watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.2.1024:11571] Modules linked in: irq event stamp: 11562571 hardirqs last enabled at (11562570): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (11562571): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (10593326): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last enabled at (10593326): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last enabled at (10593326): [] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 softirqs last disabled at (10593329): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last disabled at (10593329): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last disabled at (10593329): [] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 CPU: 0 UID: 0 PID: 11571 Comm: syz.2.1024 Not tainted 6.15.0-rc3-syzkaller-g60400cd2b9be #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:stack_trace_consume_entry+0x3b/0x280 kernel/stacktrace.c:86 Code: 18 48 89 fb 48 ba 00 00 00 00 00 fc ff df 4c 8d 4f 10 4d 89 cf 49 c1 ef 03 41 0f b6 04 17 84 c0 0f 85 06 01 00 00 44 8b 43 10 <48> 8d 6b 08 49 89 ec 49 c1 ec 03 41 0f b6 04 14 84 c0 0f 85 1a 01 RSP: 0018:ffffc90000007490 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900000075c0 RCX: ffffffff91bfa000 RDX: dffffc0000000000 RSI: ffffffff8c2f2cd3 RDI: ffffc900000075c0 RBP: ffffc90000007570 R08: 0000000000000028 R09: ffffc900000075d0 R10: 0000000000000000 R11: ffffffff81ae6230 R12: ffff88802f0dda00 R13: ffffffff81ae6230 R14: ffffc900000075c0 R15: 1ffff92000000eba FS: 00007f2f020086c0(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe23c5215e8 CR3: 000000006b876000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000080000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x110/0x150 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] kmem_cache_alloc_node_noprof+0x1f2/0x3b0 mm/slub.c:4262 __alloc_skb+0x1c2/0x480 net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1340 [inline] new_skb+0x2f/0x2f0 drivers/block/aoe/aoecmd.c:66 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:430 [inline] aoecmd_cfg+0x2ba/0x830 drivers/block/aoe/aoecmd.c:1370 call_timer_fn+0x189/0x650 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x66e/0x8e0 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:migrate_disable+0xa1/0x190 kernel/sched/core.c:2386 Code: 00 00 4e 8d 3c fd 10 bc 79 8e 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 39 8c 9c 00 49 c7 c5 e0 08 6a 93 4d 03 2f <4c> 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 84 00 00 00 41 ff RSP: 0018:ffffc9000488f3b0 EFLAGS: 00000283 RAX: 1ffffffff1cf3782 RBX: 1ffff11005e1bbc8 RCX: ffffffff9a738603 RDX: ffffc9000c739000 RSI: ffffffff8ca1b6a0 RDI: ffffffff8ca1b660 RBP: ffffc9000488f4d0 R08: ffffffff81ce5e84 R09: 0000000000000000 R10: ffffc9000488f460 R11: fffff52000911e8e R12: dffffc0000000000 R13: ffff8880b863a8e0 R14: ffff88802f0dde40 R15: ffffffff8e79bc10 bpf_prog_run_array include/linux/bpf.h:2210 [inline] trace_call_bpf+0x241/0x8a0 kernel/trace/bpf_trace.c:146 perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10788 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x39c/0x4a0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b4/0x3e0 kernel/locking/lockdep.c:5877 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] is_module_text_address+0x194/0x1f0 kernel/module/main.c:3745 kernel_text_address+0x96/0xe0 kernel/extable.c:119 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xff/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 save_stack+0xfc/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x1e0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2725 __slab_free+0x2c6/0x390 mm/slub.c:4567 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] __do_kmalloc_node mm/slub.c:4340 [inline] __kmalloc_noprof+0x238/0x4d0 mm/slub.c:4353 kmalloc_noprof include/linux/slab.h:909 [inline] sk_prot_alloc+0xe0/0x210 net/core/sock.c:2198 sk_alloc+0x3e/0x370 net/core/sock.c:2254 __netlink_create+0x65/0x260 net/netlink/af_netlink.c:629 netlink_create+0x3c0/0x580 net/netlink/af_netlink.c:687 __sock_create+0x4c0/0xa30 net/socket.c:1541 sock_create net/socket.c:1599 [inline] __sys_socket_create net/socket.c:1636 [inline] __sys_socket+0x14d/0x3c0 net/socket.c:1683 __do_sys_socket net/socket.c:1697 [inline] __se_sys_socket net/socket.c:1695 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1695 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2f0118e969 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2f02008038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f2f013b5fa0 RCX: 00007f2f0118e969 RDX: 0000000000000000 RSI: 0000000400000002 RDI: 0000000000000010 RBP: 00007f2f01210ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2f013b5fa0 R15: 00007ffe87454818 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 11562 Comm: syz.4.1023 Not tainted 6.15.0-rc3-syzkaller-g60400cd2b9be #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:check_preemption_disabled+0x19/0x120 lib/smp_processor_id.c:13 Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 53 48 83 ec 10 4c 8d 25 3c b1 38 07 65 49 8b 04 24 <48> 89 44 24 08 65 8b 1d 3f b1 38 07 65 8b 05 34 b1 38 07 a9 ff ff RSP: 0018:ffffc90000a07850 EFLAGS: 00000086 RAX: 098981dfd0c15d00 RBX: 0000000000000000 RCX: 0000000000010102 RDX: ffff888021729e00 RSI: ffffffff8ca1b6a0 RDI: ffffffff8ca1b660 RBP: ffffc90000a079b0 R08: ffffffff81ce5e70 R09: 0000000000000000 R10: ffffc90000a07940 R11: fffff52000140f2a R12: ffffffff93686020 R13: dffffc0000000000 R14: ffff8880344d2c00 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88812509a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd9d7f2e000 CR3: 000000002589c000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_lockdep_current_cpu_online+0x37/0x120 kernel/rcu/tree.c:3986 rcu_read_lock_held_common kernel/rcu/update.c:113 [inline] rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349 bpf_prog_run_array include/linux/bpf.h:2203 [inline] trace_call_bpf+0x1e9/0x8a0 kernel/trace/bpf_trace.c:146 perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10788 do_perf_trace_lock include/trace/events/lock.h:50 [inline] perf_trace_lock+0x39c/0x4a0 include/trace/events/lock.h:50 __do_trace_lock_release include/trace/events/lock.h:69 [inline] trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x3b4/0x3e0 kernel/locking/lockdep.c:5877 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock+0x93/0xa0 include/linux/rcupdate.h:871 __perf_output_begin kernel/events/ring_buffer.c:268 [inline] perf_output_begin_forward+0xb6d/0xd30 kernel/events/ring_buffer.c:277 __perf_event_output kernel/events/core.c:8355 [inline] perf_event_output_forward+0x35e/0x540 kernel/events/core.c:8373 __perf_event_overflow+0xa5d/0xeb0 kernel/events/core.c:10249 perf_swevent_hrtimer+0x3b6/0x560 kernel/events/core.c:11613 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x55c/0xd40 kernel/time/hrtimer.c:1825 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1887 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:bpf_tree_comp kernel/bpf/core.c:642 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:210 [inline] RIP: 0010:bpf_ksym_find kernel/bpf/core.c:740 [inline] RIP: 0010:is_bpf_text_address+0x129/0x2a0 kernel/bpf/core.c:773 Code: db 0f 84 b9 00 00 00 48 c1 e5 03 48 8d 6c 6d 00 48 f7 dd 4c 8d 24 2b 49 81 c4 e0 fd ff ff 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 e7 e8 ad 89 5a 00 4d 8b 24 24 4c 89 e7 4c 89 fe e8 3e RSP: 0018:ffffc90000a08588 EFLAGS: 00000246 RAX: 1ffff1100ba8a440 RBX: ffff88805d452420 RCX: ffff888021729e00 RDX: 0000000000000100 RSI: ffffffff8ca1b6a0 RDI: ffffffff8ca1b660 RBP: 0000000000000000 R08: ffffffff81d2675a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805d452200 R13: dffffc0000000000 R14: 0000000000000001 R15: 00007f88d498e969 kernel_text_address+0xa7/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xff/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2398 [inline] slab_free mm/slub.c:4656 [inline] kmem_cache_free+0x197/0x410 mm/slub.c:4758 skb_kfree_head net/core/skbuff.c:1056 [inline] skb_free_head net/core/skbuff.c:1070 [inline] skb_release_data+0x67a/0x8b0 net/core/skbuff.c:1097 skb_release_all net/core/skbuff.c:1162 [inline] __kfree_skb net/core/skbuff.c:1176 [inline] consume_skb+0x9f/0xf0 net/core/skbuff.c:1408 mac80211_hwsim_beacon_tx+0x3c4/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2317 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2347 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x5a6/0xd40 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1842 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__tlb_adjust_range include/asm-generic/tlb.h:-1 [inline] RIP: 0010:tlb_flush_pte_range include/asm-generic/tlb.h:576 [inline] RIP: 0010:tlb_remove_tlb_entries include/asm-generic/tlb.h:630 [inline] RIP: 0010:zap_present_folio_ptes mm/memory.c:1519 [inline] RIP: 0010:zap_present_ptes mm/memory.c:1586 [inline] RIP: 0010:do_zap_pte_range mm/memory.c:1687 [inline] RIP: 0010:zap_pte_range mm/memory.c:1731 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1823 [inline] RIP: 0010:zap_pud_range mm/memory.c:1852 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1873 [inline] RIP: 0010:unmap_page_range+0x20fc/0x44d0 mm/memory.c:1894 Code: e8 69 ee 5d ff 48 8b 44 24 30 49 89 c6 49 c1 ee 03 43 80 3c 2e 00 74 0f 48 8b 7c 24 30 e8 ec af 1b 00 48 8b 44 24 30 48 8b 18 <48> 8b 4c 24 50 48 39 cb 48 0f 43 d9 43 80 3c 2e 00 74 0f 48 8b 7c RSP: 0018:ffffc9000437f220 EFLAGS: 00000246 RAX: ffffc9000437f830 RBX: 00007f88d3000000 RCX: ffff888021729e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000437f5d0 R08: ffffffff816f3091 R09: 1ffffd40002c8c90 R10: dffffc0000000000 R11: fffff940002c8c91 R12: ffffea0001646480 R13: dffffc0000000000 R14: 1ffff9200086ff06 R15: 8000000059192007 unmap_vmas+0x3ce/0x5f0 mm/memory.c:1984 exit_mmap+0x2bc/0xde0 mm/mmap.c:1284 __mmput+0x115/0x420 kernel/fork.c:1379 exit_mm+0x221/0x310 kernel/exit.c:589 do_exit+0x994/0x27f0 kernel/exit.c:940 do_group_exit+0x207/0x2c0 kernel/exit.c:1102 get_signal+0x1696/0x1730 kernel/signal.c:3034 arch_do_signal_or_restart+0x98/0x810 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x210 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f88d498e969 Code: Unable to access opcode bytes at 0x7f88d498e93f. RSP: 002b:00007f88d5782038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffea RBX: 00007f88d4bb5fa0 RCX: 00007f88d498e969 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000500 RBP: 00007f88d4a10ab1 R08: 0000000000000009 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f88d4bb5fa0 R15: 00007ffcb2d7fb08