rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P13396/1:b..l P25024/1:b..l P5830/3:b..l
rcu: (detected by 0, t=10503 jiffies, g=144453, q=1202 ncpus=2)
task:syz-executor state:R running task stack:24056 pid:5830 tgid:5830 ppid:5829 task_flags:0x400100 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6961
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:7145
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0x107/0x120 kernel/softirq.c:414
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:910 [inline]
__dev_queue_xmit+0xb06/0x4490 net/core/dev.c:4740
dev_queue_xmit include/linux/netdevice.h:3358 [inline]
neigh_hh_output include/net/neighbour.h:531 [inline]
neigh_output include/net/neighbour.h:545 [inline]
ip_finish_output2+0xc38/0x21a0 net/ipv4/ip_output.c:235
__ip_finish_output.part.0+0x1b4/0x350 net/ipv4/ip_output.c:313
__ip_finish_output net/ipv4/ip_output.c:301 [inline]
ip_finish_output net/ipv4/ip_output.c:323 [inline]
NF_HOOK_COND include/linux/netfilter.h:307 [inline]
ip_output+0x35e/0xa10 net/ipv4/ip_output.c:436
dst_output include/net/dst.h:461 [inline]
ip_local_out net/ipv4/ip_output.c:129 [inline]
__ip_queue_xmit+0x1d30/0x2620 net/ipv4/ip_output.c:532
__tcp_transmit_skb+0x265f/0x3df0 net/ipv4/tcp_output.c:1479
tcp_transmit_skb net/ipv4/tcp_output.c:1497 [inline]
tcp_write_xmit+0x1274/0x84e0 net/ipv4/tcp_output.c:2833
tcp_sendmsg_locked+0x36cd/0x42a0 net/ipv4/tcp.c:1336
tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1393
inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:714 [inline]
__sock_sendmsg net/socket.c:729 [inline]
sock_write_iter+0x4aa/0x5b0 net/socket.c:1179
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x6c4/0x1150 fs/read_write.c:686
ksys_write+0x1f8/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb7c0d8d660
RSP: 002b:00007fffbbdce898 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000172439900 RCX: 00007fb7c0d8d660
RDX: 0000000000037b78 RSI: 00007fb7ba9c8488 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000007 R09: 00000000005ffde8
R10: 4a1c25a0c74654a9 R11: 0000000000000202 R12: 0000000000037b78
R13: 0000555589dce3e0 R14: 00007fffbbdced60 R15: 00007fb7ba9c8488
task:syz-executor state:R running task stack:24024 pid:25024 tgid:25024 ppid:25018 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6961
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288
irqentry_exit+0x36/0x90 kernel/entry/common.c:197
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [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+0x159/0x1b0 mm/kasan/generic.c:189
Code: 2c 48 89 c2 48 85 c0 75 ad 48 89 da 4c 89 d8 4c 29 da e9 46 ff ff ff 48 85 d2 74 18 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 0a <80> 38 00 74 f2 e9 75 ff ff ff 5b b8 01 00 00 00 5d 41 5c e9 4f d2
RSP: 0018:ffffc900047d7810 EFLAGS: 00000282
RAX: ffffed1003abbff6 RBX: ffffed1003abbff7 RCX: ffffffff822c0363
RDX: ffffed1003abbff7 RSI: 0000000000000008 RDI: ffff88801d5dffb0
RBP: ffffed1003abbff6 R08: 0000000000000001 R09: ffffed1003abbff6
R10: ffff88801d5dffb7 R11: 0000000000000000 R12: 00000000001207fb
R13: 0000000000000008 R14: ffff88801d5dffb8 R15: 0000000000000003
instrument_write include/linux/instrumented.h:40 [inline]
___clear_bit include/asm-generic/bitops/instrumented-non-atomic.h:44 [inline]
__update_page_owner_free_handle.constprop.0+0x183/0x4a0 mm/page_owner.c:276
__reset_page_owner+0x93/0x1a0 mm/page_owner.c:309
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
discard_slab mm/slub.c:2753 [inline]
__put_partials+0x165/0x1c0 mm/slub.c:3218
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:396
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4365 [inline]
__kmalloc_noprof+0x223/0x510 mm/slub.c:4377
kmalloc_noprof include/linux/slab.h:909 [inline]
tomoyo_realpath_from_path+0xc2/0x6e0 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x274/0x460 security/tomoyo/file.c:822
security_inode_getattr+0x116/0x290 security/security.c:2377
vfs_getattr fs/stat.c:259 [inline]
vfs_fstat+0x4b/0xe0 fs/stat.c:281
vfs_fstatat+0xbc/0xf0 fs/stat.c:373
__do_sys_newfstatat+0x97/0x120 fs/stat.c:542
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7eff6558d3fa
RSP: 002b:00007ffebb117098 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff6558d3fa
RDX: 00007ffebb1170a0 RSI: 00007eff6564ed42 RDI: 0000000000000003
RBP: 00007ffebb1170a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000206 R12: 00007ffebb1182a0
R13: 00007eff65611c05 R14: 0000000000186571 R15: 00007ffebb1182e0
task:kworker/u8:13 state:R running task stack:22264 pid:13396 tgid:13396 ppid:2 task_flags:0x24248060 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6961
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288
irqentry_exit+0x36/0x90 kernel/entry/common.c:197
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x183/0x2f0 kernel/locking/lockdep.c:5893
Code: 0f c1 05 38 3e 3e 12 83 f8 01 0f 85 1d 01 00 00 9c 58 f6 c4 02 0f 85 08 01 00 00 41 f7 c5 00 02 00 00 74 01 fb 48 8b 44 24 10 <65> 48 2b 05 4d fc 3d 12 0f 85 58 01 00 00 48 83 c4 18 5b 41 5c 41
RSP: 0018:ffffc90004e9e820 EFLAGS: 00000206
RAX: 689e237d505e8f00 RBX: ffffffff8e5c1160 RCX: ffffc90004e9e82c
RDX: 0000000000000004 RSI: ffffffff8de29498 RDI: ffffffff8c161180
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000014421 R12: ffffffff816ae8a4
R13: 0000000000000202 R14: ffff88802e084880 R15: 0000000000000005
rcu_lock_release include/linux/rcupdate.h:341 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x3f9/0x20a0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:330 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:356
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4180 [inline]
slab_alloc_node mm/slub.c:4229 [inline]
kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4236
mempool_alloc_noprof+0x179/0x390 mm/mempool.c:406
bio_alloc_bioset+0x47e/0x8b0 block/bio.c:555
bio_alloc include/linux/bio.h:372 [inline]
io_submit_init_bio fs/ext4/page-io.c:426 [inline]
io_submit_add_bh fs/ext4/page-io.c:448 [inline]
ext4_bio_write_folio+0x7c3/0x1dc0 fs/ext4/page-io.c:589
mpage_process_page_bufs+0x47c/0x8d0 fs/ext4/inode.c:2191
mpage_prepare_extent_to_map+0x79f/0x14d0 fs/ext4/inode.c:2736
ext4_do_writepages+0xa11/0x3cf0 fs/ext4/inode.c:2877
ext4_writepages+0x37a/0x7d0 fs/ext4/inode.c:3025
do_writepages+0x27a/0x600 mm/page-writeback.c:2634
__writeback_single_inode+0x160/0xfb0 fs/fs-writeback.c:1680
writeback_sb_inodes+0x60d/0xfa0 fs/fs-writeback.c:1976
__writeback_inodes_wb+0xf8/0x2d0 fs/fs-writeback.c:2047
wb_writeback+0x7f3/0xb70 fs/fs-writeback.c:2158
wb_check_old_data_flush fs/fs-writeback.c:2262 [inline]
wb_do_writeback fs/fs-writeback.c:2315 [inline]
wb_workfn+0x8ca/0xbe0 fs/fs-writeback.c:2343
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245