RBP: 00007fab50aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 000000000000000b R14: 00007fab50babf80 R15: 00007ffeab468ca8
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 267s! [syz-executor.2:2218]
Modules linked in:
CPU: 0 PID: 2218 Comm: syz-executor.2 Not tainted 6.1.75-syzkaller-00001-g56ba301cac0b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:flush_tlb_batched_pending+0x3e/0xe0 mm/rmap.c:721
Code: ff 4d 8d be fc 03 00 00 4c 89 ff be 04 00 00 00 e8 b7 59 07 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 74 45 8b 27 45 89 e5 41 81 e5 ff 7f 00 00 44 89 e3 c1 fb
RSP: 0018:ffffc9000b87f2a8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff88810967d000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88812fb25cfc
RBP: ffffc9000b87f2d0 R08: dffffc0000000000 R09: ffffed1025f64ba0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020000000
R13: ffffc9000b87f5f0 R14: ffff88812fb25900 R15: ffff88812fb25cfc
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce22000 CR3: 000000012d749000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 zap_pte_range mm/memory.c:1430 [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+0xb9c/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:2879
 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: 0033:0x7fab50a28777
Code: Unable to access opcode bytes at 0x7fab50a2874d.
RSP: 002b:00007fab517681e0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fab50a7de69
RDX: 00007fab51768200 RSI: 00007fab51768330 RDI: 000000000000000b
RBP: 00007fab50aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 000000000000000b R14: 00007fab50babf80 R15: 00007ffeab468ca8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 334 Comm: kworker/u4:3 Not tainted 6.1.75-syzkaller-00001-g56ba301cac0b #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:ffffc900093ef840 EFLAGS: 00000293
RAX: ffffffff816bc3fc RBX: 1ffff1103ee07919 RCX: ffff88810fb50000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900093ef958 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: 00007f0309ed5000 CR3: 0000000006c0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 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_disable_cpuslocked+0xcd/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x1a/0x30 kernel/jump_label.c:215
 toggle_allocation_gate+0x3b4/0x450 mm/kfence/core.c:818
 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
 </TASK>