RBP: 00007f592eeca4a4 R08: 0000000020000480 R09: 0000000020000480 R10: 0000000020000300 R11: 0000000000000206 R12: 0000000000000000 R13: 000000000000000b R14: 00007f592efabf80 R15: 00007ffdd7a614b8 watchdog: BUG: soft lockup - CPU#0 stuck for 287s! [syz-executor.3:30258] Modules linked in: CPU: 0 PID: 30258 Comm: syz-executor.3 Not tainted 6.1.75-syzkaller-00037-gdcb09569bbff #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:add_mm_rss_vec+0xe6/0x240 mm/memory.c:518 Code: 00 e8 de 16 0b 00 4d 89 f7 f0 4d 0f c1 3c 24 4d 01 f7 66 90 e8 fb 33 c4 ff eb 05 e8 f4 33 c4 ff 48 83 fb 03 0f 84 44 01 00 00 e5 33 c4 ff 49 83 c4 08 49 83 c5 04 48 ff c3 eb 8d 44 89 e9 80 RSP: 0018:ffffc90005f17288 EFLAGS: 00000297 RAX: ffffffff81b12a2c RBX: 0000000000000002 RCX: ffff888130776540 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90005f172d0 R08: ffffffff81b12a00 R09: ffffed10260eeca9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d938300 R13: ffffc90005f174c8 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e25000 CR3: 0000000157728000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: zap_pte_range mm/memory.c:1519 [inline] zap_pmd_range mm/memory.c:1584 [inline] zap_pud_range mm/memory.c:1613 [inline] zap_p4d_range mm/memory.c:1634 [inline] unmap_page_range+0x215d/0x2480 mm/memory.c:1655 unmap_single_vma mm/memory.c:1701 [inline] unmap_vmas+0x4e4/0x660 mm/memory.c:1741 exit_mmap+0x2d1/0x940 mm/mmap.c:3331 __mmput+0x95/0x310 kernel/fork.c:1298 mmput+0x56/0x170 kernel/fork.c:1321 exit_mm kernel/exit.c:566 [inline] do_exit+0xb29/0x2b80 kernel/exit.c:862 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025 get_signal+0x169d/0x1820 kernel/signal.c:2880 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310 irqentry_exit+0x12/0x40 kernel/entry/common.c:413 exc_page_fault+0x4f3/0x700 arch/x86/mm/fault.c:1565 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0xef36d75b88 Code: Unable to access opcode bytes at 0xef36d75b5e. RSP: 002b:0000000020000298 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f592efabf80 RCX: 00007f592ee7dea9 RDX: 00000000200002c0 RSI: 0000000020000290 RDI: 0000000004020000 RBP: 00007f592eeca4a4 R08: 0000000020000480 R09: 0000000020000480 R10: 0000000020000300 R11: 0000000000000206 R12: 0000000000000000 R13: 000000000000000b R14: 00007f592efabf80 R15: 00007ffdd7a614b8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 25164 Comm: kworker/u4:27 Not tainted 6.1.75-syzkaller-00037-gdcb09569bbff #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline] RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998 Code: 3e 44 89 fe 83 e6 01 31 ff e8 0b 9e 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 46 9a 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff RSP: 0018:ffffc90004337840 EFLAGS: 00000293 RAX: ffffffff816bc3fc RBX: 1ffff1103ee07919 RCX: ffff88814cce3cc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90004337958 R08: ffffffff816bc3c5 R09: ffffed103ee2707b R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000800000000 R14: ffff8881f703c8c8 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00966d5000 CR3: 0000000006c0f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1329 [inline] text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1529 text_poke_flush arch/x86/kernel/alternative.c:1720 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1727 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146 __jump_label_update+0x36a/0x380 kernel/jump_label.c:455 jump_label_update+0x3af/0x450 kernel/jump_label.c:801 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177 static_key_enable+0x1a/0x30 kernel/jump_label.c:190 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:804 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306