sched: RT throttling activated
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5275/1:b..l P5210/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=5073, q=232 ncpus=2)
task:kworker/u4:6 state:R running task stack:26360 pid:5210 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6625
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:6937
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x1f3/0x520 kernel/locking/lockdep.c:5637
Code: db 9d 7e 83 f8 01 0f 85 b9 02 00 00 9c 58 f6 c4 02 0f 85 a4 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90004e9fb98 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920009d3f75 RCX: 542198fc625fbfc9
RDX: 1ffff1100423ac3e RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff914dcb87
R10: fffffbfff229b970 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8c7955c0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
rcu_read_lock include/linux/rcupdate.h:773 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x131/0xfe0 net/batman-adv/network-coding.c:719
process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:syz-executor.4 state:R running task stack:24640 pid:5275 ppid:5150 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6625
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:6937
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_is_held_type+0x103/0x140 kernel/locking/lockdep.c:5717
Code: 00 00 b8 ff ff ff ff 65 0f c1 05 d8 81 00 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48
RSP: 0018:ffffc9000531f2c0 EFLAGS: 00000296
RAX: 0000000000000046 RBX: 0000000000000003 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888073f404f8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000094001 R12: ffff88807e4457c0
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88807e446248
lock_is_held include/linux/lockdep.h:283 [inline]
xa_entry include/linux/xarray.h:1198 [inline]
xas_descend+0x29b/0x480 lib/xarray.c:204
xas_load+0xe9/0x140 lib/xarray.c:242
mapping_get_entry mm/filemap.c:1858 [inline]
__filemap_get_folio+0x152/0xdc0 mm/filemap.c:1920
pagecache_get_page+0x2e/0x280 mm/folio-compat.c:99
ext4_da_write_begin+0x3f7/0xa10 fs/ext4/inode.c:3073
generic_perform_write+0x256/0x570 mm/filemap.c:3926
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:289
ext4_file_write_iter+0xbe0/0x1740 fs/ext4/file.c:710
call_write_iter include/linux/fs.h:1851 [inline]
do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
do_iter_write+0x182/0x700 fs/read_write.c:861
vfs_iter_write+0x74/0xa0 fs/read_write.c:902
iter_file_splice_write+0x743/0xc80 fs/splice.c:778
do_splice_from fs/splice.c:856 [inline]
direct_splice_actor+0x114/0x180 fs/splice.c:1022
splice_direct_to_actor+0x335/0x8a0 fs/splice.c:977
do_splice_direct+0x1ab/0x280 fs/splice.c:1065
do_sendfile+0xb19/0x12c0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1317 [inline]
__se_sys_sendfile64 fs/read_write.c:1309 [inline]
__x64_sys_sendfile64+0x14d/0x210 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x45f679
RSP: 002b:00007fbe9c0131a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 000000000045f679
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004f0998 R14: 00000000004b0443 R15: 00007fbe9c0136bc
rcu: rcu_preempt kthread starved for 10568 jiffies! g5073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:R running task stack:28680 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6625
schedule+0xde/0x1a0 kernel/sched/core.c:6701
schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1608
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1807
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5279 Comm: syz-executor.0 Not tainted 6.3.0-rc4-syzkaller-00039-gffe78bbd5121 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:mark_lock.part.0+0x158/0x1970 kernel/locking/lockdep.c:4594
Code: 70 50 0f 84 f6 06 00 00 41 ba 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 <48> c7 43 14 00 00 00 00 48 8b 84 24 30 01 00 00 65 48 2b 04 25 28
RSP: 0018:ffffc900001e0ac0 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: fffff5200003c15f RCX: 1ffffffff229c136
RDX: dffffc0000000000 RSI: 0000000000000200 RDI: ffffffff914e09b0
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff914dcb8f
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880247fa818
R13: 0000000000000009 R14: 000000000000004d R15: ffff8880247fa838
FS: 00007fcc49f81700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000049bcb0 CR3: 0000000079356000 CR4: 0000000000350ee0
Call Trace:
mark_lock kernel/locking/lockdep.c:4599 [inline]
mark_usage kernel/locking/lockdep.c:4556 [inline]
__lock_acquire+0x8a8/0x5d40 kernel/locking/lockdep.c:5010
lock_acquire kernel/locking/lockdep.c:5669 [inline]
lock_acquire+0x1af/0x520 kernel/locking/lockdep.c:5634
seqcount_lockdep_reader_access include/linux/seqlock.h:102 [inline]
timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
ktime_get+0x14b/0x470 kernel/time/timekeeping.c:848
clockevents_program_event+0x145/0x370 kernel/time/clockevents.c:326
tick_program_event+0xb0/0x140 kernel/time/tick-oneshot.c:44
hrtimer_interrupt+0x372/0x7b0 kernel/time/hrtimer.c:1824
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
__sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1113
sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:207
Code: 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 2d e0 80 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 b8 03 00 a9
RSP: 0018:ffffc9000533f200 EFLAGS: 00000293
RAX: 0000000080000001 RBX: ffff88806996742c RCX: ffffffff822887d7
RDX: ffff8880247f9d40 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff888073f40cb8 R08: 0000000000000005 R09: 000000000000000f
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888069967400
R13: ffff888073f40a0c R14: 0000000000000001 R15: dffffc0000000000
ext4_fill_raw_inode+0xdd9/0x1e90 fs/ext4/inode.c:4494
ext4_do_update_inode fs/ext4/inode.c:5248 [inline]
ext4_mark_iloc_dirty+0x52c/0x1b70 fs/ext4/inode.c:5880
__ext4_mark_inode_dirty+0x21f/0x800 fs/ext4/inode.c:6084
ext4_dirty_inode+0xdd/0x130 fs/ext4/inode.c:6113
__mark_inode_dirty+0x1e0/0xd60 fs/fs-writeback.c:2421
mark_inode_dirty include/linux/fs.h:2127 [inline]
generic_write_end+0x354/0x440 fs/buffer.c:2227
ext4_da_write_end+0x172/0x8e0 fs/ext4/inode.c:3174
generic_perform_write+0x316/0x570 mm/filemap.c:3937
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:289
ext4_file_write_iter+0xbe0/0x1740 fs/ext4/file.c:710
call_write_iter include/linux/fs.h:1851 [inline]
do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
do_iter_write+0x182/0x700 fs/read_write.c:861
vfs_iter_write+0x74/0xa0 fs/read_write.c:902
iter_file_splice_write+0x743/0xc80 fs/splice.c:778
do_splice_from fs/splice.c:856 [inline]
direct_splice_actor+0x114/0x180 fs/splice.c:1022
splice_direct_to_actor+0x335/0x8a0 fs/splice.c:977
do_splice_direct+0x1ab/0x280 fs/splice.c:1065
do_sendfile+0xb19/0x12c0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1317 [inline]
__se_sys_sendfile64 fs/read_write.c:1309 [inline]
__x64_sys_sendfile64+0x14d/0x210 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x45f679
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc49f811a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 000000000052bfa0 RCX: 000000000045f679
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004f0998 R14: 00000000004b0443 R15: 00007fcc49f816bc
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.539 msecs