watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:24154] Modules linked in: irq event stamp: 2438781 hardirqs last enabled at (2438780): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2438781): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2435148): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2435157): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 24154 Comm: syz-executor.2 Not tainted 6.12.0-next-20241125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kernel_text_address+0xf/0x40 Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 53 48 89 fb e8 23 ff ff ff 85 c0 <75> 1b 48 81 fb 00 b0 d5 86 72 0c 31 c0 48 81 fb fa ac eb 86 0f 92 RSP: 0018:ffff88806cf09730 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff83fb9869 RCX: 0000000000000001 RDX: 1ffff1100d9e12f6 RSI: ffff88806cf09a68 RDI: ffffffff83fb9869 RBP: ffff88806cf097b0 R08: 0000000000000001 R09: ffff88806cf09798 R10: 000000000003c001 R11: 00000000000a70ba R12: ffff88806cf09820 R13: 0000000000000000 R14: ffff88802ae1b700 R15: 0000000000000000 FS: 00007f8bfeb9b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31a2a000 CR3: 000000003e9de000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_cache_noprof+0x316/0x3e0 dst_cow_metrics_generic+0x4c/0x1e0 icmp6_dst_alloc+0x45b/0x5f0 ndisc_send_skb+0x1159/0x1bb0 ndisc_send_rs+0x12d/0x540 addrconf_rs_timer+0x2e7/0x7a0 call_timer_fn+0x198/0x5c0 __run_timer_base.part.0+0x688/0x950 run_timer_softirq+0xff/0x1e0 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:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 9e 45 fb 02 48 29 c3 48 89 RSP: 0018:ffff88802b9dfaf8 EFLAGS: 00000246 RAX: fffff940000aece0 RBX: fffff940000aece1 RCX: ffffffff818386ba RDX: fffff940000aece1 RSI: 0000000000000008 RDI: ffffea0000576700 RBP: fffff940000aece0 R08: 0000000000000000 R09: fffff940000aece0 R10: ffffea0000576707 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffff888015d9cf00 R15: ffff888015d9cf00 __free_pages+0x1a/0x1b0 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x490 alloc_empty_file+0x94/0x1e0 alloc_file_pseudo+0x139/0x200 sock_alloc_file+0x53/0x1d0 __sys_socket+0x1bc/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8c01625b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8bfeb9b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f8c01738f60 RCX: 00007f8c01625b19 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 00007f8c0167ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe251d2c7f R14: 00007f8bfeb9b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 Process accounting paused Process accounting paused netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24309 comm=syz-executor.0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24336 comm=syz-executor.0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24357 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24359 comm=syz-executor.6 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24370 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24373 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24381 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24407 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24422 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=24419 comm=syz-executor.1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. ---------------- Code disassembly (best guess): 0: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 7: 00 00 00 a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 66 0f 1f 00 nopw (%rax) 1f: 53 push %rbx 20: 48 89 fb mov %rdi,%rbx 23: e8 23 ff ff ff callq 0xffffff4b 28: 85 c0 test %eax,%eax * 2a: 75 1b jne 0x47 <-- trapping instruction 2c: 48 81 fb 00 b0 d5 86 cmp $0xffffffff86d5b000,%rbx 33: 72 0c jb 0x41 35: 31 c0 xor %eax,%eax 37: 48 81 fb fa ac eb 86 cmp $0xffffffff86ebacfa,%rbx 3e: 0f .byte 0xf 3f: 92 xchg %eax,%edx