Bluetooth: hci49: command 0x0419 tx timeout 9pnet: Insufficient options for proto=fd watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:22025] Modules linked in: irq event stamp: 3610811 hardirqs last enabled at (3610810): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3610811): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3594806): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3594809): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3594809): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 22025 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:478 [inline] RIP: 0010:rhltable_lookup include/linux/rhashtable.h:566 [inline] RIP: 0010:sta_info_hash_lookup+0x51/0x710 net/mac80211/sta_info.c:163 Code: c2 48 89 44 24 60 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 70 06 00 00 48 8b 44 24 08 4c 8b a8 c0 07 00 00 4a c1 b9 f9 31 ff 89 c3 89 c6 e8 2f aa cb f9 85 db 74 1d e8 b6 RSP: 0018:ffff8880ba007c10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88801b651740 RBX: ffff88801b651740 RCX: ffffffff8796eb20 RDX: 1ffff110036ca3e0 RSI: ffffffff8796dc6e RDI: ffff88801b651740 RBP: ffff88805a5c211a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801b651740 R13: ffff8880325c6800 R14: 0000000000000001 R15: ffff88805a5c211a FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f2696ee088 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sta_info_get_bss+0xb1/0x340 net/mac80211/sta_info.c:200 __ieee80211_rx_handle_packet net/mac80211/rx.c:4542 [inline] ieee80211_rx_napi+0x106d/0x2470 net/mac80211/rx.c:4672 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:unlock_page_memcg+0x1d/0x30 mm/memcontrol.c:1964 Code: c1 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 b8 00 00 00 00 00 fc ff df 53 48 89 fb 48 83 c7 38 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 0a 48 8b 7b 38 5b e9 d7 fe ff ff e8 22 9c f9 ff eb ef 48 b8 00 RSP: 0018:ffff88822be8f730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffffea0002795180 RCX: ffffffff818fb155 RDX: 1ffffd40004f2a37 RSI: ffffffff818fb11a RDI: ffffea00027951b8 RBP: ffffea0002795180 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f319e367000 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f319e411279 Code: Bad RIP value. RSP: 002b:00007f319cd86168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 00000000000b5000 RBX: 00007f319e523f80 RCX: 00007f319e411279 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f319e46b2e9 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdef40136f R14: 00007f319cd86300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 18136 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:__rcu_read_unlock+0x82/0x160 kernel/rcu/tree_plugin.h:439 Code: 0f b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b4 00 00 00 8b 83 70 03 00 00 3d 01 00 00 c0 0f 83 91 00 00 00 <5b> 5d c3 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 0f b6 RSP: 0018:ffff8880323b7c98 EFLAGS: 00000217 RAX: 0000000000000000 RBX: ffff88801df7a300 RCX: ffffffff87d8f371 RDX: 0000000000000000 RSI: ffffffff87d8f07a RDI: ffff88801df7a674 RBP: ffff88801df7a670 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 000000000000036d R15: ffff8880a448d000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c02364a000 CR3: 00000000a2dfb000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:680 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x64f/0xd50 net/batman-adv/network-coding.c:730 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415