watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.5:7229] Modules linked in: irq event stamp: 2642735 hardirqs last enabled at (2642734): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2642735): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2591242): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2591245): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 7229 Comm: syz-executor.5 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc6e/0x2490 Code: 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff 49 8d 7f 50 <48> 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c RSP: 0018:ffff88806cf09a08 EFLAGS: 00000202 RAX: ffff88803fea51c0 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff88803e227901 RSI: ffff88803e2279c8 RDI: ffff88806cf09ac8 RBP: ffff88806cf09ad0 R08: 0000000000000001 R09: ffff88806cf09ab8 R10: 000000000003c001 R11: 000000000002063b R12: ffff88806cf09ad8 R13: ffff88806cf09ac0 R14: ffff88803e2279c8 R15: ffff88806cf09a78 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558c6089c4b8 CR3: 000000001510a000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kmem_cache_free+0x138/0x470 rcu_core+0x7c9/0x1790 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:free_pages_and_swap_cache+0x106/0x430 Code: 24 04 e8 2d df cb ff 48 63 44 24 04 48 8b 4c 24 10 4c 8d 24 c1 4c 89 e0 48 c1 e8 03 80 3c 18 00 0f 85 be 02 00 00 4d 8b 2c 24 <4c> 89 ed 48 83 e5 fc 48 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 18 00 RSP: 0018:ffff88803e227368 EFLAGS: 00000246 RAX: 1ffff110016eede0 RBX: dffffc0000000000 RCX: ffff88800b776010 RDX: ffff88800bc73700 RSI: ffffffff818621d3 RDI: 0000000000000004 RBP: ffffea0000e5f080 R08: 0000000000000000 R09: fffff940001cbe10 R10: 00000000000001de R11: 1ffff1100d9e7759 R12: ffff88800b776f00 R13: ffffea0000e5f0c0 R14: 000000000000000c R15: 00000000000001fd __tlb_batch_free_encoded_pages+0xfa/0x2b0 tlb_flush_mmu+0xea/0x5b0 unmap_page_range+0x19fb/0x3590 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x1f1/0x450 exit_mmap+0x187/0xac0 mmput+0xd5/0x350 do_exit+0x9ae/0x2a30 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa82705fb19 Code: Unable to access opcode bytes at 0x7fa82705faef. RSP: 002b:00007fa824572188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000004 RBX: 00007fa8271731a0 RCX: 00007fa82705fb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000580 RBP: 00007fa8270b9f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcba2c9cdf R14: 00007fa824572300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get+0x85/0x270 Code: 0e 11 00 ff 74 24 38 45 31 c9 31 d2 41 b8 01 00 00 00 b9 02 00 00 00 31 f6 48 c7 c7 88 e3 28 88 e8 00 51 ef ff 48 8b 74 24 40 <48> c7 c7 88 e3 28 88 e8 3f 45 ef ff 58 e8 99 0e 11 00 eb 07 e8 92 RSP: 0018:ffff88806ce09da0 EFLAGS: 00000092 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100d9c1381 RDX: 1ffffffff0b4564f RSI: ffffffff81443ac7 RDI: ffffffff8787b858 RBP: ffff88806ce2d758 R08: 0000000000000000 R09: fffffbfff0fddded R10: ffffffff87eeef6f R11: ffff88806ce09ff8 R12: 000000000003a6cc R13: dffffc0000000000 R14: ffff88806ce2cec0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000667000 CR3: 0000000015bdc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: tick_nohz_handler+0x27/0x6d0 __hrtimer_run_queues+0x57c/0xa70 hrtimer_interrupt+0x369/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 29 d0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000206 RAX: 00000000001464a3 RBX: 0000000000000000 RCX: ffffffff8484aaf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b0fca RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863fa390 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 4c 89 ff mov %r15,%rdi 7: 49 01 c6 add %rax,%r14 a: 4c 89 f6 mov %r14,%rsi d: e8 ca f1 ff ff callq 0xfffff1dc 12: 4d 8d 4f 40 lea 0x40(%r15),%r9 16: 84 c0 test %al,%al 18: 0f 84 a4 f6 ff ff je 0xfffff6c2 1e: 4c 89 f7 mov %r14,%rdi 21: e8 b6 e9 ff ff callq 0xffffe9dc 26: 49 8d 7f 50 lea 0x50(%r15),%rdi * 2a: 48 89 fa mov %rdi,%rdx <-- trapping instruction 2d: 48 89 c5 mov %rax,%rbp 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 48 c1 ea 03 shr $0x3,%rdx 3e: 80 .byte 0x80 3f: 3c .byte 0x3c