EXT4-fs (loop0): error count since last fsck: 2
EXT4-fs (loop0): initial error at time 1712748681: ext4_validate_block_bitmap:432
EXT4-fs (loop0): last error at time 1712748681: ext4_mb_clear_bb:6537
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5095/1:b..l
rcu: (detected by 1, t=10504 jiffies, g=140565, q=86 ncpus=2)
task:syz-executor.0 state:R running task stack:18384 pid:5095 tgid:5095 ppid:5087 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7068
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 2a 6a 88 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90002e7f8c0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920005cff24 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcae940 RDI: ffffffff8c1f9f00
RBP: ffffc90002e7fa08 R08: ffffffff92f6c5a7 R09: 1ffffffff25ed8b4
R10: dffffc0000000000 R11: fffffbfff25ed8b5 R12: 1ffff920005cff20
R13: dffffc0000000000 R14: ffffc90002e7f920 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
ext4_get_group_info+0x123/0x400 fs/ext4/balloc.c:336
ext4_validate_inode_bitmap fs/ext4/ialloc.c:90 [inline]
ext4_read_inode_bitmap+0xaf1/0x1250 fs/ext4/ialloc.c:210
ext4_free_inode+0x4e1/0xfc0 fs/ext4/ialloc.c:287
ext4_evict_inode+0xbef/0xf50 fs/ext4/inode.c:303
evict+0x2a8/0x630 fs/inode.c:667
do_unlinkat+0x512/0x830 fs/namei.c:4406
__do_sys_unlink fs/namei.c:4447 [inline]
__se_sys_unlink fs/namei.c:4445 [inline]
__x64_sys_unlink+0x49/0x60 fs/namei.c:4445
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7fe078a7d617
RSP: 002b:00007fff8ff5a6a8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe078a7d617
RDX: 00007fff8ff5a6d0 RSI: 00007fff8ff5a760 RDI: 00007fff8ff5a760
RBP: 00007fff8ff5a760 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007fff8ff5b820
R13: 00007fe078ac93b9 R14: 00000000000cb815 R15: 0000000000000006
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g140565 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=65341
rcu: rcu_preempt kthread starved for 10502 jiffies! g140565 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:24336 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2030
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2232
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5179 Comm: syz-fuzzer Not tainted 6.9.0-rc3-next-20240409-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:86 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x79/0x290 mm/kasan/generic.c:189
Code: 4d 89 c1 49 c1 e9 03 49 be 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 <4c> 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 0f 85 c9 01 00 00 49 ff c3
RSP: 0000:ffffc900043479d0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 1ffffffff292763f RCX: ffffffff8173f3c2
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff9493b1f8
RBP: 0000000000000001 R08: ffffffff9493b1fb R09: 1ffffffff292763f
R10: dffffc0000000000 R11: fffffbfff292763f R12: ffffffff9493b1f8
R13: 1ffff92000868f4c R14: dffffc0000000001 R15: fffffbfff2927640
FS: 000000c0008c2090(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e22000 CR3: 000000007942e000 CR4: 00000000003506f0
Call Trace:
instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
do_raw_spin_lock+0x142/0x370 kernel/locking/spinlock_debug.c:116
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484
__run_hrtimer kernel/time/hrtimer.c:1660 [inline]
__hrtimer_run_queues+0x30f/0xd50 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x471f5a
Code: 48 8b 06 48 8b 4c 1e f8 48 89 07 48 89 4c 1f f8 c3 f3 0f 6f 06 f3 0f 6f 4c 1e f0 f3 0f 7f 07 f3 0f 7f 4c 1f f0 c3 f3 0f 6f 06 0f 6f 4e 10 f3 0f 6f 54 1e e0 f3 0f 6f 5c 1e f0 f3 0f 7f 07 f3
RSP: 002b:000000c000e72c48 EFLAGS: 00000246
RAX: 000000c00138b07d RBX: 0000000000000040 RCX: 0000000000000040
RDX: 000000000000703e RSI: 000000c00138b03d RDI: 000000c00138b07d
RBP: 000000c000e72cc0 R08: 000000c00138b07d R09: 000000c001384000
R10: 0000000000000040 R11: 0000000000000040 R12: 000000000000707d
R13: 000000000000703d R14: 000000c0000061a0 R15: 0000000000000002