rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...0: (0 ticks this GP) idle=6f3/1/0x4000000000000000 softirq=7855/7857 fqs=5250 (detected by 0, t=10502 jiffies, g=7829, q=476) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3861 Comm: udevd Not tainted 5.15.164-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:enqueue_hrtimer+0x184/0x390 kernel/time/hrtimer.c:1090 Code: 83 c5 44 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 98 00 00 00 09 5d 00 49 8d 7e 38 48 89 f8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 9a 00 00 00 41 c6 46 38 01 49 83 c5 50 4c 89 ef 4c 89 RSP: 0018:ffffc90000dd0d28 EFLAGS: 00000806 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000001 RDX: 0000000080010002 RSI: 0000000000000001 RDI: ffff88807ebc4b78 RBP: ffff8880b9b2a244 R08: ffffffff816f955e R09: fffffbfff1bd2986 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880b9b2a300 R14: ffff88807ebc4b40 R15: 1ffff11017365460 FS: 00007fe7ff95cc80(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000061c41000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1703 [inline] __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline] RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:52 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline] RIP: 0010:unwind_next_frame+0x51d/0x1fa0 arch/x86/kernel/unwind_orc.c:448 Code: 49 89 fe 48 89 e8 4c 29 f0 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 49 8d 1c 46 48 89 d8 48 c1 e8 03 0f b6 04 10 <84> c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 4c 39 e8 4c 0f 46 f1 48 RSP: 0018:ffffc90003227068 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: ffffffff8dfd1a00 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff8e684956 RDI: ffffffff8dfd1a00 RBP: ffffffff8dfd1a00 R08: 0000000000000001 R09: ffffc90003227210 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8dfd1a00 R13: ffffffff81ad25f8 R14: ffffffff8dfd1a00 R15: ffffc90003227120 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 save_stack+0xf6/0x1e0 mm/page_owner.c:119 __reset_page_owner+0x52/0x180 mm/page_owner.c:140 reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433 release_pages+0x1bb9/0x1f40 mm/swap.c:963 __pagevec_release+0x80/0xf0 mm/swap.c:983 pagevec_release include/linux/pagevec.h:81 [inline] shmem_undo_range+0x67a/0x1b50 mm/shmem.c:964 shmem_truncate_range mm/shmem.c:1063 [inline] shmem_evict_inode+0x21b/0xa00 mm/shmem.c:1145 evict+0x2a4/0x620 fs/inode.c:587 __dentry_kill+0x436/0x650 fs/dcache.c:586 dentry_kill+0xbb/0x290 dput+0xd8/0x1a0 fs/dcache.c:893 do_renameat2+0xe1c/0x1700 fs/namei.c:4987 __do_sys_rename fs/namei.c:5031 [inline] __se_sys_rename fs/namei.c:5029 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5029 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe7ffa0b93b Code: 48 8b 15 f0 64 15 00 83 c8 ff 64 83 3a 15 75 0e 48 8b 7c 24 08 e8 d5 d4 07 00 f7 d8 19 c0 48 83 c4 18 c3 b8 52 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 be 64 15 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffe94b583d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7ffa0b93b RDX: 0000555b4a4eae58 RSI: 00007ffe94b583f8 RDI: 00007ffe94b587f8 RBP: 0000555e1faf2cf0 R08: 0000000000000006 R09: 7273cab50a822511 R10: 00000000000001b6 R11: 0000000000000202 R12: 0000555e1faf8870 R13: 00007ffe94b583f8 R14: 00007ffe94b587f8 R15: 0000555e1f859160