rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=8714/1/0x4000000000000000 softirq=66398/66399 fqs=8
(detected by 0, t=10502 jiffies, g=89569, q=117 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16440 Comm: syz-executor.3 Not tainted 6.1.83-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x7b/0x290 mm/kasan/generic.c:189
Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49 f7 d2 49 01 da 41 80 39 00 <0f> 85 c4 01 00 00 49 ff c1 49 ff c2 75 ee e9 1d 01 00 00 45 89 cf
RSP: 0018:ffffc900001e09b8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffffffff2092e45 RCX: ffffffff816a5f3c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90497228
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff2092e45
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88806539a8e8 R14: fffffbfff2092e46 R15: 1ffff1100ca73502
FS: 00007f89ea81d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3152a000 CR3: 00000000783a0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:228 [inline]
check_wait_context kernel/locking/lockdep.c:4748 [inline]
__lock_acquire+0x78c/0x1f80 kernel/locking/lockdep.c:4999
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
debug_object_activate+0x68/0x4e0 lib/debugobjects.c:697
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1703 [inline]
__hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 02 d0 4d f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 27 19 ca f6 65 8b 05 c8 44 6e 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900032878c0 EFLAGS: 00000206
RAX: c0c9c0e518e74700 RBX: 1ffff92000650f1c RCX: ffffffff91c8f103
RDX: dffffc0000000000 RSI: ffffffff8aebee40 RDI: 0000000000000001
RBP: ffffc90003287958 R08: dffffc0000000000 R09: ffffed100b3f5f12
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000650f18 R14: ffffc900032878e0 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
timerfd_clock_was_set+0x1dc/0x2e0 fs/timerfd.c:113
clock_was_set+0x86e/0x900 kernel/time/hrtimer.c:980
timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1395
do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2444
do_clock_adjtime kernel/time/posix-timers.c:1149 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1161 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1152 [inline]
__x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1152
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f89e9a7dda9
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:00007f89ea81d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f89e9bac050 RCX: 00007f89e9a7dda9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f89e9aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89e9bac050 R15: 00007ffe3e8ac4a8
rcu: rcu_preempt kthread starved for 10455 jiffies! g89569 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:26656 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x2d2/0x1120 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 16398 Comm: syz-executor.1 Not tainted 6.1.83-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_many_cond+0x1fb0/0x3460 kernel/smp.c:998
Code: 2f 44 89 ee 83 e6 01 31 ff e8 ec 42 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 0a e8 77 3f 0b 00 e9 1b ff ff ff f3 90 <42> 0f b6 04 2b 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 fe fe ff ff
RSP: 0018:ffffc9000321f7a0 EFLAGS: 00000246
RAX: ffffffff817f459b RBX: 1ffff110173281b1 RCX: 0000000000040000
RDX: ffffc90003de1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000321fb78 R08: ffffffff817f4564 R09: fffffbfff2092e68
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000800000000
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880b9940d88
FS: 00007ff2edffe6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020464000 CR3: 0000000060b13000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1166
kill_bdev block/bdev.c:75 [inline]
set_blocksize+0x2cd/0x350 block/bdev.c:152
sb_set_blocksize block/bdev.c:161 [inline]
sb_min_blocksize+0xb7/0x170 block/bdev.c:177
xfs_fs_fill_super+0x1bd/0x13a0 fs/xfs/xfs_super.c:1477
get_tree_bdev+0x3fe/0x620 fs/super.c:1355
vfs_get_tree+0x88/0x270 fs/super.c:1562
do_new_mount+0x2ba/0xb40 fs/namespace.c:3051
do_mount fs/namespace.c:3394 [inline]
__do_sys_mount fs/namespace.c:3602 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff2ef47f4aa
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:00007ff2edffdef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff2edffdf80 RCX: 00007ff2ef47f4aa
RDX: 0000000020000180 RSI: 0000000020009640 RDI: 00007ff2edffdf40
RBP: 0000000020000180 R08: 00007ff2edffdf80 R09: 0000000000000090
R10: 0000000000000090 R11: 0000000000000202 R12: 0000000020009640
R13: 00007ff2edffdf40 R14: 000000000000960f R15: 00000000200007c0