rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=c754/1/0x4000000000000000 softirq=27139/27141 fqs=0
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7984/1:b..l P1278/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=38621, q=202 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8049 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00064-g71d7b52cc33b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:advance_sched+0x4ac/0xca0 net/sched/sch_taprio.c:958
Code: df 42 0f b6 04 30 84 c0 0f 85 dd 07 00 00 8b 03 48 01 c5 48 8b 04 24 48 8d 98 28 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 0d 48 89 df e8 6a 5c 71 f8 48 8b 4c 24 18 4c 8d b1 c0 fe ff ff
RSP: 0018:ffffc90000a18c90 EFLAGS: 00000046
RAX: 1ffff11005cf1e25 RBX: ffff88802e78f128 RCX: ffff88802e78f540
RDX: 0000000000010001 RSI: 0000000000000000 RDI: 17dd0f7610000000
RBP: 17dd0f7614000000 R08: ffffffff89873da0 R09: fffff52000143180
R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000000
R13: 17dd0f7610000000 R14: dffffc0000000000 R15: ffff88805cafa340
FS: 00007f38f854a6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04b75af440 CR3: 000000007aa84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
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+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lockdep_register_key+0x11f/0x3f0 kernel/locking/lockdep.c:1234
Code: 45 01 48 c7 c1 00 20 92 92 48 39 c8 76 18 4c 89 ef e8 c5 8d 67 00 84 c0 75 0c 4c 89 ef e8 19 05 0e 00 84 c0 74 4d 90 0f 0b 90 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 3e 00 00 00 00 66 43 c7 44 3e
RSP: 0018:ffffc9000c4376e0 EFLAGS: 00000206
RAX: 065d70ff22fe8d00 RBX: 1ffff92001886ee4 RCX: ffffffff9476a603
RDX: 0000000000000000 RSI: ffffffff8bcac860 RDI: ffffffff8c1f1fc0
RBP: ffffc9000c4377b0 R08: ffffffff8fac1aaf R09: 1ffffffff1f58355
R10: dffffc0000000000 R11: fffffbfff1f58356 R12: ffffc9000c437720
R13: ffff88801ff0d538 R14: dffffc0000000000 R15: 1ffff92001886ee0
wq_init_lockdep kernel/workqueue.c:4769 [inline]
alloc_workqueue+0x6a4/0x2060 kernel/workqueue.c:5709
xlog_alloc_log+0xf3f/0x1230 fs/xfs/xfs_log.c:1642
xfs_log_mount+0xc8/0x3e0 fs/xfs/xfs_log.c:657
xfs_mountfs+0xd2b/0x2020 fs/xfs/xfs_mount.c:831
xfs_fs_fill_super+0x11a6/0x1420 fs/xfs/xfs_super.c:1753
get_tree_bdev+0x3f7/0x570 fs/super.c:1615
vfs_get_tree+0x90/0x2a0 fs/super.c:1780
do_new_mount+0x2be/0xb40 fs/namespace.c:3352
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38f787e66a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f38f8549ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f38f8549f80 RCX: 00007f38f787e66a
RDX: 0000000020009700 RSI: 0000000020009740 RDI: 00007f38f8549f40
RBP: 0000000020009700 R08: 00007f38f8549f80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020009740
R13: 00007f38f8549f40 R14: 00000000000096d4 R15: 0000000020009780
task:kworker/u8:7 state:R running task stack:19576 pid:1278 tgid:1278 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
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:kasan_check_range+0x4/0x290 mm/kasan/generic.c:188
Code: b6 8d e8 9f 8b e4 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <55> 41 57 41 56 41 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04
RSP: 0018:ffffc90004a6f9d8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81726464
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fac1aa8
RBP: ffffc90004a6fb40 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f58356 R12: 1ffff9200094df44
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:571 [inline]
cpu_online include/linux/cpumask.h:1181 [inline]
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0xd4/0x550 kernel/locking/lockdep.c:5725
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz-executor.3 state:R running task stack:24432 pid:7984 tgid:7972 ppid:5841 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_notrace+0x100/0x140 kernel/sched/core.c:7017
preempt_schedule_notrace_thunk+0x1a/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x7e/0xb0 kernel/rcu/tree.c:725
rcu_read_unlock include/linux/rcupdate.h:810 [inline]
mtree_load+0x7dd/0x940 lib/maple_tree.c:6340
vma_lookup include/linux/mm.h:3532 [inline]
do_pages_stat_array mm/migrate.c:2320 [inline]
do_pages_stat mm/migrate.c:2391 [inline]
kernel_move_pages mm/migrate.c:2478 [inline]
__do_sys_move_pages mm/migrate.c:2489 [inline]
__se_sys_move_pages+0x170f/0x1e60 mm/migrate.c:2484
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f62bb87cf69
RSP: 002b:00007f62bb3de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000117
RAX: ffffffffffffffda RBX: 00007f62bb9b4050 RCX: 00007f62bb87cf69
RDX: 0000000020000000 RSI: 20000000000001ab RDI: 0000000000000000
RBP: 00007f62bb8da6fe R08: 0000000020000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f62bb9b4050 R15: 00007ffeb2942638
rcu: rcu_preempt kthread starved for 10502 jiffies! g38621 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:26448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 8055 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00064-g71d7b52cc33b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1860/0x29d0 kernel/smp.c:855
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 99 09 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 44 05 0c 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 28 05
RSP: 0018:ffffc9000bd07a40 EFLAGS: 00000202
RAX: ffffffff818a2068 RBX: 1ffff110172a88a1 RCX: ffff88807eb11e00
RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000bd07c10 R08: ffffffff818a2037 R09: 0000000000200000
R10: 0000000000000fd7 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880b9544508 R14: ffff8880b943f8c0 R15: 0000000000000001
FS: 00007f958729e6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3312c000 CR3: 000000007a1fa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
clock_was_set+0x75c/0x810 kernel/time/hrtimer.c:972
do_settimeofday64+0x488/0x650 kernel/time/timekeeping.c:1348
__do_sys_clock_settime kernel/time/posix-timers.c:1129 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1113 [inline]
__x64_sys_clock_settime+0x23a/0x280 kernel/time/posix-timers.c:1113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f958647cf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f958729e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f95865b3f80 RCX: 00007f958647cf69
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000000
RBP: 00007f95864da6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f95865b3f80 R15: 00007fff1bc8dd18