nfs4: Unknown parameter '„' 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:5335] Modules linked in: irq event stamp: 6641023 hardirqs last enabled at (6641022): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (6641023): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (6571302): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (6571305): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 5335 Comm: syz-executor.0 Not tainted 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:slab_post_alloc_hook mm/slab.h:532 [inline] RIP: 0010:slab_alloc_node mm/slub.c:2896 [inline] RIP: 0010:slab_alloc mm/slub.c:2904 [inline] RIP: 0010:kmem_cache_alloc+0x13e/0x310 mm/slub.c:2909 Code: 00 00 41 f7 c6 00 01 00 00 0f 85 04 01 00 00 44 8b 25 c6 2c fb 03 4c 89 fe 48 89 ef 45 21 f4 44 89 e2 e8 c5 37 00 00 8b 75 1c <48> 89 44 24 08 48 89 c7 f6 45 0a 80 75 0d 44 89 e1 ba 01 00 00 00 RSP: 0018:ffff88806ce09a18 EFLAGS: 00000292 RAX: ffff88800db3c360 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000006cdeecfd RSI: 0000000000000170 RDI: 0000000000000000 RBP: ffff88800804d640 R08: 00000000cef31753 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000092a20 R13: 0000000000000000 R14: 0000000000092a20 R15: ffff88800db3c360 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdbd245cd8 CR3: 00000000097f2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 000000000ddd062a Call Trace: mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:447 netdev_alloc_skb include/linux/skbuff.h:2857 [inline] dev_alloc_skb include/linux/skbuff.h:2870 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:release_pages+0x759/0xc20 mm/swap.c:880 Code: ff 8b 5c 24 40 83 c5 01 89 ee 89 df e8 40 c5 e9 ff 39 eb 0f 84 1a 02 00 00 e8 63 cc e9 ff 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <0f> 85 44 03 00 00 48 83 7c 24 08 00 4d 8b 3e 74 23 e8 41 cc e9 ff RSP: 0018:ffff8880496c7630 EFLAGS: 00000246 RAX: 1ffff110039f0cd8 RBX: 000000000000012e RCX: ffffffff8156d2c0 RDX: ffff88804732b480 RSI: ffffffff8156d2cd RDI: 0000000000000004 RBP: 00000000000000d6 R08: 0000000000000001 R09: ffffea0000db3df7 R10: 000000000000012e R11: 0000000000000001 R12: ffffea0000db3d00 R13: dffffc0000000000 R14: ffff88801cf866c0 R15: ffffea0000db3dc0 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu+0xe9/0x6e0 mm/mmu_gather.c:247 zap_pte_range mm/memory.c:1355 [inline] zap_pmd_range mm/memory.c:1404 [inline] zap_pud_range mm/memory.c:1433 [inline] zap_p4d_range mm/memory.c:1454 [inline] unmap_page_range+0x17d9/0x1fe0 mm/memory.c:1475 unmap_single_vma+0x198/0x300 mm/memory.c:1520 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:536 [inline] do_exit+0xa96/0x2600 kernel/exit.c:847 do_group_exit+0x125/0x310 kernel/exit.c:982 get_signal+0x4bc/0x2350 kernel/signal.c:2759 arch_do_signal_or_restart+0x2b7/0x1990 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x10f/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f9941f2fa04 Code: Unable to access opcode bytes at RIP 0x7f9941f2f9da. RSP: 002b:00007f993f4f2060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: fffffffffffffffe RBX: 00007f994208ff60 RCX: 00007f9941f2fa04 RDX: 0000000000000002 RSI: 00007f993f4f20f0 RDI: 00000000ffffff9c RBP: 00007f993f4f20f0 R08: 0000000000000000 R09: 00007f993f4f1f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffd68a4ca7f R14: 00007f993f4f2300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 132 Comm: sd-resolve Not tainted 5.10.225 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_hardirqs_off+0x13/0x160 kernel/trace/trace_preemptirq.c:78 Code: ff ff ff e8 8f 81 25 00 eb ba 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 54 55 53 e8 17 90 f9 ff 48 8b 7c 24 18 e8 3d eb 9e 02 <65> 8b 1d d6 6b bc 7e 31 ff 89 de e8 4d 89 f9 ff 85 db 75 2a e8 f4 RSP: 0018:ffff888017c37c08 EFLAGS: 00000002 RAX: ffff88800922cec0 RBX: ffff88800c82a780 RCX: 0000000000026f95 RDX: 0000000000026f96 RSI: ffffffff81470f19 RDI: ffffffff816e4c4e RBP: ffff88800c82a780 R08: 0000000000000000 R09: ffffffff816c9300 R10: ffff88801af0d5f0 R11: 0000000000000001 R12: 0000000000000288 R13: 0000000000000296 R14: 0000000000000200 R15: 00000000fffffff8 FS: 00007f5c68a12700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005578410af678 CR3: 000000000e584000 CR4: 0000000000350ee0 Call Trace: refill_obj_stock+0x1ce/0x320 mm/memcontrol.c:3213 memcg_slab_free_hook mm/slab.h:382 [inline] memcg_slab_free_hook mm/slab.h:351 [inline] do_slab_free mm/slub.c:3105 [inline] ___cache_free+0x101/0x360 mm/slub.c:3156 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 sock_alloc_inode+0x18/0x1c0 net/socket.c:253 alloc_inode+0x63/0x240 fs/inode.c:233 new_inode_pseudo+0x14/0xe0 fs/inode.c:964 sock_alloc+0x3c/0x270 net/socket.c:573 __sock_create+0xbd/0x7f0 net/socket.c:1399 sock_create net/socket.c:1486 [inline] __sys_socket+0xef/0x200 net/socket.c:1528 __do_sys_socket net/socket.c:1537 [inline] __se_sys_socket net/socket.c:1535 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1535 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5c69309477 Code: 73 01 c3 48 8b 0d 19 ea 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e9 e9 0b 00 f7 d8 64 89 01 48 RSP: 002b:00007f5c68a0ae78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c69309477 RDX: 0000000000000000 RSI: 0000000000080802 RDI: 0000000000000002 RBP: 00007f5c68a12db8 R08: 0000000000000027 R09: 00007f5c68a0b198 R10: 00007f5c68a0ae64 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007f5c68a0b1a8 R14: 00007f5c68a12dcc R15: 00007f5c68a12db8 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 41 f7 c6 00 01 00 00 test $0x100,%r14d 9: 0f 85 04 01 00 00 jne 0x113 f: 44 8b 25 c6 2c fb 03 mov 0x3fb2cc6(%rip),%r12d # 0x3fb2cdc 16: 4c 89 fe mov %r15,%rsi 19: 48 89 ef mov %rbp,%rdi 1c: 45 21 f4 and %r14d,%r12d 1f: 44 89 e2 mov %r12d,%edx 22: e8 c5 37 00 00 callq 0x37ec 27: 8b 75 1c mov 0x1c(%rbp),%esi * 2a: 48 89 44 24 08 mov %rax,0x8(%rsp) <-- trapping instruction 2f: 48 89 c7 mov %rax,%rdi 32: f6 45 0a 80 testb $0x80,0xa(%rbp) 36: 75 0d jne 0x45 38: 44 89 e1 mov %r12d,%ecx 3b: ba 01 00 00 00 mov $0x1,%edx