tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:79186] Modules linked in: irq event stamp: 4941037 hardirqs last enabled at (4941036): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4941037): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4864338): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4864341): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 79186 Comm: syz-executor.1 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xd3/0x170 Code: ea 03 80 3c 02 00 0f 85 9a 00 00 00 8d 45 01 89 43 10 48 8b 03 48 8d 2c e8 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 64 48 89 75 00 8b 43 08 39 43 10 0f 92 c0 48 83 c4 RSP: 0018:ffff88806ce09848 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: ffff88806ce09930 RCX: 0000000000000000 RDX: 1ffff1100d9c1339 RSI: ffffffff834a65b9 RDI: ffff88806ce0993c RBP: ffff88806ce099c8 R08: ffffffff860da7fa R09: ffffffff860da7fe R10: ffffed100d9c131a R11: ffff88806ce098a8 R12: ffff88806ce09930 R13: 0000000000000000 R14: ffff888045ec5040 R15: ffff88804ba46000 FS: 00007f86e171a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2be36000 CR3: 0000000049bac000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 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_is_held_type+0xfc/0x130 Code: 40 02 87 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 10 e7 c3 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 06 39 02 00 45 31 ed eb RSP: 0018:ffff88804c2074c8 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff856085e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888045ec5040 R13: 0000000000000001 R14: 00000000ffffffff R15: ffff888045ec5a18 xas_find+0x3f9/0x860 find_lock_entries+0x166/0xba0 truncate_inode_pages_range+0x199/0xdf0 truncate_pagecache+0x67/0x90 ext4_setattr+0xdd1/0x2700 notify_change+0xca5/0x1400 do_truncate+0x143/0x200 path_openat+0x20cc/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f86e4207b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f86e171a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f86e431b1a0 RCX: 00007f86e4207b19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007f86e4261f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc947ec8f R14: 00007f86e171a300 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), 1 bytes skipped: 0: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 6: 85 9a 00 00 00 8d test %ebx,-0x73000000(%rdx) c: 45 01 89 43 10 48 8b add %r9d,-0x74b7efbd(%r9) 13: 03 48 8d add -0x73(%rax),%ecx 16: 2c e8 sub $0xe8,%al 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 89 ea mov %rbp,%rdx 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2d: 75 64 jne 0x93 2f: 48 89 75 00 mov %rsi,0x0(%rbp) 33: 8b 43 08 mov 0x8(%rbx),%eax 36: 39 43 10 cmp %eax,0x10(%rbx) 39: 0f 92 c0 setb %al 3c: 48 rex.W 3d: 83 .byte 0x83 3e: c4 .byte 0xc4