0xd40/0x1260
[   71.465367][ T4412]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   71.471157][ T4412]  ? mtd_cls_resume+0x130/0x130
[   71.475998][ T4412]  mtd_add_partition+0x25d/0x420
[   71.480921][ T4412]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   71.486014][ T4412]  ? shrink_ecclayout+0xab0/0xab0
[   71.491025][ T4412]  ? __might_fault+0xb3/0x110
[   71.495680][ T4412]  ? _copy_from_user+0x111/0x170
[   71.500603][ T4412]  mtdchar_ioctl+0x14cb/0x1d70
[   71.505364][ T4412]  ? mtdchar_close+0x180/0x180
[   71.510107][ T4412]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.516068][ T4412]  ? verify_lock_unused+0x140/0x140
[   71.521248][ T4412]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   71.526859][ T4412]  ? rcu_lock_release+0x5/0x20
[   71.531612][ T4412]  ? __mutex_trylock_common+0x15c/0x260
[   71.537139][ T4412]  ? rcu_lock_release+0x20/0x20
[   71.541969][ T4412]  ? kasan_quarantine_put+0xd4/0x210
[   71.547234][ T4412]  ? __mutex_lock_common+0x435/0x2400
[   71.552592][ T4412]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   71.557943][ T4412]  ? mutex_lock_io_nested+0x60/0x60
[   71.563124][ T4412]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.569089][ T4412]  mtdchar_unlocked_ioctl+0xad/0xd0
[   71.574266][ T4412]  ? mtdchar_write+0x5a0/0x5a0
[   71.579007][ T4412]  __se_sys_ioctl+0xfa/0x170
[   71.583578][ T4412]  do_syscall_64+0x4c/0xa0
[   71.587988][ T4412]  ? clear_bhb_loop+0x30/0x80
[   71.592643][ T4412]  ? clear_bhb_loop+0x30/0x80
[   71.597298][ T4412]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.603169][ T4412] RIP: 0033:0x7efc7adef559
[   71.607568][ T4412] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   71.627150][ T4412] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   71.635544][ T4412] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   71.643495][ T4412] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   71.651445][ T4412] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   71.659421][ T4412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   71.667370][ T4412] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   71.675330][ T4412]  </TASK>
[   71.679442][ T4412] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[   71.723240][ T4414] 0x000000000003-0x000000010001 : ""
[   71.731799][ T4414] ftl_cs: FTL header corrupt!
[   71.739284][ T4414] FAULT_INJECTION: forcing a failure.
[   71.739284][ T4414] name failslab, interval 1, probability 0, space 0, times 0
[   71.769745][ T4414] CPU: 0 PID: 4414 Comm: syz.0.33 Not tainted syzkaller #0
[   71.776958][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   71.787049][ T4414] Call Trace:
[   71.790326][ T4414]  <TASK>
[   71.793251][ T4414]  dump_stack_lvl+0x188/0x250
[   71.797931][ T4414]  ? show_regs_print_info+0x20/0x20
[   71.803129][ T4414]  ? load_image+0x410/0x410
[   71.807633][ T4414]  ? __lock_acquire+0x7d40/0x7d40
[   71.812664][ T4414]  should_fail+0x383/0x4b0
[   71.817086][ T4414]  should_failslab+0x5/0x20
[   71.821586][ T4414]  slab_pre_alloc_hook+0x51/0xc0
[   71.826525][ T4414]  ? new_inode_pseudo+0x77/0x210
[   71.831467][ T4414]  kmem_cache_alloc+0x3d/0x280
[   71.836245][ T4414]  new_inode_pseudo+0x77/0x210
[   71.841016][ T4414]  new_inode+0x25/0x1d0
[   71.845171][ T4414]  ? start_creating+0x1f5/0x310
[   71.850023][ T4414]  __debugfs_create_file+0x147/0x500
[   71.855324][ T4414]  blk_mq_debugfs_register+0xf1/0x7e0
[   71.860697][ T4414]  ? debugfs_create_dir+0x423/0x4c0
[   71.865878][ T4414]  blk_register_queue+0x204/0x3a0
[   71.870895][ T4414]  device_add_disk+0x60f/0xde0
[   71.875662][ T4414]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   71.880932][ T4414]  mtdblock_add_mtd+0x186/0x240
[   71.885783][ T4414]  blktrans_notify_add+0x95/0xe0
[   71.890703][ T4414]  add_mtd_device+0xd40/0x1260
[   71.895469][ T4414]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   71.901254][ T4414]  ? mtd_cls_resume+0x130/0x130
[   71.906094][ T4414]  mtd_add_partition+0x25d/0x420
[   71.911016][ T4414]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   71.916105][ T4414]  ? shrink_ecclayout+0xab0/0xab0
[   71.921117][ T4414]  ? __might_fault+0xb3/0x110
[   71.925793][ T4414]  ? _copy_from_user+0x111/0x170
[   71.930709][ T4414]  mtdchar_ioctl+0x14cb/0x1d70
[   71.935453][ T4414]  ? mtdchar_close+0x180/0x180
[   71.940207][ T4414]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.946183][ T4414]  ? verify_lock_unused+0x140/0x140
[   71.951365][ T4414]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   71.956980][ T4414]  ? rcu_lock_release+0x5/0x20
[   71.961736][ T4414]  ? __mutex_trylock_common+0x15c/0x260
[   71.967270][ T4414]  ? rcu_lock_release+0x20/0x20
[   71.972099][ T4414]  ? kasan_quarantine_put+0xd4/0x210
[   71.977367][ T4414]  ? __mutex_lock_common+0x435/0x2400
[   71.982721][ T4414]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   71.988077][ T4414]  ? mutex_lock_io_nested+0x60/0x60
[   71.993255][ T4414]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   71.999253][ T4414]  mtdchar_unlocked_ioctl+0xad/0xd0
[   72.004441][ T4414]  ? mtdchar_write+0x5a0/0x5a0
[   72.009210][ T4414]  __se_sys_ioctl+0xfa/0x170
[   72.013786][ T4414]  do_syscall_64+0x4c/0xa0
[   72.018192][ T4414]  ? clear_bhb_loop+0x30/0x80
[   72.022847][ T4414]  ? clear_bhb_loop+0x30/0x80
[   72.027505][ T4414]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   72.033376][ T4414] RIP: 0033:0x7efc7adef559
[   72.037771][ T4414] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   72.057354][ T4414] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   72.065750][ T4414] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   72.073705][ T4414] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   72.081657][ T4414] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   72.089607][ T4414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   72.097557][ T4414] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   72.105518][ T4414]  </TASK>
[   72.111669][ T4414] debugfs: out of free dentries, can not create file 'requeue_list'
[   72.141265][ T4416] 0x000000000003-0x000000010001 : ""
[   72.150633][ T4416] ftl_cs: FTL header corrupt!
[   72.157762][ T4416] FAULT_INJECTION: forcing a failure.
[   72.157762][ T4416] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   72.172610][ T4416] CPU: 1 PID: 4416 Comm: syz.0.34 Not tainted syzkaller #0
[   72.179819][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   72.189872][ T4416] Call Trace:
[   72.193135][ T4416]  <TASK>
[   72.196048][ T4416]  dump_stack_lvl+0x188/0x250
[   72.200706][ T4416]  ? show_regs_print_info+0x20/0x20
[   72.205887][ T4416]  ? load_image+0x410/0x410
[   72.210372][ T4416]  ? __lock_acquire+0x7d40/0x7d40
[   72.215381][ T4416]  should_fail+0x383/0x4b0
[   72.219784][ T4416]  prepare_alloc_pages+0x1e3/0x5b0
[   72.224879][ T4416]  __alloc_pages+0x11b/0x480
[   72.229452][ T4416]  ? zone_statistics+0x170/0x170
[   72.234401][ T4416]  ? mark_lock+0x94/0x320
[   72.238718][ T4416]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   72.244685][ T4416]  ? __lock_acquire+0x7d40/0x7d40
[   72.249704][ T4416]  ? alloc_pages+0x452/0x560
[   72.254292][ T4416]  new_slab+0xc0/0x4b0
[   72.258356][ T4416]  ___slab_alloc+0x807/0xdd0
[   72.262930][ T4416]  ? __kernfs_new_node+0xe3/0x6b0
[   72.267936][ T4416]  ? __kernfs_new_node+0xe3/0x6b0
[   72.272944][ T4416]  kmem_cache_alloc+0xf0/0x280
[   72.277686][ T4416]  __kernfs_new_node+0xe3/0x6b0
[   72.282532][ T4416]  ? kernfs_new_node+0x250/0x250
[   72.287469][ T4416]  ? pointer+0xc60/0xc60
[   72.291732][ T4416]  ? format_decode+0xb38/0x1330
[   72.296573][ T4416]  kernfs_new_node+0x148/0x250
[   72.301314][ T4416]  kernfs_create_dir_ns+0x40/0x120
[   72.306413][ T4416]  sysfs_create_dir_ns+0x12c/0x290
[   72.311504][ T4416]  ? sysfs_warn_dup+0xa0/0xa0
[   72.316158][ T4416]  ? sysfs_create_dir_ns+0x167/0x290
[   72.321433][ T4416]  ? rcu_is_watching+0x11/0xa0
[   72.326174][ T4416]  ? kobject_set_name_vargs+0xc6/0x110
[   72.331611][ T4416]  kobject_add_internal+0x5ba/0xcd0
[   72.336788][ T4416]  kobject_add+0x160/0x230
[   72.341184][ T4416]  ? kobject_init+0x1c0/0x1c0
[   72.345840][ T4416]  ? kobject_init+0x1c0/0x1c0
[   72.350490][ T4416]  ? dev_uevent_filter+0x3f/0xb0
[   72.355404][ T4416]  blk_mq_register_hctx+0x1d5/0x400
[   72.360579][ T4416]  __blk_mq_register_dev+0x206/0x640
[   72.365845][ T4416]  ? debugfs_create_dir+0x423/0x4c0
[   72.371025][ T4416]  blk_register_queue+0x1fc/0x3a0
[   72.376031][ T4416]  device_add_disk+0x60f/0xde0
[   72.380778][ T4416]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   72.386049][ T4416]  mtdblock_add_mtd+0x186/0x240
[   72.390879][ T4416]  blktrans_notify_add+0x95/0xe0
[   72.395797][ T4416]  add_mtd_device+0xd40/0x1260
[   72.400548][ T4416]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   72.406335][ T4416]  ? mtd_cls_resume+0x130/0x130
[   72.411172][ T4416]  mtd_add_partition+0x25d/0x420
[   72.416088][ T4416]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   72.421176][ T4416]  ? shrink_ecclayout+0xab0/0xab0
[   72.426187][ T4416]  ? __might_fault+0xb3/0x110
[   72.430845][ T4416]  ? _copy_from_user+0x111/0x170
[   72.435785][ T4416]  mtdchar_ioctl+0x14cb/0x1d70
[   72.440529][ T4416]  ? mtdchar_close+0x180/0x180
[   72.445271][ T4416]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   72.451231][ T4416]  ? verify_lock_unused+0x140/0x140
[   72.456408][ T4416]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   72.462016][ T4416]  ? rcu_lock_release+0x5/0x20
[   72.466782][ T4416]  ? __mutex_trylock_common+0x15c/0x260
[   72.472344][ T4416]  ? rcu_lock_release+0x20/0x20
[   72.477183][ T4416]  ? kasan_quarantine_put+0xd4/0x210
[   72.482449][ T4416]  ? __mutex_lock_common+0x435/0x2400
[   72.487809][ T4416]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   72.493160][ T4416]  ? mutex_lock_io_nested+0x60/0x60
[   72.498340][ T4416]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   72.504303][ T4416]  mtdchar_unlocked_ioctl+0xad/0xd0
[   72.509480][ T4416]  ? mtdchar_write+0x5a0/0x5a0
[   72.514222][ T4416]  __se_sys_ioctl+0xfa/0x170
[   72.518809][ T4416]  do_syscall_64+0x4c/0xa0
[   72.523204][ T4416]  ? clear_bhb_loop+0x30/0x80
[   72.527858][ T4416]  ? clear_bhb_loop+0x30/0x80
[   72.532517][ T4416]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   72.538389][ T4416] RIP: 0033:0x7efc7adef559
[   72.542782][ T4416] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   72.562366][ T4416] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   72.570769][ T4416] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   72.578719][ T4416] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   72.586688][ T4416] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   72.594641][ T4416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   72.602596][ T4416] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   72.610553][ T4416]  </TASK>
[   72.639386][ T4418] 0x000000000003-0x000000010001 : ""
[   72.648011][ T4418] ftl_cs: FTL header corrupt!
[   72.657218][ T4418] FAULT_INJECTION: forcing a failure.
[   72.657218][ T4418] name failslab, interval 1, probability 0, space 0, times 0
[   72.671153][ T4418] CPU: 1 PID: 4418 Comm: syz.0.35 Not tainted syzkaller #0
[   72.678362][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   72.688427][ T4418] Call Trace:
[   72.691689][ T4418]  <TASK>
[   72.694615][ T4418]  dump_stack_lvl+0x188/0x250
[   72.699280][ T4418]  ? show_regs_print_info+0x20/0x20
[   72.704453][ T4418]  ? load_image+0x410/0x410
[   72.708969][ T4418]  ? __might_sleep+0xf0/0xf0
[   72.713535][ T4418]  ? __lock_acquire+0x7d40/0x7d40
[   72.718538][ T4418]  should_fail+0x383/0x4b0
[   72.722936][ T4418]  should_failslab+0x5/0x20
[   72.727415][ T4418]  slab_pre_alloc_hook+0x51/0xc0
[   72.732332][ T4418]  ? __kernfs_new_node+0xa8/0x6b0
[   72.737340][ T4418]  __kmalloc_track_caller+0x69/0x330
[   72.742602][ T4418]  ? __kernfs_new_node+0xa8/0x6b0
[   72.747628][ T4418]  kstrdup_const+0x51/0x90
[   72.752030][ T4418]  __kernfs_new_node+0xa8/0x6b0
[   72.756860][ T4418]  ? kernfs_new_node+0x250/0x250
[   72.761781][ T4418]  ? pointer+0xc60/0xc60
[   72.766014][ T4418]  ? format_decode+0xb38/0x1330
[   72.770847][ T4418]  kernfs_new_node+0x148/0x250
[   72.775598][ T4418]  kernfs_create_dir_ns+0x40/0x120
[   72.780700][ T4418]  sysfs_create_dir_ns+0x12c/0x290
[   72.785813][ T4418]  ? sysfs_warn_dup+0xa0/0xa0
[   72.790468][ T4418]  ? sysfs_create_dir_ns+0x167/0x290
[   72.795748][ T4418]  ? rcu_is_watching+0x11/0xa0
[   72.800491][ T4418]  ? kobject_set_name_vargs+0xc6/0x110
[   72.805943][ T4418]  kobject_add_internal+0x5ba/0xcd0
[   72.811122][ T4418]  kobject_add+0x160/0x230
[   72.815518][ T4418]  ? kobject_init+0x1c0/0x1c0
[   72.820171][ T4418]  ? kobject_init+0x1c0/0x1c0
[   72.824888][ T4418]  ? dev_uevent_filter+0x3f/0xb0
[   72.829819][ T4418]  blk_mq_register_hctx+0x1d5/0x400
[   72.835015][ T4418]  __blk_mq_register_dev+0x206/0x640
[   72.840296][ T4418]  ? debugfs_create_dir+0x423/0x4c0
[   72.845474][ T4418]  blk_register_queue+0x1fc/0x3a0
[   72.850494][ T4418]  device_add_disk+0x60f/0xde0
[   72.855258][ T4418]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   72.860524][ T4418]  mtdblock_add_mtd+0x186/0x240
[   72.865355][ T4418]  blktrans_notify_add+0x95/0xe0
[   72.870296][ T4418]  add_mtd_device+0xd40/0x1260
[   72.875053][ T4418]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   72.880845][ T4418]  ? mtd_cls_resume+0x130/0x130
[   72.885690][ T4418]  mtd_add_partition+0x25d/0x420
[   72.890610][ T4418]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   72.895700][ T4418]  ? shrink_ecclayout+0xab0/0xab0
[   72.900707][ T4418]  ? __might_fault+0xb3/0x110
[   72.905380][ T4418]  ? _copy_from_user+0x111/0x170
[   72.910298][ T4418]  mtdchar_ioctl+0x14cb/0x1d70
[   72.915059][ T4418]  ? mtdchar_close+0x180/0x180
[   72.919803][ T4418]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   72.925765][ T4418]  ? verify_lock_unused+0x140/0x140
[   72.930955][ T4418]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   72.936585][ T4418]  ? rcu_lock_release+0x5/0x20
[   72.941335][ T4418]  ? __mutex_trylock_common+0x15c/0x260
[   72.946875][ T4418]  ? rcu_lock_release+0x20/0x20
[   72.951701][ T4418]  ? kasan_quarantine_put+0xd4/0x210
[   72.956986][ T4418]  ? __mutex_lock_common+0x435/0x2400
[   72.962354][ T4418]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   72.967704][ T4418]  ? mutex_lock_io_nested+0x60/0x60
[   72.972883][ T4418]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   72.978844][ T4418]  mtdchar_unlocked_ioctl+0xad/0xd0
[   72.984021][ T4418]  ? mtdchar_write+0x5a0/0x5a0
[   72.988763][ T4418]  __se_sys_ioctl+0xfa/0x170
[   72.993331][ T4418]  do_syscall_64+0x4c/0xa0
[   72.997724][ T4418]  ? clear_bhb_loop+0x30/0x80
[   73.002376][ T4418]  ? clear_bhb_loop+0x30/0x80
[   73.007029][ T4418]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.012905][ T4418] RIP: 0033:0x7efc7adef559
[   73.017300][ T4418] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   73.036884][ T4418] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   73.045281][ T4418] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   73.053231][ T4418] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   73.061180][ T4418] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   73.069141][ T4418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   73.077088][ T4418] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   73.085048][ T4418]  </TASK>
[   73.091123][ T4418] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[   73.117945][ T4420] 0x000000000003-0x000000010001 : ""
[   73.128886][ T4420] ftl_cs: FTL header corrupt!
[   73.136964][ T4420] FAULT_INJECTION: forcing a failure.
[   73.136964][ T4420] name failslab, interval 1, probability 0, space 0, times 0
[   73.151296][ T4420] CPU: 1 PID: 4420 Comm: syz.0.36 Not tainted syzkaller #0
[   73.158508][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   73.168553][ T4420] Call Trace:
[   73.171816][ T4420]  <TASK>
[   73.174728][ T4420]  dump_stack_lvl+0x188/0x250
[   73.179386][ T4420]  ? show_regs_print_info+0x20/0x20
[   73.184557][ T4420]  ? load_image+0x410/0x410
[   73.189042][ T4420]  ? __might_sleep+0xf0/0xf0
[   73.193614][ T4420]  ? __lock_acquire+0x7d40/0x7d40
[   73.198615][ T4420]  ? mark_lock+0x94/0x320
[   73.202935][ T4420]  should_fail+0x383/0x4b0
[   73.207334][ T4420]  should_failslab+0x5/0x20
[   73.211815][ T4420]  slab_pre_alloc_hook+0x51/0xc0
[   73.216736][ T4420]  ? __d_alloc+0x27/0x6d0
[   73.221044][ T4420]  kmem_cache_alloc+0x3d/0x280
[   73.225804][ T4420]  __d_alloc+0x27/0x6d0
[   73.229938][ T4420]  d_alloc_parallel+0x7b/0x1320
[   73.234777][ T4420]  ? __init_waitqueue_head+0xa4/0x140
[   73.240139][ T4420]  __lookup_slow+0x134/0x410
[   73.244740][ T4420]  ? lookup_one_len+0x2d0/0x2d0
[   73.249589][ T4420]  lookup_one_len+0x19d/0x2d0
[   73.254257][ T4420]  ? lookup_one_common+0x460/0x460
[   73.259348][ T4420]  ? do_raw_spin_unlock+0x11d/0x230
[   73.264536][ T4420]  ? mntput+0x64/0xc0
[   73.268530][ T4420]  start_creating+0x184/0x310
[   73.273217][ T4420]  __debugfs_create_file+0x6f/0x500
[   73.278426][ T4420]  blk_mq_debugfs_register+0x113/0x7e0
[   73.283869][ T4420]  ? debugfs_create_dir+0x423/0x4c0
[   73.289048][ T4420]  blk_register_queue+0x204/0x3a0
[   73.294057][ T4420]  device_add_disk+0x60f/0xde0
[   73.298806][ T4420]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   73.304075][ T4420]  mtdblock_add_mtd+0x186/0x240
[   73.308910][ T4420]  blktrans_notify_add+0x95/0xe0
[   73.313840][ T4420]  add_mtd_device+0xd40/0x1260
[   73.318616][ T4420]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   73.324410][ T4420]  ? mtd_cls_resume+0x130/0x130
[   73.329247][ T4420]  mtd_add_partition+0x25d/0x420
[   73.334166][ T4420]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   73.339255][ T4420]  ? shrink_ecclayout+0xab0/0xab0
[   73.344266][ T4420]  ? __might_fault+0xb3/0x110
[   73.348922][ T4420]  ? _copy_from_user+0x111/0x170
[   73.353838][ T4420]  mtdchar_ioctl+0x14cb/0x1d70
[   73.358581][ T4420]  ? mtdchar_close+0x180/0x180
[   73.363325][ T4420]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   73.369288][ T4420]  ? verify_lock_unused+0x140/0x140
[   73.374470][ T4420]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   73.380082][ T4420]  ? rcu_lock_release+0x5/0x20
[   73.384834][ T4420]  ? __mutex_trylock_common+0x15c/0x260
[   73.390358][ T4420]  ? rcu_lock_release+0x20/0x20
[   73.395191][ T4420]  ? kasan_quarantine_put+0xd4/0x210
[   73.400456][ T4420]  ? __mutex_lock_common+0x435/0x2400
[   73.405810][ T4420]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   73.411169][ T4420]  ? mutex_lock_io_nested+0x60/0x60
[   73.416377][ T4420]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   73.422364][ T4420]  mtdchar_unlocked_ioctl+0xad/0xd0
[   73.427560][ T4420]  ? mtdchar_write+0x5a0/0x5a0
[   73.432319][ T4420]  __se_sys_ioctl+0xfa/0x170
[   73.436902][ T4420]  do_syscall_64+0x4c/0xa0
[   73.441304][ T4420]  ? clear_bhb_loop+0x30/0x80
[   73.445966][ T4420]  ? clear_bhb_loop+0x30/0x80
[   73.450642][ T4420]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.456522][ T4420] RIP: 0033:0x7efc7adef559
[   73.460924][ T4420] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   73.480508][ T4420] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   73.488898][ T4420] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   73.496848][ T4420] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   73.504800][ T4420] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   73.512750][ T4420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   73.520701][ T4420] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   73.528671][ T4420]  </TASK>
[   73.562520][ T4422] 0x000000000003-0x000000010001 : ""
[   73.580953][ T4422] ftl_cs: FTL header corrupt!
[   73.588868][ T4422] FAULT_INJECTION: forcing a failure.
[   73.588868][ T4422] name failslab, interval 1, probability 0, space 0, times 0
[   73.629457][ T4422] CPU: 1 PID: 4422 Comm: syz.0.37 Not tainted syzkaller #0
[   73.636682][ T4422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   73.646719][ T4422] Call Trace:
[   73.649978][ T4422]  <TASK>
[   73.652908][ T4422]  dump_stack_lvl+0x188/0x250
[   73.657569][ T4422]  ? show_regs_print_info+0x20/0x20
[   73.662747][ T4422]  ? load_image+0x410/0x410
[   73.667228][ T4422]  ? __might_sleep+0xf0/0xf0
[   73.671806][ T4422]  ? __lock_acquire+0x7d40/0x7d40
[   73.676824][ T4422]  should_fail+0x383/0x4b0
[   73.681234][ T4422]  should_failslab+0x5/0x20
[   73.685743][ T4422]  slab_pre_alloc_hook+0x51/0xc0
[   73.690689][ T4422]  ? security_inode_alloc+0x30/0x110
[   73.695955][ T4422]  kmem_cache_alloc+0x3d/0x280
[   73.700702][ T4422]  security_inode_alloc+0x30/0x110
[   73.705796][ T4422]  inode_init_always+0x8e5/0xc90
[   73.710715][ T4422]  new_inode_pseudo+0x8e/0x210
[   73.715457][ T4422]  new_inode+0x25/0x1d0
[   73.719590][ T4422]  ? start_creating+0x1f5/0x310
[   73.724423][ T4422]  __debugfs_create_file+0x147/0x500
[   73.729693][ T4422]  blk_mq_debugfs_register+0xf1/0x7e0
[   73.735062][ T4422]  ? debugfs_create_dir+0x423/0x4c0
[   73.740245][ T4422]  blk_register_queue+0x204/0x3a0
[   73.745251][ T4422]  device_add_disk+0x60f/0xde0
[   73.750014][ T4422]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   73.755283][ T4422]  mtdblock_add_mtd+0x186/0x240
[   73.760113][ T4422]  blktrans_notify_add+0x95/0xe0
[   73.765027][ T4422]  add_mtd_device+0xd40/0x1260
[   73.769777][ T4422]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   73.775565][ T4422]  ? mtd_cls_resume+0x130/0x130
[   73.780425][ T4422]  mtd_add_partition+0x25d/0x420
[   73.785364][ T4422]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   73.790455][ T4422]  ? shrink_ecclayout+0xab0/0xab0
[   73.795466][ T4422]  ? __might_fault+0xb3/0x110
[   73.800140][ T4422]  ? _copy_from_user+0x111/0x170
[   73.805056][ T4422]  mtdchar_ioctl+0x14cb/0x1d70
[   73.809798][ T4422]  ? mtdchar_close+0x180/0x180
[   73.814553][ T4422]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   73.820535][ T4422]  ? verify_lock_unused+0x140/0x140
[   73.825721][ T4422]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   73.831337][ T4422]  ? rcu_lock_release+0x5/0x20
[   73.836093][ T4422]  ? __mutex_trylock_common+0x15c/0x260
[   73.841618][ T4422]  ? rcu_lock_release+0x20/0x20
[   73.846460][ T4422]  ? kasan_quarantine_put+0xd4/0x210
[   73.851744][ T4422]  ? __mutex_lock_common+0x435/0x2400
[   73.857101][ T4422]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   73.862459][ T4422]  ? mutex_lock_io_nested+0x60/0x60
[   73.867663][ T4422]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   73.873631][ T4422]  mtdchar_unlocked_ioctl+0xad/0xd0
[   73.878815][ T4422]  ? mtdchar_write+0x5a0/0x5a0
[   73.883561][ T4422]  __se_sys_ioctl+0xfa/0x170
[   73.888137][ T4422]  do_syscall_64+0x4c/0xa0
[   73.892532][ T4422]  ? clear_bhb_loop+0x30/0x80
[   73.897189][ T4422]  ? clear_bhb_loop+0x30/0x80
[   73.901866][ T4422]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.907740][ T4422] RIP: 0033:0x7efc7adef559
[   73.912140][ T4422] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   73.931723][ T4422] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   73.940120][ T4422] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   73.948070][ T4422] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   73.956020][ T4422] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   73.963970][ T4422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   73.971919][ T4422] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   73.979889][ T4422]  </TASK>
[   73.985492][ T4422] debugfs: out of free dentries, can not create file 'requeue_list'
[   74.027486][ T4424] 0x000000000003-0x000000010001 : ""
[   74.038781][ T4424] ftl_cs: FTL header corrupt!
[   74.046355][ T4424] FAULT_INJECTION: forcing a failure.
[   74.046355][ T4424] name failslab, interval 1, probability 0, space 0, times 0
[   74.060465][ T4424] CPU: 1 PID: 4424 Comm: syz.0.38 Not tainted syzkaller #0
[   74.067671][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   74.077713][ T4424] Call Trace:
[   74.080974][ T4424]  <TASK>
[   74.083893][ T4424]  dump_stack_lvl+0x188/0x250
[   74.088552][ T4424]  ? show_regs_print_info+0x20/0x20
[   74.093743][ T4424]  ? load_image+0x410/0x410
[   74.098257][ T4424]  ? __might_sleep+0xf0/0xf0
[   74.102828][ T4424]  ? __lock_acquire+0x7d40/0x7d40
[   74.107838][ T4424]  should_fail+0x383/0x4b0
[   74.112241][ T4424]  should_failslab+0x5/0x20
[   74.116726][ T4424]  slab_pre_alloc_hook+0x51/0xc0
[   74.121643][ T4424]  ? security_inode_alloc+0x30/0x110
[   74.126911][ T4424]  kmem_cache_alloc+0x3d/0x280
[   74.131653][ T4424]  security_inode_alloc+0x30/0x110
[   74.136763][ T4424]  inode_init_always+0x8e5/0xc90
[   74.141680][ T4424]  new_inode_pseudo+0x8e/0x210
[   74.146425][ T4424]  new_inode+0x25/0x1d0
[   74.150559][ T4424]  ? start_creating+0x1f5/0x310
[   74.155391][ T4424]  __debugfs_create_file+0x147/0x500
[   74.160659][ T4424]  blk_mq_debugfs_register+0xf1/0x7e0
[   74.166013][ T4424]  ? debugfs_create_dir+0x423/0x4c0
[   74.171193][ T4424]  blk_register_queue+0x204/0x3a0
[   74.176199][ T4424]  device_add_disk+0x60f/0xde0
[   74.180946][ T4424]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   74.186214][ T4424]  mtdblock_add_mtd+0x186/0x240
[   74.191042][ T4424]  blktrans_notify_add+0x95/0xe0
[   74.195960][ T4424]  add_mtd_device+0xd40/0x1260
[   74.200711][ T4424]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   74.206497][ T4424]  ? mtd_cls_resume+0x130/0x130
[   74.211355][ T4424]  mtd_add_partition+0x25d/0x420
[   74.216280][ T4424]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   74.221386][ T4424]  ? shrink_ecclayout+0xab0/0xab0
[   74.226399][ T4424]  ? __might_fault+0xb3/0x110
[   74.231074][ T4424]  ? _copy_from_user+0x111/0x170
[   74.236006][ T4424]  mtdchar_ioctl+0x14cb/0x1d70
[   74.240750][ T4424]  ? mtdchar_close+0x180/0x180
[   74.245491][ T4424]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   74.251452][ T4424]  ? verify_lock_unused+0x140/0x140
[   74.256631][ T4424]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   74.262242][ T4424]  ? rcu_lock_release+0x5/0x20
[   74.266999][ T4424]  ? __mutex_trylock_common+0x15c/0x260
[   74.272529][ T4424]  ? rcu_lock_release+0x20/0x20
[   74.277390][ T4424]  ? kasan_quarantine_put+0xd4/0x210
[   74.282655][ T4424]  ? __mutex_lock_common+0x435/0x2400
[   74.288014][ T4424]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   74.293387][ T4424]  ? mutex_lock_io_nested+0x60/0x60
[   74.298567][ T4424]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   74.304537][ T4424]  mtdchar_unlocked_ioctl+0xad/0xd0
[   74.309735][ T4424]  ? mtdchar_write+0x5a0/0x5a0
[   74.314492][ T4424]  __se_sys_ioctl+0xfa/0x170
[   74.319062][ T4424]  do_syscall_64+0x4c/0xa0
[   74.323459][ T4424]  ? clear_bhb_loop+0x30/0x80
[   74.328136][ T4424]  ? clear_bhb_loop+0x30/0x80
[   74.332789][ T4424]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.338658][ T4424] RIP: 0033:0x7efc7adef559
[   74.343052][ T4424] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   74.362640][ T4424] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   74.371037][ T4424] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   74.379004][ T4424] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   74.386976][ T4424] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   74.394953][ T4424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   74.402900][ T4424] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   74.410857][ T4424]  </TASK>
[   74.414518][ T4424] debugfs: out of free dentries, can not create file 'requeue_list'
[   74.441290][ T4426] 0x000000000003-0x000000010001 : ""
[   74.452436][ T4426] ftl_cs: FTL header corrupt!
[   74.461752][ T4426] FAULT_INJECTION: forcing a failure.
[   74.461752][ T4426] name failslab, interval 1, probability 0, space 0, times 0
[   74.475389][ T4426] CPU: 0 PID: 4426 Comm: syz.0.39 Not tainted syzkaller #0
[   74.482588][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   74.492619][ T4426] Call Trace:
[   74.495881][ T4426]  <TASK>
[   74.498790][ T4426]  dump_stack_lvl+0x188/0x250
[   74.503448][ T4426]  ? show_regs_print_info+0x20/0x20
[   74.508626][ T4426]  ? load_image+0x410/0x410
[   74.513104][ T4426]  ? __might_sleep+0xf0/0xf0
[   74.517677][ T4426]  ? __lock_acquire+0x7d40/0x7d40
[   74.522684][ T4426]  should_fail+0x383/0x4b0
[   74.527084][ T4426]  should_failslab+0x5/0x20
[   74.531564][ T4426]  slab_pre_alloc_hook+0x51/0xc0
[   74.536478][ T4426]  ? security_inode_alloc+0x30/0x110
[   74.541743][ T4426]  kmem_cache_alloc+0x3d/0x280
[   74.546486][ T4426]  security_inode_alloc+0x30/0x110
[   74.551575][ T4426]  inode_init_always+0x8e5/0xc90
[   74.556509][ T4426]  new_inode_pseudo+0x8e/0x210
[   74.561257][ T4426]  new_inode+0x25/0x1d0
[   74.565395][ T4426]  ? start_creating+0x1f5/0x310
[   74.570224][ T4426]  __debugfs_create_file+0x147/0x500
[   74.575487][ T4426]  blk_mq_debugfs_register+0xf1/0x7e0
[   74.580839][ T4426]  ? debugfs_create_dir+0x423/0x4c0
[   74.586016][ T4426]  blk_register_queue+0x204/0x3a0
[   74.591029][ T4426]  device_add_disk+0x60f/0xde0
[   74.595776][ T4426]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   74.601046][ T4426]  mtdblock_add_mtd+0x186/0x240
[   74.605876][ T4426]  blktrans_notify_add+0x95/0xe0
[   74.610792][ T4426]  add_mtd_device+0xd40/0x1260
[   74.615537][ T4426]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   74.621332][ T4426]  ? mtd_cls_resume+0x130/0x130
[   74.626175][ T4426]  mtd_add_partition+0x25d/0x420
[   74.631092][ T4426]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   74.636182][ T4426]  ? shrink_ecclayout+0xab0/0xab0
[   74.641213][ T4426]  ? __might_fault+0xb3/0x110
[   74.645888][ T4426]  ? _copy_from_user+0x111/0x170
[   74.650803][ T4426]  mtdchar_ioctl+0x14cb/0x1d70
[   74.655546][ T4426]  ? mtdchar_close+0x180/0x180
[   74.660294][ T4426]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   74.666254][ T4426]  ? verify_lock_unused+0x140/0x140
[   74.671433][ T4426]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   74.677042][ T4426]  ? rcu_lock_release+0x5/0x20
[   74.681792][ T4426]  ? __mutex_trylock_common+0x15c/0x260
[   74.687317][ T4426]  ? rcu_lock_release+0x20/0x20
[   74.692144][ T4426]  ? kasan_quarantine_put+0xd4/0x210
[   74.697410][ T4426]  ? __mutex_lock_common+0x435/0x2400
[   74.702766][ T4426]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   74.708132][ T4426]  ? mutex_lock_io_nested+0x60/0x60
[   74.713321][ T4426]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   74.719300][ T4426]  mtdchar_unlocked_ioctl+0xad/0xd0
[   74.724487][ T4426]  ? mtdchar_write+0x5a0/0x5a0
[   74.729229][ T4426]  __se_sys_ioctl+0xfa/0x170
[   74.733800][ T4426]  do_syscall_64+0x4c/0xa0
[   74.738193][ T4426]  ? clear_bhb_loop+0x30/0x80
[   74.742845][ T4426]  ? clear_bhb_loop+0x30/0x80
[   74.747501][ T4426]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.753368][ T4426] RIP: 0033:0x7efc7adef559
[   74.757763][ T4426] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   74.777343][ T4426] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
2026/10/17 21:53:19 executed programs: 24
[   74.785730][ T4426] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   74.793681][ T4426] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   74.801628][ T4426] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   74.809575][ T4426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   74.817524][ T4426] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   74.825483][ T4426]  </TASK>
[   74.831420][ T4426] debugfs: out of free dentries, can not create file 'requeue_list'
[   74.857048][ T4428] 0x000000000003-0x000000010001 : ""
[   74.868038][ T4428] ftl_cs: FTL header corrupt!
[   74.875716][ T4428] FAULT_INJECTION: forcing a failure.
[   74.875716][ T4428] name failslab, interval 1, probability 0, space 0, times 0
[   74.888769][ T4428] CPU: 1 PID: 4428 Comm: syz.0.40 Not tainted syzkaller #0
[   74.895969][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   74.906026][ T4428] Call Trace:
[   74.909284][ T4428]  <TASK>
[   74.912212][ T4428]  dump_stack_lvl+0x188/0x250
[   74.916871][ T4428]  ? show_regs_print_info+0x20/0x20
[   74.922061][ T4428]  ? load_image+0x410/0x410
[   74.926565][ T4428]  ? __lock_acquire+0x7d40/0x7d40
[   74.931575][ T4428]  should_fail+0x383/0x4b0
[   74.935975][ T4428]  should_failslab+0x5/0x20
[   74.940465][ T4428]  slab_pre_alloc_hook+0x51/0xc0
[   74.945406][ T4428]  ? new_inode_pseudo+0x77/0x210
[   74.950328][ T4428]  kmem_cache_alloc+0x3d/0x280
[   74.955075][ T4428]  new_inode_pseudo+0x77/0x210
[   74.959821][ T4428]  new_inode+0x25/0x1d0
[   74.963958][ T4428]  ? start_creating+0x1f5/0x310
[   74.968791][ T4428]  __debugfs_create_file+0x147/0x500
[   74.974057][ T4428]  blk_mq_debugfs_register+0xf1/0x7e0
[   74.979424][ T4428]  ? debugfs_create_dir+0x423/0x4c0
[   74.984601][ T4428]  blk_register_queue+0x204/0x3a0
[   74.989605][ T4428]  device_add_disk+0x60f/0xde0
[   74.994352][ T4428]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   74.999622][ T4428]  mtdblock_add_mtd+0x186/0x240
[   75.004466][ T4428]  blktrans_notify_add+0x95/0xe0
[   75.009386][ T4428]  add_mtd_device+0xd40/0x1260
[   75.014148][ T4428]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   75.019936][ T4428]  ? mtd_cls_resume+0x130/0x130
[   75.024775][ T4428]  mtd_add_partition+0x25d/0x420
[   75.029707][ T4428]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   75.034802][ T4428]  ? shrink_ecclayout+0xab0/0xab0
[   75.039821][ T4428]  ? __might_fault+0xb3/0x110
[   75.044478][ T4428]  ? _copy_from_user+0x111/0x170
[   75.049399][ T4428]  mtdchar_ioctl+0x14cb/0x1d70
[   75.054142][ T4428]  ? mtdchar_close+0x180/0x180
[   75.058885][ T4428]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.064858][ T4428]  ? verify_lock_unused+0x140/0x140
[   75.070037][ T4428]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   75.075645][ T4428]  ? rcu_lock_release+0x5/0x20
[   75.080417][ T4428]  ? __mutex_trylock_common+0x15c/0x260
[   75.085941][ T4428]  ? rcu_lock_release+0x20/0x20
[   75.090772][ T4428]  ? kasan_quarantine_put+0xd4/0x210
[   75.096054][ T4428]  ? __mutex_lock_common+0x435/0x2400
[   75.101425][ T4428]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   75.106779][ T4428]  ? mutex_lock_io_nested+0x60/0x60
[   75.111971][ T4428]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.117932][ T4428]  mtdchar_unlocked_ioctl+0xad/0xd0
[   75.123110][ T4428]  ? mtdchar_write+0x5a0/0x5a0
[   75.127864][ T4428]  __se_sys_ioctl+0xfa/0x170
[   75.132434][ T4428]  do_syscall_64+0x4c/0xa0
[   75.136829][ T4428]  ? clear_bhb_loop+0x30/0x80
[   75.141486][ T4428]  ? clear_bhb_loop+0x30/0x80
[   75.146143][ T4428]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.152042][ T4428] RIP: 0033:0x7efc7adef559
[   75.156465][ T4428] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   75.176072][ T4428] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   75.184485][ T4428] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   75.192434][ T4428] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   75.200406][ T4428] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   75.208356][ T4428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   75.216304][ T4428] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   75.224261][ T4428]  </TASK>
[   75.228874][ T4428] debugfs: out of free dentries, can not create file 'requeue_list'
[   75.256468][ T4430] 0x000000000003-0x000000010001 : ""
[   75.267511][ T4430] ftl_cs: FTL header corrupt!
[   75.277375][ T4430] FAULT_INJECTION: forcing a failure.
[   75.277375][ T4430] name failslab, interval 1, probability 0, space 0, times 0
[   75.290147][ T4430] CPU: 1 PID: 4430 Comm: syz.0.41 Not tainted syzkaller #0
[   75.297345][ T4430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   75.307388][ T4430] Call Trace:
[   75.310650][ T4430]  <TASK>
[   75.313563][ T4430]  dump_stack_lvl+0x188/0x250
[   75.318224][ T4430]  ? show_regs_print_info+0x20/0x20
[   75.323400][ T4430]  ? load_image+0x410/0x410
[   75.327885][ T4430]  ? __might_sleep+0xf0/0xf0
[   75.332451][ T4430]  ? __lock_acquire+0x7d40/0x7d40
[   75.337461][ T4430]  should_fail+0x383/0x4b0
[   75.341868][ T4430]  should_failslab+0x5/0x20
[   75.346374][ T4430]  slab_pre_alloc_hook+0x51/0xc0
[   75.351297][ T4430]  ? __d_alloc+0x27/0x6d0
[   75.355622][ T4430]  kmem_cache_alloc+0x3d/0x280
[   75.360368][ T4430]  __d_alloc+0x27/0x6d0
[   75.364506][ T4430]  d_alloc_parallel+0x7b/0x1320
[   75.369341][ T4430]  ? __init_waitqueue_head+0xa4/0x140
[   75.374692][ T4430]  __lookup_slow+0x134/0x410
[   75.379261][ T4430]  ? lookup_one_len+0x2d0/0x2d0
[   75.384099][ T4430]  lookup_one_len+0x19d/0x2d0
[   75.388758][ T4430]  ? lookup_one_common+0x460/0x460
[   75.393847][ T4430]  ? do_raw_spin_unlock+0x11d/0x230
[   75.399023][ T4430]  ? mntput+0x64/0xc0
[   75.402999][ T4430]  start_creating+0x184/0x310
[   75.407688][ T4430]  __debugfs_create_file+0x6f/0x500
[   75.412882][ T4430]  blk_mq_debugfs_register+0xcf/0x7e0
[   75.418233][ T4430]  ? debugfs_create_dir+0x423/0x4c0
[   75.423421][ T4430]  blk_register_queue+0x204/0x3a0
[   75.428425][ T4430]  device_add_disk+0x60f/0xde0
[   75.433174][ T4430]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   75.438445][ T4430]  mtdblock_add_mtd+0x186/0x240
[   75.443282][ T4430]  blktrans_notify_add+0x95/0xe0
[   75.448197][ T4430]  add_mtd_device+0xd40/0x1260
[   75.452948][ T4430]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   75.458736][ T4430]  ? mtd_cls_resume+0x130/0x130
[   75.463573][ T4430]  mtd_add_partition+0x25d/0x420
[   75.468493][ T4430]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   75.473582][ T4430]  ? shrink_ecclayout+0xab0/0xab0
[   75.478590][ T4430]  ? __might_fault+0xb3/0x110
[   75.483247][ T4430]  ? _copy_from_user+0x111/0x170
[   75.488162][ T4430]  mtdchar_ioctl+0x14cb/0x1d70
[   75.492918][ T4430]  ? mtdchar_close+0x180/0x180
[   75.497662][ T4430]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.503622][ T4430]  ? verify_lock_unused+0x140/0x140
[   75.508805][ T4430]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   75.514434][ T4430]  ? rcu_lock_release+0x5/0x20
[   75.519197][ T4430]  ? __mutex_trylock_common+0x15c/0x260
[   75.524721][ T4430]  ? rcu_lock_release+0x20/0x20
[   75.529573][ T4430]  ? kasan_quarantine_put+0xd4/0x210
[   75.534838][ T4430]  ? __mutex_lock_common+0x435/0x2400
[   75.540194][ T4430]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   75.545558][ T4430]  ? mutex_lock_io_nested+0x60/0x60
[   75.550751][ T4430]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.556742][ T4430]  mtdchar_unlocked_ioctl+0xad/0xd0
[   75.561943][ T4430]  ? mtdchar_write+0x5a0/0x5a0
[   75.566683][ T4430]  __se_sys_ioctl+0xfa/0x170
[   75.571283][ T4430]  do_syscall_64+0x4c/0xa0
[   75.575678][ T4430]  ? clear_bhb_loop+0x30/0x80
[   75.580334][ T4430]  ? clear_bhb_loop+0x30/0x80
[   75.584990][ T4430]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.590859][ T4430] RIP: 0033:0x7efc7adef559
[   75.595270][ T4430] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   75.614876][ T4430] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   75.623267][ T4430] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   75.631215][ T4430] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   75.639162][ T4430] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   75.647108][ T4430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   75.655058][ T4430] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   75.663016][ T4430]  </TASK>
[   75.689487][ T4432] 0x000000000003-0x000000010001 : ""
[   75.700975][ T4432] ftl_cs: FTL header corrupt!
[   75.708114][ T4432] FAULT_INJECTION: forcing a failure.
[   75.708114][ T4432] name failslab, interval 1, probability 0, space 0, times 0
[   75.721289][ T4432] CPU: 1 PID: 4432 Comm: syz.0.42 Not tainted syzkaller #0
[   75.728487][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   75.738532][ T4432] Call Trace:
[   75.741793][ T4432]  <TASK>
[   75.744711][ T4432]  dump_stack_lvl+0x188/0x250
[   75.749385][ T4432]  ? show_regs_print_info+0x20/0x20
[   75.754559][ T4432]  ? load_image+0x410/0x410
[   75.759042][ T4432]  ? __lock_acquire+0x7d40/0x7d40
[   75.764045][ T4432]  should_fail+0x383/0x4b0
[   75.768447][ T4432]  should_failslab+0x5/0x20
[   75.772928][ T4432]  slab_pre_alloc_hook+0x51/0xc0
[   75.777841][ T4432]  ? kobject_set_name_vargs+0x5d/0x110
[   75.783281][ T4432]  __kmalloc_track_caller+0x69/0x330
[   75.788548][ T4432]  ? kobject_set_name_vargs+0x5d/0x110
[   75.793986][ T4432]  kvasprintf+0xe3/0x1a0
[   75.798227][ T4432]  ? bust_spinlocks+0xd0/0xd0
[   75.802883][ T4432]  ? sysfs_create_dir_ns+0x167/0x290
[   75.808169][ T4432]  ? rcu_is_watching+0x11/0xa0
[   75.812913][ T4432]  ? kvasprintf_const+0xdd/0x240
[   75.817844][ T4432]  kobject_set_name_vargs+0x5d/0x110
[   75.823117][ T4432]  kobject_add+0x11e/0x230
[   75.827515][ T4432]  ? kobject_init+0x1c0/0x1c0
[   75.832168][ T4432]  ? kobject_init+0x1c0/0x1c0
[   75.836822][ T4432]  ? dev_uevent_filter+0x3f/0xb0
[   75.841764][ T4432]  blk_mq_register_hctx+0x1d5/0x400
[   75.846940][ T4432]  __blk_mq_register_dev+0x206/0x640
[   75.852204][ T4432]  ? debugfs_create_dir+0x423/0x4c0
[   75.857385][ T4432]  blk_register_queue+0x1fc/0x3a0
[   75.862406][ T4432]  device_add_disk+0x60f/0xde0
[   75.867156][ T4432]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   75.872424][ T4432]  mtdblock_add_mtd+0x186/0x240
[   75.877258][ T4432]  blktrans_notify_add+0x95/0xe0
[   75.882173][ T4432]  add_mtd_device+0xd40/0x1260
[   75.886925][ T4432]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   75.892713][ T4432]  ? mtd_cls_resume+0x130/0x130
[   75.897549][ T4432]  mtd_add_partition+0x25d/0x420
[   75.902470][ T4432]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   75.907573][ T4432]  ? shrink_ecclayout+0xab0/0xab0
[   75.912582][ T4432]  ? __might_fault+0xb3/0x110
[   75.917239][ T4432]  ? _copy_from_user+0x111/0x170
[   75.922153][ T4432]  mtdchar_ioctl+0x14cb/0x1d70
[   75.926895][ T4432]  ? mtdchar_close+0x180/0x180
[   75.931643][ T4432]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.937624][ T4432]  ? verify_lock_unused+0x140/0x140
[   75.942805][ T4432]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   75.948416][ T4432]  ? rcu_lock_release+0x5/0x20
[   75.953176][ T4432]  ? __mutex_trylock_common+0x15c/0x260
[   75.958703][ T4432]  ? rcu_lock_release+0x20/0x20
[   75.963537][ T4432]  ? kasan_quarantine_put+0xd4/0x210
[   75.968810][ T4432]  ? __mutex_lock_common+0x435/0x2400
[   75.974172][ T4432]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   75.979529][ T4432]  ? mutex_lock_io_nested+0x60/0x60
[   75.984712][ T4432]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   75.990680][ T4432]  mtdchar_unlocked_ioctl+0xad/0xd0
[   75.995860][ T4432]  ? mtdchar_write+0x5a0/0x5a0
[   76.000605][ T4432]  __se_sys_ioctl+0xfa/0x170
[   76.005180][ T4432]  do_syscall_64+0x4c/0xa0
[   76.009601][ T4432]  ? clear_bhb_loop+0x30/0x80
[   76.014257][ T4432]  ? clear_bhb_loop+0x30/0x80
[   76.018912][ T4432]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.024781][ T4432] RIP: 0033:0x7efc7adef559
[   76.029184][ T4432] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   76.048782][ T4432] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   76.057198][ T4432] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   76.065153][ T4432] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   76.073103][ T4432] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   76.081057][ T4432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   76.089020][ T4432] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   76.096978][ T4432]  </TASK>
[   76.100430][ T4432] kobject: can not set name properly!
[   76.124294][ T4434] 0x000000000003-0x000000010001 : ""
[   76.135697][ T4434] ftl_cs: FTL header corrupt!
[   76.143148][ T4434] FAULT_INJECTION: forcing a failure.
[   76.143148][ T4434] name failslab, interval 1, probability 0, space 0, times 0
[   76.156320][ T4434] CPU: 1 PID: 4434 Comm: syz.0.43 Not tainted syzkaller #0
[   76.163529][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   76.173577][ T4434] Call Trace:
[   76.176837][ T4434]  <TASK>
[   76.179752][ T4434]  dump_stack_lvl+0x188/0x250
[   76.184411][ T4434]  ? show_regs_print_info+0x20/0x20
[   76.189587][ T4434]  ? load_image+0x410/0x410
[   76.194070][ T4434]  ? __might_sleep+0xf0/0xf0
[   76.198640][ T4434]  ? __lock_acquire+0x7d40/0x7d40
[   76.203645][ T4434]  should_fail+0x383/0x4b0
[   76.208045][ T4434]  should_failslab+0x5/0x20
[   76.212528][ T4434]  slab_pre_alloc_hook+0x51/0xc0
[   76.217483][ T4434]  ? __kernfs_new_node+0xe3/0x6b0
[   76.222491][ T4434]  kmem_cache_alloc+0x3d/0x280
[   76.227459][ T4434]  __kernfs_new_node+0xe3/0x6b0
[   76.232625][ T4434]  ? kernfs_new_node+0x250/0x250
[   76.237589][ T4434]  ? pointer+0xc60/0xc60
[   76.241820][ T4434]  ? format_decode+0xb38/0x1330
[   76.246658][ T4434]  kernfs_new_node+0x148/0x250
[   76.251406][ T4434]  kernfs_create_dir_ns+0x40/0x120
[   76.256497][ T4434]  sysfs_create_dir_ns+0x12c/0x290
[   76.261597][ T4434]  ? sysfs_warn_dup+0xa0/0xa0
[   76.266253][ T4434]  ? sysfs_create_dir_ns+0x167/0x290
[   76.271532][ T4434]  ? rcu_is_watching+0x11/0xa0
[   76.276282][ T4434]  ? kobject_set_name_vargs+0xc6/0x110
[   76.281737][ T4434]  kobject_add_internal+0x5ba/0xcd0
[   76.286918][ T4434]  kobject_add+0x160/0x230
[   76.291313][ T4434]  ? kobject_init+0x1c0/0x1c0
[   76.295974][ T4434]  ? kobject_init+0x1c0/0x1c0
[   76.300632][ T4434]  ? dev_uevent_filter+0x3f/0xb0
[   76.305571][ T4434]  blk_mq_register_hctx+0x1d5/0x400
[   76.310761][ T4434]  __blk_mq_register_dev+0x206/0x640
[   76.312122][   T13] cfg80211: failed to load regulatory.db
[   76.316042][ T4434]  ? debugfs_create_dir+0x423/0x4c0
[   76.316070][ T4434]  blk_register_queue+0x1fc/0x3a0
[   76.331875][ T4434]  device_add_disk+0x60f/0xde0
[   76.336645][ T4434]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   76.341913][ T4434]  mtdblock_add_mtd+0x186/0x240
[   76.346746][ T4434]  blktrans_notify_add+0x95/0xe0
[   76.351660][ T4434]  add_mtd_device+0xd40/0x1260
[   76.356414][ T4434]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   76.362207][ T4434]  ? mtd_cls_resume+0x130/0x130
[   76.367048][ T4434]  mtd_add_partition+0x25d/0x420
[   76.371972][ T4434]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   76.377064][ T4434]  ? shrink_ecclayout+0xab0/0xab0
[   76.382078][ T4434]  ? __might_fault+0xb3/0x110
[   76.386735][ T4434]  ? _copy_from_user+0x111/0x170
[   76.391652][ T4434]  mtdchar_ioctl+0x14cb/0x1d70
[   76.396412][ T4434]  ? mtdchar_close+0x180/0x180
[   76.401158][ T4434]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   76.407119][ T4434]  ? verify_lock_unused+0x140/0x140
[   76.412308][ T4434]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   76.417935][ T4434]  ? rcu_lock_release+0x5/0x20
[   76.422692][ T4434]  ? __mutex_trylock_common+0x15c/0x260
[   76.428223][ T4434]  ? rcu_lock_release+0x20/0x20
[   76.433056][ T4434]  ? kasan_quarantine_put+0xd4/0x210
[   76.438326][ T4434]  ? __mutex_lock_common+0x435/0x2400
[   76.443688][ T4434]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   76.449041][ T4434]  ? mutex_lock_io_nested+0x60/0x60
[   76.454223][ T4434]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   76.460205][ T4434]  mtdchar_unlocked_ioctl+0xad/0xd0
[   76.465405][ T4434]  ? mtdchar_write+0x5a0/0x5a0
[   76.470169][ T4434]  __se_sys_ioctl+0xfa/0x170
[   76.474743][ T4434]  do_syscall_64+0x4c/0xa0
[   76.479141][ T4434]  ? clear_bhb_loop+0x30/0x80
[   76.483795][ T4434]  ? clear_bhb_loop+0x30/0x80
[   76.488451][ T4434]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.494325][ T4434] RIP: 0033:0x7efc7adef559
[   76.498726][ T4434] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   76.518311][ T4434] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   76.526716][ T4434] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   76.534669][ T4434] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   76.542622][ T4434] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   76.550571][ T4434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   76.558523][ T4434] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   76.566487][ T4434]  </TASK>
[   76.573956][ T4434] kobject_add_internal failed for cpu1 (error: -12 parent: 0)
[   76.618142][ T4436] 0x000000000003-0x000000010001 : ""
[   76.631649][ T4436] ftl_cs: FTL header corrupt!
[   76.638934][ T4436] FAULT_INJECTION: forcing a failure.
[   76.638934][ T4436] name failslab, interval 1, probability 0, space 0, times 0
[   76.656851][ T4436] CPU: 0 PID: 4436 Comm: syz.0.44 Not tainted syzkaller #0
[   76.664082][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   76.674142][ T4436] Call Trace:
[   76.677428][ T4436]  <TASK>
[   76.680354][ T4436]  dump_stack_lvl+0x188/0x250
[   76.685047][ T4436]  ? show_regs_print_info+0x20/0x20
[   76.690255][ T4436]  ? load_image+0x410/0x410
[   76.694767][ T4436]  ? __lock_acquire+0x7d40/0x7d40
[   76.699795][ T4436]  should_fail+0x383/0x4b0
[   76.704219][ T4436]  should_failslab+0x5/0x20
[   76.708724][ T4436]  slab_pre_alloc_hook+0x51/0xc0
[   76.713650][ T4436]  ? kobject_set_name_vargs+0x5d/0x110
[   76.719111][ T4436]  __kmalloc_track_caller+0x69/0x330
[   76.724395][ T4436]  ? kobject_set_name_vargs+0x5d/0x110
[   76.729854][ T4436]  kvasprintf+0xe3/0x1a0
[   76.734095][ T4436]  ? bust_spinlocks+0xd0/0xd0
[   76.738767][ T4436]  ? sysfs_create_dir_ns+0x167/0x290
[   76.744051][ T4436]  ? rcu_is_watching+0x11/0xa0
[   76.748816][ T4436]  ? kvasprintf_const+0xdd/0x240
[   76.753750][ T4436]  kobject_set_name_vargs+0x5d/0x110
[   76.759035][ T4436]  kobject_add+0x11e/0x230
[   76.763453][ T4436]  ? kobject_init+0x1c0/0x1c0
[   76.768128][ T4436]  ? kobject_init+0x1c0/0x1c0
[   76.772796][ T4436]  ? dev_uevent_filter+0x3f/0xb0
[   76.777735][ T4436]  blk_mq_register_hctx+0x1d5/0x400
[   76.782933][ T4436]  __blk_mq_register_dev+0x206/0x640
[   76.788214][ T4436]  ? debugfs_create_dir+0x423/0x4c0
[   76.793411][ T4436]  blk_register_queue+0x1fc/0x3a0
[   76.798437][ T4436]  device_add_disk+0x60f/0xde0
[   76.803210][ T4436]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   76.808523][ T4436]  mtdblock_add_mtd+0x186/0x240
[   76.813376][ T4436]  blktrans_notify_add+0x95/0xe0
[   76.818319][ T4436]  add_mtd_device+0xd40/0x1260
[   76.823097][ T4436]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   76.828906][ T4436]  ? mtd_cls_resume+0x130/0x130
[   76.833776][ T4436]  mtd_add_partition+0x25d/0x420
[   76.838722][ T4436]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   76.843831][ T4436]  ? shrink_ecclayout+0xab0/0xab0
[   76.848866][ T4436]  ? __might_fault+0xb3/0x110
[   76.853543][ T4436]  ? _copy_from_user+0x111/0x170
[   76.858481][ T4436]  mtdchar_ioctl+0x14cb/0x1d70
[   76.863248][ T4436]  ? mtdchar_close+0x180/0x180
[   76.868013][ T4436]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   76.873996][ T4436]  ? verify_lock_unused+0x140/0x140
[   76.879224][ T4436]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   76.884857][ T4436]  ? rcu_lock_release+0x5/0x20
[   76.889641][ T4436]  ? __mutex_trylock_common+0x15c/0x260
[   76.895188][ T4436]  ? rcu_lock_release+0x20/0x20
[   76.900036][ T4436]  ? kasan_quarantine_put+0xd4/0x210
[   76.905319][ T4436]  ? __mutex_lock_common+0x435/0x2400
[   76.910696][ T4436]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   76.916071][ T4436]  ? mutex_lock_io_nested+0x60/0x60
[   76.921271][ T4436]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   76.927259][ T4436]  mtdchar_unlocked_ioctl+0xad/0xd0
[   76.932450][ T4436]  ? mtdchar_write+0x5a0/0x5a0
[   76.937208][ T4436]  __se_sys_ioctl+0xfa/0x170
[   76.941798][ T4436]  do_syscall_64+0x4c/0xa0
[   76.946208][ T4436]  ? clear_bhb_loop+0x30/0x80
[   76.950878][ T4436]  ? clear_bhb_loop+0x30/0x80
[   76.955552][ T4436]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.961440][ T4436] RIP: 0033:0x7efc7adef559
[   76.965852][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   76.985451][ T4436] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   76.993869][ T4436] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   77.001844][ T4436] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   77.009832][ T4436] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   77.017805][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   77.025782][ T4436] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   77.033761][ T4436]  </TASK>
[   77.039952][ T4436] kobject: can not set name properly!
[   77.065770][ T4438] 0x000000000003-0x000000010001 : ""
[   77.073419][ T4438] ftl_cs: FTL header corrupt!
[   77.081710][ T4438] FAULT_INJECTION: forcing a failure.
[   77.081710][ T4438] name failslab, interval 1, probability 0, space 0, times 0
[   77.094914][ T4438] CPU: 0 PID: 4438 Comm: syz.0.45 Not tainted syzkaller #0
[   77.102127][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   77.112186][ T4438] Call Trace:
[   77.115452][ T4438]  <TASK>
[   77.118363][ T4438]  dump_stack_lvl+0x188/0x250
[   77.123024][ T4438]  ? show_regs_print_info+0x20/0x20
[   77.128213][ T4438]  ? load_image+0x410/0x410
[   77.132696][ T4438]  ? __might_sleep+0xf0/0xf0
[   77.137286][ T4438]  ? __lock_acquire+0x7d40/0x7d40
[   77.142301][ T4438]  should_fail+0x383/0x4b0
[   77.146704][ T4438]  should_failslab+0x5/0x20
[   77.151185][ T4438]  slab_pre_alloc_hook+0x51/0xc0
[   77.156138][ T4438]  ? __kernfs_new_node+0xe3/0x6b0
[   77.161143][ T4438]  kmem_cache_alloc+0x3d/0x280
[   77.165886][ T4438]  __kernfs_new_node+0xe3/0x6b0
[   77.170729][ T4438]  ? kernfs_new_node+0x250/0x250
[   77.175653][ T4438]  ? pointer+0xc60/0xc60
[   77.179878][ T4438]  ? format_decode+0xb38/0x1330
[   77.184713][ T4438]  kernfs_new_node+0x148/0x250
[   77.189473][ T4438]  kernfs_create_dir_ns+0x40/0x120
[   77.194565][ T4438]  sysfs_create_dir_ns+0x12c/0x290
[   77.199663][ T4438]  ? sysfs_warn_dup+0xa0/0xa0
[   77.204329][ T4438]  ? sysfs_create_dir_ns+0x167/0x290
[   77.209594][ T4438]  ? rcu_is_watching+0x11/0xa0
[   77.214333][ T4438]  ? kobject_set_name_vargs+0xc6/0x110
[   77.219771][ T4438]  kobject_add_internal+0x5ba/0xcd0
[   77.224978][ T4438]  kobject_add+0x160/0x230
[   77.229372][ T4438]  ? kobject_init+0x1c0/0x1c0
[   77.234024][ T4438]  ? kobject_init+0x1c0/0x1c0
[   77.238677][ T4438]  ? dev_uevent_filter+0x3f/0xb0
[   77.243592][ T4438]  blk_mq_register_hctx+0x1d5/0x400
[   77.248774][ T4438]  __blk_mq_register_dev+0x206/0x640
[   77.254037][ T4438]  ? debugfs_create_dir+0x423/0x4c0
[   77.259224][ T4438]  blk_register_queue+0x1fc/0x3a0
[   77.264225][ T4438]  device_add_disk+0x60f/0xde0
[   77.268972][ T4438]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   77.274238][ T4438]  mtdblock_add_mtd+0x186/0x240
[   77.279070][ T4438]  blktrans_notify_add+0x95/0xe0
[   77.283987][ T4438]  add_mtd_device+0xd40/0x1260
[   77.288741][ T4438]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   77.294544][ T4438]  ? mtd_cls_resume+0x130/0x130
[   77.299391][ T4438]  mtd_add_partition+0x25d/0x420
[   77.304317][ T4438]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   77.309423][ T4438]  ? shrink_ecclayout+0xab0/0xab0
[   77.314436][ T4438]  ? __might_fault+0xb3/0x110
[   77.319094][ T4438]  ? _copy_from_user+0x111/0x170
[   77.324015][ T4438]  mtdchar_ioctl+0x14cb/0x1d70
[   77.328779][ T4438]  ? mtdchar_close+0x180/0x180
[   77.333566][ T4438]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   77.339548][ T4438]  ? verify_lock_unused+0x140/0x140
[   77.344730][ T4438]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   77.350350][ T4438]  ? rcu_lock_release+0x5/0x20
[   77.355125][ T4438]  ? __mutex_trylock_common+0x15c/0x260
[   77.360652][ T4438]  ? rcu_lock_release+0x20/0x20
[   77.365485][ T4438]  ? kasan_quarantine_put+0xd4/0x210
[   77.370759][ T4438]  ? __mutex_lock_common+0x435/0x2400
[   77.376137][ T4438]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   77.381489][ T4438]  ? mutex_lock_io_nested+0x60/0x60
[   77.386671][ T4438]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   77.392638][ T4438]  mtdchar_unlocked_ioctl+0xad/0xd0
[   77.397815][ T4438]  ? mtdchar_write+0x5a0/0x5a0
[   77.402557][ T4438]  __se_sys_ioctl+0xfa/0x170
[   77.407127][ T4438]  do_syscall_64+0x4c/0xa0
[   77.411523][ T4438]  ? clear_bhb_loop+0x30/0x80
[   77.416178][ T4438]  ? clear_bhb_loop+0x30/0x80
[   77.420851][ T4438]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.426726][ T4438] RIP: 0033:0x7efc7adef559
[   77.431120][ T4438] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   77.450709][ T4438] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   77.459110][ T4438] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   77.467063][ T4438] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   77.475015][ T4438] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   77.482970][ T4438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   77.490923][ T4438] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   77.498883][ T4438]  </TASK>
[   77.509513][ T4438] kobject_add_internal failed for cpu1 (error: -12 parent: 0)
[   77.536616][ T4440] 0x000000000003-0x000000010001 : ""
[   77.548104][ T4440] ftl_cs: FTL header corrupt!
[   77.555428][ T4440] FAULT_INJECTION: forcing a failure.
[   77.555428][ T4440] name failslab, interval 1, probability 0, space 0, times 0
[   77.568159][ T4440] CPU: 1 PID: 4440 Comm: syz.0.46 Not tainted syzkaller #0
[   77.575360][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   77.585403][ T4440] Call Trace:
[   77.588665][ T4440]  <TASK>
[   77.591577][ T4440]  dump_stack_lvl+0x188/0x250
[   77.596240][ T4440]  ? show_regs_print_info+0x20/0x20
[   77.601417][ T4440]  ? load_image+0x410/0x410
[   77.605902][ T4440]  ? __lock_acquire+0x7d40/0x7d40
[   77.610920][ T4440]  should_fail+0x383/0x4b0
[   77.615332][ T4440]  should_failslab+0x5/0x20
[   77.619823][ T4440]  slab_pre_alloc_hook+0x51/0xc0
[   77.624772][ T4440]  ? kobject_set_name_vargs+0x5d/0x110
[   77.630211][ T4440]  __kmalloc_track_caller+0x69/0x330
[   77.635477][ T4440]  ? kobject_set_name_vargs+0x5d/0x110
[   77.640930][ T4440]  kvasprintf+0xe3/0x1a0
[   77.645153][ T4440]  ? bust_spinlocks+0xd0/0xd0
[   77.649805][ T4440]  ? sysfs_create_dir_ns+0x167/0x290
[   77.655083][ T4440]  ? rcu_is_watching+0x11/0xa0
[   77.659843][ T4440]  ? kvasprintf_const+0xdd/0x240
[   77.664761][ T4440]  kobject_set_name_vargs+0x5d/0x110
[   77.670033][ T4440]  kobject_add+0x11e/0x230
[   77.674444][ T4440]  ? kobject_init+0x1c0/0x1c0
[   77.679101][ T4440]  ? kobject_init+0x1c0/0x1c0
[   77.683759][ T4440]  ? dev_uevent_filter+0x3f/0xb0
[   77.688695][ T4440]  blk_mq_register_hctx+0x1d5/0x400
[   77.693877][ T4440]  __blk_mq_register_dev+0x206/0x640
[   77.699142][ T4440]  ? debugfs_create_dir+0x423/0x4c0
[   77.704324][ T4440]  blk_register_queue+0x1fc/0x3a0
[   77.709341][ T4440]  device_add_disk+0x60f/0xde0
[   77.714094][ T4440]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   77.719384][ T4440]  mtdblock_add_mtd+0x186/0x240
[   77.724215][ T4440]  blktrans_notify_add+0x95/0xe0
[   77.729148][ T4440]  add_mtd_device+0xd40/0x1260
[   77.733895][ T4440]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   77.739689][ T4440]  ? mtd_cls_resume+0x130/0x130
[   77.744526][ T4440]  mtd_add_partition+0x25d/0x420
[   77.749446][ T4440]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   77.754535][ T4440]  ? shrink_ecclayout+0xab0/0xab0
[   77.759544][ T4440]  ? __might_fault+0xb3/0x110
[   77.764199][ T4440]  ? _copy_from_user+0x111/0x170
[   77.769115][ T4440]  mtdchar_ioctl+0x14cb/0x1d70
[   77.773860][ T4440]  ? mtdchar_close+0x180/0x180
[   77.778604][ T4440]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   77.784565][ T4440]  ? verify_lock_unused+0x140/0x140
[   77.789770][ T4440]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   77.795382][ T4440]  ? rcu_lock_release+0x5/0x20
[   77.800163][ T4440]  ? __mutex_trylock_common+0x15c/0x260
[   77.805699][ T4440]  ? rcu_lock_release+0x20/0x20
[   77.810530][ T4440]  ? kasan_quarantine_put+0xd4/0x210
[   77.815792][ T4440]  ? __mutex_lock_common+0x435/0x2400
[   77.821147][ T4440]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   77.826498][ T4440]  ? mutex_lock_io_nested+0x60/0x60
[   77.831676][ T4440]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   77.837641][ T4440]  mtdchar_unlocked_ioctl+0xad/0xd0
[   77.842837][ T4440]  ? mtdchar_write+0x5a0/0x5a0
[   77.847578][ T4440]  __se_sys_ioctl+0xfa/0x170
[   77.852161][ T4440]  do_syscall_64+0x4c/0xa0
[   77.856554][ T4440]  ? clear_bhb_loop+0x30/0x80
[   77.861210][ T4440]  ? clear_bhb_loop+0x30/0x80
[   77.865863][ T4440]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.871740][ T4440] RIP: 0033:0x7efc7adef559
[   77.876143][ T4440] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   77.895728][ T4440] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   77.904123][ T4440] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   77.912076][ T4440] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   77.920050][ T4440] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   77.928026][ T4440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   77.935985][ T4440] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   77.943952][ T4440]  </TASK>
[   77.949736][ T4440] kobject: can not set name properly!
[   77.974156][ T4442] 0x000000000003-0x000000010001 : ""
[   77.981800][ T4442] ftl_cs: FTL header corrupt!
[   77.988941][ T4442] FAULT_INJECTION: forcing a failure.
[   77.988941][ T4442] name failslab, interval 1, probability 0, space 0, times 0
[   78.003726][ T4442] CPU: 0 PID: 4442 Comm: syz.0.47 Not tainted syzkaller #0
[   78.010939][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   78.020992][ T4442] Call Trace:
[   78.024254][ T4442]  <TASK>
[   78.027164][ T4442]  dump_stack_lvl+0x188/0x250
[   78.031824][ T4442]  ? show_regs_print_info+0x20/0x20
[   78.037005][ T4442]  ? load_image+0x410/0x410
[   78.041488][ T4442]  ? __might_sleep+0xf0/0xf0
[   78.046056][ T4442]  ? __lock_acquire+0x7d40/0x7d40
[   78.051061][ T4442]  should_fail+0x383/0x4b0
[   78.055459][ T4442]  should_failslab+0x5/0x20
[   78.059945][ T4442]  slab_pre_alloc_hook+0x51/0xc0
[   78.064877][ T4442]  ? __kernfs_new_node+0xa8/0x6b0
[   78.069881][ T4442]  __kmalloc_track_caller+0x69/0x330
[   78.075142][ T4442]  ? __kernfs_new_node+0xa8/0x6b0
[   78.080153][ T4442]  kstrdup_const+0x51/0x90
[   78.084563][ T4442]  __kernfs_new_node+0xa8/0x6b0
[   78.089400][ T4442]  ? kernfs_new_node+0x250/0x250
[   78.094319][ T4442]  ? pointer+0xc60/0xc60
[   78.098546][ T4442]  ? format_decode+0xb38/0x1330
[   78.103383][ T4442]  kernfs_new_node+0x148/0x250
[   78.108134][ T4442]  kernfs_create_dir_ns+0x40/0x120
[   78.113228][ T4442]  sysfs_create_dir_ns+0x12c/0x290
[   78.118322][ T4442]  ? sysfs_warn_dup+0xa0/0xa0
[   78.122980][ T4442]  ? sysfs_create_dir_ns+0x167/0x290
[   78.128242][ T4442]  ? rcu_is_watching+0x11/0xa0
[   78.132982][ T4442]  ? kobject_set_name_vargs+0xc6/0x110
[   78.138439][ T4442]  kobject_add_internal+0x5ba/0xcd0
[   78.143616][ T4442]  kobject_add+0x160/0x230
[   78.148011][ T4442]  ? kobject_init+0x1c0/0x1c0
[   78.152666][ T4442]  ? kobject_init+0x1c0/0x1c0
[   78.157319][ T4442]  ? dev_uevent_filter+0x3f/0xb0
[   78.162260][ T4442]  blk_mq_register_hctx+0x1d5/0x400
[   78.167439][ T4442]  __blk_mq_register_dev+0x206/0x640
[   78.172704][ T4442]  ? debugfs_create_dir+0x423/0x4c0
[   78.177913][ T4442]  blk_register_queue+0x1fc/0x3a0
[   78.182930][ T4442]  device_add_disk+0x60f/0xde0
[   78.187683][ T4442]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   78.192952][ T4442]  mtdblock_add_mtd+0x186/0x240
[   78.197790][ T4442]  blktrans_notify_add+0x95/0xe0
[   78.202707][ T4442]  add_mtd_device+0xd40/0x1260
[   78.207458][ T4442]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   78.213249][ T4442]  ? mtd_cls_resume+0x130/0x130
[   78.218092][ T4442]  mtd_add_partition+0x25d/0x420
[   78.223014][ T4442]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   78.228129][ T4442]  ? shrink_ecclayout+0xab0/0xab0
[   78.233141][ T4442]  ? __might_fault+0xb3/0x110
[   78.237798][ T4442]  ? _copy_from_user+0x111/0x170
[   78.242712][ T4442]  mtdchar_ioctl+0x14cb/0x1d70
[   78.247457][ T4442]  ? mtdchar_close+0x180/0x180
[   78.252209][ T4442]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   78.258176][ T4442]  ? verify_lock_unused+0x140/0x140
[   78.263356][ T4442]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   78.268971][ T4442]  ? rcu_lock_release+0x5/0x20
[   78.273731][ T4442]  ? __mutex_trylock_common+0x15c/0x260
[   78.279275][ T4442]  ? rcu_lock_release+0x20/0x20
[   78.284113][ T4442]  ? kasan_quarantine_put+0xd4/0x210
[   78.289384][ T4442]  ? __mutex_lock_common+0x435/0x2400
[   78.294737][ T4442]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   78.300092][ T4442]  ? mutex_lock_io_nested+0x60/0x60
[   78.305276][ T4442]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   78.311245][ T4442]  mtdchar_unlocked_ioctl+0xad/0xd0
[   78.316425][ T4442]  ? mtdchar_write+0x5a0/0x5a0
[   78.321170][ T4442]  __se_sys_ioctl+0xfa/0x170
[   78.325742][ T4442]  do_syscall_64+0x4c/0xa0
[   78.330138][ T4442]  ? clear_bhb_loop+0x30/0x80
[   78.334797][ T4442]  ? clear_bhb_loop+0x30/0x80
[   78.339455][ T4442]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.345328][ T4442] RIP: 0033:0x7efc7adef559
[   78.349727][ T4442] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   78.369330][ T4442] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   78.377728][ T4442] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   78.385698][ T4442] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   78.393650][ T4442] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   78.401602][ T4442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   78.409552][ T4442] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   78.417516][ T4442]  </TASK>
[   78.423896][ T4442] kobject_add_internal failed for cpu1 (error: -12 parent: 0)
[   78.451187][ T4444] 0x000000000003-0x000000010001 : ""
[   78.457922][ T4444] ftl_cs: FTL header corrupt!
[   78.466832][ T4444] FAULT_INJECTION: forcing a failure.
[   78.466832][ T4444] name failslab, interval 1, probability 0, space 0, times 0
[   78.480537][ T4444] CPU: 0 PID: 4444 Comm: syz.0.48 Not tainted syzkaller #0
[   78.487744][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   78.497793][ T4444] Call Trace:
[   78.501062][ T4444]  <TASK>
[   78.503972][ T4444]  dump_stack_lvl+0x188/0x250
[   78.508632][ T4444]  ? show_regs_print_info+0x20/0x20
[   78.513808][ T4444]  ? load_image+0x410/0x410
[   78.518293][ T4444]  ? __might_sleep+0xf0/0xf0
[   78.522861][ T4444]  ? __lock_acquire+0x7d40/0x7d40
[   78.527866][ T4444]  should_fail+0x383/0x4b0
[   78.532266][ T4444]  should_failslab+0x5/0x20
[   78.536745][ T4444]  slab_pre_alloc_hook+0x51/0xc0
[   78.541659][ T4444]  ? __kernfs_new_node+0xe3/0x6b0
[   78.546662][ T4444]  kmem_cache_alloc+0x3d/0x280
[   78.551404][ T4444]  __kernfs_new_node+0xe3/0x6b0
[   78.556237][ T4444]  ? kernfs_new_node+0x250/0x250
[   78.561155][ T4444]  ? pointer+0xc60/0xc60
[   78.565378][ T4444]  ? format_decode+0xb38/0x1330
[   78.570214][ T4444]  kernfs_new_node+0x148/0x250
[   78.574960][ T4444]  kernfs_create_dir_ns+0x40/0x120
[   78.580049][ T4444]  sysfs_create_dir_ns+0x12c/0x290
[   78.585140][ T4444]  ? sysfs_warn_dup+0xa0/0xa0
[   78.589793][ T4444]  ? sysfs_create_dir_ns+0x167/0x290
[   78.595064][ T4444]  ? rcu_is_watching+0x11/0xa0
[   78.599821][ T4444]  ? kobject_set_name_vargs+0xc6/0x110
[   78.605272][ T4444]  kobject_add_internal+0x5ba/0xcd0
[   78.610466][ T4444]  kobject_add+0x160/0x230
[   78.614891][ T4444]  ? kobject_init+0x1c0/0x1c0
[   78.619548][ T4444]  ? kobject_init+0x1c0/0x1c0
[   78.624225][ T4444]  ? dev_uevent_filter+0x3f/0xb0
[   78.629143][ T4444]  blk_mq_register_hctx+0x1d5/0x400
[   78.634327][ T4444]  __blk_mq_register_dev+0x206/0x640
[   78.639592][ T4444]  ? debugfs_create_dir+0x423/0x4c0
[   78.644769][ T4444]  blk_register_queue+0x1fc/0x3a0
[   78.649776][ T4444]  device_add_disk+0x60f/0xde0
[   78.654525][ T4444]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   78.659790][ T4444]  mtdblock_add_mtd+0x186/0x240
[   78.664634][ T4444]  blktrans_notify_add+0x95/0xe0
[   78.669551][ T4444]  add_mtd_device+0xd40/0x1260
[   78.674300][ T4444]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   78.680092][ T4444]  ? mtd_cls_resume+0x130/0x130
[   78.684929][ T4444]  mtd_add_partition+0x25d/0x420
[   78.689847][ T4444]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   78.694935][ T4444]  ? shrink_ecclayout+0xab0/0xab0
[   78.699944][ T4444]  ? __might_fault+0xb3/0x110
[   78.704601][ T4444]  ? _copy_from_user+0x111/0x170
[   78.709517][ T4444]  mtdchar_ioctl+0x14cb/0x1d70
[   78.714273][ T4444]  ? mtdchar_close+0x180/0x180
[   78.719032][ T4444]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   78.724992][ T4444]  ? verify_lock_unused+0x140/0x140
[   78.730170][ T4444]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   78.735783][ T4444]  ? rcu_lock_release+0x5/0x20
[   78.740533][ T4444]  ? __mutex_trylock_common+0x15c/0x260
[   78.746060][ T4444]  ? rcu_lock_release+0x20/0x20
[   78.750889][ T4444]  ? kasan_quarantine_put+0xd4/0x210
[   78.756153][ T4444]  ? __mutex_lock_common+0x435/0x2400
[   78.761512][ T4444]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   78.766867][ T4444]  ? mutex_lock_io_nested+0x60/0x60
[   78.772061][ T4444]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   78.778025][ T4444]  mtdchar_unlocked_ioctl+0xad/0xd0
[   78.783202][ T4444]  ? mtdchar_write+0x5a0/0x5a0
[   78.787943][ T4444]  __se_sys_ioctl+0xfa/0x170
[   78.792510][ T4444]  do_syscall_64+0x4c/0xa0
[   78.796922][ T4444]  ? clear_bhb_loop+0x30/0x80
[   78.801577][ T4444]  ? clear_bhb_loop+0x30/0x80
[   78.806236][ T4444]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.812105][ T4444] RIP: 0033:0x7efc7adef559
[   78.816496][ T4444] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   78.836080][ T4444] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   78.844482][ T4444] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   78.852437][ T4444] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   78.860389][ T4444] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   78.868340][ T4444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   78.876291][ T4444] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   78.884256][ T4444]  </TASK>
[   78.894563][ T4444] kobject_add_internal failed for cpu1 (error: -12 parent: 0)
[   78.922943][ T4446] 0x000000000003-0x000000010001 : ""
[   78.931972][ T4446] ftl_cs: FTL header corrupt!
[   78.939116][ T4446] FAULT_INJECTION: forcing a failure.
[   78.939116][ T4446] name failslab, interval 1, probability 0, space 0, times 0
[   78.953103][ T4446] CPU: 1 PID: 4446 Comm: syz.0.49 Not tainted syzkaller #0
[   78.960311][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   78.970361][ T4446] Call Trace:
[   78.973622][ T4446]  <TASK>
[   78.976533][ T4446]  dump_stack_lvl+0x188/0x250
[   78.981196][ T4446]  ? show_regs_print_info+0x20/0x20
[   78.986376][ T4446]  ? load_image+0x410/0x410
[   78.990859][ T4446]  ? __lock_acquire+0x7d40/0x7d40
[   78.995865][ T4446]  should_fail+0x383/0x4b0
[   79.000268][ T4446]  should_failslab+0x5/0x20
[   79.004768][ T4446]  slab_pre_alloc_hook+0x51/0xc0
[   79.009688][ T4446]  ? kobject_set_name_vargs+0x5d/0x110
[   79.015156][ T4446]  __kmalloc_track_caller+0x69/0x330
[   79.020433][ T4446]  ? kobject_set_name_vargs+0x5d/0x110
[   79.025874][ T4446]  kvasprintf+0xe3/0x1a0
[   79.030101][ T4446]  ? bust_spinlocks+0xd0/0xd0
[   79.034775][ T4446]  ? sysfs_create_dir_ns+0x167/0x290
[   79.040048][ T4446]  ? kvasprintf_const+0xdd/0x240
[   79.044973][ T4446]  kobject_set_name_vargs+0x5d/0x110
[   79.050242][ T4446]  kobject_add+0x11e/0x230
[   79.054647][ T4446]  ? kobject_init+0x1c0/0x1c0
[   79.059308][ T4446]  ? kobject_init+0x1c0/0x1c0
[   79.063965][ T4446]  ? dev_uevent_filter+0x3f/0xb0
[   79.068885][ T4446]  blk_mq_register_hctx+0x1d5/0x400
[   79.074079][ T4446]  __blk_mq_register_dev+0x206/0x640
[   79.079361][ T4446]  ? debugfs_create_dir+0x423/0x4c0
[   79.084541][ T4446]  blk_register_queue+0x1fc/0x3a0
[   79.089550][ T4446]  device_add_disk+0x60f/0xde0
[   79.094296][ T4446]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   79.099579][ T4446]  mtdblock_add_mtd+0x186/0x240
[   79.104409][ T4446]  blktrans_notify_add+0x95/0xe0
[   79.109338][ T4446]  add_mtd_device+0xd40/0x1260
[   79.114089][ T4446]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   79.119878][ T4446]  ? mtd_cls_resume+0x130/0x130
[   79.124718][ T4446]  mtd_add_partition+0x25d/0x420
[   79.129641][ T4446]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   79.134745][ T4446]  ? shrink_ecclayout+0xab0/0xab0
[   79.139756][ T4446]  ? __might_fault+0xb3/0x110
[   79.144413][ T4446]  ? _copy_from_user+0x111/0x170
[   79.149354][ T4446]  mtdchar_ioctl+0x14cb/0x1d70
[   79.154097][ T4446]  ? mtdchar_close+0x180/0x180
[   79.158841][ T4446]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   79.164822][ T4446]  ? verify_lock_unused+0x140/0x140
[   79.170023][ T4446]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   79.175634][ T4446]  ? rcu_lock_release+0x5/0x20
[   79.180386][ T4446]  ? __mutex_trylock_common+0x15c/0x260
[   79.185911][ T4446]  ? rcu_lock_release+0x20/0x20
[   79.190742][ T4446]  ? kasan_quarantine_put+0xd4/0x210
[   79.196008][ T4446]  ? __mutex_lock_common+0x435/0x2400
[   79.201365][ T4446]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   79.206716][ T4446]  ? mutex_lock_io_nested+0x60/0x60
[   79.211896][ T4446]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   79.217860][ T4446]  mtdchar_unlocked_ioctl+0xad/0xd0
[   79.223036][ T4446]  ? mtdchar_write+0x5a0/0x5a0
[   79.227777][ T4446]  __se_sys_ioctl+0xfa/0x170
[   79.232349][ T4446]  do_syscall_64+0x4c/0xa0
[   79.236744][ T4446]  ? clear_bhb_loop+0x30/0x80
[   79.241405][ T4446]  ? clear_bhb_loop+0x30/0x80
[   79.246058][ T4446]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   79.251929][ T4446] RIP: 0033:0x7efc7adef559
[   79.256326][ T4446] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   79.275907][ T4446] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   79.284319][ T4446] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   79.292273][ T4446] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   79.300224][ T4446] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   79.308172][ T4446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   79.316128][ T4446] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   79.324103][ T4446]  </TASK>
[   79.329305][ T4446] kobject: can not set name properly!
[   79.354062][ T4448] 0x000000000003-0x000000010001 : ""
[   79.362839][ T4448] ftl_cs: FTL header corrupt!
[   79.371889][ T4448] FAULT_INJECTION: forcing a failure.
[   79.371889][ T4448] name failslab, interval 1, probability 0, space 0, times 0
[   79.386536][ T4448] CPU: 0 PID: 4448 Comm: syz.0.50 Not tainted syzkaller #0
[   79.393746][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   79.403791][ T4448] Call Trace:
[   79.407057][ T4448]  <TASK>
[   79.409975][ T4448]  dump_stack_lvl+0x188/0x250
[   79.414637][ T4448]  ? show_regs_print_info+0x20/0x20
[   79.419814][ T4448]  ? load_image+0x410/0x410
[   79.424294][ T4448]  ? __lock_acquire+0x7d40/0x7d40
[   79.429314][ T4448]  should_fail+0x383/0x4b0
[   79.433714][ T4448]  should_failslab+0x5/0x20
[   79.438199][ T4448]  slab_pre_alloc_hook+0x51/0xc0
[   79.443132][ T4448]  ? kobject_set_name_vargs+0x5d/0x110
[   79.448571][ T4448]  __kmalloc_track_caller+0x69/0x330
[   79.453850][ T4448]  ? kobject_set_name_vargs+0x5d/0x110
[   79.459287][ T4448]  kvasprintf+0xe3/0x1a0
[   79.463523][ T4448]  ? bust_spinlocks+0xd0/0xd0
[   79.468177][ T4448]  ? sysfs_create_dir_ns+0x167/0x290
[   79.473445][ T4448]  ? rcu_is_watching+0x11/0xa0
[   79.478194][ T4448]  ? kvasprintf_const+0xdd/0x240
[   79.483109][ T4448]  kobject_set_name_vargs+0x5d/0x110
[   79.488373][ T4448]  kobject_add+0x11e/0x230
[   79.492770][ T4448]  ? kobject_init+0x1c0/0x1c0
[   79.497426][ T4448]  ? kobject_init+0x1c0/0x1c0
[   79.502075][ T4448]  ? dev_uevent_filter+0x3f/0xb0
[   79.506993][ T4448]  blk_mq_register_hctx+0x1d5/0x400
[   79.512172][ T4448]  __blk_mq_register_dev+0x206/0x640
[   79.517435][ T4448]  ? debugfs_create_dir+0x423/0x4c0
[   79.522610][ T4448]  blk_register_queue+0x1fc/0x3a0
[   79.527616][ T4448]  device_add_disk+0x60f/0xde0
[   79.532360][ T4448]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   79.537630][ T4448]  mtdblock_add_mtd+0x186/0x240
[   79.542462][ T4448]  blktrans_notify_add+0x95/0xe0
[   79.547379][ T4448]  add_mtd_device+0xd40/0x1260
[   79.552131][ T4448]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   79.557922][ T4448]  ? mtd_cls_resume+0x130/0x130
[   79.562759][ T4448]  mtd_add_partition+0x25d/0x420
[   79.567684][ T4448]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   79.572774][ T4448]  ? shrink_ecclayout+0xab0/0xab0
[   79.577782][ T4448]  ? __might_fault+0xb3/0x110
[   79.582437][ T4448]  ? _copy_from_user+0x111/0x170
[   79.587351][ T4448]  mtdchar_ioctl+0x14cb/0x1d70
[   79.592107][ T4448]  ? mtdchar_close+0x180/0x180
[   79.596851][ T4448]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   79.602812][ T4448]  ? verify_lock_unused+0x140/0x140
[   79.607991][ T4448]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   79.613602][ T4448]  ? rcu_lock_release+0x5/0x20
[   79.618353][ T4448]  ? __mutex_trylock_common+0x15c/0x260
[   79.623874][ T4448]  ? rcu_lock_release+0x20/0x20
[   79.628706][ T4448]  ? __mutex_lock_common+0x435/0x2400
[   79.634062][ T4448]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   79.639420][ T4448]  ? mutex_lock_io_nested+0x60/0x60
[   79.644619][ T4448]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   79.650581][ T4448]  mtdchar_unlocked_ioctl+0xad/0xd0
[   79.655758][ T4448]  ? mtdchar_write+0x5a0/0x5a0
[   79.660494][ T4448]  __se_sys_ioctl+0xfa/0x170
[   79.665063][ T4448]  do_syscall_64+0x4c/0xa0
[   79.669458][ T4448]  ? clear_bhb_loop+0x30/0x80
[   79.674119][ T4448]  ? clear_bhb_loop+0x30/0x80
[   79.678774][ T4448]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   79.684642][ T4448] RIP: 0033:0x7efc7adef559
[   79.689042][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   79.708624][ T4448] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   79.717035][ T4448] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   79.724987][ T4448] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   79.732967][ T4448] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   79.740919][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   79.748882][ T4448] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   79.756846][ T4448]  </TASK>
[   79.765339][ T4448] kobject: can not set name properly!
[   79.788976][ T4450] 0x000000000003-0x000000010001 : ""
[   79.801547][ T4450] ftl_cs: FTL header corrupt!
[   79.808639][ T4450] FAULT_INJECTION: forcing a failure.
[   79.808639][ T4450] name failslab, interval 1, probability 0, space 0, times 0
[   79.822651][ T4450] CPU: 0 PID: 4450 Comm: syz.0.51 Not tainted syzkaller #0
[   79.829863][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   79.839921][ T4450] Call Trace:
[   79.843195][ T4450]  <TASK>
[   79.846116][ T4450]  dump_stack_lvl+0x188/0x250
[   79.850780][ T4450]  ? show_regs_print_info+0x20/0x20
[   79.855966][ T4450]  ? load_image+0x410/0x410
[   79.860472][ T4450]  ? __might_sleep+0xf0/0xf0
[   79.865064][ T4450]  ? __lock_acquire+0x7d40/0x7d40
[   79.870087][ T4450]  should_fail+0x383/0x4b0
[   79.874521][ T4450]  should_failslab+0x5/0x20
[   79.879011][ T4450]  slab_pre_alloc_hook+0x51/0xc0
[   79.883930][ T4450]  ? __kernfs_new_node+0xe3/0x6b0
[   79.888939][ T4450]  kmem_cache_alloc+0x3d/0x280
[   79.893691][ T4450]  __kernfs_new_node+0xe3/0x6b0
[   79.898525][ T4450]  ? __lock_acquire+0x7d40/0x7d40
[   79.903535][ T4450]  ? kernfs_new_node+0x250/0x250
[   79.908462][ T4450]  ? kernfs_activate+0x1eb/0x210
[   79.913386][ T4450]  kernfs_new_node+0x148/0x250
[   79.918145][ T4450]  __kernfs_create_file+0x47/0x2e0
[   79.923244][ T4450]  sysfs_add_file_mode_ns+0x2d2/0x390
[   79.928605][ T4450]  internal_create_group+0x492/0xd00
[   79.933877][ T4450]  ? kobject_init+0x1c0/0x1c0
[   79.938533][ T4450]  ? sysfs_create_group+0x20/0x20
[   79.943545][ T4450]  blk_register_queue+0xdd/0x3a0
[   79.948469][ T4450]  device_add_disk+0x60f/0xde0
[   79.953220][ T4450]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   79.958489][ T4450]  mtdblock_add_mtd+0x186/0x240
[   79.963331][ T4450]  blktrans_notify_add+0x95/0xe0
[   79.968266][ T4450]  add_mtd_device+0xd40/0x1260
[   79.973018][ T4450]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   79.978807][ T4450]  ? mtd_cls_resume+0x130/0x130
[   79.983651][ T4450]  mtd_add_partition+0x25d/0x420
[   79.988577][ T4450]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   79.993675][ T4450]  ? shrink_ecclayout+0xab0/0xab0
[   79.998694][ T4450]  ? __might_fault+0xb3/0x110
[   80.003363][ T4450]  ? _copy_from_user+0x111/0x170
[   80.008287][ T4450]  mtdchar_ioctl+0x14cb/0x1d70
[   80.013059][ T4450]  ? mtdchar_close+0x180/0x180
[   80.017809][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.023779][ T4450]  ? verify_lock_unused+0x140/0x140
[   80.028965][ T4450]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   80.034599][ T4450]  ? rcu_lock_release+0x5/0x20
[   80.039356][ T4450]  ? __mutex_trylock_common+0x15c/0x260
[   80.044883][ T4450]  ? rcu_lock_release+0x20/0x20
[   80.049724][ T4450]  ? kasan_quarantine_put+0xd4/0x210
[   80.055002][ T4450]  ? __mutex_lock_common+0x435/0x2400
[   80.060373][ T4450]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   80.065749][ T4450]  ? mutex_lock_io_nested+0x60/0x60
[   80.070958][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.076933][ T4450]  mtdchar_unlocked_ioctl+0xad/0xd0
[   80.082121][ T4450]  ? mtdchar_write+0x5a0/0x5a0
[   80.086895][ T4450]  __se_sys_ioctl+0xfa/0x170
[   80.091471][ T4450]  do_syscall_64+0x4c/0xa0
[   80.095876][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.100537][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.105212][ T4450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   80.111092][ T4450] RIP: 0033:0x7efc7adef559
[   80.115491][ T4450] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   80.135079][ T4450] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   80.143481][ T4450] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   80.151438][ T4450] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   80.159397][ T4450] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   80.167352][ T4450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   80.175307][ T4450] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   80.183269][ T4450]  </TASK>
[   80.201722][ T4450] ------------[ cut here ]------------
[   80.207193][ T4450] WARNING: CPU: 1 PID: 4450 at block/genhd.c:554 device_add_disk+0x8d6/0xde0
[   80.216226][ T4450] Modules linked in:
[   80.220222][ T4450] CPU: 0 PID: 4450 Comm: syz.0.51 Not tainted syzkaller #0
[   80.227443][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   80.237652][ T4450] RIP: 0010:device_add_disk+0x8d6/0xde0
[   80.243245][ T4450] Code: 04 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 8f 03 00 00 8b 33 48 c7 c7 00 f4 70 8d e8 b1 3d 37 00 eb 05 e8 ea 04 a6 fd <0f> 0b 41 bd 01 00 00 00 44 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e
[   80.263085][ T4450] RSP: 0018:ffffc900031ef470 EFLAGS: 00010293
[   80.269162][ T4450] RAX: ffffffff83d31e76 RBX: ffff88806aae0000 RCX: ffff88802cfe8000
[   80.277317][ T4450] RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103
[   80.285354][ T4450] RBP: 000000000000001f R08: ffff888076dbc1db R09: 1ffff1100edb783b
[   80.293421][ T4450] R10: dffffc0000000000 R11: ffffed100edb783c R12: ffff88805cc85e40
[   80.301868][ T4450] R13: ffff88806aae0150 R14: dffffc0000000000 R15: ffff88805cc85e40
[   80.309911][ T4450] FS:  0000555591911500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[   80.318843][ T4450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.325517][ T4450] CR2: 000003ca2f90a000 CR3: 000000007931a000 CR4: 00000000003506f0
[   80.333525][ T4450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.341537][ T4450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.349516][ T4450] Call Trace:
[   80.353095][ T4450]  <TASK>
[   80.356035][ T4450]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   80.361388][ T4450]  mtdblock_add_mtd+0x186/0x240
[   80.366242][ T4450]  blktrans_notify_add+0x95/0xe0
[   80.371202][ T4450]  add_mtd_device+0xd40/0x1260
[   80.375978][ T4450]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   80.381841][ T4450]  ? mtd_cls_resume+0x130/0x130
[   80.386705][ T4450]  mtd_add_partition+0x25d/0x420
[   80.391674][ T4450]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   80.396812][ T4450]  ? shrink_ecclayout+0xab0/0xab0
[   80.401901][ T4450]  ? __might_fault+0xb3/0x110
[   80.406605][ T4450]  ? _copy_from_user+0x111/0x170
[   80.411750][ T4450]  mtdchar_ioctl+0x14cb/0x1d70
[   80.416527][ T4450]  ? mtdchar_close+0x180/0x180
[   80.421599][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.427592][ T4450]  ? verify_lock_unused+0x140/0x140
[   80.433071][ T4450]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   80.438703][ T4450]  ? rcu_lock_release+0x5/0x20
[   80.443508][ T4450]  ? __mutex_trylock_common+0x15c/0x260
[   80.449060][ T4450]  ? rcu_lock_release+0x20/0x20
[   80.453957][ T4450]  ? kasan_quarantine_put+0xd4/0x210
[   80.459352][ T4450]  ? __mutex_lock_common+0x435/0x2400
[   80.464768][ T4450]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   80.470170][ T4450]  ? mutex_lock_io_nested+0x60/0x60
[   80.475358][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.481384][ T4450]  mtdchar_unlocked_ioctl+0xad/0xd0
[   80.486614][ T4450]  ? mtdchar_write+0x5a0/0x5a0
[   80.491415][ T4450]  __se_sys_ioctl+0xfa/0x170
[   80.496004][ T4450]  do_syscall_64+0x4c/0xa0
[   80.500456][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.505131][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.509843][ T4450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   80.515736][ T4450] RIP: 0033:0x7efc7adef559
[   80.520886][ T4450] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   80.540574][ T4450] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   80.549004][ T4450] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   80.557016][ T4450] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   80.565156][ T4450] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   80.573157][ T4450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   80.581173][ T4450] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   80.589145][ T4450]  </TASK>
[   80.592210][ T4450] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   80.599495][ T4450] CPU: 0 PID: 4450 Comm: syz.0.51 Not tainted syzkaller #0
[   80.606670][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   80.616701][ T4450] Call Trace:
[   80.619965][ T4450]  <TASK>
[   80.622887][ T4450]  dump_stack_lvl+0x188/0x250
[   80.627554][ T4450]  ? show_regs_print_info+0x20/0x20
[   80.632731][ T4450]  ? load_image+0x410/0x410
[   80.637217][ T4450]  panic+0x2f8/0x850
[   80.641096][ T4450]  ? bpf_jit_dump+0xd0/0xd0
[   80.645583][ T4450]  ? device_add_disk+0x8d6/0xde0
[   80.650518][ T4450]  __warn+0x248/0x2b0
[   80.654483][ T4450]  ? device_add_disk+0x8d6/0xde0
[   80.659399][ T4450]  report_bug+0x1b9/0x2e0
[   80.663711][ T4450]  handle_bug+0x3a/0x70
[   80.667851][ T4450]  exc_invalid_op+0x16/0x40
[   80.672339][ T4450]  asm_exc_invalid_op+0x16/0x20
[   80.677169][ T4450] RIP: 0010:device_add_disk+0x8d6/0xde0
[   80.682693][ T4450] Code: 04 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 8f 03 00 00 8b 33 48 c7 c7 00 f4 70 8d e8 b1 3d 37 00 eb 05 e8 ea 04 a6 fd <0f> 0b 41 bd 01 00 00 00 44 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e
[   80.702276][ T4450] RSP: 0018:ffffc900031ef470 EFLAGS: 00010293
[   80.708328][ T4450] RAX: ffffffff83d31e76 RBX: ffff88806aae0000 RCX: ffff88802cfe8000
[   80.716280][ T4450] RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103
[   80.724228][ T4450] RBP: 000000000000001f R08: ffff888076dbc1db R09: 1ffff1100edb783b
[   80.732180][ T4450] R10: dffffc0000000000 R11: ffffed100edb783c R12: ffff88805cc85e40
[   80.740134][ T4450] R13: ffff88806aae0150 R14: dffffc0000000000 R15: ffff88805cc85e40
[   80.748107][ T4450]  ? device_add_disk+0x8d6/0xde0
[   80.753042][ T4450]  add_mtd_blktrans_dev+0xfb1/0x13f0
[   80.758315][ T4450]  mtdblock_add_mtd+0x186/0x240
[   80.763150][ T4450]  blktrans_notify_add+0x95/0xe0
[   80.768070][ T4450]  add_mtd_device+0xd40/0x1260
[   80.772829][ T4450]  ? mtd_pairing_info_to_wunit+0x360/0x360
[   80.778616][ T4450]  ? mtd_cls_resume+0x130/0x130
[   80.783453][ T4450]  mtd_add_partition+0x25d/0x420
[   80.788374][ T4450]  mtdchar_blkpg_ioctl+0x283/0x2b0
[   80.793465][ T4450]  ? shrink_ecclayout+0xab0/0xab0
[   80.798476][ T4450]  ? __might_fault+0xb3/0x110
[   80.803134][ T4450]  ? _copy_from_user+0x111/0x170
[   80.808054][ T4450]  mtdchar_ioctl+0x14cb/0x1d70
[   80.812816][ T4450]  ? mtdchar_close+0x180/0x180
[   80.817559][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.823521][ T4450]  ? verify_lock_unused+0x140/0x140
[   80.828704][ T4450]  ? __ia32_compat_sys_ioctl+0x910/0x910
[   80.834325][ T4450]  ? rcu_lock_release+0x5/0x20
[   80.839087][ T4450]  ? __mutex_trylock_common+0x15c/0x260
[   80.844637][ T4450]  ? rcu_lock_release+0x20/0x20
[   80.849470][ T4450]  ? kasan_quarantine_put+0xd4/0x210
[   80.854756][ T4450]  ? __mutex_lock_common+0x435/0x2400
[   80.860124][ T4450]  ? mtdchar_unlocked_ioctl+0xa0/0xd0
[   80.865514][ T4450]  ? mutex_lock_io_nested+0x60/0x60
[   80.870719][ T4450]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[   80.876687][ T4450]  mtdchar_unlocked_ioctl+0xad/0xd0
[   80.881862][ T4450]  ? mtdchar_write+0x5a0/0x5a0
[   80.886606][ T4450]  __se_sys_ioctl+0xfa/0x170
[   80.891178][ T4450]  do_syscall_64+0x4c/0xa0
[   80.895670][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.900345][ T4450]  ? clear_bhb_loop+0x30/0x80
[   80.905031][ T4450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   80.910907][ T4450] RIP: 0033:0x7efc7adef559
[   80.915303][ T4450] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[   80.934885][ T4450] RSP: 002b:00007ffc04cc9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   80.943291][ T4450] RAX: ffffffffffffffda RBX: 00007efc7b076fa0 RCX: 00007efc7adef559
[   80.951245][ T4450] RDX: 0000200000001940 RSI: 0000000000001269 RDI: 0000000000000004
[   80.959195][ T4450] RBP: 00007efc7ae86ab8 R08: 0000000000000000 R09: 0000000000000000
[   80.967172][ T4450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   80.975139][ T4450] R13: 00007efc7b076fac R14: 00007efc7b076fa0 R15: 00007efc7b076fa0
[   80.983099][ T4450]  </TASK>
[   80.986363][ T4450] Kernel Offset: disabled
[   80.990780][ T4450] Rebooting in 86400 seconds..