------------[ cut here ]------------ __lockdep_enabled && this_cpu_read(hardirqs_enabled) WARNING: ./include/linux/hrtimer_rearm.h:17 at hrtimer_test_and_clear_rearm_deferred_tif include/linux/hrtimer_rearm.h:17 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at hrtimer_rearm_deferred_tif include/linux/hrtimer_rearm.h:52 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at rseq_grant_slice_extension include/linux/rseq_entry.h:236 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at __exit_to_user_mode_loop kernel/entry/common.c:54 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at exit_to_user_mode_loop kernel/entry/common.c:101 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline], CPU#0: syz.2.3762/30761 WARNING: ./include/linux/hrtimer_rearm.h:17 at irqentry_exit+0x718/0xa00 kernel/entry/common.c:165, CPU#0: syz.2.3762/30761 Modules linked in: CPU: 0 UID: 0 PID: 30761 Comm: syz.2.3762 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:hrtimer_test_and_clear_rearm_deferred_tif include/linux/hrtimer_rearm.h:17 [inline] RIP: 0010:hrtimer_rearm_deferred_tif include/linux/hrtimer_rearm.h:52 [inline] RIP: 0010:rseq_grant_slice_extension include/linux/rseq_entry.h:236 [inline] RIP: 0010:__exit_to_user_mode_loop kernel/entry/common.c:54 [inline] RIP: 0010:exit_to_user_mode_loop kernel/entry/common.c:101 [inline] RIP: 0010:__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] RIP: 0010:irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] RIP: 0010:irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] RIP: 0010:irqentry_exit+0x718/0xa00 kernel/entry/common.c:165 Code: 00 00 00 80 e8 c9 ee 58 f6 fb 83 3d 95 d1 69 05 00 74 1a 65 8b 05 d8 2a ab 08 85 c0 75 0f 65 8b 05 29 26 ab 08 85 c0 74 04 90 <0f> 0b 90 41 f7 c5 00 10 00 00 0f 84 74 fc ff ff f0 41 80 64 24 01 RSP: 0000:ffffc9000414ff00 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffffc9000414ff48 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8e1a8f2e RDI: ffffffff8c400a80 RBP: ffffc9000414ff38 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888022f39f00 R13: 0000000000000010 R14: 000001efbbd43bba R15: 0000000000000000 FS: 00007f3e64dd56c0(0000) GS:ffff888123de1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ddddff8 CR3: 0000000034bd6000 CR4: 00000000003526f0 Call Trace: asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0033:0x7f3e66b9e019 Code: ff c3 66 2e 0f 1f 84 00 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 RSP: 002b:00007f3e64dd50e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007f3e66e26098 RCX: 00007f3e66b9e019 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3e66e26098 RBP: 00007f3e66e26090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3e66e26128 R14: 00007ffe410c4bf0 R15: 00007ffe410c4cd8