Process accounting resumed Process accounting resumed watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:12290] Modules linked in: irq event stamp: 9147785 hardirqs last enabled at (9147784): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (9147785): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (9117334): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (9117337): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 12290 Comm: syz-executor.2 Not tainted 6.1.0-rc4-next-20221111 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__create_object+0x255/0xc00 Code: df 49 c7 87 a8 00 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ad 06 00 00 49 8d bf b4 00 00 00 <45> 89 b7 b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffff88806d009a10 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffff110085a99d0 RDX: 1ffff110085a99de RSI: 0000000000000004 RDI: ffff888042d4cef4 RBP: ffff888043670400 R08: 0000000000000001 R09: ffff888042d4ced3 R10: ffffed10085a99da R11: 0000000000000001 R12: ffff888042d4ce88 R13: 0000000000000000 R14: 0000000000000001 R15: ffff888042d4ce40 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564a029e4ca0 CR3: 0000000005226000 CR4: 0000000000350ef0 Call Trace: __kmem_cache_alloc_node+0x237/0x3d0 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire+0x4d/0x530 Code: 44 89 c5 53 48 81 ec b0 00 00 00 48 8d 5c 24 10 4c 89 0c 24 48 c7 44 24 10 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 18 da 38 f4 84 <48> 01 d8 48 c7 44 24 20 a0 d3 2b 81 c7 00 f1 f1 f1 f1 c7 40 04 f1 RSP: 0018:ffff88804557f510 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: 1ffff11008aafea4 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85407e60 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85407e60 R15: 0000000000000000 folio_memcg_lock+0x3e/0x4a0 page_remove_rmap+0x102/0x780 unmap_page_range+0x2002/0x2c30 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f5a1a96bb19 Code: Unable to access opcode bytes at 0x7f5a1a96baef. RSP: 002b:00007f5a17ee1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: fffffffffffffff2 RBX: 00007f5a1aa7ef60 RCX: 00007f5a1a96bb19 RDX: 0000000000000002 RSI: 0000000020000680 RDI: 00000000000000a1 RBP: 00007f5a1a9c5f6d R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000980 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe152be32f R14: 00007f5a17ee1300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: df 49 c7 fisttps -0x39(%rcx) 3: 87 a8 00 00 00 00 xchg %ebp,0x0(%rax) 9: 00 00 add %al,(%rax) b: 00 48 89 add %cl,-0x77(%rax) e: fa cli f: 48 c1 ea 03 shr $0x3,%rdx 13: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 17: 84 c0 test %al,%al 19: 74 08 je 0x23 1b: 3c 03 cmp $0x3,%al 1d: 0f 8e ad 06 00 00 jle 0x6d0 23: 49 8d bf b4 00 00 00 lea 0xb4(%r15),%rdi * 2a: 45 89 b7 b0 00 00 00 mov %r14d,0xb0(%r15) <-- trapping instruction 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df 3b: 48 89 fa mov %rdi,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1