rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5930/1:b..l P5932/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=9821, q=601 ncpus=2)
task:syz-executor140 state:R running task stack:25920 pid:5932 tgid:5928 ppid:5836 task_flags:0x400140 flags:0x00080802
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x340 kernel/locking/lockdep.c:5872
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 14 c5 d8 10 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900045273f8 EFLAGS: 00000206
RAX: f3c48af0c124f400 RBX: 0000000000000000 RCX: f3c48af0c124f400
RDX: 000000005a44979c RSI: ffffffff8d952009 RDI: ffffffff8bbfc660
RBP: ffffffff8173ef25 R08: ffffffff8173ef25 R09: ffffffff8df41cc0
R10: ffffc900045275b8 R11: ffffffff81ad4ad0 R12: 0000000000000002
R13: ffffffff8df41cc0 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:867 [inline]
class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
unpoison_slab_object mm/kasan/common.c:342 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:368
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4948 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
kmem_cache_alloc_noprof+0x367/0x6f0 mm/slub.c:5265
lsm_file_alloc security/security.c:169 [inline]
security_file_alloc+0x34/0x330 security/security.c:2380
init_file+0x93/0x2f0 fs/file_table.c:159
alloc_empty_file+0x6e/0x1d0 fs/file_table.c:241
alloc_file fs/file_table.c:354 [inline]
alloc_file_pseudo+0x13d/0x210 fs/file_table.c:383
__anon_inode_getfile fs/anon_inodes.c:166 [inline]
anon_inode_getfile+0xc5/0x1a0 fs/anon_inodes.c:204
bpf_link_prime+0xfc/0x220 kernel/bpf/syscall.c:3448
bpf_raw_tp_link_attach+0x49a/0x6c0 kernel/bpf/syscall.c:4259
bpf_raw_tracepoint_open+0x1b2/0x220 kernel/bpf/syscall.c:4296
__sys_bpf+0x73e/0x860 kernel/bpf/syscall.c:6206
__do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fda50d38389
RSP: 002b:00007fda50ce1158 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fda50d38389
RDX: 0000000000000010 RSI: 0000200000000540 RDI: 0000000000000011
RBP: 0000200000000540 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda50dc21ac
R13: 0000000000000016 R14: 00007ffdff349060 R15: 00007ffdff349148
task:syz-executor140 state:R running task stack:26912 pid:5930 tgid:5926 ppid:5838 task_flags:0x400040 flags:0x00080800
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x340 kernel/locking/lockdep.c:5872
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 14 c5 d8 10 <48> 3b 44 24 58 0f 85 e5 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900045476d8 EFLAGS: 00000206
RAX: 6b7b5095fd489c00 RBX: 0000000000000000 RCX: 6b7b5095fd489c00
RDX: 000000005a44979c RSI: ffffffff8d952009 RDI: ffffffff8bbfc660
RBP: ffffffff8173ef25 R08: ffffffff8173ef25 R09: ffffffff8df41cc0
R10: ffffc900045478a8 R11: fffff520008a8f21 R12: 0000000000000002
R13: ffffffff8df41cc0 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:867 [inline]
class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
__unwind_start+0x5b9/0x760 arch/x86/kernel/unwind_orc.c:758
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe4/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
unpoison_slab_object mm/kasan/common.c:342 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:368
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4948 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
kmem_cache_alloc_lru_noprof+0x35d/0x6d0 mm/slub.c:5277
__d_alloc+0x37/0x6f0 fs/dcache.c:1691
d_alloc_pseudo+0x21/0xc0 fs/dcache.c:1822
alloc_path_pseudo fs/file_table.c:363 [inline]
alloc_file_pseudo+0xcc/0x210 fs/file_table.c:379
sock_alloc_file+0xb8/0x2e0 net/socket.c:483
sock_map_fd net/socket.c:508 [inline]
__sys_socket+0x13e/0x320 net/socket.c:1747
__do_sys_socket net/socket.c:1752 [inline]
__se_sys_socket net/socket.c:1750 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1750
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fda50d38389
RSP: 002b:00007fda50c9f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fda50dc21c8 RCX: 00007fda50d38389
RDX: 0000000000000106 RSI: 0000000000000001 RDI: 000000000000000a
RBP: 00007fda50dc21c0 R08: 00007ffdff349147 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda50dc21cc
R13: 0000000000000010 R14: 00007ffdff349060 R15: 00007ffdff349148