------------[ cut here ]------------ debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1666 at lockdep_assert_rq_held kernel/sched/sched.h:1666 [inline], CPU#0: syz.2.2852/15325 WARNING: kernel/sched/sched.h:1666 at lockdep_assert_rq_held kernel/sched/sched.h:1663 [inline], CPU#0: syz.2.2852/15325 WARNING: kernel/sched/sched.h:1666 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875, CPU#0: syz.2.2852/15325 Modules linked in: CPU: 0 UID: 0 PID: 15325 Comm: syz.2.2852 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1666 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1663 [inline] RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875 Code: ab c8 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc a8 04 0f 84 df fc ff ff 90 0f 0b 90 e9 d6 fc ff ff 90 <0f> 0b 90 e9 92 fc ff ff 4c 8d 83 c0 0b 00 00 48 b8 00 00 00 00 00 RSP: 0000:ffffc9002a38eaa8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88802b33c040 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8e36be9b RDI: ffffffff8c624080 RBP: ffffc9002a38ec48 R08: 0000000000000001 R09: 0000000000000001 R10: ffff88802b23cbd8 R11: 0000000000000000 R12: ffffffff9145bbe4 R13: ffff88802b33cf20 R14: ffff88802b33c040 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888096952000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000030f0eff8 CR3: 0000000058d07000 CR4: 0000000000352ef0 Call Trace: pick_next_task kernel/sched/core.c:6375 [inline] __schedule+0x1c69/0x6920 kernel/sched/core.c:7199 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa10 kernel/entry/common.c:167 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:679 RIP: 0010:unwind_next_frame+0x1453/0x2090 arch/x86/kernel/unwind_orc.c:532 Code: 4c 89 ef c6 05 fd ac d7 12 01 e8 e8 e8 ff ff e9 0f ef ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 80 3c 02 00 <0f> 85 a6 08 00 00 48 89 c8 4d 8b 7d 38 48 ba 00 00 00 00 00 fc ff RSP: 0000:ffffc9002a38ed60 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff91f5d990 RDX: 1ffff92005471dc1 RSI: 0000000000000001 RDI: ffffffff916799fc RBP: ffffc9002a38ee18 R08: ffffffff91f5d994 R09: 0000000000000007 R10: 0000000000000200 R11: 00000000000165ed R12: ffffc9002a38ee20 R13: ffffc9002a38edd0 R14: 0000000000000003 R15: 0000000000000000 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:183 __reset_page_owner+0x84/0x190 mm/page_owner.c:338 reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] free_unref_folios+0xa4a/0x1790 mm/page_alloc.c:3022 folios_put_refs+0x585/0xaa0 mm/folio.c:1036 free_pages_and_swap_cache+0x22d/0x3b0 mm/swap_state.c:592 __tlb_batch_free_encoded_pages+0xe9/0x280 mm/mmu_gather.c:138 tlb_batch_pages_flush mm/mmu_gather.c:151 [inline] tlb_flush_mmu_free mm/mmu_gather.c:417 [inline] tlb_flush_mmu+0xe9/0x590 mm/mmu_gather.c:424 zap_pte_range mm/memory.c:2104 [inline] zap_pmd_range mm/memory.c:2151 [inline] zap_pud_range mm/memory.c:2179 [inline] zap_p4d_range mm/memory.c:2200 [inline] __zap_vma_range+0x2166/0x48e0 mm/memory.c:2240 unmap_vmas+0x299/0x5f0 mm/memory.c:2309 exit_mmap+0x1ef/0xa00 mm/mmap.c:1315 __mmput+0x12a/0x410 kernel/fork.c:1193 mmput+0x67/0x80 kernel/fork.c:1216 exit_mm kernel/exit.c:592 [inline] do_exit+0x83b/0x2a50 kernel/exit.c:974 do_group_exit+0xd5/0x2a0 kernel/exit.c:1129 get_signal+0x1ec7/0x21e0 kernel/signal.c:3112 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline] __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf704efec Code: Unable to access opcode bytes at 0xf704efc2. RSP: 002b:00000000f4fd85bc EFLAGS: 00000292 ORIG_RAX: 00000000000000f0 RAX: fffffffffffffe00 RBX: 00000000f7445150 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7445154 RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 4c 89 ef mov %r13,%rdi 3: c6 05 fd ac d7 12 01 movb $0x1,0x12d7acfd(%rip) # 0x12d7ad07 a: e8 e8 e8 ff ff call 0xffffe8f7 f: e9 0f ef ff ff jmp 0xffffef23 14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1b: fc ff df 1e: 48 8b 14 24 mov (%rsp),%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 a6 08 00 00 jne 0x8d6 <-- trapping instruction 30: 48 89 c8 mov %rcx,%rax 33: 4d 8b 7d 38 mov 0x38(%r13),%r15 37: 48 rex.W 38: ba 00 00 00 00 mov $0x0,%edx 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff