watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-execprog:386] Modules linked in: CPU: 0 PID: 386 Comm: syz-execprog Not tainted 5.15.156-syzkaller-1070798-g29d153aabd54 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918 Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ef 12 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0000:ffffc90000e973c0 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff920001d2e7c RCX: 1ffffffff0c9ab14 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7038ad4 RBP: ffffc90000e97470 R08: dffffc0000000000 R09: ffffed103ee0715b R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7038ad4 R14: 0000000000000001 R15: 1ffff920001d2e80 FS: 000000c0000d2490(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0013db000 CR3: 000000011c7ce000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_node kernel/locking/qspinlock_paravirt.h:325 [inline] __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0x177/0x400 net/core/sock_map.c:943 bpf_prog_2c29ac5cdc6b1842+0x3a/0x140 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 __traceiter_mm_page_alloc+0x3a/0x60 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5801 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] do_anonymous_page mm/memory.c:4032 [inline] handle_pte_fault+0xea0/0x24d0 mm/memory.c:4869 do_handle_mm_fault+0x20bc/0x2400 mm/memory.c:5293 do_user_addr_fault arch/x86/mm/fault.c:1356 [inline] handle_page_fault arch/x86/mm/fault.c:1540 [inline] exc_page_fault+0x26f/0x830 arch/x86/mm/fault.c:1596 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x46dfd9 Code: fe 7f 44 1f 80 c5 f8 77 c3 80 3d 04 3a ef 01 01 75 0d c5 f9 ef c0 48 81 fb 00 00 00 02 73 13 48 89 d9 48 c1 e9 03 48 83 e3 07 48 ab e9 65 fe ff ff c5 fe 7f 07 48 89 fe 48 83 c7 20 48 83 e7 RSP: 002b:000000c0000b9bf8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 00007fd6826f55b8 RSI: 00000000009dd301 RDI: 000000c0013db000 RBP: 000000c0000b9c58 R08: 0000000000000000 R09: 0000000000001000 R10: 00007fd63b949a40 R11: 000000c0013db000 R12: 0000000000000001 R13: 0000000000000002 R14: 000000c00008cd00 R15: 0000000000000001 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 480 Comm: syz-executor.1 Not tainted 5.15.156-syzkaller-1070798-g29d153aabd54 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918 Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ef 12 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc90000aa62e0 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff92000154c60 RCX: ffffffff81552d3f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888106df5398 RBP: ffffc90000aa6390 R08: dffffc0000000000 R09: ffffed1020dbea74 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888106df5398 R14: 0000000000000003 R15: 1ffff92000154c64 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe433eac48 CR3: 00000001067e6000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0x177/0x400 net/core/sock_map.c:943 bpf_prog_2c29ac5cdc6b1842+0x3a/0x140 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 __traceiter_mm_page_alloc+0x3a/0x60 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5801 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326 stack_depot_save+0xe/0x10 lib/stackdepot.c:383 save_stack+0x104/0x1e0 mm/page_owner.c:140 __set_page_owner+0x28/0x2e0 mm/page_owner.c:200 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5779 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326 kasan_save_stack mm/kasan/common.c:39 [inline] kasan_set_track+0x5d/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749 slab_free mm/slub.c:3519 [inline] kfree+0xc8/0x220 mm/slub.c:4579 sk_psock_free_link include/linux/skmsg.h:420 [inline] sock_map_del_link net/core/sock_map.c:160 [inline] sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182 sock_hash_delete_elem+0x388/0x400 net/core/sock_map.c:947 bpf_prog_2c29ac5cdc6b1842+0x3a/0x140 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 __traceiter_mm_page_alloc+0x3a/0x60 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5801 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] __get_free_pages+0x10/0x30 mm/page_alloc.c:5816 tlb_next_batch mm/mmu_gather.c:29 [inline] __tlb_remove_page_size+0x178/0x300 mm/mmu_gather.c:83 __tlb_remove_page include/asm-generic/tlb.h:444 [inline] zap_pte_range mm/memory.c:1437 [inline] zap_pmd_range mm/memory.c:1559 [inline] zap_pud_range mm/memory.c:1588 [inline] zap_p4d_range mm/memory.c:1609 [inline] unmap_page_range+0x1226/0x1ed0 mm/memory.c:1630 unmap_single_vma mm/memory.c:1675 [inline] unmap_vmas+0x389/0x560 mm/memory.c:1707 exit_mmap+0x3e4/0x940 mm/mmap.c:3215 __mmput+0x95/0x310 kernel/fork.c:1179 mmput+0x5b/0x170 kernel/fork.c:1202 exit_mm kernel/exit.c:552 [inline] do_exit+0xb9c/0x2ca0 kernel/exit.c:865 do_group_exit+0x141/0x310 kernel/exit.c:1000 __do_sys_exit_group kernel/exit.c:1011 [inline] __se_sys_exit_group kernel/exit.c:1009 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1009 x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 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: 0033:0x7fa74ef8aea9 Code: Unable to access opcode bytes at RIP 0x7fa74ef8ae7f. RSP: 002b:00007ffd0f3cd2d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fa74ef8aea9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 00007fa74ef0d000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000