_slave_1) entered disabled state [ 35.981127][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.982578][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.998517][ T4863] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.008094][ T308] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.008116][ T308] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.008430][ T308] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.008449][ T308] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.015506][ T4856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.029219][ T4856] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.039305][ T308] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.039326][ T308] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.039697][ T308] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.039714][ T308] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.139350][ T4863] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.142357][ T4856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.163668][ T4863] veth0_vlan: entered promiscuous mode [ 36.165264][ T4863] veth1_vlan: entered promiscuous mode [ 36.169682][ T4856] veth0_vlan: entered promiscuous mode [ 36.171365][ T4856] veth1_vlan: entered promiscuous mode [ 36.184716][ T4863] veth0_macvtap: entered promiscuous mode [ 36.186879][ T4863] veth1_macvtap: entered promiscuous mode [ 36.189946][ T4856] veth0_macvtap: entered promiscuous mode [ 36.191579][ T4863] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.191714][ T4856] veth1_macvtap: entered promiscuous mode [ 36.194728][ T4863] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.213362][ T4856] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.215252][ T4856] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.238701][ T308] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.238713][ T308] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.252501][ T308] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.252515][ T308] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.261528][ T60] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.261539][ T60] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.274583][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.274593][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.277109][ T13] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278271][ T308] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278340][ T308] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278356][ T308] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278371][ T308] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278385][ T308] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278399][ T308] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.278411][ T308] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.312586][ T4980] loop2: detected capacity change from 0 to 2048 [ 36.341333][ T4981] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.342090][ T4980] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.375919][ T4996] device-mapper: ioctl: Invalid ioctl structure: name syzc0, dev f800 [ 36.378685][ T4994] EXT4-fs: can't change dax mount option while remounting [ 36.382830][ T4997] EXT4-fs: can't change dax mount option while remounting [ 36.382903][ T5000] device-mapper: ioctl: Invalid ioctl structure: name syzb0, dev f801 [ 36.383030][ T4981] FAULT_INJECTION: forcing a failure. [ 36.383030][ T4981] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 36.383786][ T4981] CPU: 1 UID: 0 PID: 4981 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT [ 36.383799][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.383804][ T4981] Call trace: [ 36.383807][ T4981] show_stack+0x2c/0x3c (C) [ 36.383821][ T4981] __dump_stack+0x30/0x40 [ 36.383829][ T4981] dump_stack_lvl+0xd8/0x12c [ 36.383837][ T4981] dump_stack+0x1c/0x28 [ 36.383844][ T4981] should_fail_ex+0x418/0x58c [ 36.383853][ T4981] should_fail_alloc_page+0xec/0x10c [ 36.383863][ T4981] prepare_alloc_pages+0x194/0x484 [ 36.383872][ T4981] __alloc_frozen_pages_noprof+0x180/0x578 [ 36.383881][ T4981] alloc_pages_mpol+0x1fc/0x3d0 [ 36.383890][ T4981] folio_alloc_mpol_noprof+0x4c/0x248 [ 36.383899][ T4981] shmem_alloc_folio+0xa0/0x150 [ 36.383907][ T4981] shmem_alloc_and_add_folio+0x28c/0xb30 [ 36.383915][ T4981] shmem_get_folio_gfp+0x4d8/0x1378 [ 36.383922][ T4981] shmem_write_begin+0x160/0x448 [ 36.383930][ T4981] generic_perform_write+0x23c/0x7a4 [ 36.383938][ T4981] shmem_file_write_iter+0x10c/0x134 [ 36.383945][ T4981] vfs_write+0x51c/0xa0c [ 36.383954][ T4981] ksys_write+0x12c/0x228 [ 36.383961][ T4981] __arm64_sys_write+0x84/0x98 [ 36.383969][ T4981] invoke_syscall+0x98/0x244 [ 36.383977][ T4981] el0_svc_common+0xec/0x23c [ 36.383984][ T4981] do_el0_svc+0x4c/0x5c [ 36.383991][ T4981] el0_svc+0x60/0x1d8 [ 36.383999][ T4981] el0t_64_sync_handler+0x44/0x104 [ 36.384006][ T4981] el0t_64_sync+0x198/0x19c [ 36.427424][ T4980] FAULT_INJECTION: forcing a failure. [ 36.427424][ T4980] name fail_futex, interval 1, probability 0, space 0, times 1 [ 36.427446][ T4980] CPU: 0 UID: 0 PID: 4980 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT [ 36.427460][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.427465][ T4980] Call trace: [ 36.427468][ T4980] show_stack+0x2c/0x3c (C) [ 36.427482][ T4980] __dump_stack+0x30/0x40 [ 36.427491][ T4980] dump_stack_lvl+0xd8/0x12c [ 36.427498][ T4980] dump_stack+0x1c/0x28 [ 36.427505][ T4980] should_fail_ex+0x418/0x58c [ 36.427515][ T4980] should_fail+0x14/0x24 [ 36.427522][ T4980] get_futex_key+0x718/0x12b0 [ 36.427533][ T4980] futex_wake+0x10c/0x594 [ 36.427540][ T4980] do_futex+0x2c4/0x378 [ 36.427550][ T4980] mm_exit_exec_release+0x190/0x27c [ 36.427559][ T4980] exit_mm+0x50/0x1f0 [ 36.427567][ T4980] do_exit+0x524/0x1a74 [ 36.427574][ T4980] do_group_exit+0x198/0x238 [ 36.427581][ T4980] get_signal+0xfb0/0x1094 [ 36.427590][ T4980] arch_do_signal_or_restart+0x288/0x444c [ 36.427598][ T4980] exit_to_user_mode_loop+0x70/0x17c [ 36.427608][ T4980] el0_svc+0x12c/0x1d8 [ 36.427616][ T4980] el0t_64_sync_handler+0x44/0x104 [ 36.427624][ T4980] el0t_64_sync+0x198/0x19c [ 36.431704][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.432031][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.432416][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 36.432506][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 36.439339][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.448492][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.491505][ T5007] loop1: detected capacity change from 0 to 2048 [ 36.493138][ T5009] loop2: detected capacity change from 0 to 2048 [ 36.509144][ T5007] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.510816][ T5009] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.532219][ T5036] EXT4-fs: can't change dax mount option while remounting [ 36.532443][ T5037] EXT4-fs: can't change dax mount option while remounting [ 36.540654][ T5009] FAULT_INJECTION: forcing a failure. [ 36.540654][ T5009] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.540671][ T5009] CPU: 1 UID: 0 PID: 5009 Comm: syz.2.23 Not tainted syzkaller #0 PREEMPT [ 36.540680][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.540685][ T5009] Call trace: [ 36.540688][ T5009] show_stack+0x2c/0x3c (C) [ 36.540702][ T5009] __dump_stack+0x30/0x40 [ 36.540710][ T5009] dump_stack_lvl+0xd8/0x12c [ 36.540718][ T5009] dump_stack+0x1c/0x28 [ 36.540725][ T5009] should_fail_ex+0x418/0x58c [ 36.540734][ T5009] should_fail+0x14/0x24 [ 36.540742][ T5009] get_futex_key+0xd0c/0x12b0 [ 36.540753][ T5009] futex_wake+0x10c/0x594 [ 36.540759][ T5009] do_futex+0x2c4/0x378 [ 36.540775][ T5009] mm_exit_exec_release+0x190/0x27c [ 36.540785][ T5009] exit_mm+0x50/0x1f0 [ 36.540793][ T5009] do_exit+0x524/0x1a74 [ 36.540801][ T5009] do_group_exit+0x198/0x238 [ 36.540808][ T5009] get_signal+0xfb0/0x1094 [ 36.540817][ T5009] arch_do_signal_or_restart+0x288/0x444c [ 36.540825][ T5009] exit_to_user_mode_loop+0x70/0x17c [ 36.540836][ T5009] el0_svc+0x12c/0x1d8 [ 36.540844][ T5009] el0t_64_sync_handler+0x44/0x104 [ 36.540851][ T5009] el0t_64_sync+0x198/0x19c [ 36.551218][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.551376][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 36.553194][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.553357][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 36.561010][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.568855][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.609988][ T5042] loop1: detected capacity change from 0 to 2048 [ 36.611200][ T5043] loop2: detected capacity change from 0 to 2048 [ 36.629966][ T5042] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.641563][ T5043] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.652039][ T5059] EXT4-fs: can't change dax mount option while remounting [ 36.655559][ T5042] FAULT_INJECTION: forcing a failure. [ 36.655559][ T5042] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.655574][ T5042] CPU: 1 UID: 0 PID: 5042 Comm: syz.1.24 Not tainted syzkaller #0 PREEMPT [ 36.655584][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.655589][ T5042] Call trace: [ 36.655591][ T5042] show_stack+0x2c/0x3c (C) [ 36.655605][ T5042] __dump_stack+0x30/0x40 [ 36.655614][ T5042] dump_stack_lvl+0xd8/0x12c [ 36.655621][ T5042] dump_stack+0x1c/0x28 [ 36.655628][ T5042] should_fail_ex+0x418/0x58c [ 36.655638][ T5042] should_fail+0x14/0x24 [ 36.655645][ T5042] get_futex_key+0x718/0x12b0 [ 36.655656][ T5042] futex_wake+0x10c/0x594 [ 36.655663][ T5042] do_futex+0x2c4/0x378 [ 36.655673][ T5042] mm_exit_exec_release+0x190/0x27c [ 36.655682][ T5042] exit_mm+0x50/0x1f0 [ 36.655690][ T5042] do_exit+0x524/0x1a74 [ 36.655697][ T5042] do_group_exit+0x198/0x238 [ 36.655704][ T5042] get_signal+0xfb0/0x1094 [ 36.655713][ T5042] arch_do_signal_or_restart+0x288/0x444c [ 36.655721][ T5042] exit_to_user_mode_loop+0x70/0x17c [ 36.655731][ T5042] el0_svc+0x12c/0x1d8 [ 36.655739][ T5042] el0t_64_sync_handler+0x44/0x104 [ 36.655747][ T5042] el0t_64_sync+0x198/0x19c [ 36.662741][ T5067] EXT4-fs: can't change dax mount option while remounting [ 36.670071][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.670305][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 36.675541][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.695331][ T5043] FAULT_INJECTION: forcing a failure. [ 36.695331][ T5043] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.695345][ T5043] CPU: 1 UID: 0 PID: 5043 Comm: syz.2.25 Not tainted syzkaller #0 PREEMPT [ 36.695355][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.695359][ T5043] Call trace: [ 36.695362][ T5043] show_stack+0x2c/0x3c (C) [ 36.695374][ T5043] __dump_stack+0x30/0x40 [ 36.695382][ T5043] dump_stack_lvl+0xd8/0x12c [ 36.695389][ T5043] dump_stack+0x1c/0x28 [ 36.695396][ T5043] should_fail_ex+0x418/0x58c [ 36.695405][ T5043] should_fail+0x14/0x24 [ 36.695413][ T5043] get_futex_key+0xd0c/0x12b0 [ 36.695423][ T5043] futex_wake+0x10c/0x594 [ 36.695430][ T5043] do_futex+0x2c4/0x378 [ 36.695439][ T5043] mm_exit_exec_release+0x190/0x27c [ 36.695448][ T5043] exit_mm+0x50/0x1f0 [ 36.695456][ T5043] do_exit+0x524/0x1a74 [ 36.695463][ T5043] do_group_exit+0x198/0x238 [ 36.695471][ T5043] get_signal+0xfb0/0x1094 [ 36.695479][ T5043] arch_do_signal_or_restart+0x288/0x444c [ 36.695487][ T5043] exit_to_user_mode_loop+0x70/0x17c [ 36.695497][ T5043] el0_svc+0x12c/0x1d8 [ 36.695504][ T5043] el0t_64_sync_handler+0x44/0x104 [ 36.695511][ T5043] el0t_64_sync+0x198/0x19c [ 36.707170][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.707383][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 36.714187][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.715736][ T5070] loop1: detected capacity change from 0 to 2048 [ 36.744478][ T5070] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.754375][ T5075] loop2: detected capacity change from 0 to 2048 [ 36.760019][ T5070] FAULT_INJECTION: forcing a failure. [ 36.760019][ T5070] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 36.760039][ T5070] CPU: 1 UID: 0 PID: 5070 Comm: syz.1.26 Not tainted syzkaller #0 PREEMPT [ 36.760049][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.760053][ T5070] Call trace: [ 36.760056][ T5070] show_stack+0x2c/0x3c (C) [ 36.760069][ T5070] __dump_stack+0x30/0x40 [ 36.760077][ T5070] dump_stack_lvl+0xd8/0x12c [ 36.760084][ T5070] dump_stack+0x1c/0x28 [ 36.760091][ T5070] should_fail_ex+0x418/0x58c [ 36.760101][ T5070] should_fail+0x14/0x24 [ 36.760108][ T5070] should_fail_usercopy+0x20/0x30 [ 36.760117][ T5070] copy_folio_from_iter_atomic+0x384/0x1518 [ 36.760128][ T5070] generic_perform_write+0x4bc/0x7a4 [ 36.760137][ T5070] shmem_file_write_iter+0x10c/0x134 [ 36.760145][ T5070] vfs_write+0x51c/0xa0c [ 36.760153][ T5070] ksys_write+0x12c/0x228 [ 36.760161][ T5070] __arm64_sys_write+0x84/0x98 [ 36.760169][ T5070] invoke_syscall+0x98/0x244 [ 36.760177][ T5070] el0_svc_common+0xec/0x23c [ 36.760184][ T5070] do_el0_svc+0x4c/0x5c [ 36.760191][ T5070] el0_svc+0x60/0x1d8 [ 36.760199][ T5070] el0t_64_sync_handler+0x44/0x104 [ 36.760206][ T5070] el0t_64_sync+0x198/0x19c [ 36.764762][ T5070] EXT4-fs: can't change dax mount option while remounting [ 36.780076][ T5075] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.794406][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.794587][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 36.812786][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.814581][ T5097] EXT4-fs: can't change dax mount option while remounting [ 36.821379][ T5075] FAULT_INJECTION: forcing a failure. [ 36.821379][ T5075] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.821400][ T5075] CPU: 1 UID: 0 PID: 5075 Comm: syz.2.27 Not tainted syzkaller #0 PREEMPT [ 36.821421][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.821429][ T5075] Call trace: [ 36.821434][ T5075] show_stack+0x2c/0x3c (C) [ 36.821451][ T5075] __dump_stack+0x30/0x40 [ 36.821460][ T5075] dump_stack_lvl+0xd8/0x12c [ 36.821468][ T5075] dump_stack+0x1c/0x28 [ 36.821475][ T5075] should_fail_ex+0x418/0x58c [ 36.821485][ T5075] should_fail+0x14/0x24 [ 36.821493][ T5075] get_futex_key+0xd0c/0x12b0 [ 36.821504][ T5075] futex_wake+0x10c/0x594 [ 36.821510][ T5075] do_futex+0x2c4/0x378 [ 36.821520][ T5075] mm_exit_exec_release+0x190/0x27c [ 36.821529][ T5075] exit_mm+0x50/0x1f0 [ 36.821537][ T5075] do_exit+0x524/0x1a74 [ 36.821544][ T5075] do_group_exit+0x198/0x238 [ 36.821552][ T5075] get_signal+0xfb0/0x1094 [ 36.821561][ T5075] arch_do_signal_or_restart+0x288/0x444c [ 36.821568][ T5075] exit_to_user_mode_loop+0x70/0x17c [ 36.821579][ T5075] el0_svc+0x12c/0x1d8 [ 36.821586][ T5075] el0t_64_sync_handler+0x44/0x104 [ 36.821593][ T5075] el0t_64_sync+0x198/0x19c [ 36.833071][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.835538][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 36.843177][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.863086][ T5100] loop1: detected capacity change from 0 to 2048 [ 36.879396][ T5104] loop2: detected capacity change from 0 to 2048 [ 36.885527][ T5100] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.896548][ T4864] Bluetooth: hci1: command tx timeout [ 36.896664][ T4864] Bluetooth: hci0: command tx timeout [ 36.901634][ T5104] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 36.920431][ T5112] EXT4-fs: can't change dax mount option while remounting [ 36.921288][ T5117] EXT4-fs: can't change dax mount option while remounting [ 36.926697][ T5104] FAULT_INJECTION: forcing a failure. [ 36.926697][ T5104] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.926713][ T5104] CPU: 1 UID: 0 PID: 5104 Comm: syz.2.29 Not tainted syzkaller #0 PREEMPT [ 36.926723][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.926727][ T5104] Call trace: [ 36.926730][ T5104] show_stack+0x2c/0x3c (C) [ 36.926744][ T5104] __dump_stack+0x30/0x40 [ 36.926753][ T5104] dump_stack_lvl+0xd8/0x12c [ 36.926760][ T5104] dump_stack+0x1c/0x28 [ 36.926773][ T5104] should_fail_ex+0x418/0x58c [ 36.926782][ T5104] should_fail+0x14/0x24 [ 36.926793][ T5104] get_futex_key+0x718/0x12b0 [ 36.926804][ T5104] futex_wake+0x10c/0x594 [ 36.926811][ T5104] do_futex+0x2c4/0x378 [ 36.926821][ T5104] mm_exit_exec_release+0x190/0x27c [ 36.926830][ T5104] exit_mm+0x50/0x1f0 [ 36.926838][ T5104] do_exit+0x524/0x1a74 [ 36.926845][ T5104] do_group_exit+0x198/0x238 [ 36.926853][ T5104] get_signal+0xfb0/0x1094 [ 36.926862][ T5104] arch_do_signal_or_restart+0x288/0x444c [ 36.926869][ T5104] exit_to_user_mode_loop+0x70/0x17c [ 36.926880][ T5104] el0_svc+0x12c/0x1d8 [ 36.926888][ T5104] el0t_64_sync_handler+0x44/0x104 [ 36.926896][ T5104] el0t_64_sync+0x198/0x19c [ 36.931041][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.931211][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 36.934382][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 36.955233][ T5100] FAULT_INJECTION: forcing a failure. [ 36.955233][ T5100] name fail_futex, interval 1, probability 0, space 0, times 0 [ 36.955248][ T5100] CPU: 1 UID: 0 PID: 5100 Comm: syz.1.28 Not tainted syzkaller #0 PREEMPT [ 36.955258][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 36.955262][ T5100] Call trace: [ 36.955265][ T5100] show_stack+0x2c/0x3c (C) [ 36.955276][ T5100] __dump_stack+0x30/0x40 [ 36.955284][ T5100] dump_stack_lvl+0xd8/0x12c [ 36.955292][ T5100] dump_stack+0x1c/0x28 [ 36.955299][ T5100] should_fail_ex+0x418/0x58c [ 36.955308][ T5100] should_fail+0x14/0x24 [ 36.955316][ T5100] get_futex_key+0x1ec/0x12b0 [ 36.955326][ T5100] futex_wake+0x10c/0x594 [ 36.955332][ T5100] do_futex+0x2c4/0x378 [ 36.955342][ T5100] mm_exit_exec_release+0x190/0x27c [ 36.955351][ T5100] exit_mm+0x50/0x1f0 [ 36.955358][ T5100] do_exit+0x524/0x1a74 [ 36.955365][ T5100] do_group_exit+0x198/0x238 [ 36.955373][ T5100] get_signal+0xfb0/0x1094 [ 36.955381][ T5100] arch_do_signal_or_restart+0x288/0x444c [ 36.955389][ T5100] exit_to_user_mode_loop+0x70/0x17c [ 36.955400][ T5100] el0_svc+0x12c/0x1d8 [ 36.955407][ T5100] el0t_64_sync_handler+0x44/0x104 [ 36.955414][ T5100] el0t_64_sync+0x198/0x19c [ 36.963303][ T5122] loop2: detected capacity change from 0 to 2048 [ 36.965589][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 36.965761][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 36.978171][ T4860] Bluetooth: hci4: command tx timeout [ 36.978374][ T4864] Bluetooth: hci2: command tx timeout [ 36.993705][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.001268][ T5122] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.025951][ T5138] EXT4-fs: can't change dax mount option while remounting [ 37.031684][ T5122] FAULT_INJECTION: forcing a failure. [ 37.031684][ T5122] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.031700][ T5122] CPU: 1 UID: 0 PID: 5122 Comm: syz.2.30 Not tainted syzkaller #0 PREEMPT [ 37.031709][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.031714][ T5122] Call trace: [ 37.031716][ T5122] show_stack+0x2c/0x3c (C) [ 37.031729][ T5122] __dump_stack+0x30/0x40 [ 37.031737][ T5122] dump_stack_lvl+0xd8/0x12c [ 37.031744][ T5122] dump_stack+0x1c/0x28 [ 37.031751][ T5122] should_fail_ex+0x418/0x58c [ 37.031760][ T5122] should_fail+0x14/0x24 [ 37.031775][ T5122] get_futex_key+0x718/0x12b0 [ 37.031785][ T5122] futex_wake+0x10c/0x594 [ 37.031792][ T5122] do_futex+0x2c4/0x378 [ 37.031802][ T5122] mm_exit_exec_release+0x190/0x27c [ 37.031812][ T5122] exit_mm+0x50/0x1f0 [ 37.031819][ T5122] do_exit+0x524/0x1a74 [ 37.031827][ T5122] do_group_exit+0x198/0x238 [ 37.031834][ T5122] get_signal+0xfb0/0x1094 [ 37.031843][ T5122] arch_do_signal_or_restart+0x288/0x444c [ 37.031850][ T5122] exit_to_user_mode_loop+0x70/0x17c [ 37.031861][ T5122] el0_svc+0x12c/0x1d8 [ 37.031869][ T5122] el0t_64_sync_handler+0x44/0x104 [ 37.031876][ T5122] el0t_64_sync+0x198/0x19c [ 37.035706][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.038043][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.045653][ T5128] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.051289][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.069389][ T4864] Bluetooth: hci3: command tx timeout [ 37.082939][ T5153] EXT4-fs: can't change dax mount option while remounting [ 37.090244][ T5128] FAULT_INJECTION: forcing a failure. [ 37.090244][ T5128] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.090262][ T5128] CPU: 1 UID: 0 PID: 5128 Comm: syz.1.31 Not tainted syzkaller #0 PREEMPT [ 37.090272][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.090277][ T5128] Call trace: [ 37.090280][ T5128] show_stack+0x2c/0x3c (C) [ 37.090291][ T5128] __dump_stack+0x30/0x40 [ 37.090299][ T5128] dump_stack_lvl+0xd8/0x12c [ 37.090306][ T5128] dump_stack+0x1c/0x28 [ 37.090313][ T5128] should_fail_ex+0x418/0x58c [ 37.090322][ T5128] should_fail+0x14/0x24 [ 37.090330][ T5128] get_futex_key+0x718/0x12b0 [ 37.090340][ T5128] futex_wake+0x10c/0x594 [ 37.090347][ T5128] do_futex+0x2c4/0x378 [ 37.090356][ T5128] mm_exit_exec_release+0x190/0x27c [ 37.090365][ T5128] exit_mm+0x50/0x1f0 [ 37.090372][ T5128] do_exit+0x524/0x1a74 [ 37.090380][ T5128] do_group_exit+0x198/0x238 [ 37.090387][ T5128] get_signal+0xfb0/0x1094 [ 37.090396][ T5128] arch_do_signal_or_restart+0x288/0x444c [ 37.090403][ T5128] exit_to_user_mode_loop+0x70/0x17c [ 37.090414][ T5128] el0_svc+0x12c/0x1d8 [ 37.090421][ T5128] el0t_64_sync_handler+0x44/0x104 [ 37.090428][ T5128] el0t_64_sync+0x198/0x19c [ 37.094612][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.094785][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.108283][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.121524][ T5156] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.147729][ T5164] EXT4-fs: can't change dax mount option while remounting [ 37.150550][ T5156] FAULT_INJECTION: forcing a failure. [ 37.150550][ T5156] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.150566][ T5156] CPU: 1 UID: 0 PID: 5156 Comm: syz.2.32 Not tainted syzkaller #0 PREEMPT [ 37.150575][ T5156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.150580][ T5156] Call trace: [ 37.150583][ T5156] show_stack+0x2c/0x3c (C) [ 37.150595][ T5156] __dump_stack+0x30/0x40 [ 37.150603][ T5156] dump_stack_lvl+0xd8/0x12c [ 37.150611][ T5156] dump_stack+0x1c/0x28 [ 37.150618][ T5156] should_fail_ex+0x418/0x58c [ 37.150627][ T5156] should_fail+0x14/0x24 [ 37.150635][ T5156] get_futex_key+0xd0c/0x12b0 [ 37.150646][ T5156] futex_wake+0x10c/0x594 [ 37.150652][ T5156] do_futex+0x2c4/0x378 [ 37.150662][ T5156] mm_exit_exec_release+0x190/0x27c [ 37.150671][ T5156] exit_mm+0x50/0x1f0 [ 37.150678][ T5156] do_exit+0x524/0x1a74 [ 37.150686][ T5156] do_group_exit+0x198/0x238 [ 37.150693][ T5156] get_signal+0xfb0/0x1094 [ 37.150702][ T5156] arch_do_signal_or_restart+0x288/0x444c [ 37.150709][ T5156] exit_to_user_mode_loop+0x70/0x17c [ 37.150720][ T5156] el0_svc+0x12c/0x1d8 [ 37.150728][ T5156] el0t_64_sync_handler+0x44/0x104 [ 37.150735][ T5156] el0t_64_sync+0x198/0x19c [ 37.155423][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.155715][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.170761][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.200444][ T5169] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.221519][ T5172] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.225220][ T5186] EXT4-fs: can't change dax mount option while remounting [ 37.232342][ T5169] FAULT_INJECTION: forcing a failure. [ 37.232342][ T5169] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.232357][ T5169] CPU: 0 UID: 0 PID: 5169 Comm: syz.1.33 Not tainted syzkaller #0 PREEMPT [ 37.232367][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.232372][ T5169] Call trace: [ 37.232374][ T5169] show_stack+0x2c/0x3c (C) [ 37.232388][ T5169] __dump_stack+0x30/0x40 [ 37.232397][ T5169] dump_stack_lvl+0xd8/0x12c [ 37.232404][ T5169] dump_stack+0x1c/0x28 [ 37.232411][ T5169] should_fail_ex+0x418/0x58c [ 37.232421][ T5169] should_fail+0x14/0x24 [ 37.232429][ T5169] get_futex_key+0xd0c/0x12b0 [ 37.232439][ T5169] futex_wake+0x10c/0x594 [ 37.232446][ T5169] do_futex+0x2c4/0x378 [ 37.232456][ T5169] mm_exit_exec_release+0x190/0x27c [ 37.232465][ T5169] exit_mm+0x50/0x1f0 [ 37.232472][ T5169] do_exit+0x524/0x1a74 [ 37.232480][ T5169] do_group_exit+0x198/0x238 [ 37.232487][ T5169] get_signal+0xfb0/0x1094 [ 37.232496][ T5169] arch_do_signal_or_restart+0x288/0x444c [ 37.232503][ T5169] exit_to_user_mode_loop+0x70/0x17c [ 37.232514][ T5169] el0_svc+0x12c/0x1d8 [ 37.232522][ T5169] el0t_64_sync_handler+0x44/0x104 [ 37.232529][ T5169] el0t_64_sync+0x198/0x19c [ 37.238610][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.238753][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.245320][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.253884][ T5197] EXT4-fs: can't change dax mount option while remounting [ 37.272632][ T5172] FAULT_INJECTION: forcing a failure. [ 37.272632][ T5172] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.272647][ T5172] CPU: 1 UID: 0 PID: 5172 Comm: syz.2.34 Not tainted syzkaller #0 PREEMPT [ 37.272657][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.272662][ T5172] Call trace: [ 37.272665][ T5172] show_stack+0x2c/0x3c (C) [ 37.272677][ T5172] __dump_stack+0x30/0x40 [ 37.272685][ T5172] dump_stack_lvl+0xd8/0x12c [ 37.272692][ T5172] dump_stack+0x1c/0x28 [ 37.272699][ T5172] should_fail_ex+0x418/0x58c [ 37.272709][ T5172] should_fail+0x14/0x24 [ 37.272717][ T5172] get_futex_key+0xd0c/0x12b0 [ 37.272727][ T5172] futex_wake+0x10c/0x594 [ 37.272734][ T5172] do_futex+0x2c4/0x378 [ 37.272744][ T5172] mm_exit_exec_release+0x190/0x27c [ 37.272753][ T5172] exit_mm+0x50/0x1f0 [ 37.272761][ T5172] do_exit+0x524/0x1a74 [ 37.272774][ T5172] do_group_exit+0x198/0x238 [ 37.272782][ T5172] get_signal+0xfb0/0x1094 [ 37.272790][ T5172] arch_do_signal_or_restart+0x288/0x444c [ 37.272798][ T5172] exit_to_user_mode_loop+0x70/0x17c [ 37.272809][ T5172] el0_svc+0x12c/0x1d8 [ 37.272816][ T5172] el0t_64_sync_handler+0x44/0x104 [ 37.272824][ T5172] el0t_64_sync+0x198/0x19c [ 37.287198][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.289327][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.293610][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.320890][ T5200] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.331697][ T5214] EXT4-fs: can't change dax mount option while remounting [ 37.336273][ T5200] FAULT_INJECTION: forcing a failure. [ 37.336273][ T5200] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.336286][ T5200] CPU: 0 UID: 0 PID: 5200 Comm: syz.1.35 Not tainted syzkaller #0 PREEMPT [ 37.336295][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.336300][ T5200] Call trace: [ 37.336303][ T5200] show_stack+0x2c/0x3c (C) [ 37.336316][ T5200] __dump_stack+0x30/0x40 [ 37.336325][ T5200] dump_stack_lvl+0xd8/0x12c [ 37.336332][ T5200] dump_stack+0x1c/0x28 [ 37.336339][ T5200] should_fail_ex+0x418/0x58c [ 37.336351][ T5200] should_fail+0x14/0x24 [ 37.336358][ T5200] get_futex_key+0x1ec/0x12b0 [ 37.336371][ T5200] futex_wake+0x10c/0x594 [ 37.336378][ T5200] do_futex+0x2c4/0x378 [ 37.336388][ T5200] __arm64_sys_futex+0x2e4/0x418 [ 37.336398][ T5200] invoke_syscall+0x98/0x244 [ 37.336406][ T5200] el0_svc_common+0xec/0x23c [ 37.336414][ T5200] do_el0_svc+0x4c/0x5c [ 37.336421][ T5200] el0_svc+0x60/0x1d8 [ 37.336429][ T5200] el0t_64_sync_handler+0x44/0x104 [ 37.336436][ T5200] el0t_64_sync+0x198/0x19c [ 37.343922][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.344122][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.371859][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.375081][ T5204] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.398481][ T5204] EXT4-fs: can't change dax mount option while remounting [ 37.407934][ T5204] FAULT_INJECTION: forcing a failure. [ 37.407934][ T5204] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.407950][ T5204] CPU: 1 UID: 0 PID: 5204 Comm: syz.2.36 Not tainted syzkaller #0 PREEMPT [ 37.407960][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.407964][ T5204] Call trace: [ 37.407967][ T5204] show_stack+0x2c/0x3c (C) [ 37.407981][ T5204] __dump_stack+0x30/0x40 [ 37.407989][ T5204] dump_stack_lvl+0xd8/0x12c [ 37.407996][ T5204] dump_stack+0x1c/0x28 [ 37.408003][ T5204] should_fail_ex+0x418/0x58c [ 37.408012][ T5204] should_fail+0x14/0x24 [ 37.408020][ T5204] get_futex_key+0xd0c/0x12b0 [ 37.408031][ T5204] futex_wake+0x10c/0x594 [ 37.408038][ T5204] do_futex+0x2c4/0x378 [ 37.408050][ T5204] mm_exit_exec_release+0x190/0x27c [ 37.408060][ T5204] exit_mm+0x50/0x1f0 [ 37.408067][ T5204] do_exit+0x524/0x1a74 [ 37.408075][ T5204] do_group_exit+0x198/0x238 [ 37.408083][ T5204] get_signal+0xfb0/0x1094 [ 37.408092][ T5204] arch_do_signal_or_restart+0x288/0x444c [ 37.408099][ T5204] exit_to_user_mode_loop+0x70/0x17c [ 37.408110][ T5204] el0_svc+0x12c/0x1d8 [ 37.408118][ T5204] el0t_64_sync_handler+0x44/0x104 [ 37.408125][ T5204] el0t_64_sync+0x198/0x19c [ 37.411643][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.411843][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.414916][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.432516][ T5221] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.463227][ T5234] EXT4-fs: can't change dax mount option while remounting [ 37.473039][ T5221] FAULT_INJECTION: forcing a failure. [ 37.473039][ T5221] name failslab, interval 1, probability 0, space 0, times 0 [ 37.473056][ T5221] CPU: 0 UID: 0 PID: 5221 Comm: syz.1.37 Not tainted syzkaller #0 PREEMPT [ 37.473065][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.473070][ T5221] Call trace: [ 37.473073][ T5221] show_stack+0x2c/0x3c (C) [ 37.473086][ T5221] __dump_stack+0x30/0x40 [ 37.473094][ T5221] dump_stack_lvl+0xd8/0x12c [ 37.473101][ T5221] dump_stack+0x1c/0x28 [ 37.473108][ T5221] should_fail_ex+0x418/0x58c [ 37.473117][ T5221] should_failslab+0xc4/0x120 [ 37.473126][ T5221] __kmalloc_node_track_caller_noprof+0x108/0x6e0 [ 37.473136][ T5221] kstrdup+0x50/0x104 [ 37.473145][ T5221] dm_hash_insert+0x7c/0x314 [ 37.473154][ T5221] dev_create+0x158/0x258 [ 37.473162][ T5221] dm_ctl_ioctl+0x884/0xbbc [ 37.473171][ T5221] __arm64_sys_ioctl+0x154/0x1cc [ 37.473179][ T5221] invoke_syscall+0x98/0x244 [ 37.473187][ T5221] el0_svc_common+0xec/0x23c [ 37.473194][ T5221] do_el0_svc+0x4c/0x5c [ 37.473201][ T5221] el0_svc+0x60/0x1d8 [ 37.473209][ T5221] el0t_64_sync_handler+0x44/0x104 [ 37.473216][ T5221] el0t_64_sync+0x198/0x19c [ 37.480383][ T5241] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.485468][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.485615][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.495687][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.519119][ T5257] EXT4-fs: can't change dax mount option while remounting [ 37.524918][ T5241] FAULT_INJECTION: forcing a failure. [ 37.524918][ T5241] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.524933][ T5241] CPU: 1 UID: 0 PID: 5241 Comm: syz.2.38 Not tainted syzkaller #0 PREEMPT [ 37.524943][ T5241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.524947][ T5241] Call trace: [ 37.524950][ T5241] show_stack+0x2c/0x3c (C) [ 37.524963][ T5241] __dump_stack+0x30/0x40 [ 37.524971][ T5241] dump_stack_lvl+0xd8/0x12c [ 37.524978][ T5241] dump_stack+0x1c/0x28 [ 37.524985][ T5241] should_fail_ex+0x418/0x58c [ 37.524994][ T5241] should_fail+0x14/0x24 [ 37.525002][ T5241] get_futex_key+0xd0c/0x12b0 [ 37.525013][ T5241] futex_wake+0x10c/0x594 [ 37.525019][ T5241] do_futex+0x2c4/0x378 [ 37.525029][ T5241] mm_exit_exec_release+0x190/0x27c [ 37.525038][ T5241] exit_mm+0x50/0x1f0 [ 37.525046][ T5241] do_exit+0x524/0x1a74 [ 37.525053][ T5241] do_group_exit+0x198/0x238 [ 37.525060][ T5241] get_signal+0xfb0/0x1094 [ 37.525069][ T5241] arch_do_signal_or_restart+0x288/0x444c [ 37.525077][ T5241] exit_to_user_mode_loop+0x70/0x17c [ 37.525087][ T5241] el0_svc+0x12c/0x1d8 [ 37.525095][ T5241] el0t_64_sync_handler+0x44/0x104 [ 37.525102][ T5241] el0t_64_sync+0x198/0x19c [ 37.533829][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.533986][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.552155][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.552607][ T5259] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.594668][ T5259] FAULT_INJECTION: forcing a failure. [ 37.594668][ T5259] name failslab, interval 1, probability 0, space 0, times 0 [ 37.594683][ T5259] CPU: 1 UID: 0 PID: 5259 Comm: syz.1.39 Not tainted syzkaller #0 PREEMPT [ 37.594693][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.594697][ T5259] Call trace: [ 37.594700][ T5259] show_stack+0x2c/0x3c (C) [ 37.594713][ T5259] __dump_stack+0x30/0x40 [ 37.594722][ T5259] dump_stack_lvl+0xd8/0x12c [ 37.594729][ T5259] dump_stack+0x1c/0x28 [ 37.594736][ T5259] should_fail_ex+0x418/0x58c [ 37.594745][ T5259] should_failslab+0xc4/0x120 [ 37.594754][ T5259] kmem_cache_alloc_noprof+0x94/0x5d4 [ 37.594763][ T5259] do_getname+0x48/0x234 [ 37.594780][ T5259] user_path_at+0x38/0x78 [ 37.594790][ T5259] do_mount+0xb0/0x148 [ 37.594797][ T5259] __arm64_sys_mount+0x33c/0x388 [ 37.594805][ T5259] invoke_syscall+0x98/0x244 [ 37.594813][ T5259] el0_svc_common+0xec/0x23c [ 37.594820][ T5259] do_el0_svc+0x4c/0x5c [ 37.594827][ T5259] el0_svc+0x60/0x1d8 [ 37.594835][ T5259] el0t_64_sync_handler+0x44/0x104 [ 37.594842][ T5259] el0t_64_sync+0x198/0x19c [ 37.601889][ T5264] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.633120][ T5282] EXT4-fs: can't change dax mount option while remounting [ 37.638964][ T5264] FAULT_INJECTION: forcing a failure. [ 37.638964][ T5264] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.638979][ T5264] CPU: 0 UID: 0 PID: 5264 Comm: syz.2.40 Not tainted syzkaller #0 PREEMPT [ 37.638988][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.638993][ T5264] Call trace: [ 37.638995][ T5264] show_stack+0x2c/0x3c (C) [ 37.639007][ T5264] __dump_stack+0x30/0x40 [ 37.639015][ T5264] dump_stack_lvl+0xd8/0x12c [ 37.639022][ T5264] dump_stack+0x1c/0x28 [ 37.639029][ T5264] should_fail_ex+0x418/0x58c [ 37.639039][ T5264] should_fail+0x14/0x24 [ 37.639046][ T5264] get_futex_key+0x1ec/0x12b0 [ 37.639057][ T5264] futex_wake+0x10c/0x594 [ 37.639064][ T5264] do_futex+0x2c4/0x378 [ 37.639074][ T5264] mm_exit_exec_release+0x190/0x27c [ 37.639083][ T5264] exit_mm+0x50/0x1f0 [ 37.639091][ T5264] do_exit+0x524/0x1a74 [ 37.639098][ T5264] do_group_exit+0x198/0x238 [ 37.639106][ T5264] get_signal+0xfb0/0x1094 [ 37.639114][ T5264] arch_do_signal_or_restart+0x288/0x444c [ 37.639122][ T5264] exit_to_user_mode_loop+0x70/0x17c [ 37.639132][ T5264] el0_svc+0x12c/0x1d8 [ 37.639140][ T5264] el0t_64_sync_handler+0x44/0x104 [ 37.639147][ T5264] el0t_64_sync+0x198/0x19c [ 37.642373][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.642529][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.644141][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.644331][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.649209][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.655032][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.718061][ T5289] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.719175][ T5291] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.747408][ T5291] EXT4-fs: can't change dax mount option while remounting [ 37.749330][ T5289] FAULT_INJECTION: forcing a failure. [ 37.749330][ T5289] name failslab, interval 1, probability 0, space 0, times 0 [ 37.749345][ T5289] CPU: 1 UID: 0 PID: 5289 Comm: syz.2.41 Not tainted syzkaller #0 PREEMPT [ 37.749355][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.749359][ T5289] Call trace: [ 37.749362][ T5289] show_stack+0x2c/0x3c (C) [ 37.749375][ T5289] __dump_stack+0x30/0x40 [ 37.749384][ T5289] dump_stack_lvl+0xd8/0x12c [ 37.749395][ T5289] dump_stack+0x1c/0x28 [ 37.749403][ T5289] should_fail_ex+0x418/0x58c [ 37.749413][ T5289] should_failslab+0xc4/0x120 [ 37.749423][ T5289] kmem_cache_alloc_noprof+0x94/0x5d4 [ 37.749434][ T5289] do_getname+0x48/0x234 [ 37.749443][ T5289] user_path_at+0x38/0x78 [ 37.749453][ T5289] do_mount+0xb0/0x148 [ 37.749460][ T5289] __arm64_sys_mount+0x33c/0x388 [ 37.749467][ T5289] invoke_syscall+0x98/0x244 [ 37.749475][ T5289] el0_svc_common+0xec/0x23c [ 37.749482][ T5289] do_el0_svc+0x4c/0x5c [ 37.749490][ T5289] el0_svc+0x60/0x1d8 [ 37.749498][ T5289] el0t_64_sync_handler+0x44/0x104 [ 37.749505][ T5289] el0t_64_sync+0x198/0x19c [ 37.762237][ T5291] FAULT_INJECTION: forcing a failure. [ 37.762237][ T5291] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.762251][ T5291] CPU: 1 UID: 0 PID: 5291 Comm: syz.1.42 Not tainted syzkaller #0 PREEMPT [ 37.762260][ T5291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.762265][ T5291] Call trace: [ 37.762267][ T5291] show_stack+0x2c/0x3c (C) [ 37.762278][ T5291] __dump_stack+0x30/0x40 [ 37.762285][ T5291] dump_stack_lvl+0xd8/0x12c [ 37.762293][ T5291] dump_stack+0x1c/0x28 [ 37.762300][ T5291] should_fail_ex+0x418/0x58c [ 37.762308][ T5291] should_fail+0x14/0x24 [ 37.762316][ T5291] get_futex_key+0x1ec/0x12b0 [ 37.762327][ T5291] futex_wake+0x10c/0x594 [ 37.762333][ T5291] do_futex+0x2c4/0x378 [ 37.762343][ T5291] mm_exit_exec_release+0x190/0x27c [ 37.762352][ T5291] exit_mm+0x50/0x1f0 [ 37.762359][ T5291] do_exit+0x524/0x1a74 [ 37.762367][ T5291] do_group_exit+0x198/0x238 [ 37.762374][ T5291] get_signal+0xfb0/0x1094 [ 37.762383][ T5291] arch_do_signal_or_restart+0x288/0x444c [ 37.762391][ T5291] exit_to_user_mode_loop+0x70/0x17c [ 37.762401][ T5291] el0_svc+0x12c/0x1d8 [ 37.762408][ T5291] el0t_64_sync_handler+0x44/0x104 [ 37.762415][ T5291] el0t_64_sync+0x198/0x19c [ 37.772027][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.772556][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.780569][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.780734][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.781797][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.794055][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.835342][ T5319] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.851533][ T5333] EXT4-fs: can't change dax mount option while remounting [ 37.861821][ T5319] FAULT_INJECTION: forcing a failure. [ 37.861821][ T5319] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.861838][ T5319] CPU: 1 UID: 0 PID: 5319 Comm: syz.2.43 Not tainted syzkaller #0 PREEMPT [ 37.861848][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.861852][ T5319] Call trace: [ 37.861856][ T5319] show_stack+0x2c/0x3c (C) [ 37.861870][ T5319] __dump_stack+0x30/0x40 [ 37.861879][ T5319] dump_stack_lvl+0xd8/0x12c [ 37.861886][ T5319] dump_stack+0x1c/0x28 [ 37.861893][ T5319] should_fail_ex+0x418/0x58c [ 37.861903][ T5319] should_fail+0x14/0x24 [ 37.861910][ T5319] get_futex_key+0xd0c/0x12b0 [ 37.861921][ T5319] futex_wake+0x10c/0x594 [ 37.861928][ T5319] do_futex+0x2c4/0x378 [ 37.861937][ T5319] mm_exit_exec_release+0x190/0x27c [ 37.861946][ T5319] exit_mm+0x50/0x1f0 [ 37.861954][ T5319] do_exit+0x524/0x1a74 [ 37.861961][ T5319] do_group_exit+0x198/0x238 [ 37.861969][ T5319] get_signal+0xfb0/0x1094 [ 37.861977][ T5319] arch_do_signal_or_restart+0x288/0x444c [ 37.861985][ T5319] exit_to_user_mode_loop+0x70/0x17c [ 37.861995][ T5319] el0_svc+0x12c/0x1d8 [ 37.862003][ T5319] el0t_64_sync_handler+0x44/0x104 [ 37.862010][ T5319] el0t_64_sync+0x198/0x19c [ 37.872066][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.872376][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 37.891310][ T5324] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.904586][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.921796][ T5344] EXT4-fs: can't change dax mount option while remounting [ 37.929042][ T5324] FAULT_INJECTION: forcing a failure. [ 37.929042][ T5324] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.929057][ T5324] CPU: 1 UID: 0 PID: 5324 Comm: syz.1.44 Not tainted syzkaller #0 PREEMPT [ 37.929067][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.929071][ T5324] Call trace: [ 37.929074][ T5324] show_stack+0x2c/0x3c (C) [ 37.929085][ T5324] __dump_stack+0x30/0x40 [ 37.929093][ T5324] dump_stack_lvl+0xd8/0x12c [ 37.929100][ T5324] dump_stack+0x1c/0x28 [ 37.929107][ T5324] should_fail_ex+0x418/0x58c [ 37.929116][ T5324] should_fail+0x14/0x24 [ 37.929124][ T5324] get_futex_key+0xd0c/0x12b0 [ 37.929135][ T5324] futex_wake+0x10c/0x594 [ 37.929141][ T5324] do_futex+0x2c4/0x378 [ 37.929151][ T5324] mm_exit_exec_release+0x190/0x27c [ 37.929160][ T5324] exit_mm+0x50/0x1f0 [ 37.929167][ T5324] do_exit+0x524/0x1a74 [ 37.929174][ T5324] do_group_exit+0x198/0x238 [ 37.929182][ T5324] get_signal+0xfb0/0x1094 [ 37.929190][ T5324] arch_do_signal_or_restart+0x288/0x444c [ 37.929198][ T5324] exit_to_user_mode_loop+0x70/0x17c [ 37.929208][ T5324] el0_svc+0x12c/0x1d8 [ 37.929216][ T5324] el0t_64_sync_handler+0x44/0x104 [ 37.929223][ T5324] el0t_64_sync+0x198/0x19c [ 37.935190][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.935628][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 37.940810][ T5346] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 37.962970][ T5346] EXT4-fs: can't change dax mount option while remounting [ 37.964480][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 37.982633][ T5346] FAULT_INJECTION: forcing a failure. [ 37.982633][ T5346] name fail_futex, interval 1, probability 0, space 0, times 0 [ 37.982647][ T5346] CPU: 1 UID: 0 PID: 5346 Comm: syz.2.45 Not tainted syzkaller #0 PREEMPT [ 37.982656][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 37.982661][ T5346] Call trace: [ 37.982663][ T5346] show_stack+0x2c/0x3c (C) [ 37.982674][ T5346] __dump_stack+0x30/0x40 [ 37.982681][ T5346] dump_stack_lvl+0xd8/0x12c [ 37.982688][ T5346] dump_stack+0x1c/0x28 [ 37.982695][ T5346] should_fail_ex+0x418/0x58c [ 37.982704][ T5346] should_fail+0x14/0x24 [ 37.982712][ T5346] get_futex_key+0xd0c/0x12b0 [ 37.982722][ T5346] futex_wake+0x10c/0x594 [ 37.982732][ T5346] do_futex+0x2c4/0x378 [ 37.982742][ T5346] mm_exit_exec_release+0x190/0x27c [ 37.982751][ T5346] exit_mm+0x50/0x1f0 [ 37.982759][ T5346] do_exit+0x524/0x1a74 [ 37.982773][ T5346] do_group_exit+0x198/0x238 [ 37.982781][ T5346] get_signal+0xfb0/0x1094 [ 37.982789][ T5346] arch_do_signal_or_restart+0x288/0x444c [ 37.982797][ T5346] exit_to_user_mode_loop+0x70/0x17c [ 37.982808][ T5346] el0_svc+0x12c/0x1d8 [ 37.982815][ T5346] el0t_64_sync_handler+0x44/0x104 [ 37.982822][ T5346] el0t_64_sync+0x198/0x19c [ 37.992754][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 37.996314][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.019571][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.030998][ T5364] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.053164][ T5379] EXT4-fs: can't change dax mount option while remounting [ 38.062959][ T5364] FAULT_INJECTION: forcing a failure. [ 38.062959][ T5364] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.062974][ T5364] CPU: 1 UID: 0 PID: 5364 Comm: syz.1.46 Not tainted syzkaller #0 PREEMPT [ 38.062984][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.062988][ T5364] Call trace: [ 38.062991][ T5364] show_stack+0x2c/0x3c (C) [ 38.063003][ T5364] __dump_stack+0x30/0x40 [ 38.063012][ T5364] dump_stack_lvl+0xd8/0x12c [ 38.063019][ T5364] dump_stack+0x1c/0x28 [ 38.063026][ T5364] should_fail_ex+0x418/0x58c [ 38.063036][ T5364] should_fail+0x14/0x24 [ 38.063044][ T5364] get_futex_key+0xd0c/0x12b0 [ 38.063054][ T5364] futex_wake+0x10c/0x594 [ 38.063061][ T5364] do_futex+0x2c4/0x378 [ 38.063070][ T5364] mm_exit_exec_release+0x190/0x27c [ 38.063079][ T5364] exit_mm+0x50/0x1f0 [ 38.063087][ T5364] do_exit+0x524/0x1a74 [ 38.063094][ T5364] do_group_exit+0x198/0x238 [ 38.063102][ T5364] get_signal+0xfb0/0x1094 [ 38.063110][ T5364] arch_do_signal_or_restart+0x288/0x444c [ 38.063118][ T5364] exit_to_user_mode_loop+0x70/0x17c [ 38.063128][ T5364] el0_svc+0x12c/0x1d8 [ 38.063136][ T5364] el0t_64_sync_handler+0x44/0x104 [ 38.063143][ T5364] el0t_64_sync+0x198/0x19c [ 38.071521][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.071714][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.074015][ T5369] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.081351][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.114491][ T5394] EXT4-fs: can't change dax mount option while remounting [ 38.124843][ T5369] FAULT_INJECTION: forcing a failure. [ 38.124843][ T5369] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.124865][ T5369] CPU: 1 UID: 0 PID: 5369 Comm: syz.2.47 Not tainted syzkaller #0 PREEMPT [ 38.124875][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.124880][ T5369] Call trace: [ 38.124883][ T5369] show_stack+0x2c/0x3c (C) [ 38.124896][ T5369] __dump_stack+0x30/0x40 [ 38.124904][ T5369] dump_stack_lvl+0xd8/0x12c [ 38.124911][ T5369] dump_stack+0x1c/0x28 [ 38.124918][ T5369] should_fail_ex+0x418/0x58c [ 38.124928][ T5369] should_fail+0x14/0x24 [ 38.124936][ T5369] get_futex_key+0xd0c/0x12b0 [ 38.124946][ T5369] futex_wake+0x10c/0x594 [ 38.124953][ T5369] do_futex+0x2c4/0x378 [ 38.124963][ T5369] mm_exit_exec_release+0x190/0x27c [ 38.124972][ T5369] exit_mm+0x50/0x1f0 [ 38.124979][ T5369] do_exit+0x524/0x1a74 [ 38.124987][ T5369] do_group_exit+0x198/0x238 [ 38.124994][ T5369] get_signal+0xfb0/0x1094 [ 38.125003][ T5369] arch_do_signal_or_restart+0x288/0x444c [ 38.125010][ T5369] exit_to_user_mode_loop+0x70/0x17c [ 38.125021][ T5369] el0_svc+0x12c/0x1d8 [ 38.125029][ T5369] el0t_64_sync_handler+0x44/0x104 [ 38.125036][ T5369] el0t_64_sync+0x198/0x19c [ 38.144210][ T5385] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.148811][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.149273][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.162092][ T5401] EXT4-fs: can't change dax mount option while remounting [ 38.162163][ T5385] FAULT_INJECTION: forcing a failure. [ 38.162163][ T5385] name failslab, interval 1, probability 0, space 0, times 0 [ 38.162178][ T5385] CPU: 1 UID: 0 PID: 5385 Comm: syz.1.48 Not tainted syzkaller #0 PREEMPT [ 38.162190][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.162195][ T5385] Call trace: [ 38.162198][ T5385] show_stack+0x2c/0x3c (C) [ 38.162208][ T5385] __dump_stack+0x30/0x40 [ 38.162216][ T5385] dump_stack_lvl+0xd8/0x12c [ 38.162223][ T5385] dump_stack+0x1c/0x28 [ 38.162230][ T5385] should_fail_ex+0x418/0x58c [ 38.162239][ T5385] should_failslab+0xc4/0x120 [ 38.162248][ T5385] __kmalloc_node_track_caller_noprof+0x108/0x6e0 [ 38.162257][ T5385] kstrdup+0x50/0x104 [ 38.162266][ T5385] dm_hash_insert+0x7c/0x314 [ 38.162276][ T5385] dev_create+0x158/0x258 [ 38.162284][ T5385] dm_ctl_ioctl+0x884/0xbbc [ 38.162293][ T5385] __arm64_sys_ioctl+0x154/0x1cc [ 38.162301][ T5385] invoke_syscall+0x98/0x244 [ 38.162309][ T5385] el0_svc_common+0xec/0x23c [ 38.162316][ T5385] do_el0_svc+0x4c/0x5c [ 38.162323][ T5385] el0_svc+0x60/0x1d8 [ 38.162330][ T5385] el0t_64_sync_handler+0x44/0x104 [ 38.162337][ T5385] el0t_64_sync+0x198/0x19c [ 38.164018][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.191609][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.191804][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.195012][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.223004][ T5407] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.239475][ T5411] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.258598][ T5413] EXT4-fs: can't change dax mount option while remounting [ 38.259119][ T5407] FAULT_INJECTION: forcing a failure. [ 38.259119][ T5407] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.259138][ T5407] CPU: 0 UID: 0 PID: 5407 Comm: syz.2.49 Not tainted syzkaller #0 PREEMPT [ 38.259148][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.259154][ T5407] Call trace: [ 38.259157][ T5407] show_stack+0x2c/0x3c (C) [ 38.259172][ T5407] __dump_stack+0x30/0x40 [ 38.259181][ T5407] dump_stack_lvl+0xd8/0x12c [ 38.259189][ T5407] dump_stack+0x1c/0x28 [ 38.259196][ T5407] should_fail_ex+0x418/0x58c [ 38.259205][ T5407] should_fail+0x14/0x24 [ 38.259213][ T5407] get_futex_key+0x1ec/0x12b0 [ 38.259225][ T5407] futex_wake+0x10c/0x594 [ 38.259231][ T5407] do_futex+0x2c4/0x378 [ 38.259241][ T5407] __arm64_sys_futex+0x2e4/0x418 [ 38.259251][ T5407] invoke_syscall+0x98/0x244 [ 38.259259][ T5407] el0_svc_common+0xec/0x23c [ 38.259266][ T5407] do_el0_svc+0x4c/0x5c [ 38.259273][ T5407] el0_svc+0x60/0x1d8 [ 38.259281][ T5407] el0t_64_sync_handler+0x44/0x104 [ 38.259288][ T5407] el0t_64_sync+0x198/0x19c [ 38.263261][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.263456][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.267249][ T4863] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.295629][ T5431] EXT4-fs: can't change dax mount option while remounting [ 38.301560][ T5411] FAULT_INJECTION: forcing a failure. [ 38.301560][ T5411] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.301575][ T5411] CPU: 1 UID: 0 PID: 5411 Comm: syz.1.50 Not tainted syzkaller #0 PREEMPT [ 38.301585][ T5411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.301589][ T5411] Call trace: [ 38.301592][ T5411] show_stack+0x2c/0x3c (C) [ 38.301605][ T5411] __dump_stack+0x30/0x40 [ 38.301613][ T5411] dump_stack_lvl+0xd8/0x12c [ 38.301620][ T5411] dump_stack+0x1c/0x28 [ 38.301627][ T5411] should_fail_ex+0x418/0x58c [ 38.301636][ T5411] should_fail+0x14/0x24 [ 38.301644][ T5411] get_futex_key+0xd0c/0x12b0 [ 38.301654][ T5411] futex_wake+0x10c/0x594 [ 38.301661][ T5411] do_futex+0x2c4/0x378 [ 38.301671][ T5411] mm_exit_exec_release+0x190/0x27c [ 38.301680][ T5411] exit_mm+0x50/0x1f0 [ 38.301687][ T5411] do_exit+0x524/0x1a74 [ 38.301694][ T5411] do_group_exit+0x198/0x238 [ 38.301702][ T5411] get_signal+0xfb0/0x1094 [ 38.301711][ T5411] arch_do_signal_or_restart+0x288/0x444c [ 38.301718][ T5411] exit_to_user_mode_loop+0x70/0x17c [ 38.301729][ T5411] el0_svc+0x12c/0x1d8 [ 38.301737][ T5411] el0t_64_sync_handler+0x44/0x104 [ 38.301744][ T5411] el0t_64_sync+0x198/0x19c [ 38.312686][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.312866][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.340478][ T4856] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 38.378313][ T5436] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.379793][ T5434] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 38.408461][ T5436] FAULT_INJECTION: forcing a failure. [ 38.408461][ T5436] name failslab, interval 1, probability 0, space 0, times 0 [ 38.408476][ T5436] CPU: 1 UID: 0 PID: 5436 Comm: syz.1.52 Not tainted syzkaller #0 PREEMPT [ 38.408485][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.408490][ T5436] Call trace: [ 38.408493][ T5436] show_stack+0x2c/0x3c (C) [ 38.408507][ T5436] __dump_stack+0x30/0x40 [ 38.408516][ T5436] dump_stack_lvl+0xd8/0x12c [ 38.408523][ T5436] dump_stack+0x1c/0x28 [ 38.408530][ T5436] should_fail_ex+0x418/0x58c [ 38.408540][ T5436] should_failslab+0xc4/0x120 [ 38.408548][ T5436] __kmalloc_cache_noprof+0x94/0x5fc [ 38.408558][ T5436] __arm64_sys_timerfd_create+0x150/0x34c [ 38.408568][ T5436] invoke_syscall+0x98/0x244 [ 38.408576][ T5436] el0_svc_common+0xec/0x23c [ 38.408583][ T5436] do_el0_svc+0x4c/0x5c [ 38.408590][ T5436] el0_svc+0x60/0x1d8 [ 38.408598][ T5436] el0t_64_sync_handler+0x44/0x104 [ 38.408605][ T5436] el0t_64_sync+0x198/0x19c [ 38.408728][ T5436] EXT4-fs: can't change dax mount option while remounting [ 38.419145][ T5458] EXT4-fs: can't change dax mount option while remounting [ 38.419183][ T5434] FAULT_INJECTION: forcing a failure. [ 38.419183][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 38.419193][ T5434] CPU: 1 UID: 0 PID: 5434 Comm: syz.2.51 Not tainted syzkaller #0 PREEMPT [ 38.419202][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.419206][ T5434] Call trace: [ 38.419208][ T5434] show_stack+0x2c/0x3c (C) [ 38.419219][ T5434] __dump_stack+0x30/0x40 [ 38.419226][ T5434] dump_stack_lvl+0xd8/0x12c [ 38.419233][ T5434] dump_stack+0x1c/0x28 [ 38.419240][ T5434] should_fail_ex+0x418/0x58c [ 38.419249][ T5434] should_failslab+0xc4/0x120 [ 38.419257][ T5434] kmem_cache_alloc_noprof+0x94/0x5d4 [ 38.419266][ T5434] alloc_empty_file+0x6c/0x1cc [ 38.419275][ T5434] path_openat+0x78/0x18f0 [ 38.419285][ T5434] do_file_open+0x1c8/0x2e8 [ 38.419294][ T5434] do_sys_openat2+0x114/0x1e8 [ 38.419302][ T5434] do_sys_open+0xb0/0xe0 [ 38.419309][ T5434] __arm64_sys_openat+0xa8/0xc4 [ 38.419316][ T5434] invoke_syscall+0x98/0x244 [ 38.419324][ T5434] el0_svc_common+0xec/0x23c [ 38.419331][ T5434] do_el0_svc+0x4c/0x5c [ 38.419338][ T5434] el0_svc+0x60/0x1d8 [ 38.419345][ T5434] el0t_64_sync_handler+0x44/0x104 [ 38.419352][ T5434] el0t_64_sync+0x198/0x19c [ 38.425078][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.425482][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.435777][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.435937][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.540737][ T49] bridge_slave_1: left allmulticast mode [ 38.540762][ T49] bridge_slave_1: left promiscuous mode [ 38.541124][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.554199][ T49] bridge_slave_0: left allmulticast mode [ 38.554213][ T49] bridge_slave_0: left promiscuous mode [ 38.554280][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.554737][ T5462] FAULT_INJECTION: forcing a failure. [ 38.554737][ T5462] name failslab, interval 1, probability 0, space 0, times 0 [ 38.554753][ T5462] CPU: 1 UID: 0 PID: 5462 Comm: syz.2.54 Not tainted syzkaller #0 PREEMPT [ 38.554774][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.554779][ T5462] Call trace: [ 38.554783][ T5462] show_stack+0x2c/0x3c (C) [ 38.554798][ T5462] __dump_stack+0x30/0x40 [ 38.554808][ T5462] dump_stack_lvl+0xd8/0x12c [ 38.554816][ T5462] dump_stack+0x1c/0x28 [ 38.554823][ T5462] should_fail_ex+0x418/0x58c [ 38.554834][ T5462] should_failslab+0xc4/0x120 [ 38.554844][ T5462] kmem_cache_alloc_noprof+0x94/0x5d4 [ 38.554854][ T5462] do_getname+0x48/0x234 [ 38.554864][ T5462] user_path_at+0x38/0x78 [ 38.554873][ T5462] do_mount+0xb0/0x148 [ 38.554881][ T5462] __arm64_sys_mount+0x33c/0x388 [ 38.554888][ T5462] invoke_syscall+0x98/0x244 [ 38.554896][ T5462] el0_svc_common+0xec/0x23c [ 38.554903][ T5462] do_el0_svc+0x4c/0x5c [ 38.554911][ T5462] el0_svc+0x60/0x1d8 [ 38.554919][ T5462] el0t_64_sync_handler+0x44/0x104 [ 38.554926][ T5462] el0t_64_sync+0x198/0x19c [ 38.590524][ T5488] EXT4-fs: can't change dax mount option while remounting [ 38.595598][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.595902][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.604288][ T5460] FAULT_INJECTION: forcing a failure. [ 38.604288][ T5460] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.604302][ T5460] CPU: 1 UID: 0 PID: 5460 Comm: syz.1.53 Not tainted syzkaller #0 PREEMPT [ 38.604312][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.604316][ T5460] Call trace: [ 38.604319][ T5460] show_stack+0x2c/0x3c (C) [ 38.604330][ T5460] __dump_stack+0x30/0x40 [ 38.604338][ T5460] dump_stack_lvl+0xd8/0x12c [ 38.604345][ T5460] dump_stack+0x1c/0x28 [ 38.604352][ T5460] should_fail_ex+0x418/0x58c [ 38.604361][ T5460] should_fail+0x14/0x24 [ 38.604368][ T5460] get_futex_key+0xd0c/0x12b0 [ 38.604379][ T5460] futex_wake+0x10c/0x594 [ 38.604386][ T5460] do_futex+0x2c4/0x378 [ 38.604395][ T5460] mm_exit_exec_release+0x190/0x27c [ 38.604405][ T5460] exit_mm+0x50/0x1f0 [ 38.604412][ T5460] do_exit+0x524/0x1a74 [ 38.604420][ T5460] do_group_exit+0x198/0x238 [ 38.604427][ T5460] get_signal+0xfb0/0x1094 [ 38.604436][ T5460] arch_do_signal_or_restart+0x288/0x444c [ 38.604444][ T5460] exit_to_user_mode_loop+0x70/0x17c [ 38.604454][ T5460] el0_svc+0x12c/0x1d8 [ 38.604461][ T5460] el0t_64_sync_handler+0x44/0x104 [ 38.604468][ T5460] el0t_64_sync+0x198/0x19c [ 38.613392][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.613549][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.731217][ T5512] EXT4-fs: can't change dax mount option while remounting [ 38.740050][ T5491] FAULT_INJECTION: forcing a failure. [ 38.740050][ T5491] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.740068][ T5491] CPU: 0 UID: 0 PID: 5491 Comm: syz.1.56 Not tainted syzkaller #0 PREEMPT [ 38.740077][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.740082][ T5491] Call trace: [ 38.740085][ T5491] show_stack+0x2c/0x3c (C) [ 38.740100][ T5491] __dump_stack+0x30/0x40 [ 38.740108][ T5491] dump_stack_lvl+0xd8/0x12c [ 38.740116][ T5491] dump_stack+0x1c/0x28 [ 38.740123][ T5491] should_fail_ex+0x418/0x58c [ 38.740132][ T5491] should_fail+0x14/0x24 [ 38.740140][ T5491] get_futex_key+0x718/0x12b0 [ 38.740151][ T5491] futex_wake+0x10c/0x594 [ 38.740158][ T5491] do_futex+0x2c4/0x378 [ 38.740167][ T5491] mm_exit_exec_release+0x190/0x27c [ 38.740177][ T5491] exit_mm+0x50/0x1f0 [ 38.740184][ T5491] do_exit+0x524/0x1a74 [ 38.740192][ T5491] do_group_exit+0x198/0x238 [ 38.740199][ T5491] get_signal+0xfb0/0x1094 [ 38.740208][ T5491] arch_do_signal_or_restart+0x288/0x444c [ 38.740216][ T5491] exit_to_user_mode_loop+0x70/0x17c [ 38.740226][ T5491] el0_svc+0x12c/0x1d8 [ 38.740234][ T5491] el0t_64_sync_handler+0x44/0x104 [ 38.740241][ T5491] el0t_64_sync+0x198/0x19c [ 38.742380][ T5518] EXT4-fs: can't change dax mount option while remounting [ 38.748600][ T5493] FAULT_INJECTION: forcing a failure. [ 38.748600][ T5493] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.748614][ T5493] CPU: 1 UID: 0 PID: 5493 Comm: syz.2.55 Not tainted syzkaller #0 PREEMPT [ 38.748623][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.748628][ T5493] Call trace: [ 38.748630][ T5493] show_stack+0x2c/0x3c (C) [ 38.748641][ T5493] __dump_stack+0x30/0x40 [ 38.748648][ T5493] dump_stack_lvl+0xd8/0x12c [ 38.748656][ T5493] dump_stack+0x1c/0x28 [ 38.748663][ T5493] should_fail_ex+0x418/0x58c [ 38.748671][ T5493] should_fail+0x14/0x24 [ 38.748679][ T5493] get_futex_key+0xd0c/0x12b0 [ 38.748689][ T5493] futex_wake+0x10c/0x594 [ 38.748696][ T5493] do_futex+0x2c4/0x378 [ 38.748706][ T5493] mm_exit_exec_release+0x190/0x27c [ 38.748715][ T5493] exit_mm+0x50/0x1f0 [ 38.748722][ T5493] do_exit+0x524/0x1a74 [ 38.748729][ T5493] do_group_exit+0x198/0x238 [ 38.748737][ T5493] get_signal+0xfb0/0x1094 [ 38.748745][ T5493] arch_do_signal_or_restart+0x288/0x444c [ 38.748753][ T5493] exit_to_user_mode_loop+0x70/0x17c [ 38.748763][ T5493] el0_svc+0x12c/0x1d8 [ 38.748776][ T5493] el0t_64_sync_handler+0x44/0x104 [ 38.748784][ T5493] el0t_64_sync+0x198/0x19c [ 38.752087][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.752252][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.758835][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.760254][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 38.765460][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 38.811557][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 38.837496][ T49] bond0 (unregistering): Released all slaves [ 38.905161][ T5546] EXT4-fs: can't change dax mount option while remounting [ 38.916556][ T5524] FAULT_INJECTION: forcing a failure. [ 38.916556][ T5524] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.916573][ T5524] CPU: 1 UID: 0 PID: 5524 Comm: syz.2.57 Not tainted syzkaller #0 PREEMPT [ 38.916582][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.916587][ T5524] Call trace: [ 38.916590][ T5524] show_stack+0x2c/0x3c (C) [ 38.916605][ T5524] __dump_stack+0x30/0x40 [ 38.916613][ T5524] dump_stack_lvl+0xd8/0x12c [ 38.916621][ T5524] dump_stack+0x1c/0x28 [ 38.916628][ T5524] should_fail_ex+0x418/0x58c [ 38.916637][ T5524] should_fail+0x14/0x24 [ 38.916645][ T5524] get_futex_key+0xd0c/0x12b0 [ 38.916656][ T5524] futex_wake+0x10c/0x594 [ 38.916663][ T5524] do_futex+0x2c4/0x378 [ 38.916672][ T5524] mm_exit_exec_release+0x190/0x27c [ 38.916682][ T5524] exit_mm+0x50/0x1f0 [ 38.916689][ T5524] do_exit+0x524/0x1a74 [ 38.916696][ T5524] do_group_exit+0x198/0x238 [ 38.916704][ T5524] get_signal+0xfb0/0x1094 [ 38.916713][ T5524] arch_do_signal_or_restart+0x288/0x444c [ 38.916720][ T5524] exit_to_user_mode_loop+0x70/0x17c [ 38.916731][ T5524] el0_svc+0x12c/0x1d8 [ 38.916739][ T5524] el0t_64_sync_handler+0x44/0x104 [ 38.916746][ T5524] el0t_64_sync+0x198/0x19c [ 38.960025][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 38.963234][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 38.963622][ T5554] EXT4-fs: can't change dax mount option while remounting [ 38.966297][ T5526] FAULT_INJECTION: forcing a failure. [ 38.966297][ T5526] name fail_futex, interval 1, probability 0, space 0, times 0 [ 38.966312][ T5526] CPU: 0 UID: 0 PID: 5526 Comm: syz.1.58 Not tainted syzkaller #0 PREEMPT [ 38.966321][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 38.966326][ T5526] Call trace: [ 38.966328][ T5526] show_stack+0x2c/0x3c (C) [ 38.966341][ T5526] __dump_stack+0x30/0x40 [ 38.966349][ T5526] dump_stack_lvl+0xd8/0x12c [ 38.966356][ T5526] dump_stack+0x1c/0x28 [ 38.966363][ T5526] should_fail_ex+0x418/0x58c [ 38.966373][ T5526] should_fail+0x14/0x24 [ 38.966381][ T5526] get_futex_key+0xd0c/0x12b0 [ 38.966391][ T5526] futex_wake+0x10c/0x594 [ 38.966398][ T5526] do_futex+0x2c4/0x378 [ 38.966408][ T5526] mm_exit_exec_release+0x190/0x27c [ 38.966417][ T5526] exit_mm+0x50/0x1f0 [ 38.966424][ T5526] do_exit+0x524/0x1a74 [ 38.966432][ T5526] do_group_exit+0x198/0x238 [ 38.966439][ T5526] get_signal+0xfb0/0x1094 [ 38.966448][ T5526] arch_do_signal_or_restart+0x288/0x444c [ 38.966455][ T5526] exit_to_user_mode_loop+0x70/0x17c [ 38.966466][ T5526] el0_svc+0x12c/0x1d8 [ 38.966474][ T5526] el0t_64_sync_handler+0x44/0x104 [ 38.966481][ T5526] el0t_64_sync+0x198/0x19c [ 38.977085][ T4864] Bluetooth: hci0: command tx timeout [ 38.977104][ T4864] Bluetooth: hci1: command tx timeout [ 39.011558][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.011742][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 39.056476][ T4860] Bluetooth: hci2: command tx timeout [ 39.056488][ T4864] Bluetooth: hci4: command tx timeout [ 39.136427][ T4864] Bluetooth: hci3: command tx timeout [ 39.168056][ T5584] EXT4-fs: can't change dax mount option while remounting [ 39.188942][ T5569] FAULT_INJECTION: forcing a failure. [ 39.188942][ T5569] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.188958][ T5569] CPU: 1 UID: 0 PID: 5569 Comm: syz.1.60 Not tainted syzkaller #0 PREEMPT [ 39.188968][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.188973][ T5569] Call trace: [ 39.188976][ T5569] show_stack+0x2c/0x3c (C) [ 39.188990][ T5569] __dump_stack+0x30/0x40 [ 39.188998][ T5569] dump_stack_lvl+0xd8/0x12c [ 39.189005][ T5569] dump_stack+0x1c/0x28 [ 39.189012][ T5569] should_fail_ex+0x418/0x58c [ 39.189022][ T5569] should_fail+0x14/0x24 [ 39.189030][ T5569] get_futex_key+0x1ec/0x12b0 [ 39.189040][ T5569] futex_wake+0x10c/0x594 [ 39.189047][ T5569] do_futex+0x2c4/0x378 [ 39.189057][ T5569] mm_exit_exec_release+0x190/0x27c [ 39.189066][ T5569] exit_mm+0x50/0x1f0 [ 39.189074][ T5569] do_exit+0x524/0x1a74 [ 39.189081][ T5569] do_group_exit+0x198/0x238 [ 39.189089][ T5569] get_signal+0xfb0/0x1094 [ 39.189097][ T5569] arch_do_signal_or_restart+0x288/0x444c [ 39.189105][ T5569] exit_to_user_mode_loop+0x70/0x17c [ 39.189116][ T5569] el0_svc+0x12c/0x1d8 [ 39.189124][ T5569] el0t_64_sync_handler+0x44/0x104 [ 39.189131][ T5569] el0t_64_sync+0x198/0x19c [ 39.207997][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.208389][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 39.210754][ T5603] EXT4-fs: can't change dax mount option while remounting [ 39.244163][ T5572] FAULT_INJECTION: forcing a failure. [ 39.244163][ T5572] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.244178][ T5572] CPU: 1 UID: 0 PID: 5572 Comm: syz.2.59 Not tainted syzkaller #0 PREEMPT [ 39.244188][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.244192][ T5572] Call trace: [ 39.244195][ T5572] show_stack+0x2c/0x3c (C) [ 39.244207][ T5572] __dump_stack+0x30/0x40 [ 39.244214][ T5572] dump_stack_lvl+0xd8/0x12c [ 39.244222][ T5572] dump_stack+0x1c/0x28 [ 39.244229][ T5572] should_fail_ex+0x418/0x58c [ 39.244237][ T5572] should_fail+0x14/0x24 [ 39.244245][ T5572] get_futex_key+0x1ec/0x12b0 [ 39.244255][ T5572] futex_wake+0x10c/0x594 [ 39.244262][ T5572] do_futex+0x2c4/0x378 [ 39.244272][ T5572] mm_exit_exec_release+0x190/0x27c [ 39.244281][ T5572] exit_mm+0x50/0x1f0 [ 39.244288][ T5572] do_exit+0x524/0x1a74 [ 39.244295][ T5572] do_group_exit+0x198/0x238 [ 39.244303][ T5572] get_signal+0xfb0/0x1094 [ 39.244311][ T5572] arch_do_signal_or_restart+0x288/0x444c [ 39.244319][ T5572] exit_to_user_mode_loop+0x70/0x17c [ 39.244329][ T5572] el0_svc+0x12c/0x1d8 [ 39.244336][ T5572] el0t_64_sync_handler+0x44/0x104 [ 39.244344][ T5572] el0t_64_sync+0x198/0x19c [ 39.256891][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.257072][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 39.333948][ T5609] EXT4-fs: can't change dax mount option while remounting [ 39.353675][ T5609] FAULT_INJECTION: forcing a failure. [ 39.353675][ T5609] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.353698][ T5609] CPU: 0 UID: 0 PID: 5609 Comm: syz.1.61 Not tainted syzkaller #0 PREEMPT [ 39.353708][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.353715][ T5609] Call trace: [ 39.353718][ T5609] show_stack+0x2c/0x3c (C) [ 39.353734][ T5609] __dump_stack+0x30/0x40 [ 39.353742][ T5609] dump_stack_lvl+0xd8/0x12c [ 39.353751][ T5609] dump_stack+0x1c/0x28 [ 39.353763][ T5609] should_fail_ex+0x418/0x58c [ 39.353774][ T5609] should_fail+0x14/0x24 [ 39.353782][ T5609] get_futex_key+0xd0c/0x12b0 [ 39.353794][ T5609] futex_wake+0x10c/0x594 [ 39.353802][ T5609] do_futex+0x2c4/0x378 [ 39.353812][ T5609] mm_exit_exec_release+0x190/0x27c [ 39.353822][ T5609] exit_mm+0x50/0x1f0 [ 39.353829][ T5609] do_exit+0x524/0x1a74 [ 39.353837][ T5609] do_group_exit+0x198/0x238 [ 39.353844][ T5609] get_signal+0xfb0/0x1094 [ 39.353853][ T5609] arch_do_signal_or_restart+0x288/0x444c [ 39.353861][ T5609] exit_to_user_mode_loop+0x70/0x17c [ 39.353872][ T5609] el0_svc+0x12c/0x1d8 [ 39.353879][ T5609] el0t_64_sync_handler+0x44/0x104 [ 39.353887][ T5609] el0t_64_sync+0x198/0x19c [ 39.392658][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.392842][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 39.425673][ T4855] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.458984][ T5638] EXT4-fs: can't change dax mount option while remounting [ 39.469496][ T4855] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 39.469824][ T4855] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.478623][ T5614] FAULT_INJECTION: forcing a failure. [ 39.478623][ T5614] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.478639][ T5614] CPU: 1 UID: 0 PID: 5614 Comm: syz.2.62 Not tainted syzkaller #0 PREEMPT [ 39.478648][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.478653][ T5614] Call trace: [ 39.478656][ T5614] show_stack+0x2c/0x3c (C) [ 39.478671][ T5614] __dump_stack+0x30/0x40 [ 39.478679][ T5614] dump_stack_lvl+0xd8/0x12c [ 39.478686][ T5614] dump_stack+0x1c/0x28 [ 39.478693][ T5614] should_fail_ex+0x418/0x58c [ 39.478702][ T5614] should_fail+0x14/0x24 [ 39.478710][ T5614] get_futex_key+0xd0c/0x12b0 [ 39.478721][ T5614] futex_wake+0x10c/0x594 [ 39.478727][ T5614] do_futex+0x2c4/0x378 [ 39.478737][ T5614] mm_exit_exec_release+0x190/0x27c [ 39.478746][ T5614] exit_mm+0x50/0x1f0 [ 39.478754][ T5614] do_exit+0x524/0x1a74 [ 39.478761][ T5614] do_group_exit+0x198/0x238 [ 39.478776][ T5614] get_signal+0xfb0/0x1094 [ 39.478785][ T5614] arch_do_signal_or_restart+0x288/0x444c [ 39.478792][ T5614] exit_to_user_mode_loop+0x70/0x17c [ 39.478804][ T5614] el0_svc+0x12c/0x1d8 [ 39.478813][ T5614] el0t_64_sync_handler+0x44/0x104 [ 39.478821][ T5614] el0t_64_sync+0x198/0x19c [ 39.489306][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.510339][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 39.515445][ T4855] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 39.515740][ T4855] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.530685][ T5651] EXT4-fs: The data=journal mount option is deprecated and support will be removed in January 2028 [ 39.530695][ T5651] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 39.532256][ T4855] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 39.532562][ T4855] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.545275][ T4855] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.560284][ T5651] EXT4-fs (loop1): 1 orphan inode deleted [ 39.563381][ T5644] FAULT_INJECTION: forcing a failure. [ 39.563381][ T5644] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.563395][ T5644] CPU: 1 UID: 0 PID: 5644 Comm: syz.1.63 Not tainted syzkaller #0 PREEMPT [ 39.563405][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.563410][ T5644] Call trace: [ 39.563413][ T5644] show_stack+0x2c/0x3c (C) [ 39.563426][ T5644] __dump_stack+0x30/0x40 [ 39.563434][ T5644] dump_stack_lvl+0xd8/0x12c [ 39.563442][ T5644] dump_stack+0x1c/0x28 [ 39.563455][ T5644] should_fail_ex+0x418/0x58c [ 39.563465][ T5644] should_fail+0x14/0x24 [ 39.563473][ T5644] get_futex_key+0x1ec/0x12b0 [ 39.563484][ T5644] futex_wake+0x10c/0x594 [ 39.563491][ T5644] do_futex+0x2c4/0x378 [ 39.563500][ T5644] mm_exit_exec_release+0x190/0x27c [ 39.563510][ T5644] exit_mm+0x50/0x1f0 [ 39.563518][ T5644] do_exit+0x524/0x1a74 [ 39.563525][ T5644] do_group_exit+0x198/0x238 [ 39.563533][ T5644] get_signal+0xfb0/0x1094 [ 39.563542][ T5644] arch_do_signal_or_restart+0x288/0x444c [ 39.563549][ T5644] exit_to_user_mode_loop+0x70/0x17c [ 39.563560][ T5644] el0_svc+0x12c/0x1d8 [ 39.563568][ T5644] el0t_64_sync_handler+0x44/0x104 [ 39.563575][ T5644] el0t_64_sync+0x198/0x19c [ 39.646648][ T267] Quota error (device loop1): do_check_range: Getting dqdh_entries 15 out of range 0-14 [ 39.646696][ T267] EXT4-fs error (device loop1): ext4_release_dquot:7106: comm kworker/u8:5: Failed to release dquot type 1 [ 39.681550][ T5678] EXT4-fs: can't change dax mount option while remounting [ 39.690571][ T5663] FAULT_INJECTION: forcing a failure. [ 39.690571][ T5663] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.690587][ T5663] CPU: 1 UID: 0 PID: 5663 Comm: syz.2.64 Not tainted syzkaller #0 PREEMPT [ 39.690597][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.690602][ T5663] Call trace: [ 39.690605][ T5663] show_stack+0x2c/0x3c (C) [ 39.690619][ T5663] __dump_stack+0x30/0x40 [ 39.690627][ T5663] dump_stack_lvl+0xd8/0x12c [ 39.690635][ T5663] dump_stack+0x1c/0x28 [ 39.690642][ T5663] should_fail_ex+0x418/0x58c [ 39.690651][ T5663] should_fail+0x14/0x24 [ 39.690659][ T5663] get_futex_key+0xd0c/0x12b0 [ 39.690670][ T5663] futex_wake+0x10c/0x594 [ 39.690676][ T5663] do_futex+0x2c4/0x378 [ 39.690686][ T5663] mm_exit_exec_release+0x190/0x27c [ 39.690695][ T5663] exit_mm+0x50/0x1f0 [ 39.690703][ T5663] do_exit+0x524/0x1a74 [ 39.690710][ T5663] do_group_exit+0x198/0x238 [ 39.690718][ T5663] get_signal+0xfb0/0x1094 [ 39.690726][ T5663] arch_do_signal_or_restart+0x288/0x444c [ 39.690734][ T5663] exit_to_user_mode_loop+0x70/0x17c [ 39.690744][ T5663] el0_svc+0x12c/0x1d8 [ 39.690752][ T5663] el0t_64_sync_handler+0x44/0x104 [ 39.690759][ T5663] el0t_64_sync+0x198/0x19c [ 39.731424][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 39.749147][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 39.751149][ T4869] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 39.767712][ T4869] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 39.768027][ T4869] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 39.780032][ T4869] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 39.800318][ T4869] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 39.821349][ T4869] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 39.821647][ T4869] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 39.831803][ T4869] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.845472][ T4855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.848529][ T5688] EXT4-fs: The data=journal mount option is deprecated and support will be removed in January 2028 [ 39.873681][ T5688] EXT4-fs (loop1): 1 orphan inode deleted [ 39.891908][ T267] Quota error (device loop1): do_check_range: Getting dqdh_entries 15 out of range 0-14 [ 39.891941][ T267] EXT4-fs error (device loop1): ext4_release_dquot:7106: comm kworker/u8:5: Failed to release dquot type 1 [ 39.891992][ T267] loop1: lost filesystem error report for type 5 error -117 [ 39.893656][ T5682] FAULT_INJECTION: forcing a failure. [ 39.893656][ T5682] name fail_futex, interval 1, probability 0, space 0, times 0 [ 39.893673][ T5682] CPU: 0 UID: 0 PID: 5682 Comm: syz.1.65 Not tainted syzkaller #0 PREEMPT [ 39.893683][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.893687][ T5682] Call trace: [ 39.893690][ T5682] show_stack+0x2c/0x3c (C) [ 39.893705][ T5682] __dump_stack+0x30/0x40 [ 39.893714][ T5682] dump_stack_lvl+0xd8/0x12c [ 39.893721][ T5682] dump_stack+0x1c/0x28 [ 39.893728][ T5682] should_fail_ex+0x418/0x58c [ 39.893738][ T5682] should_fail+0x14/0x24 [ 39.893746][ T5682] get_futex_key+0xd0c/0x12b0 [ 39.893761][ T5682] futex_wake+0x10c/0x594 [ 39.893768][ T5682] do_futex+0x2c4/0x378 [ 39.893778][ T5682] mm_exit_exec_release+0x190/0x27c [ 39.893788][ T5682] exit_mm+0x50/0x1f0 [ 39.893796][ T5682] do_exit+0x524/0x1a74 [ 39.893803][ T5682] do_group_exit+0x198/0x238 [ 39.893810][ T5682] get_signal+0xfb0/0x1094 [ 39.893819][ T5682] arch_do_signal_or_restart+0x288/0x444c [ 39.893827][ T5682] exit_to_user_mode_loop+0x70/0x17c [ 39.893837][ T5682] el0_svc+0x12c/0x1d8 [ 39.893846][ T5682] el0t_64_sync_handler+0x44/0x104 [ 39.893853][ T5682] el0t_64_sync+0x198/0x19c 1970/01/01 00:00:39 executed programs: 57 [ 39.957812][ T4855] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.969940][ T4855] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 39.969953][ T4855] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 39.972139][ T4871] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 39.972498][ T5709] EXT4-fs: can't change dax mount option while remounting [ 39.974172][ T5697] FAULT_INJECTION: forcing a failure. [ 39.974172][ T5697] name failslab, interval 1, probability 0, space 0, times 0 [ 39.974195][ T5697] CPU: 0 UID: 0 PID: 5697 Comm: syz.2.66 Not tainted syzkaller #0 PREEMPT [ 39.974213][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 39.974218][ T5697] Call trace: [ 39.974221][ T5697] show_stack+0x2c/0x3c (C) [ 39.974233][ T5697] __dump_stack+0x30/0x40 [ 39.974241][ T5697] dump_stack_lvl+0xd8/0x12c [ 39.974249][ T5697] dump_stack+0x1c/0x28 [ 39.974255][ T5697] should_fail_ex+0x418/0x58c [ 39.974265][ T5697] should_failslab+0xc4/0x120 [ 39.974273][ T5697] kmem_cache_alloc_noprof+0x94/0x5d4 [ 39.974282][ T5697] alloc_empty_file+0x6c/0x1cc [ 39.974291][ T5697] alloc_file+0x58/0x98 [ 39.974299][ T5697] alloc_file_pseudo+0xe0/0x198 [ 39.974308][ T5697] __anon_inode_getfile+0x118/0x1c8 [ 39.974317][ T5697] anon_inode_getfile_fmode+0x4c/0xc0 [ 39.974325][ T5697] __arm64_sys_timerfd_create+0x274/0x34c [ 39.974333][ T5697] invoke_syscall+0x98/0x244 [ 39.974341][ T5697] el0_svc_common+0xec/0x23c [ 39.974348][ T5697] do_el0_svc+0x4c/0x5c [ 39.974355][ T5697] el0_svc+0x60/0x1d8 [ 39.974363][ T5697] el0t_64_sync_handler+0x44/0x104 [ 39.974370][ T5697] el0t_64_sync+0x198/0x19c [ 40.021472][ T4871] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 40.021790][ T4871] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 40.024037][ T4871] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 40.032976][ T267] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.033002][ T267] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.033509][ T267] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.033535][ T267] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.035446][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.035815][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 40.061982][ T5737] EXT4-fs: can't change dax mount option while remounting [ 40.062839][ T49] hsr_slave_0: left promiscuous mode [ 40.072232][ T49] hsr_slave_1: left promiscuous mode [ 40.072609][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 40.072629][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 40.073059][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 40.073067][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 40.085084][ T49] veth1_macvtap: left promiscuous mode [ 40.085118][ T49] veth0_macvtap: left promiscuous mode [ 40.085166][ T49] veth1_vlan: left promiscuous mode [ 40.085206][ T49] veth0_vlan: left promiscuous mode [ 40.091658][ T5721] FAULT_INJECTION: forcing a failure. [ 40.091658][ T5721] name fail_futex, interval 1, probability 0, space 0, times 0 [ 40.091679][ T5721] CPU: 0 UID: 0 PID: 5721 Comm: syz.1.67 Not tainted syzkaller #0 PREEMPT [ 40.091689][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.091694][ T5721] Call trace: [ 40.091697][ T5721] show_stack+0x2c/0x3c (C) [ 40.091712][ T5721] __dump_stack+0x30/0x40 [ 40.091720][ T5721] dump_stack_lvl+0xd8/0x12c [ 40.091728][ T5721] dump_stack+0x1c/0x28 [ 40.091735][ T5721] should_fail_ex+0x418/0x58c [ 40.091744][ T5721] should_fail+0x14/0x24 [ 40.091752][ T5721] get_futex_key+0xd0c/0x12b0 [ 40.091781][ T5721] futex_wake+0x10c/0x594 [ 40.091789][ T5721] do_futex+0x2c4/0x378 [ 40.091799][ T5721] mm_exit_exec_release+0x190/0x27c [ 40.091809][ T5721] exit_mm+0x50/0x1f0 [ 40.091817][ T5721] do_exit+0x524/0x1a74 [ 40.091824][ T5721] do_group_exit+0x198/0x238 [ 40.091832][ T5721] get_signal+0xfb0/0x1094 [ 40.091841][ T5721] arch_do_signal_or_restart+0x288/0x444c [ 40.091848][ T5721] exit_to_user_mode_loop+0x70/0x17c [ 40.091859][ T5721] el0_svc+0x12c/0x1d8 [ 40.091867][ T5721] el0t_64_sync_handler+0x44/0x104 [ 40.091875][ T5721] el0t_64_sync+0x198/0x19c [ 40.095970][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.101413][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 40.177088][ T5748] EXT4-fs: can't change dax mount option while remounting [ 40.180206][ T5740] FAULT_INJECTION: forcing a failure. [ 40.180206][ T5740] name fail_futex, interval 1, probability 0, space 0, times 0 [ 40.180221][ T5740] CPU: 0 UID: 0 PID: 5740 Comm: syz.2.68 Not tainted syzkaller #0 PREEMPT [ 40.180230][ T5740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.180235][ T5740] Call trace: [ 40.180238][ T5740] show_stack+0x2c/0x3c (C) [ 40.180251][ T5740] __dump_stack+0x30/0x40 [ 40.180259][ T5740] dump_stack_lvl+0xd8/0x12c [ 40.180266][ T5740] dump_stack+0x1c/0x28 [ 40.180273][ T5740] should_fail_ex+0x418/0x58c [ 40.180283][ T5740] should_fail+0x14/0x24 [ 40.180290][ T5740] get_futex_key+0x1ec/0x12b0 [ 40.180301][ T5740] futex_wake+0x10c/0x594 [ 40.180308][ T5740] do_futex+0x2c4/0x378 [ 40.180318][ T5740] __arm64_sys_futex+0x2e4/0x418 [ 40.180328][ T5740] invoke_syscall+0x98/0x244 [ 40.180335][ T5740] el0_svc_common+0xec/0x23c [ 40.180342][ T5740] do_el0_svc+0x4c/0x5c [ 40.180349][ T5740] el0_svc+0x60/0x1d8 [ 40.180357][ T5740] el0t_64_sync_handler+0x44/0x104 [ 40.180364][ T5740] el0t_64_sync+0x198/0x19c [ 40.216490][ T5769] EXT4-fs: can't change dax mount option while remounting [ 40.222574][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.223469][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 40.230594][ T5742] FAULT_INJECTION: forcing a failure. [ 40.230594][ T5742] name fail_futex, interval 1, probability 0, space 0, times 0 [ 40.230613][ T5742] CPU: 0 UID: 0 PID: 5742 Comm: syz.1.69 Not tainted syzkaller #0 PREEMPT [ 40.230625][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.230630][ T5742] Call trace: [ 40.230633][ T5742] show_stack+0x2c/0x3c (C) [ 40.230646][ T5742] __dump_stack+0x30/0x40 [ 40.230656][ T5742] dump_stack_lvl+0xd8/0x12c [ 40.230664][ T5742] dump_stack+0x1c/0x28 [ 40.230671][ T5742] should_fail_ex+0x418/0x58c [ 40.230680][ T5742] should_fail+0x14/0x24 [ 40.230688][ T5742] get_futex_key+0x1ec/0x12b0 [ 40.230698][ T5742] futex_wake+0x10c/0x594 [ 40.230705][ T5742] do_futex+0x2c4/0x378 [ 40.230715][ T5742] mm_exit_exec_release+0x190/0x27c [ 40.230724][ T5742] exit_mm+0x50/0x1f0 [ 40.230732][ T5742] do_exit+0x524/0x1a74 [ 40.230739][ T5742] do_group_exit+0x198/0x238 [ 40.230747][ T5742] get_signal+0xfb0/0x1094 [ 40.230761][ T5742] arch_do_signal_or_restart+0x288/0x444c [ 40.230769][ T5742] exit_to_user_mode_loop+0x70/0x17c [ 40.230780][ T5742] el0_svc+0x12c/0x1d8 [ 40.230788][ T5742] el0t_64_sync_handler+0x44/0x104 [ 40.230795][ T5742] el0t_64_sync+0x198/0x19c [ 40.233819][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.233994][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 40.309892][ T49] team0 (unregistering): Port device team_slave_1 removed [ 40.326803][ T49] team0 (unregistering): Port device team_slave_0 removed [ 40.347631][ T5791] EXT4-fs: can't change dax mount option while remounting [ 40.368200][ T5774] FAULT_INJECTION: forcing a failure. [ 40.368200][ T5774] name fail_futex, interval 1, probability 0, space 0, times 0 [ 40.368223][ T5774] CPU: 0 UID: 0 PID: 5774 Comm: syz.1.71 Not tainted syzkaller #0 PREEMPT [ 40.368236][ T5774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.368241][ T5774] Call trace: [ 40.368244][ T5774] show_stack+0x2c/0x3c (C) [ 40.368258][ T5774] __dump_stack+0x30/0x40 [ 40.368267][ T5774] dump_stack_lvl+0xd8/0x12c [ 40.368274][ T5774] dump_stack+0x1c/0x28 [ 40.368281][ T5774] should_fail_ex+0x418/0x58c [ 40.368291][ T5774] should_fail+0x14/0x24 [ 40.368298][ T5774] get_futex_key+0xd0c/0x12b0 [ 40.368309][ T5774] futex_wake+0x10c/0x594 [ 40.368316][ T5774] do_futex+0x2c4/0x378 [ 40.368326][ T5774] mm_exit_exec_release+0x190/0x27c [ 40.368335][ T5774] exit_mm+0x50/0x1f0 [ 40.368343][ T5774] do_exit+0x524/0x1a74 [ 40.368350][ T5774] do_group_exit+0x198/0x238 [ 40.368358][ T5774] get_signal+0xfb0/0x1094 [ 40.368366][ T5774] arch_do_signal_or_restart+0x288/0x444c [ 40.368374][ T5774] exit_to_user_mode_loop+0x70/0x17c [ 40.368385][ T5774] el0_svc+0x12c/0x1d8 [ 40.368392][ T5774] el0t_64_sync_handler+0x44/0x104 [ 40.368400][ T5774] el0t_64_sync+0x198/0x19c [ 40.393169][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.393330][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 40.404959][ T5799] EXT4-fs: can't change dax mount option while remounting [ 40.405051][ T5773] FAULT_INJECTION: forcing a failure. [ 40.405051][ T5773] name failslab, interval 1, probability 0, space 0, times 0 [ 40.405063][ T5773] CPU: 1 UID: 0 PID: 5773 Comm: syz.2.70 Not tainted syzkaller #0 PREEMPT [ 40.405071][ T5773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.405076][ T5773] Call trace: [ 40.405079][ T5773] show_stack+0x2c/0x3c (C) [ 40.405091][ T5773] __dump_stack+0x30/0x40 [ 40.405099][ T5773] dump_stack_lvl+0xd8/0x12c [ 40.405106][ T5773] dump_stack+0x1c/0x28 [ 40.405113][ T5773] should_fail_ex+0x418/0x58c [ 40.405122][ T5773] should_failslab+0xc4/0x120 [ 40.405131][ T5773] kmem_cache_alloc_noprof+0x94/0x5d4 [ 40.405140][ T5773] alloc_empty_file+0x6c/0x1cc [ 40.405149][ T5773] path_openat+0x78/0x18f0 [ 40.405159][ T5773] do_file_open+0x1c8/0x2e8 [ 40.405169][ T5773] do_sys_openat2+0x114/0x1e8 [ 40.405176][ T5773] do_sys_open+0xb0/0xe0 [ 40.405183][ T5773] __arm64_sys_openat+0xa8/0xc4 [ 40.405191][ T5773] invoke_syscall+0x98/0x244 [ 40.405198][ T5773] el0_svc_common+0xec/0x23c [ 40.405206][ T5773] do_el0_svc+0x4c/0x5c [ 40.405213][ T5773] el0_svc+0x60/0x1d8 [ 40.405220][ T5773] el0t_64_sync_handler+0x44/0x104 [ 40.405227][ T5773] el0t_64_sync+0x198/0x19c [ 40.435314][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.435532][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 40.477426][ T4871] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 40.478779][ T4871] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 40.485993][ T4871] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 40.495537][ T4871] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 40.556644][ T4869] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.560345][ T4869] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.560728][ T5829] EXT4-fs: can't change dax mount option while remounting [ 40.563980][ T60] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.564011][ T60] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.564821][ T60] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.564840][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.586330][ T5805] FAULT_INJECTION: forcing a failure. [ 40.586330][ T5805] name failslab, interval 1, probability 0, space 0, times 0 [ 40.586350][ T5805] CPU: 1 UID: 0 PID: 5805 Comm: syz.2.73 Not tainted syzkaller #0 PREEMPT [ 40.586360][ T5805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.586365][ T5805] Call trace: [ 40.586368][ T5805] show_stack+0x2c/0x3c (C) [ 40.586384][ T5805] __dump_stack+0x30/0x40 [ 40.586393][ T5805] dump_stack_lvl+0xd8/0x12c [ 40.586401][ T5805] dump_stack+0x1c/0x28 [ 40.586408][ T5805] should_fail_ex+0x418/0x58c [ 40.586418][ T5805] should_failslab+0xc4/0x120 [ 40.586427][ T5805] kmem_cache_alloc_noprof+0x94/0x5d4 [ 40.586436][ T5805] alloc_empty_file+0x6c/0x1cc [ 40.586445][ T5805] path_openat+0x78/0x18f0 [ 40.586455][ T5805] do_file_open+0x1c8/0x2e8 [ 40.586464][ T5805] do_sys_openat2+0x114/0x1e8 [ 40.586472][ T5805] do_sys_open+0xb0/0xe0 [ 40.586479][ T5805] __arm64_sys_openat+0xa8/0xc4 [ 40.586486][ T5805] invoke_syscall+0x98/0x244 [ 40.586494][ T5805] el0_svc_common+0xec/0x23c [ 40.586502][ T5805] do_el0_svc+0x4c/0x5c [ 40.586509][ T5805] el0_svc+0x60/0x1d8 [ 40.586517][ T5805] el0t_64_sync_handler+0x44/0x104 [ 40.586524][ T5805] el0t_64_sync+0x198/0x19c [ 40.603945][ T5834] EXT4-fs: can't change dax mount option while remounting [ 40.604374][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.604559][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 40.633348][ T5804] FAULT_INJECTION: forcing a failure. [ 40.633348][ T5804] name failslab, interval 1, probability 0, space 0, times 0 [ 40.633364][ T5804] CPU: 0 UID: 0 PID: 5804 Comm: syz.1.72 Not tainted syzkaller #0 PREEMPT [ 40.633374][ T5804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.633379][ T5804] Call trace: [ 40.633382][ T5804] show_stack+0x2c/0x3c (C) [ 40.633396][ T5804] __dump_stack+0x30/0x40 [ 40.633405][ T5804] dump_stack_lvl+0xd8/0x12c [ 40.633412][ T5804] dump_stack+0x1c/0x28 [ 40.633419][ T5804] should_fail_ex+0x418/0x58c [ 40.633429][ T5804] should_failslab+0xc4/0x120 [ 40.633438][ T5804] kmem_cache_alloc_noprof+0x94/0x5d4 [ 40.633446][ T5804] taskstats_exit+0x30c/0x89c [ 40.633454][ T5804] do_exit+0x50c/0x1a74 [ 40.633463][ T5804] do_group_exit+0x198/0x238 [ 40.633470][ T5804] get_signal+0xfb0/0x1094 [ 40.633479][ T5804] arch_do_signal_or_restart+0x288/0x444c [ 40.633487][ T5804] exit_to_user_mode_loop+0x70/0x17c [ 40.633498][ T5804] el0_svc+0x12c/0x1d8 [ 40.633506][ T5804] el0t_64_sync_handler+0x44/0x104 [ 40.633513][ T5804] el0t_64_sync+0x198/0x19c [ 40.643604][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.643772][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 40.645949][ T4871] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.664458][ T4871] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.672990][ T4893] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.673015][ T4893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.673493][ T4893] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.673513][ T4893] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.709203][ T4871] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.709218][ T4871] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.733337][ T4855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.762804][ T4855] veth0_vlan: entered promiscuous mode [ 40.770557][ T4855] veth1_vlan: entered promiscuous mode [ 40.781953][ T4855] veth0_macvtap: entered promiscuous mode [ 40.818890][ T4855] veth1_macvtap: entered promiscuous mode [ 40.822282][ T4855] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.830557][ T4855] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.844735][ T5878] EXT4-fs: can't change dax mount option while remounting [ 40.866716][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.866859][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.866878][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.866894][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.872998][ T5888] EXT4-fs: can't change dax mount option while remounting [ 40.874900][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.875098][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 40.902503][ T5853] FAULT_INJECTION: forcing a failure. [ 40.902503][ T5853] name fail_futex, interval 1, probability 0, space 0, times 0 [ 40.902519][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz.1.75 Not tainted syzkaller #0 PREEMPT [ 40.902529][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 40.902534][ T5853] Call trace: [ 40.902537][ T5853] show_stack+0x2c/0x3c (C) [ 40.902551][ T5853] __dump_stack+0x30/0x40 [ 40.902559][ T5853] dump_stack_lvl+0xd8/0x12c [ 40.902566][ T5853] dump_stack+0x1c/0x28 [ 40.902573][ T5853] should_fail_ex+0x418/0x58c [ 40.902583][ T5853] should_fail+0x14/0x24 [ 40.902590][ T5853] get_futex_key+0xd0c/0x12b0 [ 40.902601][ T5853] futex_wake+0x10c/0x594 [ 40.902608][ T5853] do_futex+0x2c4/0x378 [ 40.902618][ T5853] mm_exit_exec_release+0x190/0x27c [ 40.902627][ T5853] exit_mm+0x50/0x1f0 [ 40.902634][ T5853] do_exit+0x524/0x1a74 [ 40.902642][ T5853] do_group_exit+0x198/0x238 [ 40.902649][ T5853] get_signal+0xfb0/0x1094 [ 40.902658][ T5853] arch_do_signal_or_restart+0x288/0x444c [ 40.902666][ T5853] exit_to_user_mode_loop+0x70/0x17c [ 40.902676][ T5853] el0_svc+0x12c/0x1d8 [ 40.902684][ T5853] el0t_64_sync_handler+0x44/0x104 [ 40.902691][ T5853] el0t_64_sync+0x198/0x19c [ 40.918116][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 40.921847][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 40.954817][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.954829][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.989400][ T4871] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.003541][ T4869] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.004197][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.004206][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.053299][ T4869] veth0_vlan: entered promiscuous mode [ 41.055667][ T4869] veth1_vlan: entered promiscuous mode [ 41.056357][ T4864] Bluetooth: hci1: command tx timeout [ 41.056374][ T4864] Bluetooth: hci0: command tx timeout [ 41.067584][ T4869] veth0_macvtap: entered promiscuous mode [ 41.068586][ T4869] veth1_macvtap: entered promiscuous mode [ 41.072028][ T4869] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.072988][ T4869] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.088422][ T5924] EXT4-fs: can't change dax mount option while remounting [ 41.102463][ T5899] FAULT_INJECTION: forcing a failure. [ 41.102463][ T5899] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.102480][ T5899] CPU: 0 UID: 0 PID: 5899 Comm: syz.2.76 Not tainted syzkaller #0 PREEMPT [ 41.102490][ T5899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.102495][ T5899] Call trace: [ 41.102497][ T5899] show_stack+0x2c/0x3c (C) [ 41.102512][ T5899] __dump_stack+0x30/0x40 [ 41.102521][ T5899] dump_stack_lvl+0xd8/0x12c [ 41.102529][ T5899] dump_stack+0x1c/0x28 [ 41.102535][ T5899] should_fail_ex+0x418/0x58c [ 41.102548][ T5899] should_fail+0x14/0x24 [ 41.102556][ T5899] get_futex_key+0xd0c/0x12b0 [ 41.102569][ T5899] futex_wake+0x10c/0x594 [ 41.102576][ T5899] do_futex+0x2c4/0x378 [ 41.102586][ T5899] mm_exit_exec_release+0x190/0x27c [ 41.102597][ T5899] exit_mm+0x50/0x1f0 [ 41.102606][ T5899] do_exit+0x524/0x1a74 [ 41.102614][ T5899] do_group_exit+0x198/0x238 [ 41.102622][ T5899] get_signal+0xfb0/0x1094 [ 41.102631][ T5899] arch_do_signal_or_restart+0x288/0x444c [ 41.102638][ T5899] exit_to_user_mode_loop+0x70/0x17c [ 41.102650][ T5899] el0_svc+0x12c/0x1d8 [ 41.102657][ T5899] el0t_64_sync_handler+0x44/0x104 [ 41.102664][ T5899] el0t_64_sync+0x198/0x19c [ 41.124754][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.124937][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 41.136566][ T4860] Bluetooth: hci2: command tx timeout [ 41.136588][ T4860] Bluetooth: hci4: command tx timeout [ 41.157369][ T5940] EXT4-fs: can't change dax mount option while remounting [ 41.159036][ T5902] FAULT_INJECTION: forcing a failure. [ 41.159036][ T5902] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.159058][ T5902] CPU: 0 UID: 0 PID: 5902 Comm: syz.1.77 Not tainted syzkaller #0 PREEMPT [ 41.159069][ T5902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.159073][ T5902] Call trace: [ 41.159076][ T5902] show_stack+0x2c/0x3c (C) [ 41.159090][ T5902] __dump_stack+0x30/0x40 [ 41.159099][ T5902] dump_stack_lvl+0xd8/0x12c [ 41.159106][ T5902] dump_stack+0x1c/0x28 [ 41.159113][ T5902] should_fail_ex+0x418/0x58c [ 41.159123][ T5902] should_fail+0x14/0x24 [ 41.159131][ T5902] get_futex_key+0x1ec/0x12b0 [ 41.159141][ T5902] futex_wait_setup+0x58/0x674 [ 41.159148][ T5902] __futex_wait+0x108/0x25c [ 41.159155][ T5902] futex_wait+0x108/0x2c0 [ 41.159162][ T5902] do_futex+0x320/0x378 [ 41.159171][ T5902] __arm64_sys_futex+0x2e4/0x418 [ 41.159181][ T5902] invoke_syscall+0x98/0x244 [ 41.159189][ T5902] el0_svc_common+0xec/0x23c [ 41.159196][ T5902] do_el0_svc+0x4c/0x5c [ 41.159203][ T5902] el0_svc+0x60/0x1d8 [ 41.159210][ T5902] el0t_64_sync_handler+0x44/0x104 [ 41.159217][ T5902] el0t_64_sync+0x198/0x19c [ 41.166274][ T4871] veth0_vlan: entered promiscuous mode [ 41.169263][ T4871] veth1_vlan: entered promiscuous mode [ 41.175636][ T4871] veth0_macvtap: entered promiscuous mode [ 41.177317][ T40] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.184358][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.184370][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.190733][ T4871] veth1_macvtap: entered promiscuous mode [ 41.200541][ T4893] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.200553][ T4893] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.203670][ T4871] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.206711][ T13] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.206836][ T13] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.208406][ T4871] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.213037][ T49] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.213108][ T49] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.213134][ T49] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.216807][ T4860] Bluetooth: hci3: command tx timeout [ 41.255205][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.255859][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 41.322241][ T5966] EXT4-fs: can't change dax mount option while remounting [ 41.323519][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.323530][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.329180][ T5920] FAULT_INJECTION: forcing a failure. [ 41.329180][ T5920] name failslab, interval 1, probability 0, space 0, times 0 [ 41.329201][ T5920] CPU: 1 UID: 0 PID: 5920 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 41.329214][ T5920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.329219][ T5920] Call trace: [ 41.329222][ T5920] show_stack+0x2c/0x3c (C) [ 41.329236][ T5920] __dump_stack+0x30/0x40 [ 41.329244][ T5920] dump_stack_lvl+0xd8/0x12c [ 41.329252][ T5920] dump_stack+0x1c/0x28 [ 41.329259][ T5920] should_fail_ex+0x418/0x58c [ 41.329269][ T5920] should_failslab+0xc4/0x120 [ 41.329277][ T5920] kmem_cache_alloc_noprof+0x94/0x5d4 [ 41.329286][ T5920] __kernfs_new_node+0xf0/0x7d8 [ 41.329294][ T5920] kernfs_new_node+0xe8/0x130 [ 41.329301][ T5920] kernfs_create_dir_ns+0x58/0x138 [ 41.329308][ T5920] sysfs_create_dir_ns+0x120/0x1f4 [ 41.329316][ T5920] kobject_add_internal+0x290/0x6f0 [ 41.329326][ T5920] kobject_add_varg+0x9c/0xe8 [ 41.329333][ T5920] kobject_add+0x110/0x1c8 [ 41.329341][ T5920] elevator_change_done+0x220/0x510 [ 41.329348][ T5920] elevator_change+0x258/0x35c [ 41.329355][ T5920] elevator_set_default+0x190/0x2b0 [ 41.329362][ T5920] blk_register_queue+0x304/0x3dc [ 41.329371][ T5920] __add_disk+0x5c8/0xbdc [ 41.329379][ T5920] add_disk_fwnode+0xd4/0x340 [ 41.329387][ T5920] device_add_disk+0x38/0x4c [ 41.329395][ T5920] dm_setup_md_queue+0x1e4/0x434 [ 41.329406][ T5920] table_load+0x3d4/0x764 [ 41.329414][ T5920] dm_ctl_ioctl+0x884/0xbbc [ 41.329422][ T5920] __arm64_sys_ioctl+0x154/0x1cc [ 41.329431][ T5920] invoke_syscall+0x98/0x244 [ 41.329439][ T5920] el0_svc_common+0xec/0x23c [ 41.329446][ T5920] do_el0_svc+0x4c/0x5c [ 41.329453][ T5920] el0_svc+0x60/0x1d8 [ 41.329460][ T5920] el0t_64_sync_handler+0x44/0x104 [ 41.329467][ T5920] el0t_64_sync+0x198/0x19c [ 41.329476][ T5920] kobject: kobject_add_internal failed for iosched (error: -12 parent: queue) [ 41.329848][ T5920] "mq-deadline" elevator initialization, failed -12, falling back to "none" [ 41.337163][ T40] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.338288][ T40] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.353808][ T5973] set_capacity_and_notify: 51 callbacks suppressed [ 41.353819][ T5973] loop1: detected capacity change from 0 to 2048 [ 41.354907][ T5978] device-mapper: ioctl: Invalid ioctl structure: name syzd0, dev f803 [ 41.356800][ T5982] EXT4-fs: can't change dax mount option while remounting [ 41.365603][ T5991] EXT4-fs: can't change dax mount option while remounting [ 41.389148][ T5949] FAULT_INJECTION: forcing a failure. [ 41.389148][ T5949] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.389162][ T5949] CPU: 1 UID: 0 PID: 5949 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT [ 41.389171][ T5949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.389176][ T5949] Call trace: [ 41.389179][ T5949] show_stack+0x2c/0x3c (C) [ 41.389191][ T5949] __dump_stack+0x30/0x40 [ 41.389199][ T5949] dump_stack_lvl+0xd8/0x12c [ 41.389207][ T5949] dump_stack+0x1c/0x28 [ 41.389214][ T5949] should_fail_ex+0x418/0x58c [ 41.389223][ T5949] should_fail+0x14/0x24 [ 41.389231][ T5949] get_futex_key+0xd0c/0x12b0 [ 41.389241][ T5949] futex_wake+0x10c/0x594 [ 41.389248][ T5949] do_futex+0x2c4/0x378 [ 41.389261][ T5949] mm_exit_exec_release+0x190/0x27c [ 41.389271][ T5949] exit_mm+0x50/0x1f0 [ 41.389278][ T5949] do_exit+0x524/0x1a74 [ 41.389286][ T5949] do_group_exit+0x198/0x238 [ 41.389294][ T5949] get_signal+0xfb0/0x1094 [ 41.389303][ T5949] arch_do_signal_or_restart+0x288/0x444c [ 41.389310][ T5949] exit_to_user_mode_loop+0x70/0x17c [ 41.389321][ T5949] el0_svc+0x12c/0x1d8 [ 41.389329][ T5949] el0t_64_sync_handler+0x44/0x104 [ 41.389336][ T5949] el0t_64_sync+0x198/0x19c [ 41.418725][ T4869] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.422490][ T5947] FAULT_INJECTION: forcing a failure. [ 41.422490][ T5947] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.422507][ T5947] CPU: 1 UID: 0 PID: 5947 Comm: syz.2.78 Not tainted syzkaller #0 PREEMPT [ 41.422521][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.422526][ T5947] Call trace: [ 41.422528][ T5947] show_stack+0x2c/0x3c (C) [ 41.422539][ T5947] __dump_stack+0x30/0x40 [ 41.422547][ T5947] dump_stack_lvl+0xd8/0x12c [ 41.422555][ T5947] dump_stack+0x1c/0x28 [ 41.422562][ T5947] should_fail_ex+0x418/0x58c [ 41.422571][ T5947] should_fail+0x14/0x24 [ 41.422578][ T5947] get_futex_key+0xd0c/0x12b0 [ 41.422588][ T5947] futex_wake+0x10c/0x594 [ 41.422595][ T5947] do_futex+0x2c4/0x378 [ 41.422605][ T5947] mm_exit_exec_release+0x190/0x27c [ 41.422614][ T5947] exit_mm+0x50/0x1f0 [ 41.422621][ T5947] do_exit+0x524/0x1a74 [ 41.422628][ T5947] do_group_exit+0x198/0x238 [ 41.422636][ T5947] get_signal+0xfb0/0x1094 [ 41.422645][ T5947] arch_do_signal_or_restart+0x288/0x444c [ 41.422652][ T5947] exit_to_user_mode_loop+0x70/0x17c [ 41.422663][ T5947] el0_svc+0x12c/0x1d8 [ 41.422670][ T5947] el0t_64_sync_handler+0x44/0x104 [ 41.422677][ T5947] el0t_64_sync+0x198/0x19c [ 41.423888][ T4893] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.423901][ T4893] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.426119][ T4869] EXT4-fs (loop3): Remounting filesystem read-only [ 41.434712][ T6003] EXT4-fs: can't change dax mount option while remounting [ 41.434751][ T5973] FAULT_INJECTION: forcing a failure. [ 41.434751][ T5973] name failslab, interval 1, probability 0, space 0, times 0 [ 41.434761][ T5973] CPU: 1 UID: 0 PID: 5973 Comm: syz.1.79 Not tainted syzkaller #0 PREEMPT [ 41.434777][ T5973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.434782][ T5973] Call trace: [ 41.434785][ T5973] show_stack+0x2c/0x3c (C) [ 41.434797][ T5973] __dump_stack+0x30/0x40 [ 41.434808][ T5973] dump_stack_lvl+0xd8/0x12c [ 41.434816][ T5973] dump_stack+0x1c/0x28 [ 41.434823][ T5973] should_fail_ex+0x418/0x58c [ 41.434832][ T5973] should_failslab+0xc4/0x120 [ 41.434841][ T5973] kmem_cache_alloc_noprof+0x94/0x5d4 [ 41.434850][ T5973] alloc_empty_file+0x6c/0x1cc [ 41.434862][ T5973] path_openat+0x78/0x18f0 [ 41.434872][ T5973] do_file_open+0x1c8/0x2e8 [ 41.434882][ T5973] do_sys_openat2+0x114/0x1e8 [ 41.434890][ T5973] do_sys_open+0xb0/0xe0 [ 41.434897][ T5973] __arm64_sys_openat+0xa8/0xc4 [ 41.434904][ T5973] invoke_syscall+0x98/0x244 [ 41.434912][ T5973] el0_svc_common+0xec/0x23c [ 41.434919][ T5973] do_el0_svc+0x4c/0x5c [ 41.434926][ T5973] el0_svc+0x60/0x1d8 [ 41.434933][ T5973] el0t_64_sync_handler+0x44/0x104 [ 41.434940][ T5973] el0t_64_sync+0x198/0x19c [ 41.444286][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.445189][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 41.452666][ T4855] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.452932][ T4855] EXT4-fs (loop0): Remounting filesystem read-only [ 41.490797][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.493076][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 41.555570][ T6006] loop2: detected capacity change from 0 to 2048 [ 41.568794][ T6013] loop0: detected capacity change from 0 to 2048 [ 41.572809][ T6008] loop4: detected capacity change from 0 to 2048 [ 41.583487][ T6012] loop1: detected capacity change from 0 to 2048 [ 41.585798][ T6014] loop3: detected capacity change from 0 to 2048 [ 41.657869][ T6054] EXT4-fs: can't change dax mount option while remounting [ 41.660153][ T6046] EXT4-fs: can't change dax mount option while remounting [ 41.660249][ T6012] FAULT_INJECTION: forcing a failure. [ 41.660249][ T6012] name failslab, interval 1, probability 0, space 0, times 0 [ 41.660278][ T6012] CPU: 0 UID: 0 PID: 6012 Comm: syz.1.83 Not tainted syzkaller #0 PREEMPT [ 41.660290][ T6012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.660295][ T6012] Call trace: [ 41.660299][ T6012] show_stack+0x2c/0x3c (C) [ 41.660312][ T6012] __dump_stack+0x30/0x40 [ 41.660320][ T6012] dump_stack_lvl+0xd8/0x12c [ 41.660328][ T6012] dump_stack+0x1c/0x28 [ 41.660335][ T6012] should_fail_ex+0x418/0x58c [ 41.660344][ T6012] should_failslab+0xc4/0x120 [ 41.660353][ T6012] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 41.660362][ T6012] shmem_alloc_inode+0x2c/0x48 [ 41.660371][ T6012] alloc_inode+0x68/0x198 [ 41.660381][ T6012] new_inode+0x20/0x50 [ 41.660387][ T6012] shmem_get_inode+0xac/0x788 [ 41.660395][ T6012] __shmem_file_setup+0x168/0x284 [ 41.660402][ T6012] shmem_file_setup+0x40/0x54 [ 41.660409][ T6012] memfd_alloc_file+0x9c/0x2f0 [ 41.660419][ T6012] __arm64_sys_memfd_create+0x318/0x3ec [ 41.660429][ T6012] invoke_syscall+0x98/0x244 [ 41.660437][ T6012] el0_svc_common+0xec/0x23c [ 41.660444][ T6012] do_el0_svc+0x4c/0x5c [ 41.660451][ T6012] el0_svc+0x60/0x1d8 [ 41.660459][ T6012] el0t_64_sync_handler+0x44/0x104 [ 41.660466][ T6012] el0t_64_sync+0x198/0x19c [ 41.662947][ T6068] EXT4-fs: can't change dax mount option while remounting [ 41.664668][ T6013] FAULT_INJECTION: forcing a failure. [ 41.664668][ T6013] name failslab, interval 1, probability 0, space 0, times 0 [ 41.664679][ T6066] EXT4-fs: can't change dax mount option while remounting [ 41.664681][ T6013] CPU: 1 UID: 0 PID: 6013 Comm: syz.0.82 Not tainted syzkaller #0 PREEMPT [ 41.664690][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.664695][ T6013] Call trace: [ 41.664698][ T6013] show_stack+0x2c/0x3c (C) [ 41.664708][ T6013] __dump_stack+0x30/0x40 [ 41.664716][ T6013] dump_stack_lvl+0xd8/0x12c [ 41.664724][ T6013] dump_stack+0x1c/0x28 [ 41.664730][ T6013] should_fail_ex+0x418/0x58c [ 41.664739][ T6013] should_failslab+0xc4/0x120 [ 41.664747][ T6013] kmem_cache_alloc_noprof+0x94/0x5d4 [ 41.664756][ T6013] mempool_alloc_slab+0x58/0x74 [ 41.664764][ T6013] mempool_init_node+0x1c0/0x484 [ 41.664780][ T6013] mempool_init_noprof+0x50/0x68 [ 41.664788][ T6013] bioset_init+0x274/0x67c [ 41.664799][ T6013] __alloc_disk_node+0x8c/0x4e4 [ 41.664808][ T6013] __blk_alloc_disk+0xec/0x1a8 [ 41.664816][ T6013] dm_create+0x3ec/0xd94 [ 41.664826][ T6013] dev_create+0x108/0x258 [ 41.664835][ T6013] dm_ctl_ioctl+0x884/0xbbc [ 41.664843][ T6013] __arm64_sys_ioctl+0x154/0x1cc [ 41.664852][ T6013] invoke_syscall+0x98/0x244 [ 41.664859][ T6013] el0_svc_common+0xec/0x23c [ 41.664867][ T6013] do_el0_svc+0x4c/0x5c [ 41.664874][ T6013] el0_svc+0x60/0x1d8 [ 41.664881][ T6013] el0t_64_sync_handler+0x44/0x104 [ 41.664888][ T6013] el0t_64_sync+0x198/0x19c [ 41.677913][ T6006] FAULT_INJECTION: forcing a failure. [ 41.677913][ T6006] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.677931][ T6006] CPU: 0 UID: 0 PID: 6006 Comm: syz.2.81 Not tainted syzkaller #0 PREEMPT [ 41.677942][ T6006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.677947][ T6006] Call trace: [ 41.677950][ T6006] show_stack+0x2c/0x3c (C) [ 41.677960][ T6006] __dump_stack+0x30/0x40 [ 41.677968][ T6006] dump_stack_lvl+0xd8/0x12c [ 41.677975][ T6006] dump_stack+0x1c/0x28 [ 41.677982][ T6006] should_fail_ex+0x418/0x58c [ 41.677991][ T6006] should_fail+0x14/0x24 [ 41.677999][ T6006] get_futex_key+0xd0c/0x12b0 [ 41.678009][ T6006] futex_wake+0x10c/0x594 [ 41.678016][ T6006] do_futex+0x2c4/0x378 [ 41.678025][ T6006] mm_exit_exec_release+0x190/0x27c [ 41.678035][ T6006] exit_mm+0x50/0x1f0 [ 41.678042][ T6006] do_exit+0x524/0x1a74 [ 41.678049][ T6006] do_group_exit+0x198/0x238 [ 41.678057][ T6006] get_signal+0xfb0/0x1094 [ 41.678065][ T6006] arch_do_signal_or_restart+0x288/0x444c [ 41.678073][ T6006] exit_to_user_mode_loop+0x70/0x17c [ 41.678083][ T6006] el0_svc+0x12c/0x1d8 [ 41.678090][ T6006] el0t_64_sync_handler+0x44/0x104 [ 41.678097][ T6006] el0t_64_sync+0x198/0x19c [ 41.695383][ T4856] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.705724][ T4863] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.705951][ T4863] EXT4-fs (loop2): Remounting filesystem read-only [ 41.706298][ T4856] EXT4-fs (loop1): Remounting filesystem read-only [ 41.710577][ T6014] FAULT_INJECTION: forcing a failure. [ 41.710577][ T6014] name fail_futex, interval 1, probability 0, space 0, times 0 [ 41.710597][ T6014] CPU: 0 UID: 0 PID: 6014 Comm: syz.3.80 Not tainted syzkaller #0 PREEMPT [ 41.710608][ T6014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.710613][ T6014] Call trace: [ 41.710616][ T6014] show_stack+0x2c/0x3c (C) [ 41.710629][ T6014] __dump_stack+0x30/0x40 [ 41.710638][ T6014] dump_stack_lvl+0xd8/0x12c [ 41.710646][ T6014] dump_stack+0x1c/0x28 [ 41.710653][ T6014] should_fail_ex+0x418/0x58c [ 41.710663][ T6014] should_fail+0x14/0x24 [ 41.710671][ T6014] get_futex_key+0xd0c/0x12b0 [ 41.710681][ T6014] futex_wake+0x10c/0x594 [ 41.710688][ T6014] do_futex+0x2c4/0x378 [ 41.710697][ T6014] mm_exit_exec_release+0x190/0x27c [ 41.710706][ T6014] exit_mm+0x50/0x1f0 [ 41.710714][ T6014] do_exit+0x524/0x1a74 [ 41.710721][ T6014] do_group_exit+0x198/0x238 [ 41.710728][ T6014] get_signal+0xfb0/0x1094 [ 41.710737][ T6014] arch_do_signal_or_restart+0x288/0x444c [ 41.710745][ T6014] exit_to_user_mode_loop+0x70/0x17c [ 41.710762][ T6014] el0_svc+0x12c/0x1d8 [ 41.710770][ T6014] el0t_64_sync_handler+0x44/0x104 [ 41.710777][ T6014] el0t_64_sync+0x198/0x19c [ 41.732484][ T6073] EXT4-fs: can't change dax mount option while remounting [ 41.741633][ T6008] FAULT_INJECTION: forcing a failure. [ 41.741633][ T6008] name failslab, interval 1, probability 0, space 0, times 0 [ 41.741649][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz.4.21 Not tainted syzkaller #0 PREEMPT [ 41.741659][ T6008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.741663][ T6008] Call trace: [ 41.741666][ T6008] show_stack+0x2c/0x3c (C) [ 41.741677][ T6008] __dump_stack+0x30/0x40 [ 41.741686][ T6008] dump_stack_lvl+0xd8/0x12c [ 41.741693][ T6008] dump_stack+0x1c/0x28 [ 41.741700][ T6008] should_fail_ex+0x418/0x58c [ 41.741709][ T6008] should_failslab+0xc4/0x120 [ 41.741717][ T6008] kmem_cache_alloc_noprof+0x94/0x5d4 [ 41.741726][ T6008] __kernfs_new_node+0xf0/0x7d8 [ 41.741734][ T6008] kernfs_new_node+0xe8/0x130 [ 41.741740][ T6008] __kernfs_create_file+0x60/0x2e0 [ 41.741748][ T6008] sysfs_add_file_mode_ns+0x1e8/0x2a4 [ 41.741763][ T6008] internal_create_group+0x550/0xb30 [ 41.741772][ T6008] internal_create_groups+0x64/0x138 [ 41.741780][ T6008] sysfs_create_groups+0x2c/0x3c [ 41.741789][ T6008] kobject_add_internal+0x2cc/0x6f0 [ 41.741799][ T6008] kobject_add_varg+0x9c/0xe8 [ 41.741807][ T6008] kobject_init_and_add+0xec/0x13c [ 41.741815][ T6008] dm_sysfs_init+0x74/0x84 [ 41.741827][ T6008] dm_setup_md_queue+0x27c/0x434 [ 41.741837][ T6008] table_load+0x3d4/0x764 [ 41.741846][ T6008] dm_ctl_ioctl+0x884/0xbbc [ 41.741854][ T6008] __arm64_sys_ioctl+0x154/0x1cc [ 41.741863][ T6008] invoke_syscall+0x98/0x244 [ 41.741870][ T6008] el0_svc_common+0xec/0x23c [ 41.741877][ T6008] do_el0_svc+0x4c/0x5c [ 41.741885][ T6008] el0_svc+0x60/0x1d8 [ 41.741891][ T6008] el0t_64_sync_handler+0x44/0x104 [ 41.741898][ T6008] el0t_64_sync+0x198/0x19c [ 41.742007][ T6008] kobject: kobject_add_internal failed for dm (error: -12 parent: dm-4) [ 41.744478][ T4869] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.744634][ T4869] EXT4-fs (loop3): Remounting filesystem read-only [ 41.773709][ T4855] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.775316][ T4855] EXT4-fs (loop0): Remounting filesystem read-only [ 41.816249][ T4986] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 41.824154][ T4986] EXT4-fs (loop4): Remounting filesystem read-only [ 41.848082][ T6008] device-mapper: ioctl: unable to set up device queue for new table. [ 41.865356][ T6071] Unable to handle kernel paging request at virtual address dfff80000000000f [ 41.865366][ T6071] KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f] [ 41.865372][ T6071] Mem abort info: [ 41.865376][ T6071] ESR = 0x0000000096000005 [ 41.865380][ T6071] EC = 0x25: DABT (current EL), IL = 32 bits [ 41.865385][ T6071] SET = 0, FnV = 0 [ 41.865389][ T6071] EA = 0, S1PTW = 0 [ 41.865393][ T6071] FSC = 0x05: level 1 translation fault [ 41.865397][ T6071] Data abort info: [ 41.865399][ T6071] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 41.865403][ T6071] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 41.865408][ T6071] GCS = 0, Overlay = 0, DirtyBit = 0 [ 41.865413][ T6071] [dfff80000000000f] address between user and kernel address ranges [ 41.865451][ T6071] Internal error: Oops: 0000000096000005 [#1] SMP [ 41.884054][ T6071] Modules linked in: [ 41.884919][ T6071] CPU: 0 UID: 0 PID: 6071 Comm: syz.4.21 Not tainted syzkaller #0 PREEMPT [ 41.886887][ T6071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 41.888290][ T6081] loop3: detected capacity change from 0 to 2048 [ 41.890716][ T6071] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 41.892584][ T6071] pc : blk_mq_exit_hctx+0x64/0x494 [ 41.893767][ T6071] lr : blk_mq_exit_hctx+0x40/0x494 [ 41.894996][ T6071] sp : ffff800095b175d0 [ 41.895976][ T6071] x29: ffff800095b175e0 x28: 0000000000000000 x27: 1fffe00018ccfb2a [ 41.897908][ T6071] x26: dfff800000000000 x25: ffff0000c667d950 x24: ffff0000eac7d600 [ 41.899817][ T6071] x23: 0000000000000078 x22: 0000000000000000 x21: ffff0000cde9e400 [ 41.901740][ T6071] x20: ffff0000c667d800 x19: ffff0000c8b58948 x18: ffff8001237ae000 [ 41.903559][ T6071] x17: ffff0001acf6ce07 x16: ffff0000eb0ed894 x15: 0000000000000001 [ 41.905423][ T6071] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 41.907115][ T6071] x11: 0000000000000000 x10: ffff0000c8b5897c x9 : 0000000000000000 [ 41.908978][ T6071] x8 : 000000000000000f x7 : 0000000000000000 x6 : 0000000000000000 [ 41.910732][ T6071] x5 : 0000000000000000 x4 : 0000000000000003 x3 : 0000000000000000 [ 41.912578][ T6071] x2 : ffff0000c667d800 x1 : ffff0000eb0ed880 x0 : 0000000000000000 [ 41.914381][ T6071] Call trace: [ 41.915011][ T6071] blk_mq_exit_hctx+0x64/0x494 (P) [ 41.915999][ T6071] __blk_mq_realloc_hw_ctxs+0x1f0/0x548 [ 41.917034][ T6071] blk_mq_init_allocated_queue+0x2a8/0xc44 [ 41.918268][ T6071] dm_mq_init_request_queue+0x2d8/0x474 [ 41.919510][ T6071] dm_setup_md_queue+0x134/0x434 [ 41.920606][ T6071] table_load+0x3d4/0x764 [ 41.921446][ T6071] dm_ctl_ioctl+0x884/0xbbc [ 41.922372][ T6071] __arm64_sys_ioctl+0x154/0x1cc [ 41.923466][ T6071] invoke_syscall+0x98/0x244 [ 41.924435][ T6071] el0_svc_common+0xec/0x23c [ 41.925349][ T6071] do_el0_svc+0x4c/0x5c [ 41.926136][ T6071] el0_svc+0x60/0x1d8 [ 41.926943][ T6071] el0t_64_sync_handler+0x44/0x104 [ 41.927982][ T6071] el0t_64_sync+0x198/0x19c [ 41.928942][ T6071] Code: 97cfdb27 f9400328 9101e117 d343fee8 (387a6908) [ 41.930288][ T6071] ---[ end trace 0000000000000000 ]--- [ 42.029915][ T6083] loop2: detected capacity change from 0 to 2048 [ 42.266767][ T6071] Kernel panic - not syncing: Oops: Fatal exception [ 42.269259][ T6071] SMP: stopping secondary CPUs [ 42.270197][ T6071] Kernel Offset: disabled [ 42.271089][ T6071] CPU features: 0x0,a0000000,00f00020,9c080a02,a84ff6a7 [ 42.272507][ T6071] Memory Limit: none [ 42.602729][ T6071] Rebooting in 86400 seconds..