syzbot

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=423/1/0x4000000000000000 softirq=23096/23104 fqs=2100 
	(detected by 0, t=10505 jiffies, g=32241, q=746)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4195 Comm: syz-executor Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__netif_schedule+0x1/0x2c0 net/core/dev.c:3103
Code: 48 c7 c1 d0 6e 69 8d 80 e1 07 80 c1 03 38 c1 7c da 48 c7 c7 d0 6e 69 8d e8 8c 25 e7 f9 eb cc 66 2e 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00
RSP: 0018:ffffc90000dd0c70 EFLAGS: 00000006
RAX: ffffffff880877bc RBX: 0000000000000001 RCX: ffff88807c1b1dc0
RDX: 0000000000010000 RSI: ffffffff8a599320 RDI: ffff88807570b800
RBP: ffff88807570bb60 R08: dffffc0000000000 R09: fffffbfff1ff6e19
R10: fffffbfff1ff6e19 R11: 1ffffffff1ff6e18 R12: ffff88807570bae8
R13: dffffc0000000000 R14: ffff88807570b800 R15: 186092f094000000
FS:  0000555555831500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe59f98fef8 CR3: 0000000063b51000 CR4: 00000000003506e0
DR0: 0000000000006a34 DR1: 0000000000000000 DR2: 000000000000000d
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 advance_sched+0x74c/0x940 net/sched/sch_taprio.c:770
 __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:inode_to_bdi include/linux/backing-dev.h:145 [inline]
RIP: 0010:mapping_can_writeback include/linux/backing-dev.h:163 [inline]
RIP: 0010:__cancel_dirty_page+0x62/0x5e0 mm/page-writeback.c:2679
Code: 08 4c 89 f7 e8 3f a4 1c 00 4d 8b 3e 4d 85 ff 74 68 49 8d 5f 28 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 1e a4 1c 00 <48> 8b 1b 48 c7 c0 c8 a1 69 8d 48 c1 e8 03 80 3c 28 00 74 0c 48 c7
RSP: 0018:ffffc9000301f7b0 EFLAGS: 00000246
RAX: 1ffff1100fa8c662 RBX: ffff88807d463310 RCX: ffff88807c1b1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff940002eda31
R10: fffff940002eda31 R11: 1ffffd40002eda30 R12: 1ffff1100fa8c6a2
R13: ffffea000176d180 R14: ffff88807d463510 R15: ffff88807d4632e8
 cancel_dirty_page include/linux/mm.h:1875 [inline]
 truncate_cleanup_page+0x27b/0x420 mm/truncate.c:183
 truncate_inode_page+0x85/0xb0 mm/truncate.c:218
 shmem_undo_range+0x49b/0x1840 mm/shmem.c:960
 shmem_truncate_range mm/shmem.c:1063 [inline]
 shmem_evict_inode+0x20d/0xa00 mm/shmem.c:1145
 evict+0x485/0x870 fs/inode.c:647
 __dentry_kill+0x431/0x650 fs/dcache.c:586
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xd8/0x1a0 fs/dcache.c:893
 __fput+0x5ee/0x930 fs/file_table.c:319
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fba5eb5acd7
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff49a20298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fba5ebdbb55 RCX: 00007fba5eb5acd7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff49a20350
RBP: 00007fff49a20350 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff49a213e0
R13: 00007fba5ebdbb55 R14: 00000000000460db R15: 00007fff49a21420
 </TASK>