watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.3.297:6218] Modules linked in: irq event stamp: 12694993 hardirqs last enabled at (12694992): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (12694993): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (12694776): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (12694776): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (12694776): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (12694823): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (12694823): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (12694823): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 6218 Comm: syz.3.297 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:stack_trace_consume_entry+0xf5/0x280 kernel/stacktrace.c:93 Code: 00 fc ff df 48 8b 1b 45 8d 70 01 41 0f b6 04 17 84 c0 0f 85 31 01 00 00 45 89 31 4a 8d 1c c3 48 89 d8 48 c1 e8 03 80 3c 10 00 <74> 1a 4d 89 cf 48 89 df 49 89 d6 49 89 f5 e8 f8 0b 7e 00 4d 89 f9 RSP: 0018:ffffc90000006d90 EFLAGS: 00000246 RAX: 1ffff92000000df4 RBX: ffffc90000006fa0 RCX: ffffffff917bc000 RDX: dffffc0000000000 RSI: ffffffff81ef9113 RDI: ffffc90000006ecc RBP: ffffc90000006ec8 R08: 0000000000000000 R09: ffffc90000006ed0 R10: ffffc90000006e30 R11: ffffffff8180a0c0 R12: 1ffff92000000dd9 R13: 1ffff92000000dd9 R14: 0000000000000001 R15: 1ffff92000000dda FS: 00007fbc1d5e26c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557ec2c808 CR3: 0000000031a14000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x10e/0x150 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 save_stack+0xfb/0x1f0 mm/page_owner.c:156 __set_page_owner+0x92/0x800 mm/page_owner.c:320 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x120 mm/slub.c:2412 allocate_slab+0x5a/0x2f0 mm/slub.c:2578 new_slab mm/slub.c:2631 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818 __slab_alloc+0x58/0xa0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] kmem_cache_alloc_node_noprof+0x1fe/0x320 mm/slub.c:4186 kmalloc_reserve+0xa8/0x2a0 net/core/skbuff.c:587 __alloc_skb+0x1f3/0x440 net/core/skbuff.c:678 skb_copy+0x19d/0x9c0 net/core/skbuff.c:2159 mac80211_hwsim_tx_frame_no_nl+0x106b/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1866 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x222/0x510 net/mac80211/util.c:774 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:810 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1772 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 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:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:430 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x781/0xdb0 kernel/locking/qspinlock.c:508 Code: ff 42 0f b6 04 2b 84 c0 75 6c 66 c7 84 24 b0 00 00 00 00 01 48 8b 44 24 40 42 0f b6 04 28 84 c0 75 77 41 80 3e 00 74 0c f3 90 <41> ff c4 75 d2 e9 a0 00 00 00 4c 89 f7 be 02 00 00 00 e8 a8 62 2e RSP: 0018:ffffc9000343f960 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 1ffff92000687f42 RCX: ffffc9000343fa01 RDX: ffffc900091b3000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000343fa98 R08: ffffffff942c983f R09: 1ffffffff2859307 R10: dffffc0000000000 R11: fffffbfff2859308 R12: 00000000ffffdcec R13: dffffc0000000000 R14: ffff888148c08a90 R15: ffffc9000343fa20 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] d_instantiate+0x64/0xa0 fs/dcache.c:1893 alloc_path_pseudo fs/file_table.c:341 [inline] alloc_file_pseudo+0x19e/0x290 fs/file_table.c:353 __anon_inode_getfile fs/anon_inodes.c:109 [inline] __anon_inode_getfd fs/anon_inodes.c:234 [inline] anon_inode_getfd+0xce/0x1e0 fs/anon_inodes.c:269 map_create+0xe1f/0x11c0 kernel/bpf/syscall.c:1405 __sys_bpf+0x6d1/0x810 kernel/bpf/syscall.c:5631 __do_sys_bpf kernel/bpf/syscall.c:5756 [inline] __se_sys_bpf kernel/bpf/syscall.c:5754 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5754 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbc1c77dff9 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:00007fbc1d5e2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbc1c935f80 RCX: 00007fbc1c77dff9 RDX: 0000000000000048 RSI: 00000000200003c0 RDI: 0000000000000000 RBP: 00007fbc1c7f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbc1c935f80 R15: 00007ffc9371d868 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6219 Comm: syz.1.298 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:perf_fetch_caller_regs include/linux/perf_event.h:1454 [inline] RIP: 0010:perf_trace_preemptirq_template+0x1cb/0x3f0 include/trace/events/preemptirq.h:14 Code: 26 00 74 0a 48 8d 7c 24 60 e8 f1 01 62 00 4c 8b 74 24 60 48 8b 5d 08 49 8d be 80 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <74> 05 e8 be 02 62 00 49 89 9e 80 00 00 00 49 8d be 98 00 00 00 48 RSP: 0018:ffffc90000a18c60 EFLAGS: 00000046 RAX: 1ffff110170e6f39 RBX: ffffffff819cae81 RCX: ffff888029c7da00 RDX: 0000000000000100 RSI: 0000000000000001 RDI: ffff8880b87379c8 RBP: ffffc90000a18d60 R08: ffffffff819e80eb R09: 1ffffffff2039fd5 R10: dffffc0000000000 R11: fffffbfff2039fd6 R12: dffffc0000000000 R13: 1ffff92000143194 R14: ffff8880b8737948 R15: ffffe8ffffda2000 FS: 000055557189e500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdf1719f78 CR3: 00000000780e8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_irq_enable+0xf1/0x120 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56 irqentry_exit+0x63/0x90 kernel/entry/common.c:357 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline] RIP: 0010:handle_softirqs+0x1e3/0x980 kernel/softirq.c:542 Code: 7c 24 70 45 0f b7 e4 48 c7 c7 60 c0 09 8c e8 d4 f3 6e 0a 65 66 c7 05 02 45 ac 7e 00 00 e8 d5 1b 45 00 fb 49 c7 c6 c0 a0 60 8e ff ff ff ff 41 0f bc c4 41 89 c7 41 ff c7 0f 84 eb 03 00 00 44 RSP: 0018:ffffc90000a18e40 EFLAGS: 00000286 RAX: 8dfd9d77d71e6d00 RBX: ffffc90000a18ee0 RCX: ffffffff8170ce0a RDX: dffffc0000000000 RSI: ffffffff8c0acaa0 RDI: ffffffff8c6101e0 RBP: ffffc90000a18f50 R08: ffffffff942c983f R09: 1ffffffff2859307 R10: dffffc0000000000 R11: fffffbfff2859308 R12: 0000000000000200 R13: 0000000000000000 R14: ffffffff8e60a0c0 R15: 1ffff1100538fb40 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:rcu_read_unlock_special+0x88/0x570 kernel/rcu/tree_plugin.h:693 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 14 66 41 c7 44 14 09 f3 f3 41 c6 44 14 0b f3 65 44 8b 3d c9 1d 88 7e 41 f7 c7 00 00 f0 00 74 49 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 22 00 00 00 00 66 42 c7 44 22 RSP: 0018:ffffc9000335fc20 EFLAGS: 00000206 RAX: 8dfd9d77d71e6d00 RBX: 1ffff9200066bf8c RCX: ffffffff8170ce0a RDX: dffffc0000000000 RSI: ffffffff8c0acaa0 RDI: ffffffff8c6101e0 RBP: ffffc9000335fd00 R08: ffffffff942c983f R09: 1ffffffff2859307 R10: dffffc0000000000 R11: fffffbfff2859308 R12: 1ffff9200066bf88 R13: ffff888029c7de60 R14: ffffc9000335fc60 R15: 0000000000000000 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:437 dput+0x197/0x2b0 fs/dcache.c:856 __fput+0x5d2/0x880 fs/file_table.c:439 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbf10d7dff9 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:00007ffd03e3c8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000001d291 RCX: 00007fbf10d7dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fbf10f37a80 R08: 0000000000000001 R09: 00007ffd03e3cbbf R10: 00007fbf10c00000 R11: 0000000000000246 R12: 000000000001d2e2 R13: 00007ffd03e3c9d0 R14: 0000000000000032 R15: ffffffffffffffff