[ 111.555468][ T8738] should_fail_ex+0x418/0x58c [ 111.555478][ T8738] should_failslab+0xc4/0x120 [ 111.555487][ T8738] __kmalloc_cache_noprof+0x94/0x5fc [ 111.555496][ T8738] __arm64_sys_timerfd_create+0x150/0x34c [ 111.555507][ T8738] invoke_syscall+0x98/0x244 [ 111.555515][ T8738] el0_svc_common+0xec/0x23c [ 111.555522][ T8738] do_el0_svc+0x4c/0x5c [ 111.555530][ T8738] el0_svc+0x60/0x1d8 [ 111.555538][ T8738] el0t_64_sync_handler+0x44/0x104 [ 111.555546][ T8738] el0t_64_sync+0x198/0x19c [ 111.555717][ T8738] EXT4-fs: can't change dax mount option while remounting [ 111.561714][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.564607][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 111.567111][ T8740] FAULT_INJECTION: forcing a failure. [ 111.567111][ T8740] name failslab, interval 1, probability 0, space 0, times 0 [ 111.567127][ T8740] CPU: 0 UID: 0 PID: 8740 Comm: syz.1.605 Not tainted syzkaller #0 PREEMPT [ 111.567137][ T8740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.567143][ T8740] Call trace: [ 111.567146][ T8740] show_stack+0x2c/0x3c (C) [ 111.567161][ T8740] __dump_stack+0x30/0x40 [ 111.567170][ T8740] dump_stack_lvl+0xd8/0x12c [ 111.567178][ T8740] dump_stack+0x1c/0x28 [ 111.567185][ T8740] should_fail_ex+0x418/0x58c [ 111.567195][ T8740] should_failslab+0xc4/0x120 [ 111.567204][ T8740] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.567214][ T8740] __d_alloc+0x50/0x600 [ 111.567224][ T8740] d_alloc_pseudo+0x2c/0xd8 [ 111.567233][ T8740] alloc_path_pseudo+0xe8/0x1d4 [ 111.567243][ T8740] alloc_file_pseudo+0xb0/0x198 [ 111.567252][ T8740] __anon_inode_getfile+0x118/0x1c8 [ 111.567262][ T8740] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.567270][ T8740] __arm64_sys_timerfd_create+0x274/0x34c [ 111.567279][ T8740] invoke_syscall+0x98/0x244 [ 111.567287][ T8740] el0_svc_common+0xec/0x23c [ 111.567295][ T8740] do_el0_svc+0x4c/0x5c [ 111.567302][ T8740] el0_svc+0x60/0x1d8 [ 111.567310][ T8740] el0t_64_sync_handler+0x44/0x104 [ 111.567318][ T8740] el0t_64_sync+0x198/0x19c [ 111.567540][ T8740] EXT4-fs: can't change dax mount option while remounting [ 111.571855][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.572222][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 111.710786][ T8759] FAULT_INJECTION: forcing a failure. [ 111.710786][ T8759] name failslab, interval 1, probability 0, space 0, times 0 [ 111.710806][ T8759] CPU: 1 UID: 0 PID: 8759 Comm: syz.2.607 Not tainted syzkaller #0 PREEMPT [ 111.710817][ T8759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.710822][ T8759] Call trace: [ 111.710826][ T8759] show_stack+0x2c/0x3c (C) [ 111.710842][ T8759] __dump_stack+0x30/0x40 [ 111.710851][ T8759] dump_stack_lvl+0xd8/0x12c [ 111.710858][ T8759] dump_stack+0x1c/0x28 [ 111.710866][ T8759] should_fail_ex+0x418/0x58c [ 111.710875][ T8759] should_failslab+0xc4/0x120 [ 111.710885][ T8759] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.710895][ T8759] __d_alloc+0x50/0x600 [ 111.710904][ T8759] d_alloc_pseudo+0x2c/0xd8 [ 111.710913][ T8759] alloc_path_pseudo+0xe8/0x1d4 [ 111.710923][ T8759] alloc_file_pseudo+0xb0/0x198 [ 111.710932][ T8759] __anon_inode_getfile+0x118/0x1c8 [ 111.710941][ T8759] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.710950][ T8759] __arm64_sys_timerfd_create+0x274/0x34c [ 111.710959][ T8759] invoke_syscall+0x98/0x244 [ 111.710967][ T8759] el0_svc_common+0xec/0x23c [ 111.710974][ T8759] do_el0_svc+0x4c/0x5c [ 111.710982][ T8759] el0_svc+0x60/0x1d8 [ 111.710990][ T8759] el0t_64_sync_handler+0x44/0x104 [ 111.710998][ T8759] el0t_64_sync+0x198/0x19c [ 111.711162][ T8759] EXT4-fs: can't change dax mount option while remounting [ 111.768582][ T8756] FAULT_INJECTION: forcing a failure. [ 111.768582][ T8756] name failslab, interval 1, probability 0, space 0, times 0 [ 111.768601][ T8756] CPU: 0 UID: 0 PID: 8756 Comm: syz.3.606 Not tainted syzkaller #0 PREEMPT [ 111.768612][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.768617][ T8756] Call trace: [ 111.768621][ T8756] show_stack+0x2c/0x3c (C) [ 111.768636][ T8756] __dump_stack+0x30/0x40 [ 111.768644][ T8756] dump_stack_lvl+0xd8/0x12c [ 111.768652][ T8756] dump_stack+0x1c/0x28 [ 111.768659][ T8756] should_fail_ex+0x418/0x58c [ 111.768669][ T8756] should_failslab+0xc4/0x120 [ 111.768678][ T8756] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.768687][ T8756] __d_alloc+0x50/0x600 [ 111.768697][ T8756] d_alloc_pseudo+0x2c/0xd8 [ 111.768706][ T8756] alloc_path_pseudo+0xe8/0x1d4 [ 111.768716][ T8756] alloc_file_pseudo+0xb0/0x198 [ 111.768725][ T8756] __anon_inode_getfile+0x118/0x1c8 [ 111.768734][ T8756] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.768743][ T8756] __arm64_sys_timerfd_create+0x274/0x34c [ 111.768752][ T8756] invoke_syscall+0x98/0x244 [ 111.768760][ T8756] el0_svc_common+0xec/0x23c [ 111.768767][ T8756] do_el0_svc+0x4c/0x5c [ 111.768775][ T8756] el0_svc+0x60/0x1d8 [ 111.768783][ T8756] el0t_64_sync_handler+0x44/0x104 [ 111.768790][ T8756] el0t_64_sync+0x198/0x19c [ 111.768937][ T8756] EXT4-fs: can't change dax mount option while remounting [ 111.813345][ T8759] FAULT_INJECTION: forcing a failure. [ 111.813345][ T8759] name failslab, interval 1, probability 0, space 0, times 0 [ 111.813379][ T8759] CPU: 1 UID: 0 PID: 8759 Comm: syz.2.607 Not tainted syzkaller #0 PREEMPT [ 111.813390][ T8759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.813396][ T8759] Call trace: [ 111.813399][ T8759] show_stack+0x2c/0x3c (C) [ 111.813416][ T8759] __dump_stack+0x30/0x40 [ 111.813427][ T8759] dump_stack_lvl+0xd8/0x12c [ 111.813437][ T8759] dump_stack+0x1c/0x28 [ 111.813444][ T8759] should_fail_ex+0x418/0x58c [ 111.813454][ T8759] should_failslab+0xc4/0x120 [ 111.813464][ T8759] __kmalloc_cache_noprof+0x94/0x5fc [ 111.813473][ T8759] __arm64_sys_timerfd_create+0x150/0x34c [ 111.813484][ T8759] invoke_syscall+0x98/0x244 [ 111.813491][ T8759] el0_svc_common+0xec/0x23c [ 111.813499][ T8759] do_el0_svc+0x4c/0x5c [ 111.813506][ T8759] el0_svc+0x60/0x1d8 [ 111.813514][ T8759] el0t_64_sync_handler+0x44/0x104 [ 111.813522][ T8759] el0t_64_sync+0x198/0x19c [ 111.814452][ T8759] EXT4-fs: can't change dax mount option while remounting [ 111.820870][ T8756] FAULT_INJECTION: forcing a failure. [ 111.820870][ T8756] name failslab, interval 1, probability 0, space 0, times 0 [ 111.820887][ T8756] CPU: 0 UID: 0 PID: 8756 Comm: syz.3.606 Not tainted syzkaller #0 PREEMPT [ 111.820897][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.820902][ T8756] Call trace: [ 111.820905][ T8756] show_stack+0x2c/0x3c (C) [ 111.820918][ T8756] __dump_stack+0x30/0x40 [ 111.820926][ T8756] dump_stack_lvl+0xd8/0x12c [ 111.820934][ T8756] dump_stack+0x1c/0x28 [ 111.820941][ T8756] should_fail_ex+0x418/0x58c [ 111.820951][ T8756] should_failslab+0xc4/0x120 [ 111.820960][ T8756] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.820969][ T8756] __d_alloc+0x50/0x600 [ 111.820978][ T8756] d_alloc_pseudo+0x2c/0xd8 [ 111.820987][ T8756] alloc_path_pseudo+0xe8/0x1d4 [ 111.820997][ T8756] alloc_file_pseudo+0xb0/0x198 [ 111.821005][ T8756] __anon_inode_getfile+0x118/0x1c8 [ 111.821014][ T8756] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.821023][ T8756] __arm64_sys_timerfd_create+0x274/0x34c [ 111.821032][ T8756] invoke_syscall+0x98/0x244 [ 111.821040][ T8756] el0_svc_common+0xec/0x23c [ 111.821053][ T8756] do_el0_svc+0x4c/0x5c [ 111.821060][ T8756] el0_svc+0x60/0x1d8 [ 111.821069][ T8756] el0t_64_sync_handler+0x44/0x104 [ 111.821077][ T8756] el0t_64_sync+0x198/0x19c [ 111.821219][ T8756] EXT4-fs: can't change dax mount option while remounting [ 111.824466][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.824651][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 111.831872][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.832306][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 111.834586][ T13] bridge_slave_1: left allmulticast mode [ 111.834602][ T13] bridge_slave_1: left promiscuous mode [ 111.834691][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.844463][ T8767] FAULT_INJECTION: forcing a failure. [ 111.844463][ T8767] name failslab, interval 1, probability 0, space 0, times 0 [ 111.844480][ T8767] CPU: 0 UID: 0 PID: 8767 Comm: syz.1.609 Not tainted syzkaller #0 PREEMPT [ 111.844490][ T8767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.844495][ T8767] Call trace: [ 111.844498][ T8767] show_stack+0x2c/0x3c (C) [ 111.844512][ T8767] __dump_stack+0x30/0x40 [ 111.844521][ T8767] dump_stack_lvl+0xd8/0x12c [ 111.844528][ T8767] dump_stack+0x1c/0x28 [ 111.844536][ T8767] should_fail_ex+0x418/0x58c [ 111.844545][ T8767] should_failslab+0xc4/0x120 [ 111.844554][ T8767] __kmalloc_cache_noprof+0x94/0x5fc [ 111.844564][ T8767] __arm64_sys_timerfd_create+0x150/0x34c [ 111.844574][ T8767] invoke_syscall+0x98/0x244 [ 111.844582][ T8767] el0_svc_common+0xec/0x23c [ 111.844590][ T8767] do_el0_svc+0x4c/0x5c [ 111.844598][ T8767] el0_svc+0x60/0x1d8 [ 111.844606][ T8767] el0t_64_sync_handler+0x44/0x104 [ 111.844613][ T8767] el0t_64_sync+0x198/0x19c [ 111.844771][ T8767] EXT4-fs: can't change dax mount option while remounting [ 111.856793][ T8767] FAULT_INJECTION: forcing a failure. [ 111.856793][ T8767] name failslab, interval 1, probability 0, space 0, times 0 [ 111.856810][ T8767] CPU: 0 UID: 0 PID: 8767 Comm: syz.1.609 Not tainted syzkaller #0 PREEMPT [ 111.856820][ T8767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.856825][ T8767] Call trace: [ 111.856828][ T8767] show_stack+0x2c/0x3c (C) [ 111.856843][ T8767] __dump_stack+0x30/0x40 [ 111.856852][ T8767] dump_stack_lvl+0xd8/0x12c [ 111.856860][ T8767] dump_stack+0x1c/0x28 [ 111.856867][ T8767] should_fail_ex+0x418/0x58c [ 111.856878][ T8767] should_failslab+0xc4/0x120 [ 111.856889][ T8767] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.856900][ T8767] __d_alloc+0x50/0x600 [ 111.856911][ T8767] d_alloc_pseudo+0x2c/0xd8 [ 111.856920][ T8767] alloc_path_pseudo+0xe8/0x1d4 [ 111.856930][ T8767] alloc_file_pseudo+0xb0/0x198 [ 111.856939][ T8767] __anon_inode_getfile+0x118/0x1c8 [ 111.856949][ T8767] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.856957][ T8767] __arm64_sys_timerfd_create+0x274/0x34c [ 111.856966][ T8767] invoke_syscall+0x98/0x244 [ 111.856975][ T8767] el0_svc_common+0xec/0x23c [ 111.856983][ T8767] do_el0_svc+0x4c/0x5c [ 111.856990][ T8767] el0_svc+0x60/0x1d8 [ 111.856999][ T8767] el0t_64_sync_handler+0x44/0x104 [ 111.857007][ T8767] el0t_64_sync+0x198/0x19c [ 111.857148][ T8767] EXT4-fs: can't change dax mount option while remounting [ 111.861466][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.861652][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 111.872339][ T13] bridge_slave_0: left allmulticast mode [ 111.872356][ T13] bridge_slave_0: left promiscuous mode [ 111.872443][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.895593][ T8762] FAULT_INJECTION: forcing a failure. [ 111.895593][ T8762] name failslab, interval 1, probability 0, space 0, times 0 [ 111.895612][ T8762] CPU: 0 UID: 0 PID: 8762 Comm: syz.0.608 Not tainted syzkaller #0 PREEMPT [ 111.895622][ T8762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.895628][ T8762] Call trace: [ 111.895631][ T8762] show_stack+0x2c/0x3c (C) [ 111.895646][ T8762] __dump_stack+0x30/0x40 [ 111.895655][ T8762] dump_stack_lvl+0xd8/0x12c [ 111.895663][ T8762] dump_stack+0x1c/0x28 [ 111.895670][ T8762] should_fail_ex+0x418/0x58c [ 111.895680][ T8762] should_failslab+0xc4/0x120 [ 111.895689][ T8762] __kmalloc_cache_noprof+0x94/0x5fc [ 111.895699][ T8762] __arm64_sys_timerfd_create+0x150/0x34c [ 111.895709][ T8762] invoke_syscall+0x98/0x244 [ 111.895717][ T8762] el0_svc_common+0xec/0x23c [ 111.895725][ T8762] do_el0_svc+0x4c/0x5c [ 111.895733][ T8762] el0_svc+0x60/0x1d8 [ 111.895741][ T8762] el0t_64_sync_handler+0x44/0x104 [ 111.895748][ T8762] el0t_64_sync+0x198/0x19c [ 111.896011][ T8762] EXT4-fs: can't change dax mount option while remounting [ 111.933186][ T8762] FAULT_INJECTION: forcing a failure. [ 111.933186][ T8762] name failslab, interval 1, probability 0, space 0, times 0 [ 111.933205][ T8762] CPU: 0 UID: 0 PID: 8762 Comm: syz.0.608 Not tainted syzkaller #0 PREEMPT [ 111.933215][ T8762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 111.933221][ T8762] Call trace: [ 111.933224][ T8762] show_stack+0x2c/0x3c (C) [ 111.933239][ T8762] __dump_stack+0x30/0x40 [ 111.933247][ T8762] dump_stack_lvl+0xd8/0x12c [ 111.933255][ T8762] dump_stack+0x1c/0x28 [ 111.933262][ T8762] should_fail_ex+0x418/0x58c [ 111.933271][ T8762] should_failslab+0xc4/0x120 [ 111.933281][ T8762] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 111.933290][ T8762] __d_alloc+0x50/0x600 [ 111.933300][ T8762] d_alloc_pseudo+0x2c/0xd8 [ 111.933309][ T8762] alloc_path_pseudo+0xe8/0x1d4 [ 111.933319][ T8762] alloc_file_pseudo+0xb0/0x198 [ 111.933328][ T8762] __anon_inode_getfile+0x118/0x1c8 [ 111.933337][ T8762] anon_inode_getfile_fmode+0x4c/0xc0 [ 111.933346][ T8762] __arm64_sys_timerfd_create+0x274/0x34c [ 111.933355][ T8762] invoke_syscall+0x98/0x244 [ 111.933363][ T8762] el0_svc_common+0xec/0x23c [ 111.933371][ T8762] do_el0_svc+0x4c/0x5c [ 111.933378][ T8762] el0_svc+0x60/0x1d8 [ 111.933387][ T8762] el0t_64_sync_handler+0x44/0x104 [ 111.933394][ T8762] el0t_64_sync+0x198/0x19c [ 111.933767][ T8762] EXT4-fs: can't change dax mount option while remounting [ 111.944844][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 111.954897][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 112.097159][ T8783] FAULT_INJECTION: forcing a failure. [ 112.097159][ T8783] name failslab, interval 1, probability 0, space 0, times 0 [ 112.097192][ T8783] CPU: 0 UID: 0 PID: 8783 Comm: syz.1.612 Not tainted syzkaller #0 PREEMPT [ 112.097202][ T8783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.097208][ T8783] Call trace: [ 112.097211][ T8783] show_stack+0x2c/0x3c (C) [ 112.097227][ T8783] __dump_stack+0x30/0x40 [ 112.097235][ T8783] dump_stack_lvl+0xd8/0x12c [ 112.097243][ T8783] dump_stack+0x1c/0x28 [ 112.097250][ T8783] should_fail_ex+0x418/0x58c [ 112.097260][ T8783] should_failslab+0xc4/0x120 [ 112.097269][ T8783] __kmalloc_cache_noprof+0x94/0x5fc [ 112.097279][ T8783] __arm64_sys_timerfd_create+0x150/0x34c [ 112.097289][ T8783] invoke_syscall+0x98/0x244 [ 112.097297][ T8783] el0_svc_common+0xec/0x23c [ 112.097305][ T8783] do_el0_svc+0x4c/0x5c [ 112.097312][ T8783] el0_svc+0x60/0x1d8 [ 112.097320][ T8783] el0t_64_sync_handler+0x44/0x104 [ 112.097328][ T8783] el0t_64_sync+0x198/0x19c [ 112.122159][ T8783] EXT4-fs: can't change dax mount option while remounting [ 112.123420][ T8786] FAULT_INJECTION: forcing a failure. [ 112.123420][ T8786] name failslab, interval 1, probability 0, space 0, times 0 [ 112.123453][ T8786] CPU: 1 UID: 0 PID: 8786 Comm: syz.3.610 Not tainted syzkaller #0 PREEMPT [ 112.123463][ T8786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.123469][ T8786] Call trace: [ 112.123472][ T8786] show_stack+0x2c/0x3c (C) [ 112.123486][ T8786] __dump_stack+0x30/0x40 [ 112.123495][ T8786] dump_stack_lvl+0xd8/0x12c [ 112.123502][ T8786] dump_stack+0x1c/0x28 [ 112.123510][ T8786] should_fail_ex+0x418/0x58c [ 112.123520][ T8786] should_failslab+0xc4/0x120 [ 112.123529][ T8786] __kmalloc_cache_noprof+0x94/0x5fc [ 112.123538][ T8786] __arm64_sys_timerfd_create+0x150/0x34c [ 112.123549][ T8786] invoke_syscall+0x98/0x244 [ 112.123557][ T8786] el0_svc_common+0xec/0x23c [ 112.123564][ T8786] do_el0_svc+0x4c/0x5c [ 112.123572][ T8786] el0_svc+0x60/0x1d8 [ 112.123580][ T8786] el0t_64_sync_handler+0x44/0x104 [ 112.123588][ T8786] el0t_64_sync+0x198/0x19c [ 112.124094][ T8786] EXT4-fs: can't change dax mount option while remounting [ 112.125015][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.136864][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 112.143303][ T8785] FAULT_INJECTION: forcing a failure. [ 112.143303][ T8785] name failslab, interval 1, probability 0, space 0, times 0 [ 112.143333][ T8785] CPU: 1 UID: 0 PID: 8785 Comm: syz.2.611 Not tainted syzkaller #0 PREEMPT [ 112.143343][ T8785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.143349][ T8785] Call trace: [ 112.143352][ T8785] show_stack+0x2c/0x3c (C) [ 112.143367][ T8785] __dump_stack+0x30/0x40 [ 112.143376][ T8785] dump_stack_lvl+0xd8/0x12c [ 112.143384][ T8785] dump_stack+0x1c/0x28 [ 112.143391][ T8785] should_fail_ex+0x418/0x58c [ 112.143401][ T8785] should_failslab+0xc4/0x120 [ 112.143410][ T8785] __kmalloc_cache_noprof+0x94/0x5fc [ 112.143419][ T8785] __arm64_sys_timerfd_create+0x150/0x34c [ 112.143429][ T8785] invoke_syscall+0x98/0x244 [ 112.143437][ T8785] el0_svc_common+0xec/0x23c [ 112.143444][ T8785] do_el0_svc+0x4c/0x5c [ 112.143451][ T8785] el0_svc+0x60/0x1d8 [ 112.143460][ T8785] el0t_64_sync_handler+0x44/0x104 [ 112.143467][ T8785] el0t_64_sync+0x198/0x19c [ 112.147343][ T8785] EXT4-fs: can't change dax mount option while remounting [ 112.154218][ T13] bond0 (unregistering): Released all slaves [ 112.163153][ T8788] FAULT_INJECTION: forcing a failure. [ 112.163153][ T8788] name failslab, interval 1, probability 0, space 0, times 0 [ 112.163173][ T8788] CPU: 1 UID: 0 PID: 8788 Comm: syz.0.613 Not tainted syzkaller #0 PREEMPT [ 112.163185][ T8788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.163191][ T8788] Call trace: [ 112.163195][ T8788] show_stack+0x2c/0x3c (C) [ 112.163210][ T8788] __dump_stack+0x30/0x40 [ 112.163219][ T8788] dump_stack_lvl+0xd8/0x12c [ 112.163227][ T8788] dump_stack+0x1c/0x28 [ 112.163234][ T8788] should_fail_ex+0x418/0x58c [ 112.163244][ T8788] should_failslab+0xc4/0x120 [ 112.163253][ T8788] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.163262][ T8788] __d_alloc+0x50/0x600 [ 112.163272][ T8788] d_alloc_pseudo+0x2c/0xd8 [ 112.163281][ T8788] alloc_path_pseudo+0xe8/0x1d4 [ 112.163290][ T8788] alloc_file_pseudo+0xb0/0x198 [ 112.163299][ T8788] __anon_inode_getfile+0x118/0x1c8 [ 112.163309][ T8788] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.163317][ T8788] __arm64_sys_timerfd_create+0x274/0x34c [ 112.163326][ T8788] invoke_syscall+0x98/0x244 [ 112.163334][ T8788] el0_svc_common+0xec/0x23c [ 112.163342][ T8788] do_el0_svc+0x4c/0x5c [ 112.163349][ T8788] el0_svc+0x60/0x1d8 [ 112.163358][ T8788] el0t_64_sync_handler+0x44/0x104 [ 112.163365][ T8788] el0t_64_sync+0x198/0x19c [ 112.163518][ T8788] EXT4-fs: can't change dax mount option while remounting [ 112.175983][ T8786] FAULT_INJECTION: forcing a failure. [ 112.175983][ T8786] name failslab, interval 1, probability 0, space 0, times 0 [ 112.175999][ T8786] CPU: 1 UID: 0 PID: 8786 Comm: syz.3.610 Not tainted syzkaller #0 PREEMPT [ 112.176009][ T8786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.176014][ T8786] Call trace: [ 112.176018][ T8786] show_stack+0x2c/0x3c (C) [ 112.176031][ T8786] __dump_stack+0x30/0x40 [ 112.176039][ T8786] dump_stack_lvl+0xd8/0x12c [ 112.176046][ T8786] dump_stack+0x1c/0x28 [ 112.176053][ T8786] should_fail_ex+0x418/0x58c [ 112.176069][ T8786] should_failslab+0xc4/0x120 [ 112.176079][ T8786] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.176089][ T8786] __d_alloc+0x50/0x600 [ 112.176101][ T8786] d_alloc_pseudo+0x2c/0xd8 [ 112.176110][ T8786] alloc_path_pseudo+0xe8/0x1d4 [ 112.176120][ T8786] alloc_file_pseudo+0xb0/0x198 [ 112.176129][ T8786] __anon_inode_getfile+0x118/0x1c8 [ 112.176138][ T8786] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.176146][ T8786] __arm64_sys_timerfd_create+0x274/0x34c [ 112.176155][ T8786] invoke_syscall+0x98/0x244 [ 112.176163][ T8786] el0_svc_common+0xec/0x23c [ 112.176171][ T8786] do_el0_svc+0x4c/0x5c [ 112.176178][ T8786] el0_svc+0x60/0x1d8 [ 112.176186][ T8786] el0t_64_sync_handler+0x44/0x104 [ 112.176197][ T8786] el0t_64_sync+0x198/0x19c [ 112.179147][ T8786] EXT4-fs: can't change dax mount option while remounting [ 112.188897][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.189276][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 112.228561][ T8783] FAULT_INJECTION: forcing a failure. [ 112.228561][ T8783] name failslab, interval 1, probability 0, space 0, times 0 [ 112.228581][ T8783] CPU: 1 UID: 0 PID: 8783 Comm: syz.1.612 Not tainted syzkaller #0 PREEMPT [ 112.228591][ T8783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.228597][ T8783] Call trace: [ 112.228601][ T8783] show_stack+0x2c/0x3c (C) [ 112.228616][ T8783] __dump_stack+0x30/0x40 [ 112.228624][ T8783] dump_stack_lvl+0xd8/0x12c [ 112.228632][ T8783] dump_stack+0x1c/0x28 [ 112.228639][ T8783] should_fail_ex+0x418/0x58c [ 112.228649][ T8783] should_failslab+0xc4/0x120 [ 112.228659][ T8783] __kmalloc_cache_noprof+0x94/0x5fc [ 112.228668][ T8783] __arm64_sys_timerfd_create+0x150/0x34c [ 112.228679][ T8783] invoke_syscall+0x98/0x244 [ 112.228687][ T8783] el0_svc_common+0xec/0x23c [ 112.228695][ T8783] do_el0_svc+0x4c/0x5c [ 112.228702][ T8783] el0_svc+0x60/0x1d8 [ 112.228711][ T8783] el0t_64_sync_handler+0x44/0x104 [ 112.228718][ T8783] el0t_64_sync+0x198/0x19c [ 112.229052][ T8788] FAULT_INJECTION: forcing a failure. [ 112.229052][ T8788] name failslab, interval 1, probability 0, space 0, times 0 [ 112.229074][ T8788] CPU: 1 UID: 0 PID: 8788 Comm: syz.0.613 Not tainted syzkaller #0 PREEMPT [ 112.229088][ T8788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.229094][ T8788] Call trace: [ 112.229098][ T8788] show_stack+0x2c/0x3c (C) [ 112.229108][ T8788] __dump_stack+0x30/0x40 [ 112.229116][ T8788] dump_stack_lvl+0xd8/0x12c [ 112.229124][ T8788] dump_stack+0x1c/0x28 [ 112.229131][ T8788] should_fail_ex+0x418/0x58c [ 112.229140][ T8788] should_failslab+0xc4/0x120 [ 112.229148][ T8788] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.229157][ T8788] __d_alloc+0x50/0x600 [ 112.229167][ T8788] d_alloc_pseudo+0x2c/0xd8 [ 112.229176][ T8788] alloc_path_pseudo+0xe8/0x1d4 [ 112.229185][ T8788] alloc_file_pseudo+0xb0/0x198 [ 112.229194][ T8788] __anon_inode_getfile+0x118/0x1c8 [ 112.229203][ T8788] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.229211][ T8788] __arm64_sys_timerfd_create+0x274/0x34c [ 112.229220][ T8788] invoke_syscall+0x98/0x244 [ 112.229228][ T8788] el0_svc_common+0xec/0x23c [ 112.229235][ T8788] do_el0_svc+0x4c/0x5c [ 112.229242][ T8788] el0_svc+0x60/0x1d8 [ 112.229249][ T8788] el0t_64_sync_handler+0x44/0x104 [ 112.229256][ T8788] el0t_64_sync+0x198/0x19c [ 112.229405][ T8788] EXT4-fs: can't change dax mount option while remounting [ 112.229823][ T8783] EXT4-fs: can't change dax mount option while remounting [ 112.241876][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.242338][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.244013][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 112.245525][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 112.251844][ T8785] FAULT_INJECTION: forcing a failure. [ 112.251844][ T8785] name failslab, interval 1, probability 0, space 0, times 0 [ 112.251860][ T8785] CPU: 1 UID: 0 PID: 8785 Comm: syz.2.611 Not tainted syzkaller #0 PREEMPT [ 112.251870][ T8785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.251875][ T8785] Call trace: [ 112.251878][ T8785] show_stack+0x2c/0x3c (C) [ 112.251891][ T8785] __dump_stack+0x30/0x40 [ 112.251900][ T8785] dump_stack_lvl+0xd8/0x12c [ 112.251907][ T8785] dump_stack+0x1c/0x28 [ 112.251914][ T8785] should_fail_ex+0x418/0x58c [ 112.251924][ T8785] should_failslab+0xc4/0x120 [ 112.251933][ T8785] __kmalloc_cache_noprof+0x94/0x5fc [ 112.251942][ T8785] __arm64_sys_timerfd_create+0x150/0x34c [ 112.251952][ T8785] invoke_syscall+0x98/0x244 [ 112.251960][ T8785] el0_svc_common+0xec/0x23c [ 112.251968][ T8785] do_el0_svc+0x4c/0x5c [ 112.251975][ T8785] el0_svc+0x60/0x1d8 [ 112.251983][ T8785] el0t_64_sync_handler+0x44/0x104 [ 112.251991][ T8785] el0t_64_sync+0x198/0x19c [ 112.253363][ T8785] EXT4-fs: can't change dax mount option while remounting [ 112.267463][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.267864][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 112.407668][ T8808] FAULT_INJECTION: forcing a failure. [ 112.407668][ T8808] name failslab, interval 1, probability 0, space 0, times 0 [ 112.407688][ T8808] CPU: 0 UID: 0 PID: 8808 Comm: syz.3.614 Not tainted syzkaller #0 PREEMPT [ 112.407698][ T8808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.407704][ T8808] Call trace: [ 112.407707][ T8808] show_stack+0x2c/0x3c (C) [ 112.407722][ T8808] __dump_stack+0x30/0x40 [ 112.407731][ T8808] dump_stack_lvl+0xd8/0x12c [ 112.407738][ T8808] dump_stack+0x1c/0x28 [ 112.407745][ T8808] should_fail_ex+0x418/0x58c [ 112.407755][ T8808] should_failslab+0xc4/0x120 [ 112.407765][ T8808] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.407774][ T8808] __d_alloc+0x50/0x600 [ 112.407784][ T8808] d_alloc_pseudo+0x2c/0xd8 [ 112.407793][ T8808] alloc_path_pseudo+0xe8/0x1d4 [ 112.407802][ T8808] alloc_file_pseudo+0xb0/0x198 [ 112.407811][ T8808] __anon_inode_getfile+0x118/0x1c8 [ 112.407821][ T8808] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.407830][ T8808] __arm64_sys_timerfd_create+0x274/0x34c [ 112.407839][ T8808] invoke_syscall+0x98/0x244 [ 112.407848][ T8808] el0_svc_common+0xec/0x23c [ 112.407855][ T8808] do_el0_svc+0x4c/0x5c [ 112.407863][ T8808] el0_svc+0x60/0x1d8 [ 112.407871][ T8808] el0t_64_sync_handler+0x44/0x104 [ 112.407878][ T8808] el0t_64_sync+0x198/0x19c [ 112.433576][ T8808] EXT4-fs: can't change dax mount option while remounting [ 112.462773][ T8817] FAULT_INJECTION: forcing a failure. [ 112.462773][ T8817] name failslab, interval 1, probability 0, space 0, times 0 [ 112.462793][ T8817] CPU: 1 UID: 0 PID: 8817 Comm: syz.0.615 Not tainted syzkaller #0 PREEMPT [ 112.462804][ T8817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.462809][ T8817] Call trace: [ 112.462813][ T8817] show_stack+0x2c/0x3c (C) [ 112.462828][ T8817] __dump_stack+0x30/0x40 [ 112.462837][ T8817] dump_stack_lvl+0xd8/0x12c [ 112.462845][ T8817] dump_stack+0x1c/0x28 [ 112.462852][ T8817] should_fail_ex+0x418/0x58c [ 112.462863][ T8817] should_failslab+0xc4/0x120 [ 112.462872][ T8817] __kmalloc_cache_noprof+0x94/0x5fc [ 112.462882][ T8817] __arm64_sys_timerfd_create+0x150/0x34c [ 112.462892][ T8817] invoke_syscall+0x98/0x244 [ 112.462901][ T8817] el0_svc_common+0xec/0x23c [ 112.462908][ T8817] do_el0_svc+0x4c/0x5c [ 112.462915][ T8817] el0_svc+0x60/0x1d8 [ 112.462924][ T8817] el0t_64_sync_handler+0x44/0x104 [ 112.462932][ T8817] el0t_64_sync+0x198/0x19c [ 112.463463][ T8817] EXT4-fs: can't change dax mount option while remounting [ 112.506340][ T8817] FAULT_INJECTION: forcing a failure. [ 112.506340][ T8817] name failslab, interval 1, probability 0, space 0, times 0 [ 112.506361][ T8817] CPU: 0 UID: 0 PID: 8817 Comm: syz.0.615 Not tainted syzkaller #0 PREEMPT [ 112.506372][ T8817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.506377][ T8817] Call trace: [ 112.506380][ T8817] show_stack+0x2c/0x3c (C) [ 112.506395][ T8817] __dump_stack+0x30/0x40 [ 112.506404][ T8817] dump_stack_lvl+0xd8/0x12c [ 112.506412][ T8817] dump_stack+0x1c/0x28 [ 112.506419][ T8817] should_fail_ex+0x418/0x58c [ 112.506429][ T8817] should_failslab+0xc4/0x120 [ 112.506438][ T8817] __kmalloc_cache_noprof+0x94/0x5fc [ 112.506448][ T8817] __arm64_sys_timerfd_create+0x150/0x34c [ 112.506458][ T8817] invoke_syscall+0x98/0x244 [ 112.506466][ T8817] el0_svc_common+0xec/0x23c [ 112.506474][ T8817] do_el0_svc+0x4c/0x5c [ 112.506481][ T8817] el0_svc+0x60/0x1d8 [ 112.506489][ T8817] el0t_64_sync_handler+0x44/0x104 [ 112.506497][ T8817] el0t_64_sync+0x198/0x19c [ 112.507227][ T8817] EXT4-fs: can't change dax mount option while remounting [ 112.507802][ T8824] FAULT_INJECTION: forcing a failure. [ 112.507802][ T8824] name failslab, interval 1, probability 0, space 0, times 0 [ 112.507814][ T8824] CPU: 0 UID: 0 PID: 8824 Comm: syz.1.616 Not tainted syzkaller #0 PREEMPT [ 112.507824][ T8824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.507829][ T8824] Call trace: [ 112.507832][ T8824] show_stack+0x2c/0x3c (C) [ 112.507842][ T8824] __dump_stack+0x30/0x40 [ 112.507851][ T8824] dump_stack_lvl+0xd8/0x12c [ 112.507859][ T8824] dump_stack+0x1c/0x28 [ 112.507866][ T8824] should_fail_ex+0x418/0x58c [ 112.507875][ T8824] should_failslab+0xc4/0x120 [ 112.507883][ T8824] __kmalloc_cache_noprof+0x94/0x5fc [ 112.507892][ T8824] __arm64_sys_timerfd_create+0x150/0x34c [ 112.507902][ T8824] invoke_syscall+0x98/0x244 [ 112.507910][ T8824] el0_svc_common+0xec/0x23c [ 112.507917][ T8824] do_el0_svc+0x4c/0x5c [ 112.507924][ T8824] el0_svc+0x60/0x1d8 [ 112.507932][ T8824] el0t_64_sync_handler+0x44/0x104 [ 112.507939][ T8824] el0t_64_sync+0x198/0x19c [ 112.508074][ T8824] EXT4-fs: can't change dax mount option while remounting [ 112.532912][ T8699] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.532944][ T8699] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.533038][ T8699] bridge_slave_0: entered allmulticast mode [ 112.533492][ T8699] bridge_slave_0: entered promiscuous mode [ 112.534231][ T8699] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.534252][ T8699] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.534300][ T8699] bridge_slave_1: entered allmulticast mode [ 112.535946][ T8699] bridge_slave_1: entered promiscuous mode [ 112.551098][ T8808] FAULT_INJECTION: forcing a failure. [ 112.551098][ T8808] name failslab, interval 1, probability 0, space 0, times 0 [ 112.551121][ T8808] CPU: 1 UID: 0 PID: 8808 Comm: syz.3.614 Not tainted syzkaller #0 PREEMPT [ 112.551136][ T8808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.551143][ T8808] Call trace: [ 112.551146][ T8808] show_stack+0x2c/0x3c (C) [ 112.551161][ T8808] __dump_stack+0x30/0x40 [ 112.551170][ T8808] dump_stack_lvl+0xd8/0x12c [ 112.551178][ T8808] dump_stack+0x1c/0x28 [ 112.551185][ T8808] should_fail_ex+0x418/0x58c [ 112.551195][ T8808] should_failslab+0xc4/0x120 [ 112.551204][ T8808] __kmalloc_cache_noprof+0x94/0x5fc [ 112.551214][ T8808] __arm64_sys_timerfd_create+0x150/0x34c [ 112.551225][ T8808] invoke_syscall+0x98/0x244 [ 112.551233][ T8808] el0_svc_common+0xec/0x23c [ 112.551240][ T8808] do_el0_svc+0x4c/0x5c [ 112.551248][ T8808] el0_svc+0x60/0x1d8 [ 112.551256][ T8808] el0t_64_sync_handler+0x44/0x104 [ 112.551264][ T8808] el0t_64_sync+0x198/0x19c [ 112.551507][ T8808] EXT4-fs: can't change dax mount option while remounting [ 112.572856][ T8699] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.576918][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.577625][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.577760][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 112.580165][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 112.582599][ T8823] FAULT_INJECTION: forcing a failure. [ 112.582599][ T8823] name failslab, interval 1, probability 0, space 0, times 0 [ 112.582619][ T8823] CPU: 1 UID: 0 PID: 8823 Comm: syz.2.617 Not tainted syzkaller #0 PREEMPT [ 112.582629][ T8823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.582634][ T8823] Call trace: [ 112.582637][ T8823] show_stack+0x2c/0x3c (C) [ 112.582651][ T8823] __dump_stack+0x30/0x40 [ 112.582659][ T8823] dump_stack_lvl+0xd8/0x12c [ 112.582667][ T8823] dump_stack+0x1c/0x28 [ 112.582674][ T8823] should_fail_ex+0x418/0x58c [ 112.582684][ T8823] should_failslab+0xc4/0x120 [ 112.582693][ T8823] __kmalloc_cache_noprof+0x94/0x5fc [ 112.582703][ T8823] __arm64_sys_timerfd_create+0x150/0x34c [ 112.582713][ T8823] invoke_syscall+0x98/0x244 [ 112.582721][ T8823] el0_svc_common+0xec/0x23c [ 112.582728][ T8823] do_el0_svc+0x4c/0x5c [ 112.582735][ T8823] el0_svc+0x60/0x1d8 [ 112.582743][ T8823] el0t_64_sync_handler+0x44/0x104 [ 112.582751][ T8823] el0t_64_sync+0x198/0x19c [ 112.586028][ T8823] EXT4-fs: can't change dax mount option while remounting [ 112.614560][ T8699] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.636912][ T8823] FAULT_INJECTION: forcing a failure. [ 112.636912][ T8823] name failslab, interval 1, probability 0, space 0, times 0 [ 112.636932][ T8823] CPU: 1 UID: 0 PID: 8823 Comm: syz.2.617 Not tainted syzkaller #0 PREEMPT [ 112.636943][ T8823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.636949][ T8823] Call trace: [ 112.636951][ T8823] show_stack+0x2c/0x3c (C) [ 112.636967][ T8823] __dump_stack+0x30/0x40 [ 112.636975][ T8823] dump_stack_lvl+0xd8/0x12c [ 112.636982][ T8823] dump_stack+0x1c/0x28 [ 112.636989][ T8823] should_fail_ex+0x418/0x58c [ 112.636999][ T8823] should_failslab+0xc4/0x120 [ 112.637008][ T8823] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.637018][ T8823] __d_alloc+0x50/0x600 [ 112.637028][ T8823] d_alloc_pseudo+0x2c/0xd8 [ 112.637037][ T8823] alloc_path_pseudo+0xe8/0x1d4 [ 112.637047][ T8823] alloc_file_pseudo+0xb0/0x198 [ 112.637064][ T8823] __anon_inode_getfile+0x118/0x1c8 [ 112.637074][ T8823] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.637083][ T8823] __arm64_sys_timerfd_create+0x274/0x34c [ 112.637092][ T8823] invoke_syscall+0x98/0x244 [ 112.637101][ T8823] el0_svc_common+0xec/0x23c [ 112.637109][ T8823] do_el0_svc+0x4c/0x5c [ 112.637116][ T8823] el0_svc+0x60/0x1d8 [ 112.637125][ T8823] el0t_64_sync_handler+0x44/0x104 [ 112.637132][ T8823] el0t_64_sync+0x198/0x19c [ 112.641559][ T8823] EXT4-fs: can't change dax mount option while remounting [ 112.644594][ T8824] FAULT_INJECTION: forcing a failure. [ 112.644594][ T8824] name failslab, interval 1, probability 0, space 0, times 0 [ 112.644609][ T8824] CPU: 1 UID: 0 PID: 8824 Comm: syz.1.616 Not tainted syzkaller #0 PREEMPT [ 112.644619][ T8824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.644624][ T8824] Call trace: [ 112.644628][ T8824] show_stack+0x2c/0x3c (C) [ 112.644641][ T8824] __dump_stack+0x30/0x40 [ 112.644650][ T8824] dump_stack_lvl+0xd8/0x12c [ 112.644657][ T8824] dump_stack+0x1c/0x28 [ 112.644664][ T8824] should_fail_ex+0x418/0x58c [ 112.644674][ T8824] should_failslab+0xc4/0x120 [ 112.644683][ T8824] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 112.644692][ T8824] __d_alloc+0x50/0x600 [ 112.644702][ T8824] d_alloc_pseudo+0x2c/0xd8 [ 112.644711][ T8824] alloc_path_pseudo+0xe8/0x1d4 [ 112.644720][ T8824] alloc_file_pseudo+0xb0/0x198 [ 112.644729][ T8824] __anon_inode_getfile+0x118/0x1c8 [ 112.644739][ T8824] anon_inode_getfile_fmode+0x4c/0xc0 [ 112.644747][ T8824] __arm64_sys_timerfd_create+0x274/0x34c [ 112.644756][ T8824] invoke_syscall+0x98/0x244 [ 112.644764][ T8824] el0_svc_common+0xec/0x23c [ 112.644772][ T8824] do_el0_svc+0x4c/0x5c [ 112.644779][ T8824] el0_svc+0x60/0x1d8 [ 112.644787][ T8824] el0t_64_sync_handler+0x44/0x104 [ 112.644794][ T8824] el0t_64_sync+0x198/0x19c [ 112.646438][ T8824] EXT4-fs: can't change dax mount option while remounting [ 112.650581][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.653398][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 112.662618][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.664666][ T4881] EXT4-fs (loop1): Remounting filesystem read-only 1970/01/01 00:01:52 executed programs: 612 [ 112.738588][ T4428] 8021q: adding VLAN 0 to HW filter on device eth0 [ 112.782501][ T8850] FAULT_INJECTION: forcing a failure. [ 112.782501][ T8850] name failslab, interval 1, probability 0, space 0, times 0 [ 112.782520][ T8850] CPU: 1 UID: 0 PID: 8850 Comm: syz.0.618 Not tainted syzkaller #0 PREEMPT [ 112.782530][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.782535][ T8850] Call trace: [ 112.782538][ T8850] show_stack+0x2c/0x3c (C) [ 112.782553][ T8850] __dump_stack+0x30/0x40 [ 112.782561][ T8850] dump_stack_lvl+0xd8/0x12c [ 112.782568][ T8850] dump_stack+0x1c/0x28 [ 112.782576][ T8850] should_fail_ex+0x418/0x58c [ 112.782586][ T8850] should_failslab+0xc4/0x120 [ 112.782595][ T8850] __kmalloc_cache_noprof+0x94/0x5fc [ 112.782604][ T8850] __arm64_sys_timerfd_create+0x150/0x34c [ 112.782615][ T8850] invoke_syscall+0x98/0x244 [ 112.782622][ T8850] el0_svc_common+0xec/0x23c [ 112.782630][ T8850] do_el0_svc+0x4c/0x5c [ 112.782637][ T8850] el0_svc+0x60/0x1d8 [ 112.782646][ T8850] el0t_64_sync_handler+0x44/0x104 [ 112.782653][ T8850] el0t_64_sync+0x198/0x19c [ 112.783146][ T8850] EXT4-fs: can't change dax mount option while remounting [ 112.787694][ T8699] team0: Port device team_slave_0 added [ 112.788621][ T8699] team0: Port device team_slave_1 added [ 112.820622][ T8867] EXT4-fs: can't change dax mount option while remounting [ 112.831867][ T8847] FAULT_INJECTION: forcing a failure. [ 112.831867][ T8847] name fail_futex, interval 1, probability 0, space 0, times 0 [ 112.831888][ T8847] CPU: 0 UID: 0 PID: 8847 Comm: syz.3.619 Not tainted syzkaller #0 PREEMPT [ 112.831902][ T8847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.831908][ T8847] Call trace: [ 112.831912][ T8847] show_stack+0x2c/0x3c (C) [ 112.831928][ T8847] __dump_stack+0x30/0x40 [ 112.831936][ T8847] dump_stack_lvl+0xd8/0x12c [ 112.831944][ T8847] dump_stack+0x1c/0x28 [ 112.831952][ T8847] should_fail_ex+0x418/0x58c [ 112.831961][ T8847] should_fail+0x14/0x24 [ 112.831969][ T8847] get_futex_key+0x1ec/0x12b0 [ 112.831980][ T8847] futex_wake+0x10c/0x594 [ 112.831988][ T8847] do_futex+0x2c4/0x378 [ 112.831997][ T8847] __arm64_sys_futex+0x2e4/0x418 [ 112.832008][ T8847] invoke_syscall+0x98/0x244 [ 112.832016][ T8847] el0_svc_common+0xec/0x23c [ 112.832023][ T8847] do_el0_svc+0x4c/0x5c [ 112.832031][ T8847] el0_svc+0x60/0x1d8 [ 112.832039][ T8847] el0t_64_sync_handler+0x44/0x104 [ 112.832052][ T8847] el0t_64_sync+0x198/0x19c [ 112.842619][ T8857] FAULT_INJECTION: forcing a failure. [ 112.842619][ T8857] name failslab, interval 1, probability 0, space 0, times 0 [ 112.842636][ T8857] CPU: 1 UID: 0 PID: 8857 Comm: syz.1.621 Not tainted syzkaller #0 PREEMPT [ 112.842646][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.842651][ T8857] Call trace: [ 112.842654][ T8857] show_stack+0x2c/0x3c (C) [ 112.842669][ T8857] __dump_stack+0x30/0x40 [ 112.842677][ T8857] dump_stack_lvl+0xd8/0x12c [ 112.842685][ T8857] dump_stack+0x1c/0x28 [ 112.842692][ T8857] should_fail_ex+0x418/0x58c [ 112.842702][ T8857] should_failslab+0xc4/0x120 [ 112.842711][ T8857] __kmalloc_cache_noprof+0x94/0x5fc [ 112.842721][ T8857] __arm64_sys_timerfd_create+0x150/0x34c [ 112.842731][ T8857] invoke_syscall+0x98/0x244 [ 112.842739][ T8857] el0_svc_common+0xec/0x23c [ 112.842747][ T8857] do_el0_svc+0x4c/0x5c [ 112.842754][ T8857] el0_svc+0x60/0x1d8 [ 112.842763][ T8857] el0t_64_sync_handler+0x44/0x104 [ 112.842770][ T8857] el0t_64_sync+0x198/0x19c [ 112.843070][ T8857] EXT4-fs: can't change dax mount option while remounting [ 112.843303][ T8850] FAULT_INJECTION: forcing a failure. [ 112.843303][ T8850] name failslab, interval 1, probability 0, space 0, times 0 [ 112.843318][ T8850] CPU: 1 UID: 0 PID: 8850 Comm: syz.0.618 Not tainted syzkaller #0 PREEMPT [ 112.843333][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.843341][ T8850] Call trace: [ 112.843345][ T8850] show_stack+0x2c/0x3c (C) [ 112.843356][ T8850] __dump_stack+0x30/0x40 [ 112.843364][ T8850] dump_stack_lvl+0xd8/0x12c [ 112.843372][ T8850] dump_stack+0x1c/0x28 [ 112.843379][ T8850] should_fail_ex+0x418/0x58c [ 112.843388][ T8850] should_failslab+0xc4/0x120 [ 112.843396][ T8850] __kmalloc_cache_noprof+0x94/0x5fc [ 112.843405][ T8850] __arm64_sys_timerfd_create+0x150/0x34c [ 112.843415][ T8850] invoke_syscall+0x98/0x244 [ 112.843422][ T8850] el0_svc_common+0xec/0x23c [ 112.843430][ T8850] do_el0_svc+0x4c/0x5c [ 112.843438][ T8850] el0_svc+0x60/0x1d8 [ 112.843445][ T8850] el0t_64_sync_handler+0x44/0x104 [ 112.843452][ T8850] el0t_64_sync+0x198/0x19c [ 112.843857][ T8850] EXT4-fs: can't change dax mount option while remounting [ 112.854698][ T8699] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.854709][ T8699] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 112.854727][ T8699] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.861496][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.870566][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 112.891703][ T8867] EXT4-fs: can't change dax mount option while remounting [ 112.911727][ T8847] FAULT_INJECTION: forcing a failure. [ 112.911727][ T8847] name fail_futex, interval 1, probability 0, space 0, times 0 [ 112.911749][ T8847] CPU: 0 UID: 0 PID: 8847 Comm: syz.3.619 Not tainted syzkaller #0 PREEMPT [ 112.911759][ T8847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.911765][ T8847] Call trace: [ 112.911768][ T8847] show_stack+0x2c/0x3c (C) [ 112.911783][ T8847] __dump_stack+0x30/0x40 [ 112.911791][ T8847] dump_stack_lvl+0xd8/0x12c [ 112.911799][ T8847] dump_stack+0x1c/0x28 [ 112.911806][ T8847] should_fail_ex+0x418/0x58c [ 112.911816][ T8847] should_fail+0x14/0x24 [ 112.911824][ T8847] get_futex_key+0x1ec/0x12b0 [ 112.911835][ T8847] futex_wake+0x10c/0x594 [ 112.911842][ T8847] do_futex+0x2c4/0x378 [ 112.911852][ T8847] __arm64_sys_futex+0x2e4/0x418 [ 112.911862][ T8847] invoke_syscall+0x98/0x244 [ 112.911870][ T8847] el0_svc_common+0xec/0x23c [ 112.911878][ T8847] do_el0_svc+0x4c/0x5c [ 112.911885][ T8847] el0_svc+0x60/0x1d8 [ 112.911893][ T8847] el0t_64_sync_handler+0x44/0x104 [ 112.911901][ T8847] el0t_64_sync+0x198/0x19c [ 112.921038][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.921237][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 112.924581][ T8699] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.924593][ T8699] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 112.924612][ T8699] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.926818][ T8871] EXT4-fs: can't change dax mount option while remounting [ 112.962247][ T8852] FAULT_INJECTION: forcing a failure. [ 112.962247][ T8852] name fail_futex, interval 1, probability 0, space 0, times 0 [ 112.962268][ T8852] CPU: 0 UID: 0 PID: 8852 Comm: syz.2.620 Not tainted syzkaller #0 PREEMPT [ 112.962279][ T8852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.962285][ T8852] Call trace: [ 112.962288][ T8852] show_stack+0x2c/0x3c (C) [ 112.962302][ T8852] __dump_stack+0x30/0x40 [ 112.962312][ T8852] dump_stack_lvl+0xd8/0x12c [ 112.962320][ T8852] dump_stack+0x1c/0x28 [ 112.962327][ T8852] should_fail_ex+0x418/0x58c [ 112.962337][ T8852] should_fail+0x14/0x24 [ 112.962345][ T8852] get_futex_key+0x1ec/0x12b0 [ 112.962357][ T8852] futex_wake+0x10c/0x594 [ 112.962364][ T8852] do_futex+0x2c4/0x378 [ 112.962374][ T8852] __arm64_sys_futex+0x2e4/0x418 [ 112.962384][ T8852] invoke_syscall+0x98/0x244 [ 112.962393][ T8852] el0_svc_common+0xec/0x23c [ 112.962400][ T8852] do_el0_svc+0x4c/0x5c [ 112.962407][ T8852] el0_svc+0x60/0x1d8 [ 112.962416][ T8852] el0t_64_sync_handler+0x44/0x104 [ 112.962423][ T8852] el0t_64_sync+0x198/0x19c [ 112.970892][ T8857] FAULT_INJECTION: forcing a failure. [ 112.970892][ T8857] name failslab, interval 1, probability 0, space 0, times 0 [ 112.970909][ T8857] CPU: 1 UID: 0 PID: 8857 Comm: syz.1.621 Not tainted syzkaller #0 PREEMPT [ 112.970919][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 112.970924][ T8857] Call trace: [ 112.970927][ T8857] show_stack+0x2c/0x3c (C) [ 112.970941][ T8857] __dump_stack+0x30/0x40 [ 112.970950][ T8857] dump_stack_lvl+0xd8/0x12c [ 112.970958][ T8857] dump_stack+0x1c/0x28 [ 112.970965][ T8857] should_fail_ex+0x418/0x58c [ 112.970975][ T8857] should_failslab+0xc4/0x120 [ 112.970984][ T8857] __kmalloc_cache_noprof+0x94/0x5fc [ 112.970994][ T8857] __arm64_sys_timerfd_create+0x150/0x34c [ 112.971004][ T8857] invoke_syscall+0x98/0x244 [ 112.971012][ T8857] el0_svc_common+0xec/0x23c [ 112.971019][ T8857] do_el0_svc+0x4c/0x5c [ 112.971027][ T8857] el0_svc+0x60/0x1d8 [ 112.971035][ T8857] el0t_64_sync_handler+0x44/0x104 [ 112.971042][ T8857] el0t_64_sync+0x198/0x19c [ 112.974234][ T8857] EXT4-fs: can't change dax mount option while remounting [ 112.978418][ T50] Bluetooth: hci0: command tx timeout [ 112.985181][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 112.985529][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 113.034608][ T8699] hsr_slave_0: entered promiscuous mode [ 113.034899][ T8699] hsr_slave_1: entered promiscuous mode [ 113.037494][ T8852] FAULT_INJECTION: forcing a failure. [ 113.037494][ T8852] name failslab, interval 1, probability 0, space 0, times 0 [ 113.037511][ T8852] CPU: 1 UID: 0 PID: 8852 Comm: syz.2.620 Not tainted syzkaller #0 PREEMPT [ 113.037523][ T8852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.037530][ T8852] Call trace: [ 113.037533][ T8852] show_stack+0x2c/0x3c (C) [ 113.037549][ T8852] __dump_stack+0x30/0x40 [ 113.037558][ T8852] dump_stack_lvl+0xd8/0x12c [ 113.037566][ T8852] dump_stack+0x1c/0x28 [ 113.037573][ T8852] should_fail_ex+0x418/0x58c [ 113.037583][ T8852] should_failslab+0xc4/0x120 [ 113.037593][ T8852] __kmalloc_cache_noprof+0x94/0x5fc [ 113.037603][ T8852] __arm64_sys_timerfd_create+0x150/0x34c [ 113.037613][ T8852] invoke_syscall+0x98/0x244 [ 113.037621][ T8852] el0_svc_common+0xec/0x23c [ 113.037629][ T8852] do_el0_svc+0x4c/0x5c [ 113.037637][ T8852] el0_svc+0x60/0x1d8 [ 113.037645][ T8852] el0t_64_sync_handler+0x44/0x104 [ 113.037653][ T8852] el0t_64_sync+0x198/0x19c [ 113.037794][ T8852] EXT4-fs: can't change dax mount option while remounting [ 113.062458][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.062720][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 113.094589][ T8873] FAULT_INJECTION: forcing a failure. [ 113.094589][ T8873] name failslab, interval 1, probability 0, space 0, times 0 [ 113.094608][ T8873] CPU: 1 UID: 0 PID: 8873 Comm: syz.3.623 Not tainted syzkaller #0 PREEMPT [ 113.094619][ T8873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.094625][ T8873] Call trace: [ 113.094628][ T8873] show_stack+0x2c/0x3c (C) [ 113.094643][ T8873] __dump_stack+0x30/0x40 [ 113.094651][ T8873] dump_stack_lvl+0xd8/0x12c [ 113.094659][ T8873] dump_stack+0x1c/0x28 [ 113.094666][ T8873] should_fail_ex+0x418/0x58c [ 113.094676][ T8873] should_failslab+0xc4/0x120 [ 113.094685][ T8873] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.094695][ T8873] __d_alloc+0x50/0x600 [ 113.094704][ T8873] d_alloc_pseudo+0x2c/0xd8 [ 113.094714][ T8873] alloc_path_pseudo+0xe8/0x1d4 [ 113.094723][ T8873] alloc_file_pseudo+0xb0/0x198 [ 113.094732][ T8873] __anon_inode_getfile+0x118/0x1c8 [ 113.094741][ T8873] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.094750][ T8873] __arm64_sys_timerfd_create+0x274/0x34c [ 113.094759][ T8873] invoke_syscall+0x98/0x244 [ 113.094767][ T8873] el0_svc_common+0xec/0x23c [ 113.094775][ T8873] do_el0_svc+0x4c/0x5c [ 113.094782][ T8873] el0_svc+0x60/0x1d8 [ 113.094791][ T8873] el0t_64_sync_handler+0x44/0x104 [ 113.094798][ T8873] el0t_64_sync+0x198/0x19c [ 113.094940][ T8873] EXT4-fs: can't change dax mount option while remounting [ 113.140961][ T13] hsr_slave_0: left promiscuous mode [ 113.141214][ T13] hsr_slave_1: left promiscuous mode [ 113.141461][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 113.141471][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 113.142837][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 113.142850][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 113.164849][ T8873] FAULT_INJECTION: forcing a failure. [ 113.164849][ T8873] name failslab, interval 1, probability 0, space 0, times 0 [ 113.164871][ T8873] CPU: 0 UID: 0 PID: 8873 Comm: syz.3.623 Not tainted syzkaller #0 PREEMPT [ 113.164884][ T8873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.164890][ T8873] Call trace: [ 113.164893][ T8873] show_stack+0x2c/0x3c (C) [ 113.164908][ T8873] __dump_stack+0x30/0x40 [ 113.164917][ T8873] dump_stack_lvl+0xd8/0x12c [ 113.164925][ T8873] dump_stack+0x1c/0x28 [ 113.164932][ T8873] should_fail_ex+0x418/0x58c [ 113.164944][ T8873] should_failslab+0xc4/0x120 [ 113.164954][ T8873] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.164965][ T8873] __d_alloc+0x50/0x600 [ 113.164975][ T8873] d_alloc_pseudo+0x2c/0xd8 [ 113.164985][ T8873] alloc_path_pseudo+0xe8/0x1d4 [ 113.164995][ T8873] alloc_file_pseudo+0xb0/0x198 [ 113.165004][ T8873] __anon_inode_getfile+0x118/0x1c8 [ 113.165014][ T8873] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.165022][ T8873] __arm64_sys_timerfd_create+0x274/0x34c [ 113.165031][ T8873] invoke_syscall+0x98/0x244 [ 113.165040][ T8873] el0_svc_common+0xec/0x23c [ 113.165054][ T8873] do_el0_svc+0x4c/0x5c [ 113.165062][ T8873] el0_svc+0x60/0x1d8 [ 113.165071][ T8873] el0t_64_sync_handler+0x44/0x104 [ 113.165079][ T8873] el0t_64_sync+0x198/0x19c [ 113.166243][ T13] veth1_macvtap: left promiscuous mode [ 113.166270][ T13] veth0_macvtap: left promiscuous mode [ 113.166315][ T13] veth1_vlan: left promiscuous mode [ 113.166359][ T13] veth0_vlan: left promiscuous mode [ 113.166761][ T8873] EXT4-fs: can't change dax mount option while remounting [ 113.166817][ T8881] FAULT_INJECTION: forcing a failure. [ 113.166817][ T8881] name failslab, interval 1, probability 0, space 0, times 0 [ 113.166832][ T8881] CPU: 0 UID: 0 PID: 8881 Comm: syz.1.624 Not tainted syzkaller #0 PREEMPT [ 113.166844][ T8881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.166848][ T8881] Call trace: [ 113.166851][ T8881] show_stack+0x2c/0x3c (C) [ 113.166861][ T8881] __dump_stack+0x30/0x40 [ 113.166869][ T8881] dump_stack_lvl+0xd8/0x12c [ 113.166877][ T8881] dump_stack+0x1c/0x28 [ 113.166884][ T8881] should_fail_ex+0x418/0x58c [ 113.166893][ T8881] should_failslab+0xc4/0x120 [ 113.166901][ T8881] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.166911][ T8881] __d_alloc+0x50/0x600 [ 113.166920][ T8881] d_alloc_pseudo+0x2c/0xd8 [ 113.166929][ T8881] alloc_path_pseudo+0xe8/0x1d4 [ 113.166939][ T8881] alloc_file_pseudo+0xb0/0x198 [ 113.166948][ T8881] __anon_inode_getfile+0x118/0x1c8 [ 113.166956][ T8881] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.166965][ T8881] __arm64_sys_timerfd_create+0x274/0x34c [ 113.166974][ T8881] invoke_syscall+0x98/0x244 [ 113.166982][ T8881] el0_svc_common+0xec/0x23c [ 113.166989][ T8881] do_el0_svc+0x4c/0x5c [ 113.166997][ T8881] el0_svc+0x60/0x1d8 [ 113.167004][ T8881] el0t_64_sync_handler+0x44/0x104 [ 113.167011][ T8881] el0t_64_sync+0x198/0x19c [ 113.175764][ T8881] EXT4-fs: can't change dax mount option while remounting [ 113.210157][ T8878] FAULT_INJECTION: forcing a failure. [ 113.210157][ T8878] name failslab, interval 1, probability 0, space 0, times 0 [ 113.210190][ T8878] CPU: 1 UID: 0 PID: 8878 Comm: syz.0.622 Not tainted syzkaller #0 PREEMPT [ 113.210203][ T8878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.210209][ T8878] Call trace: [ 113.210213][ T8878] show_stack+0x2c/0x3c (C) [ 113.210227][ T8878] __dump_stack+0x30/0x40 [ 113.210236][ T8878] dump_stack_lvl+0xd8/0x12c [ 113.210243][ T8878] dump_stack+0x1c/0x28 [ 113.210250][ T8878] should_fail_ex+0x418/0x58c [ 113.210260][ T8878] should_failslab+0xc4/0x120 [ 113.210269][ T8878] __kmalloc_cache_noprof+0x94/0x5fc [ 113.210279][ T8878] __arm64_sys_timerfd_create+0x150/0x34c [ 113.210289][ T8878] invoke_syscall+0x98/0x244 [ 113.210297][ T8878] el0_svc_common+0xec/0x23c [ 113.210304][ T8878] do_el0_svc+0x4c/0x5c [ 113.210311][ T8878] el0_svc+0x60/0x1d8 [ 113.210320][ T8878] el0t_64_sync_handler+0x44/0x104 [ 113.210327][ T8878] el0t_64_sync+0x198/0x19c [ 113.216734][ T8878] EXT4-fs: can't change dax mount option while remounting [ 113.254454][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.255987][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 113.306860][ T8886] FAULT_INJECTION: forcing a failure. [ 113.306860][ T8886] name failslab, interval 1, probability 0, space 0, times 0 [ 113.306892][ T8886] CPU: 0 UID: 0 PID: 8886 Comm: syz.2.625 Not tainted syzkaller #0 PREEMPT [ 113.306903][ T8886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.306908][ T8886] Call trace: [ 113.306912][ T8886] show_stack+0x2c/0x3c (C) [ 113.306929][ T8886] __dump_stack+0x30/0x40 [ 113.306939][ T8886] dump_stack_lvl+0xd8/0x12c [ 113.306947][ T8886] dump_stack+0x1c/0x28 [ 113.306955][ T8886] should_fail_ex+0x418/0x58c [ 113.306965][ T8886] should_failslab+0xc4/0x120 [ 113.306974][ T8886] __kmalloc_cache_noprof+0x94/0x5fc [ 113.306984][ T8886] __arm64_sys_timerfd_create+0x150/0x34c [ 113.306994][ T8886] invoke_syscall+0x98/0x244 [ 113.307002][ T8886] el0_svc_common+0xec/0x23c [ 113.307009][ T8886] do_el0_svc+0x4c/0x5c [ 113.307017][ T8886] el0_svc+0x60/0x1d8 [ 113.307025][ T8886] el0t_64_sync_handler+0x44/0x104 [ 113.307032][ T8886] el0t_64_sync+0x198/0x19c [ 113.320800][ T8886] EXT4-fs: can't change dax mount option while remounting [ 113.331485][ T8878] FAULT_INJECTION: forcing a failure. [ 113.331485][ T8878] name failslab, interval 1, probability 0, space 0, times 0 [ 113.331517][ T8878] CPU: 1 UID: 0 PID: 8878 Comm: syz.0.622 Not tainted syzkaller #0 PREEMPT [ 113.331529][ T8878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.331535][ T8878] Call trace: [ 113.331539][ T8878] show_stack+0x2c/0x3c (C) [ 113.331554][ T8878] __dump_stack+0x30/0x40 [ 113.331562][ T8878] dump_stack_lvl+0xd8/0x12c [ 113.331570][ T8878] dump_stack+0x1c/0x28 [ 113.331577][ T8878] should_fail_ex+0x418/0x58c [ 113.331587][ T8878] should_failslab+0xc4/0x120 [ 113.331596][ T8878] __kmalloc_cache_noprof+0x94/0x5fc [ 113.331606][ T8878] __arm64_sys_timerfd_create+0x150/0x34c [ 113.331616][ T8878] invoke_syscall+0x98/0x244 [ 113.331625][ T8878] el0_svc_common+0xec/0x23c [ 113.331632][ T8878] do_el0_svc+0x4c/0x5c [ 113.331640][ T8878] el0_svc+0x60/0x1d8 [ 113.331648][ T8878] el0t_64_sync_handler+0x44/0x104 [ 113.331656][ T8878] el0t_64_sync+0x198/0x19c [ 113.337435][ T8878] EXT4-fs: can't change dax mount option while remounting [ 113.345848][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.346041][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 113.347739][ T8881] FAULT_INJECTION: forcing a failure. [ 113.347739][ T8881] name failslab, interval 1, probability 0, space 0, times 0 [ 113.347772][ T8881] CPU: 1 UID: 0 PID: 8881 Comm: syz.1.624 Not tainted syzkaller #0 PREEMPT [ 113.347790][ T8881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.347798][ T8881] Call trace: [ 113.347802][ T8881] show_stack+0x2c/0x3c (C) [ 113.347820][ T8881] __dump_stack+0x30/0x40 [ 113.347830][ T8881] dump_stack_lvl+0xd8/0x12c [ 113.347840][ T8881] dump_stack+0x1c/0x28 [ 113.347849][ T8881] should_fail_ex+0x418/0x58c [ 113.347859][ T8881] should_failslab+0xc4/0x120 [ 113.347869][ T8881] __kmalloc_cache_noprof+0x94/0x5fc [ 113.347878][ T8881] __arm64_sys_timerfd_create+0x150/0x34c [ 113.347888][ T8881] invoke_syscall+0x98/0x244 [ 113.347897][ T8881] el0_svc_common+0xec/0x23c [ 113.347904][ T8881] do_el0_svc+0x4c/0x5c [ 113.347911][ T8881] el0_svc+0x60/0x1d8 [ 113.347920][ T8881] el0t_64_sync_handler+0x44/0x104 [ 113.347927][ T8881] el0t_64_sync+0x198/0x19c [ 113.349007][ T8881] EXT4-fs: can't change dax mount option while remounting [ 113.354264][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.354441][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 113.386628][ T8886] FAULT_INJECTION: forcing a failure. [ 113.386628][ T8886] name failslab, interval 1, probability 0, space 0, times 0 [ 113.386660][ T8886] CPU: 1 UID: 0 PID: 8886 Comm: syz.2.625 Not tainted syzkaller #0 PREEMPT [ 113.386670][ T8886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.386676][ T8886] Call trace: [ 113.386679][ T8886] show_stack+0x2c/0x3c (C) [ 113.386695][ T8886] __dump_stack+0x30/0x40 [ 113.386704][ T8886] dump_stack_lvl+0xd8/0x12c [ 113.386711][ T8886] dump_stack+0x1c/0x28 [ 113.386719][ T8886] should_fail_ex+0x418/0x58c [ 113.386729][ T8886] should_failslab+0xc4/0x120 [ 113.386738][ T8886] __kmalloc_cache_noprof+0x94/0x5fc [ 113.386747][ T8886] __arm64_sys_timerfd_create+0x150/0x34c [ 113.386758][ T8886] invoke_syscall+0x98/0x244 [ 113.386766][ T8886] el0_svc_common+0xec/0x23c [ 113.386773][ T8886] do_el0_svc+0x4c/0x5c [ 113.386781][ T8886] el0_svc+0x60/0x1d8 [ 113.386789][ T8886] el0t_64_sync_handler+0x44/0x104 [ 113.386797][ T8886] el0t_64_sync+0x198/0x19c [ 113.397433][ T8886] EXT4-fs: can't change dax mount option while remounting [ 113.417293][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.417484][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 113.528842][ T8912] FAULT_INJECTION: forcing a failure. [ 113.528842][ T8912] name failslab, interval 1, probability 0, space 0, times 0 [ 113.528861][ T8912] CPU: 0 UID: 0 PID: 8912 Comm: syz.1.628 Not tainted syzkaller #0 PREEMPT [ 113.528871][ T8912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.528877][ T8912] Call trace: [ 113.528880][ T8912] show_stack+0x2c/0x3c (C) [ 113.528895][ T8912] __dump_stack+0x30/0x40 [ 113.528904][ T8912] dump_stack_lvl+0xd8/0x12c [ 113.528912][ T8912] dump_stack+0x1c/0x28 [ 113.528919][ T8912] should_fail_ex+0x418/0x58c [ 113.528929][ T8912] should_failslab+0xc4/0x120 [ 113.528938][ T8912] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.528948][ T8912] __d_alloc+0x50/0x600 [ 113.528958][ T8912] d_alloc_pseudo+0x2c/0xd8 [ 113.528967][ T8912] alloc_path_pseudo+0xe8/0x1d4 [ 113.528976][ T8912] alloc_file_pseudo+0xb0/0x198 [ 113.528985][ T8912] __anon_inode_getfile+0x118/0x1c8 [ 113.528995][ T8912] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.529003][ T8912] __arm64_sys_timerfd_create+0x274/0x34c [ 113.529012][ T8912] invoke_syscall+0x98/0x244 [ 113.529021][ T8912] el0_svc_common+0xec/0x23c [ 113.529028][ T8912] do_el0_svc+0x4c/0x5c [ 113.529035][ T8912] el0_svc+0x60/0x1d8 [ 113.529050][ T8912] el0t_64_sync_handler+0x44/0x104 [ 113.529058][ T8912] el0t_64_sync+0x198/0x19c [ 113.529205][ T8912] EXT4-fs: can't change dax mount option while remounting [ 113.563224][ T8906] FAULT_INJECTION: forcing a failure. [ 113.563224][ T8906] name failslab, interval 1, probability 0, space 0, times 0 [ 113.563243][ T8906] CPU: 1 UID: 0 PID: 8906 Comm: syz.3.626 Not tainted syzkaller #0 PREEMPT [ 113.563253][ T8906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.563258][ T8906] Call trace: [ 113.563261][ T8906] show_stack+0x2c/0x3c (C) [ 113.563276][ T8906] __dump_stack+0x30/0x40 [ 113.563285][ T8906] dump_stack_lvl+0xd8/0x12c [ 113.563293][ T8906] dump_stack+0x1c/0x28 [ 113.563300][ T8906] should_fail_ex+0x418/0x58c [ 113.563310][ T8906] should_failslab+0xc4/0x120 [ 113.563319][ T8906] __kmalloc_cache_noprof+0x94/0x5fc [ 113.563329][ T8906] __arm64_sys_timerfd_create+0x150/0x34c [ 113.563339][ T8906] invoke_syscall+0x98/0x244 [ 113.563347][ T8906] el0_svc_common+0xec/0x23c [ 113.563355][ T8906] do_el0_svc+0x4c/0x5c [ 113.563362][ T8906] el0_svc+0x60/0x1d8 [ 113.563371][ T8906] el0t_64_sync_handler+0x44/0x104 [ 113.563378][ T8906] el0t_64_sync+0x198/0x19c [ 113.563527][ T8906] EXT4-fs: can't change dax mount option while remounting [ 113.590882][ T8912] FAULT_INJECTION: forcing a failure. [ 113.590882][ T8912] name failslab, interval 1, probability 0, space 0, times 0 [ 113.590899][ T8912] CPU: 0 UID: 0 PID: 8912 Comm: syz.1.628 Not tainted syzkaller #0 PREEMPT [ 113.590910][ T8912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.590916][ T8912] Call trace: [ 113.590919][ T8912] show_stack+0x2c/0x3c (C) [ 113.590933][ T8912] __dump_stack+0x30/0x40 [ 113.590942][ T8912] dump_stack_lvl+0xd8/0x12c [ 113.590949][ T8912] dump_stack+0x1c/0x28 [ 113.590957][ T8912] should_fail_ex+0x418/0x58c [ 113.590966][ T8912] should_failslab+0xc4/0x120 [ 113.590975][ T8912] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.590985][ T8912] __d_alloc+0x50/0x600 [ 113.590994][ T8912] d_alloc_pseudo+0x2c/0xd8 [ 113.591004][ T8912] alloc_path_pseudo+0xe8/0x1d4 [ 113.591014][ T8912] alloc_file_pseudo+0xb0/0x198 [ 113.591022][ T8912] __anon_inode_getfile+0x118/0x1c8 [ 113.591032][ T8912] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.591040][ T8912] __arm64_sys_timerfd_create+0x274/0x34c [ 113.591056][ T8912] invoke_syscall+0x98/0x244 [ 113.591064][ T8912] el0_svc_common+0xec/0x23c [ 113.591072][ T8912] do_el0_svc+0x4c/0x5c [ 113.591080][ T8912] el0_svc+0x60/0x1d8 [ 113.591088][ T8912] el0t_64_sync_handler+0x44/0x104 [ 113.591096][ T8912] el0t_64_sync+0x198/0x19c [ 113.591244][ T8912] EXT4-fs: can't change dax mount option while remounting [ 113.604053][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.605485][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 113.623610][ T8913] FAULT_INJECTION: forcing a failure. [ 113.623610][ T8913] name failslab, interval 1, probability 0, space 0, times 0 [ 113.623632][ T8913] CPU: 1 UID: 0 PID: 8913 Comm: syz.0.627 Not tainted syzkaller #0 PREEMPT [ 113.623645][ T8913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.623651][ T8913] Call trace: [ 113.623654][ T8913] show_stack+0x2c/0x3c (C) [ 113.623669][ T8913] __dump_stack+0x30/0x40 [ 113.623678][ T8913] dump_stack_lvl+0xd8/0x12c [ 113.623686][ T8913] dump_stack+0x1c/0x28 [ 113.623693][ T8913] should_fail_ex+0x418/0x58c [ 113.623703][ T8913] should_failslab+0xc4/0x120 [ 113.623712][ T8913] __kmalloc_cache_noprof+0x94/0x5fc [ 113.623722][ T8913] __arm64_sys_timerfd_create+0x150/0x34c [ 113.623732][ T8913] invoke_syscall+0x98/0x244 [ 113.623740][ T8913] el0_svc_common+0xec/0x23c [ 113.623748][ T8913] do_el0_svc+0x4c/0x5c [ 113.623755][ T8913] el0_svc+0x60/0x1d8 [ 113.623764][ T8913] el0t_64_sync_handler+0x44/0x104 [ 113.623771][ T8913] el0t_64_sync+0x198/0x19c [ 113.623924][ T8913] EXT4-fs: can't change dax mount option while remounting [ 113.634634][ T8906] FAULT_INJECTION: forcing a failure. [ 113.634634][ T8906] name failslab, interval 1, probability 0, space 0, times 0 [ 113.634655][ T8906] CPU: 1 UID: 0 PID: 8906 Comm: syz.3.626 Not tainted syzkaller #0 PREEMPT [ 113.634666][ T8906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.634671][ T8906] Call trace: [ 113.634675][ T8906] show_stack+0x2c/0x3c (C) [ 113.634688][ T8906] __dump_stack+0x30/0x40 [ 113.634696][ T8906] dump_stack_lvl+0xd8/0x12c [ 113.634703][ T8906] dump_stack+0x1c/0x28 [ 113.634710][ T8906] should_fail_ex+0x418/0x58c [ 113.634720][ T8906] should_failslab+0xc4/0x120 [ 113.634729][ T8906] __kmalloc_cache_noprof+0x94/0x5fc [ 113.634738][ T8906] __arm64_sys_timerfd_create+0x150/0x34c [ 113.634748][ T8906] invoke_syscall+0x98/0x244 [ 113.634756][ T8906] el0_svc_common+0xec/0x23c [ 113.634763][ T8906] do_el0_svc+0x4c/0x5c [ 113.634770][ T8906] el0_svc+0x60/0x1d8 [ 113.634779][ T8906] el0t_64_sync_handler+0x44/0x104 [ 113.634786][ T8906] el0t_64_sync+0x198/0x19c [ 113.634944][ T8906] EXT4-fs: can't change dax mount option while remounting [ 113.644317][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.646834][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 113.670918][ T8913] FAULT_INJECTION: forcing a failure. [ 113.670918][ T8913] name failslab, interval 1, probability 0, space 0, times 0 [ 113.670936][ T8913] CPU: 1 UID: 0 PID: 8913 Comm: syz.0.627 Not tainted syzkaller #0 PREEMPT [ 113.670946][ T8913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.670952][ T8913] Call trace: [ 113.670955][ T8913] show_stack+0x2c/0x3c (C) [ 113.670970][ T8913] __dump_stack+0x30/0x40 [ 113.670978][ T8913] dump_stack_lvl+0xd8/0x12c [ 113.670986][ T8913] dump_stack+0x1c/0x28 [ 113.670993][ T8913] should_fail_ex+0x418/0x58c [ 113.671003][ T8913] should_failslab+0xc4/0x120 [ 113.671013][ T8913] __kmalloc_cache_noprof+0x94/0x5fc [ 113.671022][ T8913] __arm64_sys_timerfd_create+0x150/0x34c [ 113.671032][ T8913] invoke_syscall+0x98/0x244 [ 113.671040][ T8913] el0_svc_common+0xec/0x23c [ 113.671048][ T8913] do_el0_svc+0x4c/0x5c [ 113.671062][ T8913] el0_svc+0x60/0x1d8 [ 113.671071][ T8913] el0t_64_sync_handler+0x44/0x104 [ 113.671078][ T8913] el0t_64_sync+0x198/0x19c [ 113.671241][ T8913] EXT4-fs: can't change dax mount option while remounting [ 113.674253][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.683850][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 113.703406][ T13] team0 (unregistering): Port device team_slave_1 removed [ 113.711898][ T13] team0 (unregistering): Port device team_slave_0 removed [ 113.753848][ T8918] FAULT_INJECTION: forcing a failure. [ 113.753848][ T8918] name failslab, interval 1, probability 0, space 0, times 0 [ 113.753878][ T8918] CPU: 1 UID: 0 PID: 8918 Comm: syz.2.629 Not tainted syzkaller #0 PREEMPT [ 113.753890][ T8918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.753896][ T8918] Call trace: [ 113.753899][ T8918] show_stack+0x2c/0x3c (C) [ 113.753914][ T8918] __dump_stack+0x30/0x40 [ 113.753923][ T8918] dump_stack_lvl+0xd8/0x12c [ 113.753931][ T8918] dump_stack+0x1c/0x28 [ 113.753938][ T8918] should_fail_ex+0x418/0x58c [ 113.753948][ T8918] should_failslab+0xc4/0x120 [ 113.753958][ T8918] __kmalloc_cache_noprof+0x94/0x5fc [ 113.753967][ T8918] __arm64_sys_timerfd_create+0x150/0x34c [ 113.753978][ T8918] invoke_syscall+0x98/0x244 [ 113.753986][ T8918] el0_svc_common+0xec/0x23c [ 113.753993][ T8918] do_el0_svc+0x4c/0x5c [ 113.754001][ T8918] el0_svc+0x60/0x1d8 [ 113.754009][ T8918] el0t_64_sync_handler+0x44/0x104 [ 113.754016][ T8918] el0t_64_sync+0x198/0x19c [ 113.754189][ T8918] EXT4-fs: can't change dax mount option while remounting [ 113.848917][ T8918] FAULT_INJECTION: forcing a failure. [ 113.848917][ T8918] name failslab, interval 1, probability 0, space 0, times 0 [ 113.848942][ T8918] CPU: 0 UID: 0 PID: 8918 Comm: syz.2.629 Not tainted syzkaller #0 PREEMPT [ 113.848953][ T8918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.848959][ T8918] Call trace: [ 113.848963][ T8918] show_stack+0x2c/0x3c (C) [ 113.848978][ T8918] __dump_stack+0x30/0x40 [ 113.848986][ T8918] dump_stack_lvl+0xd8/0x12c [ 113.848994][ T8918] dump_stack+0x1c/0x28 [ 113.849002][ T8918] should_fail_ex+0x418/0x58c [ 113.849012][ T8918] should_failslab+0xc4/0x120 [ 113.849021][ T8918] __kmalloc_cache_noprof+0x94/0x5fc [ 113.849031][ T8918] __arm64_sys_timerfd_create+0x150/0x34c [ 113.849041][ T8918] invoke_syscall+0x98/0x244 [ 113.849055][ T8918] el0_svc_common+0xec/0x23c [ 113.849063][ T8918] do_el0_svc+0x4c/0x5c [ 113.849070][ T8918] el0_svc+0x60/0x1d8 [ 113.849079][ T8918] el0t_64_sync_handler+0x44/0x104 [ 113.849086][ T8918] el0t_64_sync+0x198/0x19c [ 113.849246][ T8918] EXT4-fs: can't change dax mount option while remounting [ 113.864593][ T4428] 8021q: adding VLAN 0 to HW filter on device eth1 [ 113.878655][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.879703][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 113.881854][ T8950] EXT4-fs: can't change dax mount option while remounting [ 113.882716][ T8938] FAULT_INJECTION: forcing a failure. [ 113.882716][ T8938] name failslab, interval 1, probability 0, space 0, times 0 [ 113.882730][ T8938] CPU: 1 UID: 0 PID: 8938 Comm: syz.3.631 Not tainted syzkaller #0 PREEMPT [ 113.882741][ T8938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.882747][ T8938] Call trace: [ 113.882749][ T8938] show_stack+0x2c/0x3c (C) [ 113.882764][ T8938] __dump_stack+0x30/0x40 [ 113.882774][ T8938] dump_stack_lvl+0xd8/0x12c [ 113.882782][ T8938] dump_stack+0x1c/0x28 [ 113.882789][ T8938] should_fail_ex+0x418/0x58c [ 113.882799][ T8938] should_failslab+0xc4/0x120 [ 113.882808][ T8938] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 113.882818][ T8938] __d_alloc+0x50/0x600 [ 113.882827][ T8938] d_alloc_pseudo+0x2c/0xd8 [ 113.882836][ T8938] alloc_path_pseudo+0xe8/0x1d4 [ 113.882846][ T8938] alloc_file_pseudo+0xb0/0x198 [ 113.882855][ T8938] __anon_inode_getfile+0x118/0x1c8 [ 113.882864][ T8938] anon_inode_getfile_fmode+0x4c/0xc0 [ 113.882873][ T8938] __arm64_sys_timerfd_create+0x274/0x34c [ 113.882882][ T8938] invoke_syscall+0x98/0x244 [ 113.882890][ T8938] el0_svc_common+0xec/0x23c [ 113.882898][ T8938] do_el0_svc+0x4c/0x5c [ 113.882905][ T8938] el0_svc+0x60/0x1d8 [ 113.882914][ T8938] el0t_64_sync_handler+0x44/0x104 [ 113.882921][ T8938] el0t_64_sync+0x198/0x19c [ 113.885346][ T8938] EXT4-fs: can't change dax mount option while remounting [ 113.911788][ T8951] EXT4-fs: can't change dax mount option while remounting [ 113.918466][ T8939] FAULT_INJECTION: forcing a failure. [ 113.918466][ T8939] name fail_futex, interval 1, probability 0, space 0, times 0 [ 113.918490][ T8939] CPU: 0 UID: 0 PID: 8939 Comm: syz.0.632 Not tainted syzkaller #0 PREEMPT [ 113.918503][ T8939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.918509][ T8939] Call trace: [ 113.918512][ T8939] show_stack+0x2c/0x3c (C) [ 113.918528][ T8939] __dump_stack+0x30/0x40 [ 113.918536][ T8939] dump_stack_lvl+0xd8/0x12c [ 113.918543][ T8939] dump_stack+0x1c/0x28 [ 113.918550][ T8939] should_fail_ex+0x418/0x58c [ 113.918560][ T8939] should_fail+0x14/0x24 [ 113.918568][ T8939] get_futex_key+0x1ec/0x12b0 [ 113.918579][ T8939] futex_wake+0x10c/0x594 [ 113.918587][ T8939] do_futex+0x2c4/0x378 [ 113.918596][ T8939] __arm64_sys_futex+0x2e4/0x418 [ 113.918607][ T8939] invoke_syscall+0x98/0x244 [ 113.918615][ T8939] el0_svc_common+0xec/0x23c [ 113.918623][ T8939] do_el0_svc+0x4c/0x5c [ 113.918630][ T8939] el0_svc+0x60/0x1d8 [ 113.918638][ T8939] el0t_64_sync_handler+0x44/0x104 [ 113.918646][ T8939] el0t_64_sync+0x198/0x19c [ 113.918863][ T8935] FAULT_INJECTION: forcing a failure. [ 113.918863][ T8935] name fail_futex, interval 1, probability 0, space 0, times 0 [ 113.918877][ T8935] CPU: 0 UID: 0 PID: 8935 Comm: syz.1.630 Not tainted syzkaller #0 PREEMPT [ 113.918892][ T8935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.918897][ T8935] Call trace: [ 113.918899][ T8935] show_stack+0x2c/0x3c (C) [ 113.918908][ T8935] __dump_stack+0x30/0x40 [ 113.918916][ T8935] dump_stack_lvl+0xd8/0x12c [ 113.918924][ T8935] dump_stack+0x1c/0x28 [ 113.918931][ T8935] should_fail_ex+0x418/0x58c [ 113.918939][ T8935] should_fail+0x14/0x24 [ 113.918947][ T8935] get_futex_key+0x1ec/0x12b0 [ 113.918957][ T8935] futex_wake+0x10c/0x594 [ 113.918964][ T8935] do_futex+0x2c4/0x378 [ 113.918974][ T8935] __arm64_sys_futex+0x2e4/0x418 [ 113.918985][ T8935] invoke_syscall+0x98/0x244 [ 113.918992][ T8935] el0_svc_common+0xec/0x23c [ 113.919000][ T8935] do_el0_svc+0x4c/0x5c [ 113.919007][ T8935] el0_svc+0x60/0x1d8 [ 113.919014][ T8935] el0t_64_sync_handler+0x44/0x104 [ 113.919022][ T8935] el0t_64_sync+0x198/0x19c [ 113.974319][ T8938] FAULT_INJECTION: forcing a failure. [ 113.974319][ T8938] name failslab, interval 1, probability 0, space 0, times 0 [ 113.974350][ T8938] CPU: 1 UID: 0 PID: 8938 Comm: syz.3.631 Not tainted syzkaller #0 PREEMPT [ 113.974362][ T8938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 113.974368][ T8938] Call trace: [ 113.974372][ T8938] show_stack+0x2c/0x3c (C) [ 113.974386][ T8938] __dump_stack+0x30/0x40 [ 113.974394][ T8938] dump_stack_lvl+0xd8/0x12c [ 113.974402][ T8938] dump_stack+0x1c/0x28 [ 113.974409][ T8938] should_fail_ex+0x418/0x58c [ 113.974418][ T8938] should_failslab+0xc4/0x120 [ 113.974427][ T8938] __kmalloc_cache_noprof+0x94/0x5fc [ 113.974440][ T8938] __arm64_sys_timerfd_create+0x150/0x34c [ 113.974450][ T8938] invoke_syscall+0x98/0x244 [ 113.974459][ T8938] el0_svc_common+0xec/0x23c [ 113.974466][ T8938] do_el0_svc+0x4c/0x5c [ 113.974474][ T8938] el0_svc+0x60/0x1d8 [ 113.974482][ T8938] el0t_64_sync_handler+0x44/0x104 [ 113.974490][ T8938] el0t_64_sync+0x198/0x19c [ 113.976885][ T8938] EXT4-fs: can't change dax mount option while remounting [ 113.981149][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 113.981333][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 114.022248][ T8939] FAULT_INJECTION: forcing a failure. [ 114.022248][ T8939] name failslab, interval 1, probability 0, space 0, times 0 [ 114.022268][ T8939] CPU: 1 UID: 0 PID: 8939 Comm: syz.0.632 Not tainted syzkaller #0 PREEMPT [ 114.022278][ T8939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.022283][ T8939] Call trace: [ 114.022286][ T8939] show_stack+0x2c/0x3c (C) [ 114.022302][ T8939] __dump_stack+0x30/0x40 [ 114.022310][ T8939] dump_stack_lvl+0xd8/0x12c [ 114.022318][ T8939] dump_stack+0x1c/0x28 [ 114.022325][ T8939] should_fail_ex+0x418/0x58c [ 114.022335][ T8939] should_failslab+0xc4/0x120 [ 114.022345][ T8939] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 114.022354][ T8939] __d_alloc+0x50/0x600 [ 114.022363][ T8939] d_alloc_pseudo+0x2c/0xd8 [ 114.022373][ T8939] alloc_path_pseudo+0xe8/0x1d4 [ 114.022382][ T8939] alloc_file_pseudo+0xb0/0x198 [ 114.022391][ T8939] __anon_inode_getfile+0x118/0x1c8 [ 114.022401][ T8939] anon_inode_getfile_fmode+0x4c/0xc0 [ 114.022409][ T8939] __arm64_sys_timerfd_create+0x274/0x34c [ 114.022419][ T8939] invoke_syscall+0x98/0x244 [ 114.022427][ T8939] el0_svc_common+0xec/0x23c [ 114.022434][ T8939] do_el0_svc+0x4c/0x5c [ 114.022442][ T8939] el0_svc+0x60/0x1d8 [ 114.022450][ T8939] el0t_64_sync_handler+0x44/0x104 [ 114.022457][ T8939] el0t_64_sync+0x198/0x19c [ 114.024146][ T8939] EXT4-fs: can't change dax mount option while remounting [ 114.035750][ T8935] FAULT_INJECTION: forcing a failure. [ 114.035750][ T8935] name failslab, interval 1, probability 0, space 0, times 0 [ 114.035769][ T8935] CPU: 1 UID: 0 PID: 8935 Comm: syz.1.630 Not tainted syzkaller #0 PREEMPT [ 114.035779][ T8935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.035785][ T8935] Call trace: [ 114.035788][ T8935] show_stack+0x2c/0x3c (C) [ 114.035801][ T8935] __dump_stack+0x30/0x40 [ 114.035810][ T8935] dump_stack_lvl+0xd8/0x12c [ 114.035817][ T8935] dump_stack+0x1c/0x28 [ 114.035824][ T8935] should_fail_ex+0x418/0x58c [ 114.035834][ T8935] should_failslab+0xc4/0x120 [ 114.035843][ T8935] __kmalloc_cache_noprof+0x94/0x5fc [ 114.035852][ T8935] __arm64_sys_timerfd_create+0x150/0x34c [ 114.035862][ T8935] invoke_syscall+0x98/0x244 [ 114.035870][ T8935] el0_svc_common+0xec/0x23c [ 114.035878][ T8935] do_el0_svc+0x4c/0x5c [ 114.035885][ T8935] el0_svc+0x60/0x1d8 [ 114.035893][ T8935] el0t_64_sync_handler+0x44/0x104 [ 114.035901][ T8935] el0t_64_sync+0x198/0x19c [ 114.036042][ T8935] EXT4-fs: can't change dax mount option while remounting [ 114.043051][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.044134][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 114.047547][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.053806][ T8959] set_capacity_and_notify: 50 callbacks suppressed [ 114.053815][ T8959] loop3: detected capacity change from 0 to 2048 [ 114.054136][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 114.126679][ T8959] FAULT_INJECTION: forcing a failure. [ 114.126679][ T8959] name failslab, interval 1, probability 0, space 0, times 0 [ 114.126701][ T8959] CPU: 1 UID: 0 PID: 8959 Comm: syz.3.634 Not tainted syzkaller #0 PREEMPT [ 114.126712][ T8959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.126717][ T8959] Call trace: [ 114.126721][ T8959] show_stack+0x2c/0x3c (C) [ 114.126736][ T8959] __dump_stack+0x30/0x40 [ 114.126744][ T8959] dump_stack_lvl+0xd8/0x12c [ 114.126752][ T8959] dump_stack+0x1c/0x28 [ 114.126759][ T8959] should_fail_ex+0x418/0x58c [ 114.126769][ T8959] should_failslab+0xc4/0x120 [ 114.126778][ T8959] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 114.126787][ T8959] __d_alloc+0x50/0x600 [ 114.126797][ T8959] d_alloc_pseudo+0x2c/0xd8 [ 114.126806][ T8959] alloc_path_pseudo+0xe8/0x1d4 [ 114.126816][ T8959] alloc_file_pseudo+0xb0/0x198 [ 114.126825][ T8959] __anon_inode_getfile+0x118/0x1c8 [ 114.126835][ T8959] anon_inode_getfile_fmode+0x4c/0xc0 [ 114.126843][ T8959] __arm64_sys_timerfd_create+0x274/0x34c [ 114.126852][ T8959] invoke_syscall+0x98/0x244 [ 114.126860][ T8959] el0_svc_common+0xec/0x23c [ 114.126868][ T8959] do_el0_svc+0x4c/0x5c [ 114.126875][ T8959] el0_svc+0x60/0x1d8 [ 114.126883][ T8959] el0t_64_sync_handler+0x44/0x104 [ 114.126891][ T8959] el0t_64_sync+0x198/0x19c [ 114.127140][ T8959] EXT4-fs: can't change dax mount option while remounting [ 114.148659][ T8954] FAULT_INJECTION: forcing a failure. [ 114.148659][ T8954] name failslab, interval 1, probability 0, space 0, times 0 [ 114.148685][ T8954] CPU: 1 UID: 0 PID: 8954 Comm: syz.2.633 Not tainted syzkaller #0 PREEMPT [ 114.148696][ T8954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.148701][ T8954] Call trace: [ 114.148704][ T8954] show_stack+0x2c/0x3c (C) [ 114.148718][ T8954] __dump_stack+0x30/0x40 [ 114.148728][ T8954] dump_stack_lvl+0xd8/0x12c [ 114.148735][ T8954] dump_stack+0x1c/0x28 [ 114.148743][ T8954] should_fail_ex+0x418/0x58c [ 114.148753][ T8954] should_failslab+0xc4/0x120 [ 114.148762][ T8954] __kmalloc_cache_noprof+0x94/0x5fc [ 114.148772][ T8954] __arm64_sys_timerfd_create+0x150/0x34c [ 114.148782][ T8954] invoke_syscall+0x98/0x244 [ 114.148790][ T8954] el0_svc_common+0xec/0x23c [ 114.148797][ T8954] do_el0_svc+0x4c/0x5c [ 114.148805][ T8954] el0_svc+0x60/0x1d8 [ 114.148814][ T8954] el0t_64_sync_handler+0x44/0x104 [ 114.148821][ T8954] el0t_64_sync+0x198/0x19c [ 114.149004][ T8959] FAULT_INJECTION: forcing a failure. [ 114.149004][ T8959] name failslab, interval 1, probability 0, space 0, times 0 [ 114.149014][ T8959] CPU: 1 UID: 0 PID: 8959 Comm: syz.3.634 Not tainted syzkaller #0 PREEMPT [ 114.149023][ T8959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.149027][ T8959] Call trace: [ 114.149030][ T8959] show_stack+0x2c/0x3c (C) [ 114.149038][ T8959] __dump_stack+0x30/0x40 [ 114.149046][ T8959] dump_stack_lvl+0xd8/0x12c [ 114.149053][ T8959] dump_stack+0x1c/0x28 [ 114.149067][ T8959] should_fail_ex+0x418/0x58c [ 114.149076][ T8959] should_failslab+0xc4/0x120 [ 114.149084][ T8959] __kmalloc_cache_noprof+0x94/0x5fc [ 114.149094][ T8959] __arm64_sys_timerfd_create+0x150/0x34c [ 114.149103][ T8959] invoke_syscall+0x98/0x244 [ 114.149111][ T8959] el0_svc_common+0xec/0x23c [ 114.149119][ T8959] do_el0_svc+0x4c/0x5c [ 114.149126][ T8959] el0_svc+0x60/0x1d8 [ 114.149133][ T8959] el0t_64_sync_handler+0x44/0x104 [ 114.149140][ T8959] el0t_64_sync+0x198/0x19c [ 114.149930][ T8954] EXT4-fs: can't change dax mount option while remounting [ 114.150641][ T8959] EXT4-fs: can't change dax mount option while remounting [ 114.158029][ T8699] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 114.168444][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.168734][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 114.191159][ T8954] FAULT_INJECTION: forcing a failure. [ 114.191159][ T8954] name failslab, interval 1, probability 0, space 0, times 0 [ 114.191177][ T8954] CPU: 1 UID: 0 PID: 8954 Comm: syz.2.633 Not tainted syzkaller #0 PREEMPT [ 114.191187][ T8954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.191192][ T8954] Call trace: [ 114.191195][ T8954] show_stack+0x2c/0x3c (C) [ 114.191210][ T8954] __dump_stack+0x30/0x40 [ 114.191219][ T8954] dump_stack_lvl+0xd8/0x12c [ 114.191227][ T8954] dump_stack+0x1c/0x28 [ 114.191234][ T8954] should_fail_ex+0x418/0x58c [ 114.191244][ T8954] should_failslab+0xc4/0x120 [ 114.191253][ T8954] __kmalloc_cache_noprof+0x94/0x5fc [ 114.191263][ T8954] __arm64_sys_timerfd_create+0x150/0x34c [ 114.191273][ T8954] invoke_syscall+0x98/0x244 [ 114.191281][ T8954] el0_svc_common+0xec/0x23c [ 114.191288][ T8954] do_el0_svc+0x4c/0x5c [ 114.191296][ T8954] el0_svc+0x60/0x1d8 [ 114.191304][ T8954] el0t_64_sync_handler+0x44/0x104 [ 114.191311][ T8954] el0t_64_sync+0x198/0x19c [ 114.191465][ T8954] EXT4-fs: can't change dax mount option while remounting [ 114.195025][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.195781][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 114.197865][ T8699] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 114.212534][ T8699] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 114.225022][ T8699] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 114.230806][ T8699] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 114.247088][ T8973] loop1: detected capacity change from 0 to 2048 [ 114.249704][ T8699] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 114.250048][ T8699] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 114.255563][ T8699] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 114.262508][ T8974] loop0: detected capacity change from 0 to 2048 [ 114.307680][ T8973] FAULT_INJECTION: forcing a failure. [ 114.307680][ T8973] name failslab, interval 1, probability 0, space 0, times 0 [ 114.307703][ T8973] CPU: 0 UID: 0 PID: 8973 Comm: syz.1.636 Not tainted syzkaller #0 PREEMPT [ 114.307715][ T8973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.307721][ T8973] Call trace: [ 114.307724][ T8973] show_stack+0x2c/0x3c (C) [ 114.307739][ T8973] __dump_stack+0x30/0x40 [ 114.307747][ T8973] dump_stack_lvl+0xd8/0x12c [ 114.307755][ T8973] dump_stack+0x1c/0x28 [ 114.307763][ T8973] should_fail_ex+0x418/0x58c [ 114.307773][ T8973] should_failslab+0xc4/0x120 [ 114.307782][ T8973] __kmalloc_cache_noprof+0x94/0x5fc [ 114.307792][ T8973] __arm64_sys_timerfd_create+0x150/0x34c [ 114.307802][ T8973] invoke_syscall+0x98/0x244 [ 114.307810][ T8973] el0_svc_common+0xec/0x23c [ 114.307818][ T8973] do_el0_svc+0x4c/0x5c [ 114.307825][ T8973] el0_svc+0x60/0x1d8 [ 114.307834][ T8973] el0t_64_sync_handler+0x44/0x104 [ 114.307841][ T8973] el0t_64_sync+0x198/0x19c [ 114.307990][ T8973] EXT4-fs: can't change dax mount option while remounting [ 114.331067][ T8986] loop3: detected capacity change from 0 to 2048 [ 114.344541][ T8699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.347429][ T8699] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.362532][ T8992] loop2: detected capacity change from 0 to 2048 [ 114.363990][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.364016][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 114.367983][ T8974] FAULT_INJECTION: forcing a failure. [ 114.367983][ T8974] name failslab, interval 1, probability 0, space 0, times 0 [ 114.368012][ T8974] CPU: 1 UID: 0 PID: 8974 Comm: syz.0.635 Not tainted syzkaller #0 PREEMPT [ 114.368023][ T8974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.368028][ T8974] Call trace: [ 114.368031][ T8974] show_stack+0x2c/0x3c (C) [ 114.368045][ T8974] __dump_stack+0x30/0x40 [ 114.368054][ T8974] dump_stack_lvl+0xd8/0x12c [ 114.368067][ T8974] dump_stack+0x1c/0x28 [ 114.368074][ T8974] should_fail_ex+0x418/0x58c [ 114.368086][ T8974] should_failslab+0xc4/0x120 [ 114.368096][ T8974] __kmalloc_cache_noprof+0x94/0x5fc [ 114.368105][ T8974] __arm64_sys_timerfd_create+0x150/0x34c [ 114.368115][ T8974] invoke_syscall+0x98/0x244 [ 114.368123][ T8974] el0_svc_common+0xec/0x23c [ 114.368131][ T8974] do_el0_svc+0x4c/0x5c [ 114.368139][ T8974] el0_svc+0x60/0x1d8 [ 114.368147][ T8974] el0t_64_sync_handler+0x44/0x104 [ 114.368154][ T8974] el0t_64_sync+0x198/0x19c [ 114.379907][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.379933][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 114.383350][ T8974] EXT4-fs: can't change dax mount option while remounting [ 114.445047][ T8974] FAULT_INJECTION: forcing a failure. [ 114.445047][ T8974] name failslab, interval 1, probability 0, space 0, times 0 [ 114.445106][ T8974] CPU: 1 UID: 0 PID: 8974 Comm: syz.0.635 Not tainted syzkaller #0 PREEMPT [ 114.445119][ T8974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.445126][ T8974] Call trace: [ 114.445130][ T8974] show_stack+0x2c/0x3c (C) [ 114.445144][ T8974] __dump_stack+0x30/0x40 [ 114.445152][ T8974] dump_stack_lvl+0xd8/0x12c [ 114.445160][ T8974] dump_stack+0x1c/0x28 [ 114.445167][ T8974] should_fail_ex+0x418/0x58c [ 114.445177][ T8974] should_failslab+0xc4/0x120 [ 114.445186][ T8974] __kmalloc_cache_noprof+0x94/0x5fc [ 114.445195][ T8974] __arm64_sys_timerfd_create+0x150/0x34c [ 114.445205][ T8974] invoke_syscall+0x98/0x244 [ 114.445213][ T8974] el0_svc_common+0xec/0x23c [ 114.445221][ T8974] do_el0_svc+0x4c/0x5c [ 114.445228][ T8974] el0_svc+0x60/0x1d8 [ 114.445236][ T8974] el0t_64_sync_handler+0x44/0x104 [ 114.445244][ T8974] el0t_64_sync+0x198/0x19c [ 114.445478][ T8974] EXT4-fs: can't change dax mount option while remounting [ 114.481364][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.483112][ T8973] FAULT_INJECTION: forcing a failure. [ 114.483112][ T8973] name failslab, interval 1, probability 0, space 0, times 0 [ 114.483133][ T8973] CPU: 0 UID: 0 PID: 8973 Comm: syz.1.636 Not tainted syzkaller #0 PREEMPT [ 114.483147][ T8973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.483152][ T8973] Call trace: [ 114.483155][ T8973] show_stack+0x2c/0x3c (C) [ 114.483169][ T8973] __dump_stack+0x30/0x40 [ 114.483178][ T8973] dump_stack_lvl+0xd8/0x12c [ 114.483185][ T8973] dump_stack+0x1c/0x28 [ 114.483192][ T8973] should_fail_ex+0x418/0x58c [ 114.483202][ T8973] should_failslab+0xc4/0x120 [ 114.483211][ T8973] __kmalloc_cache_noprof+0x94/0x5fc [ 114.483221][ T8973] __arm64_sys_timerfd_create+0x150/0x34c [ 114.483231][ T8973] invoke_syscall+0x98/0x244 [ 114.483239][ T8973] el0_svc_common+0xec/0x23c [ 114.483246][ T8973] do_el0_svc+0x4c/0x5c [ 114.483253][ T8973] el0_svc+0x60/0x1d8 [ 114.483262][ T8973] el0t_64_sync_handler+0x44/0x104 [ 114.483269][ T8973] el0t_64_sync+0x198/0x19c [ 114.483564][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 114.485705][ T8973] EXT4-fs: can't change dax mount option while remounting [ 114.500220][ T8986] FAULT_INJECTION: forcing a failure. [ 114.500220][ T8986] name failslab, interval 1, probability 0, space 0, times 0 [ 114.500246][ T8986] CPU: 0 UID: 0 PID: 8986 Comm: syz.3.637 Not tainted syzkaller #0 PREEMPT [ 114.500259][ T8986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.500266][ T8986] Call trace: [ 114.500271][ T8986] show_stack+0x2c/0x3c (C) [ 114.500286][ T8986] __dump_stack+0x30/0x40 [ 114.500295][ T8986] dump_stack_lvl+0xd8/0x12c [ 114.500302][ T8986] dump_stack+0x1c/0x28 [ 114.500310][ T8986] should_fail_ex+0x418/0x58c [ 114.500320][ T8986] should_failslab+0xc4/0x120 [ 114.500329][ T8986] __kmalloc_cache_noprof+0x94/0x5fc [ 114.500338][ T8986] __arm64_sys_timerfd_create+0x150/0x34c [ 114.500348][ T8986] invoke_syscall+0x98/0x244 [ 114.500356][ T8986] el0_svc_common+0xec/0x23c [ 114.500364][ T8986] do_el0_svc+0x4c/0x5c [ 114.500371][ T8986] el0_svc+0x60/0x1d8 [ 114.500380][ T8986] el0t_64_sync_handler+0x44/0x104 [ 114.500387][ T8986] el0t_64_sync+0x198/0x19c [ 114.500888][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.501116][ T8986] EXT4-fs: can't change dax mount option while remounting [ 114.501625][ T8992] FAULT_INJECTION: forcing a failure. [ 114.501625][ T8992] name failslab, interval 1, probability 0, space 0, times 0 [ 114.501638][ T8992] CPU: 0 UID: 0 PID: 8992 Comm: syz.2.638 Not tainted syzkaller #0 PREEMPT [ 114.501647][ T8992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.501652][ T8992] Call trace: [ 114.501655][ T8992] show_stack+0x2c/0x3c (C) [ 114.501665][ T8992] __dump_stack+0x30/0x40 [ 114.501673][ T8992] dump_stack_lvl+0xd8/0x12c [ 114.501680][ T8992] dump_stack+0x1c/0x28 [ 114.501687][ T8992] should_fail_ex+0x418/0x58c [ 114.501696][ T8992] should_failslab+0xc4/0x120 [ 114.501704][ T8992] __kmalloc_cache_noprof+0x94/0x5fc [ 114.501714][ T8992] __arm64_sys_timerfd_create+0x150/0x34c [ 114.501723][ T8992] invoke_syscall+0x98/0x244 [ 114.501731][ T8992] el0_svc_common+0xec/0x23c [ 114.501738][ T8992] do_el0_svc+0x4c/0x5c [ 114.501746][ T8992] el0_svc+0x60/0x1d8 [ 114.501753][ T8992] el0t_64_sync_handler+0x44/0x104 [ 114.501760][ T8992] el0t_64_sync+0x198/0x19c [ 114.504622][ T8992] EXT4-fs: can't change dax mount option while remounting [ 114.525900][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 114.576290][ T8992] FAULT_INJECTION: forcing a failure. [ 114.576290][ T8992] name failslab, interval 1, probability 0, space 0, times 0 [ 114.576309][ T8992] CPU: 0 UID: 0 PID: 8992 Comm: syz.2.638 Not tainted syzkaller #0 PREEMPT [ 114.576320][ T8992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.576326][ T8992] Call trace: [ 114.576329][ T8992] show_stack+0x2c/0x3c (C) [ 114.576343][ T8992] __dump_stack+0x30/0x40 [ 114.576352][ T8992] dump_stack_lvl+0xd8/0x12c [ 114.576359][ T8992] dump_stack+0x1c/0x28 [ 114.576366][ T8992] should_fail_ex+0x418/0x58c [ 114.576376][ T8992] should_failslab+0xc4/0x120 [ 114.576385][ T8992] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 114.576394][ T8992] __d_alloc+0x50/0x600 [ 114.576404][ T8992] d_alloc_pseudo+0x2c/0xd8 [ 114.576413][ T8992] alloc_path_pseudo+0xe8/0x1d4 [ 114.576422][ T8992] alloc_file_pseudo+0xb0/0x198 [ 114.576431][ T8992] __anon_inode_getfile+0x118/0x1c8 [ 114.576441][ T8992] anon_inode_getfile_fmode+0x4c/0xc0 [ 114.576449][ T8992] __arm64_sys_timerfd_create+0x274/0x34c [ 114.576458][ T8992] invoke_syscall+0x98/0x244 [ 114.576466][ T8992] el0_svc_common+0xec/0x23c [ 114.576474][ T8992] do_el0_svc+0x4c/0x5c [ 114.576481][ T8992] el0_svc+0x60/0x1d8 [ 114.576490][ T8992] el0t_64_sync_handler+0x44/0x104 [ 114.576497][ T8992] el0t_64_sync+0x198/0x19c [ 114.580277][ T8992] EXT4-fs: can't change dax mount option while remounting [ 114.582142][ T8986] FAULT_INJECTION: forcing a failure. [ 114.582142][ T8986] name failslab, interval 1, probability 0, space 0, times 0 [ 114.582162][ T8986] CPU: 0 UID: 0 PID: 8986 Comm: syz.3.637 Not tainted syzkaller #0 PREEMPT [ 114.582173][ T8986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.582179][ T8986] Call trace: [ 114.582182][ T8986] show_stack+0x2c/0x3c (C) [ 114.582195][ T8986] __dump_stack+0x30/0x40 [ 114.582204][ T8986] dump_stack_lvl+0xd8/0x12c [ 114.582212][ T8986] dump_stack+0x1c/0x28 [ 114.582220][ T8986] should_fail_ex+0x418/0x58c [ 114.582229][ T8986] should_failslab+0xc4/0x120 [ 114.582238][ T8986] __kmalloc_cache_noprof+0x94/0x5fc [ 114.582247][ T8986] __arm64_sys_timerfd_create+0x150/0x34c [ 114.582256][ T8986] invoke_syscall+0x98/0x244 [ 114.582264][ T8986] el0_svc_common+0xec/0x23c [ 114.582272][ T8986] do_el0_svc+0x4c/0x5c [ 114.582279][ T8986] el0_svc+0x60/0x1d8 [ 114.582286][ T8986] el0t_64_sync_handler+0x44/0x104 [ 114.582294][ T8986] el0t_64_sync+0x198/0x19c [ 114.582446][ T8986] EXT4-fs: can't change dax mount option while remounting [ 114.592582][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.593809][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 114.597610][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.597963][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 114.614230][ T9019] loop1: detected capacity change from 0 to 2048 [ 114.660474][ T4428] 8021q: adding VLAN 0 to HW filter on device eth3 [ 114.665159][ T9025] loop0: detected capacity change from 0 to 2048 [ 114.714019][ T9019] FAULT_INJECTION: forcing a failure. [ 114.714019][ T9019] name failslab, interval 1, probability 0, space 0, times 0 [ 114.714052][ T9019] CPU: 0 UID: 0 PID: 9019 Comm: syz.1.640 Not tainted syzkaller #0 PREEMPT [ 114.714065][ T9019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.714073][ T9019] Call trace: [ 114.714076][ T9019] show_stack+0x2c/0x3c (C) [ 114.714091][ T9019] __dump_stack+0x30/0x40 [ 114.714100][ T9019] dump_stack_lvl+0xd8/0x12c [ 114.714107][ T9019] dump_stack+0x1c/0x28 [ 114.714115][ T9019] should_fail_ex+0x418/0x58c [ 114.714125][ T9019] should_failslab+0xc4/0x120 [ 114.714134][ T9019] __kmalloc_cache_noprof+0x94/0x5fc [ 114.714144][ T9019] __arm64_sys_timerfd_create+0x150/0x34c [ 114.714154][ T9019] invoke_syscall+0x98/0x244 [ 114.714162][ T9019] el0_svc_common+0xec/0x23c [ 114.714170][ T9019] do_el0_svc+0x4c/0x5c [ 114.714177][ T9019] el0_svc+0x60/0x1d8 [ 114.714185][ T9019] el0t_64_sync_handler+0x44/0x104 [ 114.714193][ T9019] el0t_64_sync+0x198/0x19c [ 114.714363][ T9019] EXT4-fs: can't change dax mount option while remounting [ 114.727987][ T8699] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.739965][ T9034] loop3: detected capacity change from 0 to 2048 [ 114.749130][ T9030] loop2: detected capacity change from 0 to 2048 [ 114.756684][ T9025] FAULT_INJECTION: forcing a failure. [ 114.756684][ T9025] name failslab, interval 1, probability 0, space 0, times 0 [ 114.756705][ T9025] CPU: 0 UID: 0 PID: 9025 Comm: syz.0.639 Not tainted syzkaller #0 PREEMPT [ 114.756715][ T9025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.756721][ T9025] Call trace: [ 114.756724][ T9025] show_stack+0x2c/0x3c (C) [ 114.756739][ T9025] __dump_stack+0x30/0x40 [ 114.756748][ T9025] dump_stack_lvl+0xd8/0x12c [ 114.756755][ T9025] dump_stack+0x1c/0x28 [ 114.756763][ T9025] should_fail_ex+0x418/0x58c [ 114.756773][ T9025] should_failslab+0xc4/0x120 [ 114.756782][ T9025] kmem_cache_alloc_lru_noprof+0x98/0x5d8 [ 114.756791][ T9025] __d_alloc+0x50/0x600 [ 114.756801][ T9025] d_alloc_pseudo+0x2c/0xd8 [ 114.756810][ T9025] alloc_path_pseudo+0xe8/0x1d4 [ 114.756820][ T9025] alloc_file_pseudo+0xb0/0x198 [ 114.756829][ T9025] __anon_inode_getfile+0x118/0x1c8 [ 114.756838][ T9025] anon_inode_getfile_fmode+0x4c/0xc0 [ 114.756847][ T9025] __arm64_sys_timerfd_create+0x274/0x34c [ 114.756856][ T9025] invoke_syscall+0x98/0x244 [ 114.756864][ T9025] el0_svc_common+0xec/0x23c [ 114.756871][ T9025] do_el0_svc+0x4c/0x5c [ 114.756878][ T9025] el0_svc+0x60/0x1d8 [ 114.756887][ T9025] el0t_64_sync_handler+0x44/0x104 [ 114.756894][ T9025] el0t_64_sync+0x198/0x19c [ 114.757041][ T9025] EXT4-fs: can't change dax mount option while remounting [ 114.829420][ T9019] FAULT_INJECTION: forcing a failure. [ 114.829420][ T9019] name failslab, interval 1, probability 0, space 0, times 0 [ 114.829449][ T9019] CPU: 0 UID: 0 PID: 9019 Comm: syz.1.640 Not tainted syzkaller #0 PREEMPT [ 114.829460][ T9019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.829465][ T9019] Call trace: [ 114.829468][ T9019] show_stack+0x2c/0x3c (C) [ 114.829483][ T9019] __dump_stack+0x30/0x40 [ 114.829493][ T9019] dump_stack_lvl+0xd8/0x12c [ 114.829500][ T9019] dump_stack+0x1c/0x28 [ 114.829508][ T9019] should_fail_ex+0x418/0x58c [ 114.829518][ T9019] should_failslab+0xc4/0x120 [ 114.829527][ T9019] __kmalloc_cache_noprof+0x94/0x5fc [ 114.829537][ T9019] __arm64_sys_timerfd_create+0x150/0x34c [ 114.829547][ T9019] invoke_syscall+0x98/0x244 [ 114.829555][ T9019] el0_svc_common+0xec/0x23c [ 114.829562][ T9019] do_el0_svc+0x4c/0x5c [ 114.829570][ T9019] el0_svc+0x60/0x1d8 [ 114.829578][ T9019] el0t_64_sync_handler+0x44/0x104 [ 114.829585][ T9019] el0t_64_sync+0x198/0x19c [ 114.829823][ T9019] EXT4-fs: can't change dax mount option while remounting [ 114.834669][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.836048][ T9034] FAULT_INJECTION: forcing a failure. [ 114.836048][ T9034] name failslab, interval 1, probability 0, space 0, times 0 [ 114.836069][ T9034] CPU: 1 UID: 0 PID: 9034 Comm: syz.3.641 Not tainted syzkaller #0 PREEMPT [ 114.836081][ T9034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.836087][ T9034] Call trace: [ 114.836091][ T9034] show_stack+0x2c/0x3c (C) [ 114.836106][ T9034] __dump_stack+0x30/0x40 [ 114.836115][ T9034] dump_stack_lvl+0xd8/0x12c [ 114.836124][ T9034] dump_stack+0x1c/0x28 [ 114.836131][ T9034] should_fail_ex+0x418/0x58c [ 114.836141][ T9034] should_failslab+0xc4/0x120 [ 114.836150][ T9034] __kmalloc_cache_noprof+0x94/0x5fc [ 114.836159][ T9034] __arm64_sys_timerfd_create+0x150/0x34c [ 114.836169][ T9034] invoke_syscall+0x98/0x244 [ 114.836177][ T9034] el0_svc_common+0xec/0x23c [ 114.836185][ T9034] do_el0_svc+0x4c/0x5c [ 114.836192][ T9034] el0_svc+0x60/0x1d8 [ 114.836200][ T9034] el0t_64_sync_handler+0x44/0x104 [ 114.836208][ T9034] el0t_64_sync+0x198/0x19c [ 114.870634][ T9054] EXT4-fs: can't change dax mount option while remounting [ 114.888604][ T9025] FAULT_INJECTION: forcing a failure. [ 114.888604][ T9025] name fail_futex, interval 1, probability 0, space 0, times 0 [ 114.888625][ T9025] CPU: 0 UID: 0 PID: 9025 Comm: syz.0.639 Not tainted syzkaller #0 PREEMPT [ 114.888638][ T9025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.888644][ T9025] Call trace: [ 114.888647][ T9025] show_stack+0x2c/0x3c (C) [ 114.888661][ T9025] __dump_stack+0x30/0x40 [ 114.888670][ T9025] dump_stack_lvl+0xd8/0x12c [ 114.888677][ T9025] dump_stack+0x1c/0x28 [ 114.888684][ T9025] should_fail_ex+0x418/0x58c [ 114.888694][ T9025] should_fail+0x14/0x24 [ 114.888702][ T9025] get_futex_key+0x1ec/0x12b0 [ 114.888713][ T9025] futex_wake+0x10c/0x594 [ 114.888720][ T9025] do_futex+0x2c4/0x378 [ 114.888730][ T9025] __arm64_sys_futex+0x2e4/0x418 [ 114.888740][ T9025] invoke_syscall+0x98/0x244 [ 114.888748][ T9025] el0_svc_common+0xec/0x23c [ 114.888756][ T9025] do_el0_svc+0x4c/0x5c [ 114.888763][ T9025] el0_svc+0x60/0x1d8 [ 114.888771][ T9025] el0t_64_sync_handler+0x44/0x104 [ 114.888778][ T9025] el0t_64_sync+0x198/0x19c [ 114.909715][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 114.909933][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 114.914849][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 114.920886][ T9034] EXT4-fs: can't change dax mount option while remounting [ 114.926241][ T9030] FAULT_INJECTION: forcing a failure. [ 114.926241][ T9030] name failslab, interval 1, probability 0, space 0, times 0 [ 114.926257][ T9030] CPU: 0 UID: 0 PID: 9030 Comm: syz.2.642 Not tainted syzkaller #0 PREEMPT [ 114.926268][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.926273][ T9030] Call trace: [ 114.926276][ T9030] show_stack+0x2c/0x3c (C) [ 114.926291][ T9030] __dump_stack+0x30/0x40 [ 114.926300][ T9030] dump_stack_lvl+0xd8/0x12c [ 114.926308][ T9030] dump_stack+0x1c/0x28 [ 114.926315][ T9030] should_fail_ex+0x418/0x58c [ 114.926325][ T9030] should_failslab+0xc4/0x120 [ 114.926334][ T9030] __kmalloc_cache_noprof+0x94/0x5fc [ 114.926344][ T9030] __arm64_sys_timerfd_create+0x150/0x34c [ 114.926354][ T9030] invoke_syscall+0x98/0x244 [ 114.926362][ T9030] el0_svc_common+0xec/0x23c [ 114.926370][ T9030] do_el0_svc+0x4c/0x5c [ 114.926378][ T9030] el0_svc+0x60/0x1d8 [ 114.926386][ T9030] el0t_64_sync_handler+0x44/0x104 [ 114.926393][ T9030] el0t_64_sync+0x198/0x19c [ 114.937153][ T9030] EXT4-fs: can't change dax mount option while remounting [ 114.967310][ T9034] FAULT_INJECTION: forcing a failure. [ 114.967310][ T9034] name failslab, interval 1, probability 0, space 0, times 0 [ 114.967345][ T9034] CPU: 0 UID: 0 PID: 9034 Comm: syz.3.641 Not tainted syzkaller #0 PREEMPT [ 114.967356][ T9034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 114.967362][ T9034] Call trace: [ 114.967365][ T9034] show_stack+0x2c/0x3c (C) [ 114.967381][ T9034] __dump_stack+0x30/0x40 [ 114.967392][ T9034] dump_stack_lvl+0xd8/0x12c [ 114.967400][ T9034] dump_stack+0x1c/0x28 [ 114.967407][ T9034] should_fail_ex+0x418/0x58c [ 114.967417][ T9034] should_failslab+0xc4/0x120 [ 114.967426][ T9034] __kmalloc_cache_noprof+0x94/0x5fc [ 114.967436][ T9034] __arm64_sys_timerfd_create+0x150/0x34c [ 114.967447][ T9034] invoke_syscall+0x98/0x244 [ 114.967455][ T9034] el0_svc_common+0xec/0x23c [ 114.967462][ T9034] do_el0_svc+0x4c/0x5c [ 114.967470][ T9034] el0_svc+0x60/0x1d8 [ 114.967478][ T9034] el0t_64_sync_handler+0x44/0x104 [ 114.967486][ T9034] el0t_64_sync+0x198/0x19c [ 114.980983][ T9034] EXT4-fs: can't change dax mount option while remounting [ 114.995244][ T8699] veth0_vlan: entered promiscuous mode [ 114.997480][ T8699] veth1_vlan: entered promiscuous mode [ 115.002282][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.002560][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 115.003668][ T9030] FAULT_INJECTION: forcing a failure. [ 115.003668][ T9030] name failslab, interval 1, probability 0, space 0, times 0 [ 115.003700][ T9030] CPU: 0 UID: 0 PID: 9030 Comm: syz.2.642 Not tainted syzkaller #0 PREEMPT [ 115.003711][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.003717][ T9030] Call trace: [ 115.003720][ T9030] show_stack+0x2c/0x3c (C) [ 115.003735][ T9030] __dump_stack+0x30/0x40 [ 115.003743][ T9030] dump_stack_lvl+0xd8/0x12c [ 115.003751][ T9030] dump_stack+0x1c/0x28 [ 115.003759][ T9030] should_fail_ex+0x418/0x58c [ 115.003768][ T9030] should_failslab+0xc4/0x120 [ 115.003777][ T9030] __kmalloc_cache_noprof+0x94/0x5fc [ 115.003787][ T9030] __arm64_sys_timerfd_create+0x150/0x34c [ 115.003797][ T9030] invoke_syscall+0x98/0x244 [ 115.003805][ T9030] el0_svc_common+0xec/0x23c [ 115.003813][ T9030] do_el0_svc+0x4c/0x5c [ 115.003820][ T9030] el0_svc+0x60/0x1d8 [ 115.003828][ T9030] el0t_64_sync_handler+0x44/0x104 [ 115.003836][ T9030] el0t_64_sync+0x198/0x19c [ 115.004033][ T9030] EXT4-fs: can't change dax mount option while remounting [ 115.007562][ T8699] veth0_macvtap: entered promiscuous mode [ 115.012788][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.014364][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 115.034288][ T9065] loop0: detected capacity change from 0 to 2048 [ 115.041555][ T8699] veth1_macvtap: entered promiscuous mode [ 115.045574][ T8699] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 115.046605][ T8699] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.058980][ T50] Bluetooth: hci0: command tx timeout [ 115.080586][ T3352] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.080758][ T3109] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.080780][ T3109] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.080797][ T3109] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.122369][ T1156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.122385][ T1156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.127443][ T9065] FAULT_INJECTION: forcing a failure. [ 115.127443][ T9065] name failslab, interval 1, probability 0, space 0, times 0 [ 115.127468][ T9065] CPU: 0 UID: 0 PID: 9065 Comm: syz.0.644 Not tainted syzkaller #0 PREEMPT [ 115.127480][ T9065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.127487][ T9065] Call trace: [ 115.127490][ T9065] show_stack+0x2c/0x3c (C) [ 115.127506][ T9065] __dump_stack+0x30/0x40 [ 115.127515][ T9065] dump_stack_lvl+0xd8/0x12c [ 115.127523][ T9065] dump_stack+0x1c/0x28 [ 115.127530][ T9065] should_fail_ex+0x418/0x58c [ 115.127540][ T9065] should_failslab+0xc4/0x120 [ 115.127549][ T9065] __kmalloc_cache_noprof+0x94/0x5fc [ 115.127559][ T9065] __arm64_sys_timerfd_create+0x150/0x34c [ 115.127569][ T9065] invoke_syscall+0x98/0x244 [ 115.127577][ T9065] el0_svc_common+0xec/0x23c [ 115.127585][ T9065] do_el0_svc+0x4c/0x5c [ 115.127592][ T9065] el0_svc+0x60/0x1d8 [ 115.127601][ T9065] el0t_64_sync_handler+0x44/0x104 [ 115.127608][ T9065] el0t_64_sync+0x198/0x19c [ 115.136091][ T9065] EXT4-fs: can't change dax mount option while remounting [ 115.155073][ T9063] FAULT_INJECTION: forcing a failure. [ 115.155073][ T9063] name failslab, interval 1, probability 0, space 0, times 0 [ 115.155100][ T9063] CPU: 0 UID: 0 PID: 9063 Comm: syz.1.643 Not tainted syzkaller #0 PREEMPT [ 115.155111][ T9063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.155116][ T9063] Call trace: [ 115.155119][ T9063] show_stack+0x2c/0x3c (C) [ 115.155134][ T9063] __dump_stack+0x30/0x40 [ 115.155142][ T9063] dump_stack_lvl+0xd8/0x12c [ 115.155150][ T9063] dump_stack+0x1c/0x28 [ 115.155157][ T9063] should_fail_ex+0x418/0x58c [ 115.155167][ T9063] should_failslab+0xc4/0x120 [ 115.155176][ T9063] __kmalloc_cache_noprof+0x94/0x5fc [ 115.155185][ T9063] __arm64_sys_timerfd_create+0x150/0x34c [ 115.155196][ T9063] invoke_syscall+0x98/0x244 [ 115.155204][ T9063] el0_svc_common+0xec/0x23c [ 115.155211][ T9063] do_el0_svc+0x4c/0x5c [ 115.155219][ T9063] el0_svc+0x60/0x1d8 [ 115.155227][ T9063] el0t_64_sync_handler+0x44/0x104 [ 115.155235][ T9063] el0t_64_sync+0x198/0x19c [ 115.155384][ T9063] EXT4-fs: can't change dax mount option while remounting [ 115.183378][ T3352] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.183393][ T3352] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.184073][ T9065] FAULT_INJECTION: forcing a failure. [ 115.184073][ T9065] name failslab, interval 1, probability 0, space 0, times 0 [ 115.184091][ T9065] CPU: 0 UID: 0 PID: 9065 Comm: syz.0.644 Not tainted syzkaller #0 PREEMPT [ 115.184101][ T9065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.184107][ T9065] Call trace: [ 115.184110][ T9065] show_stack+0x2c/0x3c (C) [ 115.184125][ T9065] __dump_stack+0x30/0x40 [ 115.184134][ T9065] dump_stack_lvl+0xd8/0x12c [ 115.184142][ T9065] dump_stack+0x1c/0x28 [ 115.184149][ T9065] should_fail_ex+0x418/0x58c [ 115.184159][ T9065] should_failslab+0xc4/0x120 [ 115.184169][ T9065] __kmalloc_cache_noprof+0x94/0x5fc [ 115.184178][ T9065] __arm64_sys_timerfd_create+0x150/0x34c [ 115.184189][ T9065] invoke_syscall+0x98/0x244 [ 115.184197][ T9065] el0_svc_common+0xec/0x23c [ 115.184205][ T9065] do_el0_svc+0x4c/0x5c [ 115.184212][ T9065] el0_svc+0x60/0x1d8 [ 115.184221][ T9065] el0t_64_sync_handler+0x44/0x104 [ 115.184228][ T9065] el0t_64_sync+0x198/0x19c [ 115.184382][ T9065] EXT4-fs: can't change dax mount option while remounting [ 115.191864][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.193218][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 115.248829][ T9063] FAULT_INJECTION: forcing a failure. [ 115.248829][ T9063] name failslab, interval 1, probability 0, space 0, times 0 [ 115.248852][ T9063] CPU: 0 UID: 0 PID: 9063 Comm: syz.1.643 Not tainted syzkaller #0 PREEMPT [ 115.248869][ T9063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.248879][ T9063] Call trace: [ 115.248883][ T9063] show_stack+0x2c/0x3c (C) [ 115.248899][ T9063] __dump_stack+0x30/0x40 [ 115.248908][ T9063] dump_stack_lvl+0xd8/0x12c [ 115.248917][ T9063] dump_stack+0x1c/0x28 [ 115.248924][ T9063] should_fail_ex+0x418/0x58c [ 115.248936][ T9063] should_failslab+0xc4/0x120 [ 115.248946][ T9063] __kmalloc_cache_noprof+0x94/0x5fc [ 115.248957][ T9063] __arm64_sys_timerfd_create+0x150/0x34c [ 115.248967][ T9063] invoke_syscall+0x98/0x244 [ 115.248976][ T9063] el0_svc_common+0xec/0x23c [ 115.248984][ T9063] do_el0_svc+0x4c/0x5c [ 115.248991][ T9063] el0_svc+0x60/0x1d8 [ 115.249000][ T9063] el0t_64_sync_handler+0x44/0x104 [ 115.249007][ T9063] el0t_64_sync+0x198/0x19c [ 115.253645][ T4428] 8021q: adding VLAN 0 to HW filter on device eth2 [ 115.254492][ T9063] EXT4-fs: can't change dax mount option while remounting [ 115.271478][ T4881] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.273436][ T9070] FAULT_INJECTION: forcing a failure. [ 115.273436][ T9070] name failslab, interval 1, probability 0, space 0, times 0 [ 115.273455][ T9070] CPU: 0 UID: 0 PID: 9070 Comm: syz.3.645 Not tainted syzkaller #0 PREEMPT [ 115.273469][ T9070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.273474][ T9070] Call trace: [ 115.273478][ T9070] show_stack+0x2c/0x3c (C) [ 115.273492][ T9070] __dump_stack+0x30/0x40 [ 115.273500][ T9070] dump_stack_lvl+0xd8/0x12c [ 115.273508][ T9070] dump_stack+0x1c/0x28 [ 115.273515][ T9070] should_fail_ex+0x418/0x58c [ 115.273525][ T9070] should_failslab+0xc4/0x120 [ 115.273534][ T9070] __kmalloc_cache_noprof+0x94/0x5fc [ 115.273543][ T9070] __arm64_sys_timerfd_create+0x150/0x34c [ 115.273553][ T9070] invoke_syscall+0x98/0x244 [ 115.273561][ T9070] el0_svc_common+0xec/0x23c [ 115.273568][ T9070] do_el0_svc+0x4c/0x5c [ 115.273576][ T9070] el0_svc+0x60/0x1d8 [ 115.273584][ T9070] el0t_64_sync_handler+0x44/0x104 [ 115.273591][ T9070] el0t_64_sync+0x198/0x19c [ 115.273864][ T9070] EXT4-fs: can't change dax mount option while remounting [ 115.304780][ T4881] EXT4-fs (loop1): Remounting filesystem read-only [ 115.348874][ T9070] FAULT_INJECTION: forcing a failure. [ 115.348874][ T9070] name failslab, interval 1, probability 0, space 0, times 0 [ 115.348895][ T9070] CPU: 0 UID: 0 PID: 9070 Comm: syz.3.645 Not tainted syzkaller #0 PREEMPT [ 115.348905][ T9070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.348910][ T9070] Call trace: [ 115.348913][ T9070] show_stack+0x2c/0x3c (C) [ 115.348927][ T9070] __dump_stack+0x30/0x40 [ 115.348936][ T9070] dump_stack_lvl+0xd8/0x12c [ 115.348943][ T9070] dump_stack+0x1c/0x28 [ 115.348950][ T9070] should_fail_ex+0x418/0x58c [ 115.348960][ T9070] should_failslab+0xc4/0x120 [ 115.348969][ T9070] __kmalloc_cache_noprof+0x94/0x5fc [ 115.348979][ T9070] __arm64_sys_timerfd_create+0x150/0x34c [ 115.348989][ T9070] invoke_syscall+0x98/0x244 [ 115.348997][ T9070] el0_svc_common+0xec/0x23c [ 115.349004][ T9070] do_el0_svc+0x4c/0x5c [ 115.349011][ T9070] el0_svc+0x60/0x1d8 [ 115.349019][ T9070] el0t_64_sync_handler+0x44/0x104 [ 115.349027][ T9070] el0t_64_sync+0x198/0x19c [ 115.350994][ T9070] EXT4-fs: can't change dax mount option while remounting [ 115.382932][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.383636][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 115.405223][ T9090] FAULT_INJECTION: forcing a failure. [ 115.405223][ T9090] name failslab, interval 1, probability 0, space 0, times 0 [ 115.405244][ T9090] CPU: 1 UID: 0 PID: 9090 Comm: syz.0.647 Not tainted syzkaller #0 PREEMPT [ 115.405258][ T9090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.405266][ T9090] Call trace: [ 115.405270][ T9090] show_stack+0x2c/0x3c (C) [ 115.405288][ T9090] __dump_stack+0x30/0x40 [ 115.405298][ T9090] dump_stack_lvl+0xd8/0x12c [ 115.405306][ T9090] dump_stack+0x1c/0x28 [ 115.405313][ T9090] should_fail_ex+0x418/0x58c [ 115.405323][ T9090] should_failslab+0xc4/0x120 [ 115.405333][ T9090] __kmalloc_cache_noprof+0x94/0x5fc [ 115.405342][ T9090] __arm64_sys_timerfd_create+0x150/0x34c [ 115.405353][ T9090] invoke_syscall+0x98/0x244 [ 115.405361][ T9090] el0_svc_common+0xec/0x23c [ 115.405369][ T9090] do_el0_svc+0x4c/0x5c [ 115.405376][ T9090] el0_svc+0x60/0x1d8 [ 115.405385][ T9090] el0t_64_sync_handler+0x44/0x104 [ 115.405392][ T9090] el0t_64_sync+0x198/0x19c [ 115.431529][ T9090] EXT4-fs: can't change dax mount option while remounting [ 115.431974][ T9081] FAULT_INJECTION: forcing a failure. [ 115.431974][ T9081] name failslab, interval 1, probability 0, space 0, times 0 [ 115.431988][ T9081] CPU: 1 UID: 0 PID: 9081 Comm: syz.2.646 Not tainted syzkaller #0 PREEMPT [ 115.431999][ T9081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.432004][ T9081] Call trace: [ 115.432006][ T9081] show_stack+0x2c/0x3c (C) [ 115.432020][ T9081] __dump_stack+0x30/0x40 [ 115.432029][ T9081] dump_stack_lvl+0xd8/0x12c [ 115.432036][ T9081] dump_stack+0x1c/0x28 [ 115.432044][ T9081] should_fail_ex+0x418/0x58c [ 115.432053][ T9081] should_failslab+0xc4/0x120 [ 115.432071][ T9081] __kmalloc_cache_noprof+0x94/0x5fc [ 115.432080][ T9081] __arm64_sys_timerfd_create+0x150/0x34c [ 115.432091][ T9081] invoke_syscall+0x98/0x244 [ 115.432099][ T9081] el0_svc_common+0xec/0x23c [ 115.432107][ T9081] do_el0_svc+0x4c/0x5c [ 115.432115][ T9081] el0_svc+0x60/0x1d8 [ 115.432123][ T9081] el0t_64_sync_handler+0x44/0x104 [ 115.432130][ T9081] el0t_64_sync+0x198/0x19c [ 115.432556][ T9081] EXT4-fs: can't change dax mount option while remounting [ 115.473549][ T9108] EXT4-fs: can't change dax mount option while remounting [ 115.475195][ T9091] FAULT_INJECTION: forcing a failure. [ 115.475195][ T9091] name failslab, interval 1, probability 0, space 0, times 0 [ 115.475212][ T9091] CPU: 1 UID: 0 PID: 9091 Comm: syz.5.600 Not tainted syzkaller #0 PREEMPT [ 115.475222][ T9091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.475227][ T9091] Call trace: [ 115.475230][ T9091] show_stack+0x2c/0x3c (C) [ 115.475244][ T9091] __dump_stack+0x30/0x40 [ 115.475252][ T9091] dump_stack_lvl+0xd8/0x12c [ 115.475259][ T9091] dump_stack+0x1c/0x28 [ 115.475266][ T9091] should_fail_ex+0x418/0x58c [ 115.475276][ T9091] should_failslab+0xc4/0x120 [ 115.475285][ T9091] kmem_cache_alloc_noprof+0x94/0x5d4 [ 115.475294][ T9091] __kernfs_new_node+0xf0/0x7d8 [ 115.475302][ T9091] kernfs_new_node+0xe8/0x130 [ 115.475309][ T9091] __kernfs_create_file+0x60/0x2e0 [ 115.475317][ T9091] sysfs_add_file_mode_ns+0x1e8/0x2a4 [ 115.475325][ T9091] internal_create_group+0x550/0xb30 [ 115.475334][ T9091] internal_create_groups+0x64/0x138 [ 115.475342][ T9091] sysfs_create_groups+0x2c/0x3c [ 115.475351][ T9091] kobject_add_internal+0x2cc/0x6f0 [ 115.475361][ T9091] kobject_add_varg+0x9c/0xe8 [ 115.475369][ T9091] kobject_init_and_add+0xec/0x13c [ 115.475377][ T9091] dm_sysfs_init+0x74/0x84 [ 115.475388][ T9091] dm_setup_md_queue+0x27c/0x434 [ 115.475398][ T9091] table_load+0x3d4/0x764 [ 115.475407][ T9091] dm_ctl_ioctl+0x884/0xbbc [ 115.475415][ T9091] __arm64_sys_ioctl+0x154/0x1cc [ 115.475424][ T9091] invoke_syscall+0x98/0x244 [ 115.475432][ T9091] el0_svc_common+0xec/0x23c [ 115.475439][ T9091] do_el0_svc+0x4c/0x5c [ 115.475447][ T9091] el0_svc+0x60/0x1d8 [ 115.475454][ T9091] el0t_64_sync_handler+0x44/0x104 [ 115.475461][ T9091] el0t_64_sync+0x198/0x19c [ 115.475626][ T9091] kobject: kobject_add_internal failed for dm (error: -12 parent: dm-4) [ 115.487865][ T9090] FAULT_INJECTION: forcing a failure. [ 115.487865][ T9090] name failslab, interval 1, probability 0, space 0, times 0 [ 115.487889][ T9090] CPU: 0 UID: 0 PID: 9090 Comm: syz.0.647 Not tainted syzkaller #0 PREEMPT [ 115.487900][ T9090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.487905][ T9090] Call trace: [ 115.487908][ T9090] show_stack+0x2c/0x3c (C) [ 115.487922][ T9090] __dump_stack+0x30/0x40 [ 115.487932][ T9090] dump_stack_lvl+0xd8/0x12c [ 115.487940][ T9090] dump_stack+0x1c/0x28 [ 115.487947][ T9090] should_fail_ex+0x418/0x58c [ 115.487957][ T9090] should_failslab+0xc4/0x120 [ 115.487966][ T9090] __kmalloc_cache_noprof+0x94/0x5fc [ 115.487975][ T9090] __arm64_sys_timerfd_create+0x150/0x34c [ 115.487985][ T9090] invoke_syscall+0x98/0x244 [ 115.487994][ T9090] el0_svc_common+0xec/0x23c [ 115.488001][ T9090] do_el0_svc+0x4c/0x5c [ 115.488008][ T9090] el0_svc+0x60/0x1d8 [ 115.488017][ T9090] el0t_64_sync_handler+0x44/0x104 [ 115.488024][ T9090] el0t_64_sync+0x198/0x19c [ 115.492027][ T9090] EXT4-fs: can't change dax mount option while remounting [ 115.526899][ T4878] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.527168][ T4878] EXT4-fs (loop0): Remounting filesystem read-only [ 115.542353][ T9107] FAULT_INJECTION: forcing a failure. [ 115.542353][ T9107] name failslab, interval 1, probability 0, space 0, times 0 [ 115.542382][ T9107] CPU: 0 UID: 0 PID: 9107 Comm: syz.3.649 Not tainted syzkaller #0 PREEMPT [ 115.542393][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.542398][ T9107] Call trace: [ 115.542402][ T9107] show_stack+0x2c/0x3c (C) [ 115.542418][ T9107] __dump_stack+0x30/0x40 [ 115.542427][ T9107] dump_stack_lvl+0xd8/0x12c [ 115.542435][ T9107] dump_stack+0x1c/0x28 [ 115.542443][ T9107] should_fail_ex+0x418/0x58c [ 115.542452][ T9107] should_failslab+0xc4/0x120 [ 115.542462][ T9107] __kmalloc_cache_noprof+0x94/0x5fc [ 115.542472][ T9107] __arm64_sys_timerfd_create+0x150/0x34c [ 115.542482][ T9107] invoke_syscall+0x98/0x244 [ 115.542490][ T9107] el0_svc_common+0xec/0x23c [ 115.542498][ T9107] do_el0_svc+0x4c/0x5c [ 115.542505][ T9107] el0_svc+0x60/0x1d8 [ 115.542513][ T9107] el0t_64_sync_handler+0x44/0x104 [ 115.542521][ T9107] el0t_64_sync+0x198/0x19c [ 115.542928][ T9107] EXT4-fs: can't change dax mount option while remounting [ 115.562398][ T9091] device-mapper: ioctl: unable to set up device queue for new table. [ 115.571457][ T9107] FAULT_INJECTION: forcing a failure. [ 115.571457][ T9107] name failslab, interval 1, probability 0, space 0, times 0 [ 115.571474][ T9107] CPU: 0 UID: 0 PID: 9107 Comm: syz.3.649 Not tainted syzkaller #0 PREEMPT [ 115.571485][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.571490][ T9107] Call trace: [ 115.571493][ T9107] show_stack+0x2c/0x3c (C) [ 115.571508][ T9107] __dump_stack+0x30/0x40 [ 115.571516][ T9107] dump_stack_lvl+0xd8/0x12c [ 115.571524][ T9107] dump_stack+0x1c/0x28 [ 115.571531][ T9107] should_fail_ex+0x418/0x58c [ 115.571542][ T9107] should_failslab+0xc4/0x120 [ 115.571551][ T9107] __kmalloc_cache_noprof+0x94/0x5fc [ 115.571561][ T9107] __arm64_sys_timerfd_create+0x150/0x34c [ 115.571571][ T9107] invoke_syscall+0x98/0x244 [ 115.571579][ T9107] el0_svc_common+0xec/0x23c [ 115.571586][ T9107] do_el0_svc+0x4c/0x5c [ 115.571593][ T9107] el0_svc+0x60/0x1d8 [ 115.571602][ T9107] el0t_64_sync_handler+0x44/0x104 [ 115.571609][ T9107] el0t_64_sync+0x198/0x19c [ 115.571750][ T9107] EXT4-fs: can't change dax mount option while remounting [ 115.582399][ T4883] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.582570][ T4883] EXT4-fs (loop3): Remounting filesystem read-only [ 115.594570][ T9091] FAULT_INJECTION: forcing a failure. [ 115.594570][ T9091] name failslab, interval 1, probability 0, space 0, times 0 [ 115.594588][ T9091] CPU: 0 UID: 0 PID: 9091 Comm: syz.5.600 Not tainted syzkaller #0 PREEMPT [ 115.594599][ T9091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.594604][ T9091] Call trace: [ 115.594607][ T9091] show_stack+0x2c/0x3c (C) [ 115.594623][ T9091] __dump_stack+0x30/0x40 [ 115.594632][ T9091] dump_stack_lvl+0xd8/0x12c [ 115.594639][ T9091] dump_stack+0x1c/0x28 [ 115.594647][ T9091] should_fail_ex+0x418/0x58c [ 115.594657][ T9091] should_failslab+0xc4/0x120 [ 115.594666][ T9091] __kmalloc_cache_noprof+0x94/0x5fc [ 115.594676][ T9091] __arm64_sys_timerfd_create+0x150/0x34c [ 115.594686][ T9091] invoke_syscall+0x98/0x244 [ 115.594694][ T9091] el0_svc_common+0xec/0x23c [ 115.594702][ T9091] do_el0_svc+0x4c/0x5c [ 115.594709][ T9091] el0_svc+0x60/0x1d8 [ 115.594717][ T9091] el0t_64_sync_handler+0x44/0x104 [ 115.594725][ T9091] el0t_64_sync+0x198/0x19c [ 115.597382][ T9091] EXT4-fs: can't change dax mount option while remounting [ 115.599902][ T9081] FAULT_INJECTION: forcing a failure. [ 115.599902][ T9081] name failslab, interval 1, probability 0, space 0, times 0 [ 115.599925][ T9081] CPU: 0 UID: 0 PID: 9081 Comm: syz.2.646 Not tainted syzkaller #0 PREEMPT [ 115.599938][ T9081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.599943][ T9081] Call trace: [ 115.599946][ T9081] show_stack+0x2c/0x3c (C) [ 115.599957][ T9081] __dump_stack+0x30/0x40 [ 115.599966][ T9081] dump_stack_lvl+0xd8/0x12c [ 115.599974][ T9081] ** replaying previous printk message ** [ 115.599974][ T9081] dump_stack+0x1c/0x28 [ 115.599981][ T9081] should_fail_ex+0x418/0x58c [ 115.599990][ T9081] should_failslab+0xc4/0x120 [ 115.599998][ T9081] __kmalloc_cache_noprof+0x94/0x5fc [ 115.600008][ T9081] __arm64_sys_timerfd_create+0x150/0x34c [ 115.600017][ T9081] invoke_syscall+0x98/0x244 [ 115.600025][ T9081] el0_svc_common+0xec/0x23c [ 115.600033][ T9081] do_el0_svc+0x4c/0x5c [ 115.600040][ T9081] el0_svc+0x60/0x1d8 [ 115.600056][ T9081] el0t_64_sync_handler+0x44/0x104 [ 115.600064][ T9081] el0t_64_sync+0x198/0x19c [ 115.600589][ T9081] EXT4-fs: can't change dax mount option while remounting [ 115.608546][ T4890] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1317: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 115.609301][ T4890] EXT4-fs (loop2): Remounting filesystem read-only [ 115.610649][ T9121] EXT4-fs: can't change dax mount option while remounting [ 115.626223][ T9108] Unable to handle kernel paging request at virtual address dfff80000000000f [ 115.626235][ T9108] KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f] [ 115.626242][ T9108] Mem abort info: [ 115.626246][ T9108] ESR = 0x0000000096000005 [ 115.626250][ T9108] EC = 0x25: DABT (current EL), IL = 32 bits [ 115.626256][ T9108] SET = 0, FnV = 0 [ 115.626260][ T9108] EA = 0, S1PTW = 0 [ 115.626264][ T9108] FSC = 0x05: level 1 translation fault [ 115.626268][ T9108] Data abort info: [ 115.626271][ T9108] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 115.626276][ T9108] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 115.626281][ T9108] GCS = 0, Overlay = 0, DirtyBit = 0 [ 115.626286][ T9108] [dfff80000000000f] address between user and kernel address ranges [ 115.626346][ T9108] Internal error: Oops: 0000000096000005 [#1] SMP [ 115.628397][ T9102] FAULT_INJECTION: forcing a failure. [ 115.628397][ T9102] name failslab, interval 1, probability 0, space 0, times 0 [ 115.628419][ T9102] CPU: 1 UID: 0 PID: 9102 Comm: syz.1.648 Not tainted syzkaller #0 PREEMPT [ 115.628430][ T9102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.628436][ T9102] Call trace: [ 115.628439][ T9102] show_stack+0x2c/0x3c (C) [ 115.628454][ T9102] __dump_stack+0x30/0x40 [ 115.628462][ T9102] dump_stack_lvl+0xd8/0x12c [ 115.628470][ T9102] dump_stack+0x1c/0x28 [ 115.628477][ T9102] should_fail_ex+0x418/0x58c [ 115.628486][ T9102] should_failslab+0xc4/0x120 [ 115.628495][ T9102] kmem_cache_alloc_noprof+0x94/0x5d4 [ 115.628504][ T9102] mempool_alloc_slab+0x58/0x74 [ 115.628513][ T9102] mempool_init_node+0x1c0/0x484 [ 115.628521][ T9102] mempool_init_noprof+0x50/0x68 [ 115.628528][ T9102] bioset_init+0x274/0x67c [ 115.628539][ T9102] __alloc_disk_node+0x8c/0x4e4 [ 115.628548][ T9102] __blk_alloc_disk+0xec/0x1a8 [ 115.628557][ T9102] dm_create+0x3ec/0xd94 [ 115.628567][ T9102] dev_create+0x108/0x258 [ 115.628576][ T9102] dm_ctl_ioctl+0x884/0xbbc [ 115.628584][ T9102] __arm64_sys_ioctl+0x154/0x1cc [ 115.628593][ T9102] invoke_syscall+0x98/0x244 [ 115.628600][ T9102] el0_svc_common+0xec/0x23c [ 115.628608][ T9102] do_el0_svc+0x4c/0x5c [ 115.628615][ T9102] el0_svc+0x60/0x1d8 [ 115.628623][ T9102] el0t_64_sync_handler+0x44/0x104 [ 115.628630][ T9102] el0t_64_sync+0x198/0x19c [ 115.679516][ T9108] Modules linked in: [ 115.680261][ T9108] CPU: 0 UID: 0 PID: 9108 Comm: syz.5.600 Not tainted syzkaller #0 PREEMPT [ 115.681900][ T9108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 115.683818][ T9108] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 115.685294][ T9108] pc : blk_mq_exit_hctx+0x64/0x494 [ 115.686239][ T9108] lr : blk_mq_exit_hctx+0x40/0x494 [ 115.687205][ T9108] sp : ffff8000984475d0 [ 115.687975][ T9108] x29: ffff8000984475e0 x28: 0000000000000000 x27: 1fffe0001b03332a [ 115.689464][ T9108] x26: dfff800000000000 x25: ffff0000d8199950 x24: ffff0000c3aeffc0 [ 115.690950][ T9108] x23: 0000000000000078 x22: 0000000000000000 x21: ffff0000d3857000 [ 115.692410][ T9108] x20: ffff0000d8199800 x19: ffff0000eabc5388 x18: ffff8001237ae000 [ 115.693859][ T9108] x17: ffff0001acf6ce07 x16: ffff0000dad68014 x15: 0000000000000001 [ 115.695303][ T9108] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 [ 115.696778][ T9108] x11: 0000000000000000 x10: ffff0000eabc53bc x9 : 0000000000000000 [ 115.698237][ T9108] x8 : 000000000000000f x7 : 0000000000000000 x6 : 0000000000000000 [ 115.699708][ T9108] x5 : 0000000000000000 x4 : 0000000000000003 x3 : 0000000000000000 [ 115.701224][ T9108] x2 : ffff0000d8199800 x1 : ffff0000dad68000 x0 : 0000000000000000 [ 115.702715][ T9108] Call trace: [ 115.703296][ T9108] blk_mq_exit_hctx+0x64/0x494 (P) [ 115.704239][ T9108] __blk_mq_realloc_hw_ctxs+0x1f0/0x548 [ 115.705237][ T9108] blk_mq_init_allocated_queue+0x2a8/0xc44 [ 115.706254][ T9108] dm_mq_init_request_queue+0x2d8/0x474 [ 115.707254][ T9108] dm_setup_md_queue+0x134/0x434 [ 115.708137][ T9108] table_load+0x3d4/0x764 [ 115.708935][ T9108] dm_ctl_ioctl+0x884/0xbbc [ 115.709766][ T9108] __arm64_sys_ioctl+0x154/0x1cc [ 115.710656][ T9108] invoke_syscall+0x98/0x244 [ 115.711445][ T9108] el0_svc_common+0xec/0x23c [ 115.712252][ T9108] do_el0_svc+0x4c/0x5c [ 115.713001][ T9108] el0_svc+0x60/0x1d8 [ 115.713707][ T9108] el0t_64_sync_handler+0x44/0x104 [ 115.714607][ T9108] el0t_64_sync+0x198/0x19c [ 115.715417][ T9108] Code: 97cfdb27 f9400328 9101e117 d343fee8 (387a6908) [ 115.716631][ T9108] ---[ end trace 0000000000000000 ]--- [ 116.103516][ T9108] Kernel panic - not syncing: Oops: Fatal exception [ 116.104700][ T9108] SMP: stopping secondary CPUs [ 116.105532][ T9108] Kernel Offset: disabled [ 116.106241][ T9108] CPU features: 0x0,a0000000,00f00020,9c080a02,a84ff6a7 [ 116.107435][ T9108] Memory Limit: none [ 116.489292][ T9108] Rebooting in 86400 seconds..