rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (0 ticks this GP) idle=abd/1/0x4000000000000000 softirq=102729/102729 fqs=6
(detected by 1, t=10502 jiffies, g=170097, q=83)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26379 Comm: syz-executor.3 Not tainted 5.15.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:should_restart_cycle net/sched/sch_taprio.c:664 [inline]
RIP: 0010:advance_sched+0x278/0x940 net/sched/sch_taprio.c:740
Code: 3c 30 00 74 08 48 89 ef e8 45 2e 5e f9 48 8b 6d 00 48 89 df 48 89 ee e8 56 8f 14 f9 48 39 eb 0f 84 15 06 00 00 48 8b 6c 24 08 <4c> 8d 7d 10 48 8b 0c 24 48 89 c8 48 c1 e8 03 42 80 3c 30 00 74 0d
RSP: 0018:ffffc90000007cc0 EFLAGS: 00000006
RAX: 0000000000010002 RBX: 17f7e3620342cea0 RCX: ffff88801d295940
RDX: 0000000000010002 RSI: 0000000000000000 RDI: 17f7e3620342cea0
RBP: ffff8880832c7000 R08: ffffffff886b8e0a R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8880750a3f10
R13: 1ffff1100ea147e2 R14: dffffc0000000000 R15: ffff88807ee8eb28
FS: 00007fe3e72b76c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3e72b7d58 CR3: 000000003575b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [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 42 a2 a3 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 c7 18 31 f7 65 8b 05 a8 55 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900065a7920 EFLAGS: 00000206
RAX: 8b8e1841eb665600 RBX: 1ffff92000cb4f28 RCX: ffffffff8162e9b8
RDX: dffffc0000000000 RSI: ffffffff8a8b0ce0 RDI: 0000000000000001
RBP: ffffc900065a79b0 R08: dffffc0000000000 R09: fffffbfff1f7b021
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000cb4f24 R14: ffffc900065a7940 R15: 0000000000000246
clock_was_set+0x67d/0x880 kernel/time/hrtimer.c:970
timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378
do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427
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:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe3e8d56ae9
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:00007fe3e72b70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fe3e8e76050 RCX: 00007fe3e8d56ae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fe3e8da247a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe3e8e76050 R15: 00007ffec6164218
rcu: rcu_preempt kthread starved for 10490 jiffies! g170097 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:26392 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2af/0xf70 kernel/rcu/tree.c:1959
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2132
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 26376 Comm: syz-executor.2 Not tainted 5.15.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:481
print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:586
check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
rcu_pending kernel/rcu/tree.c:3911 [inline]
rcu_sched_clock_irq+0x94f/0x1770 kernel/rcu/tree.c:2606
update_process_times+0x196/0x200 kernel/time/timer.c:1788
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xa9d/0xd90 kernel/smp.c:969
Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 0c c1 0b 00 41 83 e7 01 75 07 e8 a1 bd 0b 00 eb 41 f3 90 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 03 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 7c bd 0b
RSP: 0018:ffffc90005f0f780 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff110173483c1 RCX: 0000000000040000
RDX: ffffc90004c71000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90005f0f8a8 R08: ffffffff81745dd4 R09: fffffbfff1f7b053
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880b9a41e08 R14: ffff8880b9b3a780 R15: 0000000000000001
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
kill_bdev block/bdev.c:76 [inline]
set_blocksize+0x2f3/0x370 block/bdev.c:157
sb_set_blocksize+0x45/0xe0 block/bdev.c:166
udf_load_vrs+0xdd/0xc40 fs/udf/super.c:1984
udf_fill_super+0x99d/0x23a0 fs/udf/super.c:2188
mount_bdev+0x2c9/0x3f0 fs/super.c:1387
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1517
do_new_mount+0x28b/0xae0 fs/namespace.c:2994
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa654f4b1ea
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:00007fa6534caee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa6534caf80 RCX: 00007fa654f4b1ea
RDX: 0000000020000500 RSI: 0000000020000540 RDI: 00007fa6534caf40
RBP: 0000000020000500 R08: 00007fa6534caf80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000540
R13: 00007fa6534caf40 R14: 00000000000004e1 R15: 0000000020000580