watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.1:5207] Modules linked in: irq event stamp: 8047127 hardirqs last enabled at (8047126): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (8047127): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (8016844): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (8016847): [] __irq_exit_rcu+0x11b/0x190 CPU: 1 PID: 5207 Comm: syz-executor.1 Not tainted 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x3f/0x100 Code: 85 d2 0f 84 99 00 00 00 49 89 fd 4c 39 e7 0f 87 a2 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c 48 8d 6b 04 <49> 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 RSP: 0018:ffff88806d109580 EFLAGS: 00000212 RAX: ffffffff8436ec9b RBX: ffffffff85c0c3a0 RCX: ffffffff8436eca8 RDX: 0000000000000000 RSI: ffffffff8605f214 RDI: ffffffff85c0c368 RBP: ffffffff85c0c3a4 R08: ffffffff8605f214 R09: ffffffff85c8da58 R10: ffff88806d109ff8 R11: 0000000000036001 R12: ffffffff85c0c3a0 R13: ffffffff85c0c368 R14: ffffffff85c0c39c R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf58752718 CR3: 000000001739e000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x2ad/0x2140 arch_stack_walk+0x83/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 kasan_set_track+0x21/0x40 __kasan_slab_alloc+0x58/0x80 kmem_cache_alloc+0x1a9/0x3f0 __create_object+0x3d/0xc10 __kmem_cache_alloc_node+0x22f/0x3e0 __kmalloc_node_track_caller+0x3d/0xc0 __alloc_skb+0xe5/0x320 skb_copy+0x139/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:__kasan_check_read+0x4/0x20 Code: 05 00 80 00 00 48 89 fb 48 39 c7 0f 82 38 28 ad 02 eb dd cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 0c 24 <89> f6 31 d2 e9 63 f5 ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff888043457670 EFLAGS: 00000246 RAX: 1ffffd400018a8d0 RBX: 0000000000000000 RCX: ffffffff817de6c8 RDX: 1ffffd400018a8d7 RSI: 0000000000000008 RDI: ffffea0000c54680 RBP: ffff8880434576c0 R08: 0000000000000000 R09: ffffffff8720e807 R10: fffffbfff0e41d00 R11: 0000000000000001 R12: dffffc0000000000 R13: fffff9400018a8d0 R14: 1ffffd400018a8d7 R15: ffffea0000c54680 folio_memcg_lock+0xb8/0x4b0 page_remove_rmap+0x1e/0x4a0 unmap_page_range+0x1c2d/0x2a50 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbf5b21eb19 Code: Unable to access opcode bytes at 0x7fbf5b21eaef. RSP: 002b:00007fbf58773188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000006 RBX: 00007fbf5b332020 RCX: 00007fbf5b21eb19 RDX: 0000000000000800 RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 00007fbf5b278f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed537628f R14: 00007fbf58773300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5202 Comm: syz-executor.2 Not tainted 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0xb9/0xc90 Code: 41 83 e4 07 49 01 c5 41 83 c4 03 be 04 00 00 00 48 89 ef e8 d9 ae 42 fd 41 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 1c 0a 00 00 <8b> 5d 00 85 db 75 62 be 04 00 00 00 48 89 ef e8 d3 ae 42 fd 89 d8 RSP: 0018:ffff88806d009a28 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84390957 RDX: fffffbfff0ac827d RSI: 0000000000000004 RDI: ffffffff856413e0 RBP: ffffffff856413e0 R08: 0000000000000000 R09: ffffffff856413e3 R10: fffffbfff0ac827c R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac827c R14: 0000000000000001 R15: 1ffff1100da01346 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf15a83000 CR3: 000000001739e000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1dc/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:write_comp_data+0x10/0xa0 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 49 89 f1 49 89 d2 49 89 f8 65 8b 05 88 51 bb 7e <89> c6 81 e6 00 01 00 00 65 48 8b 14 25 c0 76 03 00 a9 00 01 ff 00 RSP: 0018:ffff8880436b76f8 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff8880436b7ad8 RCX: ffffffff816be920 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffffea0000e89100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801f9b15c0 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 unmap_page_range+0x19f0/0x2a50 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fcd9a2dab19 Code: Unable to access opcode bytes at 0x7fcd9a2daaef. RSP: 002b:00007fcd97850188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: 0000000000000000 RBX: 00007fcd9a3edf60 RCX: 00007fcd9a2dab19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007fcd9a334f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff6a88d9df R14: 00007fcd97850300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 85 d2 test %edx,%edx 2: 0f 84 99 00 00 00 je 0xa1 8: 49 89 fd mov %rdi,%r13 b: 4c 39 e7 cmp %r12,%rdi e: 0f 87 a2 00 00 00 ja 0xb6 14: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 1b: fc ff df 1e: 49 89 fe mov %rdi,%r14 21: 48 89 fd mov %rdi,%rbp 24: eb 0c jmp 0x32 26: 48 8d 6b 04 lea 0x4(%rbx),%rbp * 2a: 49 89 de mov %rbx,%r14 <-- trapping instruction 2d: 49 39 ec cmp %rbp,%r12 30: 72 4d jb 0x7f 32: 4c 89 e0 mov %r12,%rax 35: 48 29 e8 sub %rbp,%rax 38: 48 89 c2 mov %rax,%rdx 3b: 48 c1 e8 3f shr $0x3f,%rax 3f: 48 rex.W