------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1641 at lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline], CPU#0: syz.6.3799/19986
WARNING: kernel/sched/sched.h:1641 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: syz.6.3799/19986
Modules linked in:
CPU: 0 UID: 0 PID: 19986 Comm: syz.6.3799 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 1b f3 9a 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 95 08 b3 09 cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90005486338 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b8c0 RCX: 0000000000000002
RDX: ffffffffffffffff RSI: ffffffff8daf4ae5 RDI: ffffffff8bca7780
RBP: dffffc0000000000 R08: ffffc90005486508 R09: 1ffffffff1f5f266
R10: dffffc0000000000 R11: ffffffff8196e770 R12: 0000000000000001
R13: dffffc0000000001 R14: ffff8880b873c788 R15: ffff8880b873b8c0
FS:  00007f7e377666c0(0000) GS:ffff888125c42000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000349030 CR3: 000000005a6b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6338 [inline]
 __schedule+0x373f/0x5500 kernel/sched/core.c:7149
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7413
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
 _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:198
 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:2454 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x911/0xb90 kernel/rcu/tree_plugin.h:571
 __rcu_read_unlock+0x83/0xe0 kernel/rcu/tree_plugin.h:438
 rcu_read_unlock include/linux/rcupdate.h:873 [inline]
 filemap_get_entry+0x374/0x3f0 mm/filemap.c:1919
 shmem_get_folio_gfp+0x343/0x1c40 mm/shmem.c:2426
 shmem_get_folio mm/shmem.c:2608 [inline]
 shmem_write_begin+0x166/0x320 mm/shmem.c:3239
 generic_perform_write+0x2ad/0x8b0 mm/filemap.c:4358
 shmem_file_write_iter+0xfb/0x120 mm/shmem.c:3414
 __kernel_write_iter+0x453/0x8f0 fs/read_write.c:621
 dump_emit_page fs/coredump.c:1298 [inline]
 dump_user_range+0xc1c/0x12c0 fs/coredump.c:1372
 elf_core_dump+0x3485/0x3a90 fs/binfmt_elf.c:2109
 coredump_write+0x129c/0x1960 fs/coredump.c:1052
 do_coredump fs/coredump.c:1131 [inline]
 vfs_coredump+0x3705/0x44b0 fs/coredump.c:1200
 get_signal+0x1095/0x12c0 kernel/signal.c:3031
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x2ba/0x8f0 kernel/entry/common.c:165
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f7e3950dea1
Code: 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f7e39795fa0 RCX: 00007f7e3950de99
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f7e395a3eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f7e39796038 R14: 00007f7e39795fa0 R15: 00007ffdd2da0c68
 </TASK>