sched: DL replenish lagged too much
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5170 at kernel/rcu/tree_stall.h:989 rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:989
Modules linked in:
CPU: 1 UID: 0 PID: 5170 Comm: jbd2/sda1-8 Not tainted 6.14.0-rc3-syzkaller-g9aa8fe29f624 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:989
Code: c7 80 6a 69 9a be 04 00 00 00 e8 2c bf 81 00 b8 01 00 00 00 87 05 11 ad c1 18 85 c0 0f 85 1a ff ff ff 48 c7 c0 80 dd b3 8e 90 <0f> 0b 90 49 39 c7 74 47 48 c7 c0 10 38 3d 90 48 c1 e8 03 42 0f b6
RSP: 0000:ffffc90000a18bb8 EFLAGS: 00010046
RAX: ffffffff8eb3dd80 RBX: 00000000ffffedca RCX: ffffffff81a7bd64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff9a696a80
RBP: ffffc90000a18e10 R08: 0000000000000003 R09: fffffbfff34d2d50
R10: dffffc0000000000 R11: fffffbfff34d2d50 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000246 R15: ffffffff8eb3dd80
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e103ff8 CR3: 0000000066530000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
rcu_core+0x650/0x17a0 kernel/rcu/tree.c:2797
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:rcu_read_unlock_special+0x88/0x570 kernel/rcu/tree_plugin.h:694
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 14 66 41 c7 44 14 09 f3 f3 41 c6 44 14 0b f3 65 44 8b 3d 39 e5 5b 7e 41 f7 c7 00 00 f0 00 74 49 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 22 00 00 00 00 66 42 c7 44 22
RSP: 0000:ffffc900107bf200 EFLAGS: 00000206
RAX: 7add874c3a317900 RBX: 1ffff920020f7e48 RCX: ffffffff819d316a
RDX: dffffc0000000000 RSI: ffffffff8c2aa4a0 RDI: ffffffff8c810bc0
RBP: ffffc900107bf2d8 R08: ffffffff9454c8ef R09: 1ffffffff28a991d
R10: dffffc0000000000 R11: fffffbfff28a991e R12: 1ffff920020f7e44
R13: ffff888035238460 R14: ffffc900107bf240 R15: ffffffff8eb3dd00
__rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:438
rcu_read_unlock include/linux/rcupdate.h:882 [inline]
trace_call_bpf+0x607/0x8a0 kernel/trace/bpf_trace.c:148
perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10509
do_perf_trace_lock include/trace/events/lock.h:50 [inline]
perf_trace_lock+0x388/0x490 include/trace/events/lock.h:50
__do_trace_lock_release include/trace/events/lock.h:69 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x9cc/0xa30 kernel/locking/lockdep.c:5862
__raw_write_unlock include/linux/rwlock_api_smp.h:224 [inline]
_raw_write_unlock+0x16/0x50 kernel/locking/spinlock.c:342
jbd2_journal_wait_updates+0x1f8/0x2e0 fs/jbd2/transaction.c:846
jbd2_journal_commit_transaction+0xab8/0x61b0 fs/jbd2/commit.c:454
kjournald2+0x41c/0x7b0 fs/jbd2/journal.c:201
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
----------------
Code disassembly (best guess):
0: f1 int1
1: f1 int1
2: f1 int1
3: 00 f2 add %dh,%dl
5: f2 f2 49 89 04 14 repnz repnz mov %rax,(%r12,%rdx,1)
b: 66 41 c7 44 14 09 f3 movw $0xf3f3,0x9(%r12,%rdx,1)
12: f3
13: 41 c6 44 14 0b f3 movb $0xf3,0xb(%r12,%rdx,1)
19: 65 44 8b 3d 39 e5 5b mov %gs:0x7e5be539(%rip),%r15d # 0x7e5be55a
20: 7e
21: 41 f7 c7 00 00 f0 00 test $0xf00000,%r15d
28: 74 49 je 0x73
* 2a: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) <-- trapping instruction
31: e0 45
33: 4a c7 04 22 00 00 00 movq $0x0,(%rdx,%r12,1)
3a: 00
3b: 66 data16
3c: 42 rex.X
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 22 .byte 0x22