rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5625/1:b..l P5598/1:b..l P10064/1:b..l P5623/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=75097, q=694 ncpus=1)
task:syz-executor state:R running task stack:22536 pid:5623 tgid:5623 ppid:5606 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5520 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7270
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7592
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5913
Code: ff ff ff e8 a0 a9 40 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 f2 44 f1 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 ba 25 6d ff cc 48 8d 3d 77 31 da
RSP: 0018:ffffc9000458f220 EFLAGS: 00000292
RAX: 9768fda4b9f83b00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000061438828 RSI: ffffffff8e6fc28f RDI: ffffffff8c6d9380
RBP: ffff88802bbb3e80 R08: bc00000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: ffffffff8ed5c6e0
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:183
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1418 [inline]
free_unref_folios+0xdc2/0x14e0 mm/page_alloc.c:3022
folios_put_refs+0x9e9/0xb30 mm/folio.c:1034
folio_batch_release include/linux/folio_batch.h:101 [inline]
shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1161
shmem_truncate_range mm/shmem.c:1289 [inline]
shmem_evict_inode+0x247/0xae0 mm/shmem.c:1420
evict+0x624/0xb50 fs/inode.c:822
filename_unlinkat+0x43f/0x610 fs/namei.c:5723
__do_sys_unlink fs/namei.c:5754 [inline]
__se_sys_unlink+0x2e/0x140 fs/namei.c:5751
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd1a39d247
RSP: 002b:00007ffd3600e158 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd1a39d247
RDX: 00007ffd3600e180 RSI: 00007ffd3600e210 RDI: 00007ffd3600e210
RBP: 00007ffd3600e210 R08: 00007ffd3600f210 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd3600f2a0
R13: 00007efd1a434474 R14: 000000000007cbfe R15: 00007ffd3600f2e0
task:syz.0.991 state:R running task stack:24360 pid:10064 tgid:10064 ppid:5625 task_flags:0x40044c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5520 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7270
preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7449
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
_raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
spin_unlock include/linux/spinlock.h:401 [inline]
zap_pte_range mm/memory.c:2095 [inline]
zap_pmd_range mm/memory.c:2151 [inline]
zap_pud_range mm/memory.c:2179 [inline]
zap_p4d_range mm/memory.c:2200 [inline]
__zap_vma_range+0x40e1/0x4f80 mm/memory.c:2240
unmap_vmas+0x390/0x550 mm/memory.c:2309
exit_mmap+0x293/0x9f0 mm/mmap.c:1315
__mmput+0x118/0x420 kernel/fork.c:1193
exit_mm+0x221/0x2d0 kernel/exit.c:614
do_exit+0x6cd/0x2360 kernel/exit.c:996
do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
get_signal+0x121b/0x12c0 kernel/signal.c:3039
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f768779ef49
RSP: 002b:00007ffe0a8ac038 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3
RAX: 0000000000000233 RBX: 00007f768775a4e0 RCX: 00007f768779ef49
RDX: 00007f768775a4e0 RSI: 0000000000000058 RDI: 00007ffe0a8ac090
RBP: 00007f76855f46c0 R08: 00007f76855f46c0 R09: 00007ffe0a8ac177
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8
R13: 000000000000006e R14: 00007ffe0a8ac090 R15: 00007ffe0a8ac178
task:syz-executor state:R running task stack:21936 pid:5598 tgid:5598 ppid:5597 task_flags:0x400100 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5520 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7270
preempt_schedule_notrace+0x56/0x90 kernel/sched/core.c:7542
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x81/0xb0 kernel/rcu/tree.c:754
rcu_read_unlock include/linux/rcupdate.h:878 [inline]
class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0x1b66/0x2550 arch/x86/kernel/unwind_orc.c:709
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:183
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1418 [inline]
__free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962
__slab_free+0x274/0x2c0 mm/slub.c:5815
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
__kmalloc_cache_noprof+0x29f/0x600 mm/slub.c:5559
_kmalloc_noprof include/linux/slab.h:991 [inline]
_kzalloc_noprof include/linux/slab.h:1312 [inline]
alloc_pipe_info+0xe8/0x4c0 fs/pipe.c:883
get_pipe_inode fs/pipe.c:977 [inline]
create_pipe_files+0x88/0x7c0 fs/pipe.c:1009
__do_pipe_flags+0x46/0x1f0 fs/pipe.c:1071
do_pipe2+0xaa/0x190 fs/pipe.c:1119
__do_sys_pipe2 fs/pipe.c:1137 [inline]
__se_sys_pipe2 fs/pipe.c:1135 [inline]
__x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1135
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7e1cb9d189
RSP: 002b:00007ffe4c1767f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 000055558f225ea0 RCX: 00007f7e1cb9d189
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007ffe4c176808
RBP: 00007ffe4c176de0 R08: 0000000000002ca0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4c176c20
R13: 000055558f228ac8 R14: 000055558f22a2e0 R15: 00007ffe4c176960
task:syz-executor state:R running task stack:22056 pid:5625 tgid:5625 ppid:1 task_flags:0x40054c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5520 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7270
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7592
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:132 [inline]
RIP: 0010:__raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
RIP: 0010:_raw_spin_unlock+0x30/0x50 kernel/locking/spinlock.c:213
Code: 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a cd bc f5 48 89 df e8 42 45 bd f5 bf 01 00 00 00 e8 f8 5e ae f5 65 48 8b 05 20 e2 ad 07 <48> 85 c0 74 07 5b e9 10 c3 29 f5 cc e8 5f e7 4c f5 5b e9 04 c3 29
RSP: 0018:ffffc900045af390 EFLAGS: 00000257
RAX: 0000000000000000 RBX: ffff88805f23e5a0 RCX: ffffffff9a9da501
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: ffffc900045af690 R08: ffff88805f23e5a3 R09: 1ffff1100be47cb4
R10: dffffc0000000000 R11: ffffed100be47cb5 R12: dffffc0000000000
R13: 00007f7687400000 R14: 0000000000000000 R15: 0000000000000000
spin_unlock include/linux/spinlock.h:401 [inline]
zap_pte_range mm/memory.c:2095 [inline]
zap_pmd_range mm/memory.c:2151 [inline]
zap_pud_range mm/memory.c:2179 [inline]
zap_p4d_range mm/memory.c:2200 [inline]
__zap_vma_range+0x40e1/0x4f80 mm/memory.c:2240
unmap_vmas+0x390/0x550 mm/memory.c:2309
exit_mmap+0x293/0x9f0 mm/mmap.c:1315
__mmput+0x118/0x420 kernel/fork.c:1193
exit_mm+0x221/0x2d0 kernel/exit.c:614
do_exit+0x6cd/0x2360 kernel/exit.c:996
do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
get_signal+0x121b/0x12c0 kernel/signal.c:3039
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f768775e98e
RSP: 002b:00007ffe0a8ac478 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000055556dd0b500 RCX: 00007f768775e98e
RDX: 0000000040000000 RSI: 00007ffe0a8ac51c RDI: ffffffffffffffff
RBP: 00007ffe0a8ac51c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000000bd
R13: 000055556dd1ea00 R14: 000000000007ce13 R15: 00007ffe0a8ac570